november 2010 issue: 06 - indian concrete institute 2010.pdf · ici update – november 2010 02....

I am indeed happy to inform that the painstaking efforts being taken in organizing ACECON 2010 are bearing fruits. Looking at the enthusiastic response received from authors and invited keynote speakers from different parts of the world and even the sponsors, I am confident that the Third Asian Conference is going to be a memorable experience. Out of the large number of papers received, 70-plus papers have been selected for inclusion in the proceedings of the conference and quite a few amongst these will actually be presented during the three-day event. Besides, 20 keynote lectures from prominent international experts will be key

Contents

attractions. Therefore, if you have not yet registered yourself, quickly do so. For your ready reference, this issue includes the Delegate Registration Form.

I am sure that the ICI fraternity will join me in applauding the strenuous efforts made by the Organizing Committee, especially by Prof. Ravindra Gettu, Mr. Jayashankar, and Mr. K P Pradeep. The unremitting support provided by ICI Headquarters and our Chennai Center must also be mentioned. You will be happy to know that ICI Headquarters has preponed the publication of ICI Journal's special issue on ACECON.

Incidentally, I am glad to inform that satisfactory progress is being achieved in the work of the Roving National Seminars on Concrete Sustainability through Innovative Materials and Techniques to be held from

From the President’s Desk

January 10th to 14th 2011 at Bengarulu, Jaipur, Nagpur and Kolkata. While the brochures of the seminars are being circulated, we have received most of the technical papers. With the help coming from ICI centers, I am sure that the roving seminars will be highly successful.

This issue of Update includes reports on Concrete Day celebrations at different centers. Further, as we have decided earlier, the issue also includes a thought-provoking paper presented during ICI's recent seminar at Chennai.

I am looking forward to interact with you at Chennai during ACECON. I will be open to your suggestions and proposals to strengthen ICI.

Vijay R KulkarniPresident

ICI Update – November 2010 01

Issue: 06November 2010

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• From the President’s Desk 1

• News from Centres

- Concrete Day Celebrations 4

- Other News 13

• Selected Seminar Papers 16

• Student Chapters 23

• New Members 24

• Forthcoming Events 25

www.ici-acecon2010.com

ORGANISED BY:

Indian Concrete Institute

IN ASSOCIATION WITH:

Indian Institute of Technology Madras, Chennai

ASIAN CONFERENCE ON CONCRETE

ACECON 2010ACECON 2010ACECON 2010ACECON 2010

SUPPORTED BY

VENUE:

IIT-Madras,

Chennai, India

I IC

Indian Concrete Institute

DATE:

5-9, December 2010

For Full Details and Registration, Visit:

Asian Concrete Construction Institute

Asian Concrete Federation

AAAmerican Concrete Institute

CSIR - StructuralEngineering

Research Centre

Institutionof Civil

Engineers

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of India

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Acecon 2010 Registration Form

5-9, December 2010at

Indian Institute of Technology Madras, Chennai

Please register the following persons

Name: Designation:

1 __________________________________________________ ______________________________

2 __________________________________________________ ______________________________

3 __________________________________________________ ______________________________

4 __________________________________________________ ______________________________

Cheque / DD No* ___________________________ Dt ____________________for Rs.________________

(Rupees_______________________________________________________________________________

__________________________________________________________) is enclosed towards Delegate Fee

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Fax:_________________________ Mobile:____________________ Email:__________________________

Delegate Fee

wRs. 5000/ per person for ICI members wRs. 6000/ per person for non-ICI members

(Till 30th September, Rs. 7000 there after) from India and other developing countries(Till 30th September, Rs. 8000 there after)

wInternational delegates USD 400 wDiscounted fee available to ACF/ACCI/ACI

members and to students on request

For registration / nominations, please fill in the form

*Log on to www.ici-acecon2010.com for online registration and payment

*Cheque / DD should be drawn in favour of 'ICI-ACECON 2010' payable at Chennai

Indian Concrete InstituteACECON 2010


News from Centres

Uttarakhand Centre

Concrete Day : Uttarakhand Centre, Roorkee

Indian Concrete Institute, Uttarakhand Centre and Ultartech Cement Limited organised CONCRETE DAY on Oct 15, 2010 at IIT Roorkee, Prof. O P Jain Auditorium.

The function was attended by about 100 Academicians, Researchers, Engineers, Architects, Consultants, Contractors and Builders from all across Roorkee, Dehradun and Rishikesh. Prof. V K Gupta, Chairman of the Centre, welcomed the members of ICI and other delegates from construction industry.

(Dignitaries on the dias)

Er. Rahul Goel, Dr. B K Rao, Dr. U K Sharma, Dr. S K Bhattacharyya, Er. V K Gupta & Dr. A K Pandey lit the ceremonial lamp.

Prof .V K.Gupta, Chairman, ICI Uttrakhand Centre, Roorkee gave a welcome address.

Dr S K Bhattacharyya, Director CBRI was the Chief Guest for the evening, whereas Dr. B K Rao, SED CBRI made a keynote address on "Quality Control in Concrete Construction". Prof. U K Sharma, Civil Eng Dept., IIT Roorkee made a keynote address on "Behaviour of Concrete in Service".

The celebration was special as ICI-Ultratech Award for Lifetime Achievement (Uttrakhand) & Outstanding Concrete Structure was to be announced. The Jury members comprising of Dr. N M Bhandari, Ar. S Y Kulkarni, Dr. Bhupender

Singh, Dr. A K Mittal, Prof. V K Gupta, Er. Rahul Goel &decided on the name for the awardees. Prof. V K Gupta announced Er. B S Gupta as the winner for ICI-Ultratech Award for Life time achievement

Concrete Day Celebrations


(Awardees-Outstanding Concrete Structure, Lifetime achievement award)

and Lecture Theater Complex at IIT was adjudged Outstanding Concrete Structure (Uttarakhand).

Dr. S K Bhatacharyya handed over the bouquet, shawl, and citation to Dr. Akhil Upadhyay, VC Const & Works Div. IIT Roorkee and Er. B S Gupta, Ex Scientist G CRRI, Roorkee the awardee for Lifetime achievement award (Uttarakhand) 2010.

Dr. A K Pandey, Secretary - ICI Uttarakhand Centre, coordinated the function.Er. Rahul Goel thanked each and every one for their participation and co-operation thus making the event successful.

The function was followed by dinner.

Rajasthan Centre

Concrete Day : Jaipur

Concrete Day, the foundation day of Indian Concrete Institute was organised by ICI-Rajasthan State Centre and Ultratech Cement Limited on 23rd October 2010 at Hotel Rajaputana Sheraton, Jaipur.

Concrete Day function started with lighting of lamp by Sh N.K. Sharma, Secretary PWD and Chief Guest of the function, Sh Sanjay Mathur, Executive President, Ultratech Cement, Sh Kalpesh Bhatt, Keynote speaker of the function, Sh Ashok Tiwari, Vice President North, ICI & Er. S. Chauhan, Chairman ICI-RSC.

Er. S. Chauhan shared the significance of concrete day and his vision of ICI Centre for next two years and promised the members that they will see lot many activities in forthcoming months. He welcomed all members, engineers and architects for the function.

Key note speaker of the function Mr. Kalpesh Bhatt, Technical Director, BAPS Swaminarayan Sanstha, gave interesting & informative presentation on "Spiritual Project Management". He took the case study of Akshardham Temple of New Delhi and explained that by following basic principle of project management ordinary people can create extraordinary masterpiece. He said in temple construction they have not used any material which erode by environmental factors and because of that expected the life of structure to be long. They have used computer aided technology for reducing wastage of stone and succeeded to reduce wastage from 40% to 8%.

News from Centres


Chairman of ICI-RSC Er. S. Chauhan has announced the name of jury members, which was formed for selection of outstanding concrete awards.

All the jury members were felicitated by presenting bouquet by Dr Anurag Misra and shawl by Sh. Sanjay Mathur

The Chairman of jury announced the name of winner for the ICI-Ultartech Outstanding Concrete Technologist & Outstanding Concrete Structure award and winners were ICI-Ultartech Outstanding Concrete Technologist - Er. Raj Kumar Sharma - Superintending Engineer, Jaipur Development Authority, Jaipur

Er. Sharma was welcomed by Er. S. Chauhan with a basket of flowers and Shri Ashok Tiwari with a shawl. Sh. Sanjay Mathur, Executive President - Marketing, Ultratech Cement Limited gave the citation to Er. Sharma. Er. N.K. Sharma, Secretary PWD, Govt. of Rajasthan gave the trophy to Er.

Sharma. In his address Er. Sharma thanked Indian Concrete Institute and Ultratech Cement for their efforts for promoting good concrete construction practices.

ICI-Ultartech Outstanding Concrete Structure - Birla International School, NH-8, Kishengarh, Ajmer

Directors of Birla Educational Trust Sh K K Parikh & Sh J C Pandey , Structural & Project Consultant Er Vinay Gehlot and Architect of the project Ar. Atul Shah were welcomed by presenting a basket of flowers & shawl by Er. S Chauhan & Sh Ashok Tiwari. Er. N.K. Sharma & Sh. Sanjay Mathur gave the plaque to all.

News from Centres


Allahabad Centre

Concrete Day Commemorative Celebrations - 2010 was organized on 9th October, 2010 at the Hotel Milan Palace, Civil Lines by Indian Concrete Institute- UP Allahabad Centre. The event was sponsored by Jaypee Cement Ltd. On this Occasion a theme address on" Current Trends in Concrete Constructions in India" was delivered by Dr. A.K.Mullick, Former Director General, NCBM, New Delhi.

Dr. I.C.Agarwal, Director General, Dev Prayag Institute of Technical Studies, Allahabad & an eminent environmentalist and academician, speaking on the occasion as Chief Guest appreciated the efforts of ICI-UP Allahabad Centre in creating the awareness on various aspects of quality

concrete constructions. He also emphasized on the need of environment friendly construction practices.

Earlier Er. Anil. K. Pandey, Executive Director, RDSO, Lucknow & Chairman ICI-UP Allahabad Centre welcomed the Chief Guest, Key-note speaker and all the guests and delegates. He also highlighted the prospective programmes of ICI -UP Allahabad Centre in the present session.

Chief Guest of the function Er. N.K. Sharma appreciated the initiative taken by ICI-Rajasthan and Ultratech Cement for instituting these awards to encourage all the concrete engineers. He said time has come that engineers should perform and practice world class construction techniques. He showed concern for bad quality city road and requested ICI to develop economical ways of making concrete roads so that city will have better roads.

Sh. Sanjay Mathur, Executive President-Marketing welcomed the chief guest, faculty and the participants and said that infrastructures are the measure for development level of any country today. He has highlighted future plans of Ultratech cement

About 150 Engineers, Architects, Builders & Govt. Officials attended the Function. Dr. Anurag Misra proposed the vote of thanks.

Concrete Day : Allahabad

News from Centres


Prof. A.K. Tiwari . VP, Ultara Tech Cement & ICI Vice President (N), provided the overview of ICI activities and introduced the key-note speaker Dr. A.K.Mullick.

While delivering the key-note address Dr. A.K.Mullick elaborated various aspects of present age concrete constructions such as contemporary scene in concrete construction; defining high performance concrete; use of self compacting concrete; evolution of ternary cement blends; sustainable concrete constructions and green buildings. He also provided details of various state of the art construction projects in India that included Konkan Railway;Delhi Metro Rail Project and Signature Bridge New Delhi. He also presented state of improvement in various codal provisions in light of materials and performance specifications and informed that the technology is available for producing high strength concretes, (strength 75 MPa or more) and very low permeability concretes. New generation concrete such as self compacting concrete and high performance concrete were also discussed. He concluded his lecture by highlighting the need of proper detailing as well as good quality construction practices for avoiding failures.

Dr. A.L. Kundu, Director, LDC, Institute of Technical Studies Allahabad and Dr. L.K.Mishra, Associate Professor, MNNIT Allahabad & Governing Council Member ICI, participating in the discussion that followed the key note address highlighted the need for generating a awareness about quality constructions for creating sustainable & durable structures. Dr. L.K.Mishra, Associate Professor, MNNIT Allahabad & Governing Council Member ICI, Chennai said that the "Nirman Mitra Sewayen" of Jaypee Cement Ltd can play a meaningful role in mass awareness campaign.

Mr. S.K.P Gupta, Sr. GM ( Marketing ) Jaypee Cement Ltd. presented corporate profile of M/s JaiPrakash Associates Limited and provided information on various types of cements being produced by Jaypee Cement Ltd. He also thanked ICI -UP Allahabad Centre for associating Jaypee Cement Ltd in extended celebrating Concrete Day - 2010 at Allahabad and extended his greetings for future technical activities of ICI -UP Allahabad Centre.

Ar. S.B. Bhargava, Honorary Secretary ICI -UP Allahabad Centre proposed the vote of thanks.

He extended his gratitudes to the support extendedby M/s Jai Prakash Associates Limited and Er. Deepak Kumar Deputy RM -TS , Jaypee Cements Ltd and Er. Shailendra Singh, Technical Executive, Jaypee Cements Ltd.

The programme was attended by large number of architects, engineers and delegates various government departments & Institutions.

The programme was followed by a cultural programme presented by the team of eminent singer Shri Bhupendra Shukia.

(S.B.Bhargava)Honorary SecretaryICI- UP Allahabad Centre

Bhopal Centre

Concrete Day : Bhopal

The Indian Concrete Institute MP Bhopal Centre UltraTech Cement Limited organized "Concrete Day 2010" on 29th September 2010. About 300 delegates representing Technical Institutions like Maulana Azad National Institute of Technology (MANIT), Bhopal; Engineering Colleges and Polytechnics of the State; Government works departments like M.P.P.W.D., M.P. Housing Board, Bhopal Development Authority, Bhopal Municipal Corporation, etc.; Contractors and Industries took part in the function.

Hon'ble Shri Raghav Ji, Finance Minister, Government of Madhya Pradesh, Chief Guest of the function delivering his speech.

[Seated on the dais are (from left to right) Er. A.K.Jain Hon. Secretary, ICI MP Bhopal Centre; Prof. A.K. Tiwari, Vice President (North), ICI & Assistant Vice President (Technical), Grasim Industries Ltd. New Delhi, Special Guest of the function; Shri Praveen Garg, Commissioner, M.P. Housing Board, Special Guest of the function; Dr. A. K. Mullick, Former Director General, National Council for Cement and Building Materials (NCB) New Delhi, Key Note Speaker; and Dr J.S.

News from Centres


Chouhan, President, ICI MP Bhopal Centre & Professor and Head Civil Engg. Department, S.A.T.I. (Engg. College) Vidisha]

Hon'ble Finance Minister of the State, Shri Raghav ji was the chief guest, Shri Praveen Garg, Commissioner, M.P. Housing Board and Prof. A.K. Tiwari, Vice President (North), ICI & Assistant Vice President (Technical), Grasim Industries Ltd. New Delhi were the special guests of the function.

Inaugurating the seminar, Chief Guest of the function, Hon'ble Finance Minister of the State, Shri Raghav ji said, "Optimum utilization of the limited available resources must be given highest priority and to achieve this, quality considerations must be blended intimately in all developmental activities. He said that a substantial portion of the budget of the Government of M.P. goes towards infrastructural development works. In light of this fact, enhancing long-term durability and service life of structures will prove to be one of the best options to improve sustainability.

Prof. A.K. Tiwari informed the audience about various activities of ICI organized at local, national and international platform.

Shri Praveen Garg, Commissioner, M.P. Housing Board and the special guest of the function talked about the current scenario of the construction industry, importance of dissemination of information and technological developments taking place in construction industry and appreciated the efforts of the ICI and UltraTech in organizing this programme.

Earlier, welcoming the guests and participants, Dr J.S. Chouhan, President, ICI M.P. Bhopal Centre said that concrete has become a common material, being used in almost every sphere of construction.

Dr. A. K. Mullick, Former Director General, National Council for Cement and Building Materials (NCB) New Delhi, delivered a technical presentation on "Ternary Blend Concretes"

During the programme Outstanding Concrete Structure of M.P and Outstanding Concrete Technologist of M.P. Award for Year 2010 were also presented. Following concrete structures were presented by Outstanding Concrete Structure of M.P awarded 2010.

1. Green Meadows, Arera Hills. ,Bhopal

2. New OPD Block of M Y Hospital, Indore

3. Zonal Training Center for EmployeesProvident Fund Organization ,Ujjain.

4. Affordable dwelling units

Outstanding Concrete Technologist of M.P. Award for Year 2010 were presented to Dr. H.A. Vachhani, Former Director, Technical Education, M.P.

Er. A.K. Jain Secretary, ICI, MP Bhopal Centre & OSD Directorate of Technical Education, M.P. compeered the programme and Er. B.K. Joshi, Regional Head-Technical Services, UltraTech Cement, MP proposed the vote of thanks.

News from Centres


New Delhi Centre

Concrete Day : New Delhi

ICI New Delhi organized its Concrete Day Celebrations at Scope Convention Centre, New Delhi on 25th September 2010 co-inciding with a Workshop on "Design of Composite Structures". The event was sponsored by Gammon India Ltd, Overwhelming response was received from the civil

engineering fraternity (about 170 delegates). The broad high lights of the event are:-

1. The event started with the welcome & introduction of the Chief Guest Er. Sushant Baliga, ADG, CPWD, by Er K P Abraham

2. Er. Sushant Baliga delivered an opening speech

3. Er Vinay Gupta Introduced the speaker of the event Dr. Paul Jackson Gifford, UK & Er. D. Dutta, Project Director, Gammon India.

Er Sushatn Baliga presenting Concrete Technologist of the Year Award to Er Satish Vachhani,

4. Technical Presentations by Dr Jackson & Er Dutta were made

5. Presentation of Concrete Technologist of the year award to Er Satish Vachhani, Coordinating Controller Head - North, L&T

6. Mementos to the speakers, sponsor and the Chief Guest were presented

Vinay GuptaChairmanICI-New Delhi Centre

Er. K P Abraham Introducing the Chief Guest

News from Centres


Chandigarh Centre

Concrete Day : Chandigarh

ICI Annual Evening Seminar & Concrete day” was celebrated in hotel Shivalik view, Chandigarh on 20th Oct, 2010 in which top technocrats of Patiala centre attended the function.

The programme started by welcoming Chief Guest & dignitaries with bouquet.

Function started off with lamp lighting by the chief guest Sh Sudeep Singh Dhillon I.A.S. Financial Commissioner & Principal secretary to Govt of Haryana for Public Works, B&R, Architecture and Irrigation departments, Dr L R Kadiyali Senior Consultant & Expert on Concrete Pavements for Highways in India, Dr S K Kaushik Past President – ICI, Formerly Head of Civil Engineering Department – IIT Roorkee, Prof A K Tiwari Vice President – ICI North, Er Mahesh Kumar - Er-in-Chief Public Works, B&R Govt of Haryana, Dr I C Syal Senior Structural Consultant & Retired HOD PEC University Chandigarh & Dr S P Singh Chairman – ICI Punjab Patiala Centre.

Dr L R Kadiyali was the key note speaker of the evening who gave presentation on ‘Sustainable Options for Pavements highlighting the benefits of Concrete Pavements. Dr L R Kadiyali has pioneered the cause for the introduction of cement concrete roads in India since 1985. Dr L R Kadiyali has made a significant impact on Indian concrete pavement technology through his technical society

activities, numerous publications. He also emphasized on cost-effectiveness of concrete pavements & long-term performance of concrete pavements.

Dr. S P Singh Chairman ICI-Punjab Patiala Centre introduced the concept of awards & process of finalising the various awards. Prof Roshan lal (Treasurer ICI – Punjab Patiala Centre) introduced the Technical jury to the audience & each member was honoured with bouquet & shawls. Dr S K Kaushik, Chairman of Technical Jury announced the award of “Outstanding Concrete Technologist” of the year 2010 for ICI -Patiala Centre by reading citation of Dr S S Rehsi. Dr S S Rehsi has over 33 years of experience of carrying out R&D works at CBRI Roorkee on problems relating to the production and use of various types of cements, concretes, precast concrete products & allied building materials including use of industrial wastes, such as Fly Ash, blast furnance slag, lime sludge etc.

Sh S S Dhillon (I.A.S) Chief Guest presenting “Outstanding Concrete Technologist” award to Dr S S Rehsi in the photographs. Five “Outstanding Concrete Structure” awards were announced by Dr S K Kaushik apart from as given under :

1. Residential Township of Rajiv Gandhi Thermal Power Plant, Khedar, Hisar, Haryana

2. Computer Centre & IT Park, NIT Jalandhar,Punjab

3. Boy’s Hostel, Thapar University, Patiala

News from Centres


4. Forest Office Complex, sector-68, Mohali,Punjab

5. Deen Bandhu Sir Chhotu Ram Memorialsampark Parisar, Garhi Sampla, Distt – Rohatak, Haryana

Apart from this One special “Encouragement Award” was given to Architect Ranjit Singh of Rajpura for doing extra ordinary work in rurals for economical construction work & innovations adopted.

Chief guest Sh S S Dhillon in his presidential speech addressed the gathering by thanking ICI & UltraTech Cement for organising such a nice event. He appreciated the benefits shown by L R Kadiyali in his presentation & urged to all present technocrats to adopt the concrete pavement technologies for the betterment & durable roads.

Dr S P Singh honoured Chief Guest & Key note speaker for being present on the concrete day by giving them memento.

Approximately 250 technocrats attended & appreciated the concrete day celebrations.

News from Centres


Bhopal Centre

A National Conference on Sustainable & Durable option of Pavements- Quality Control for Construction of Roads was organized by Civil Engineering Technological Development Centre, Samrat Ashok Technological Institute, Vidisha in association with Indian Concrete institute, M.P. Bhopal centre; Cement Manufacturers Association, New Delhi; UltraTech Cement Limited New Delhi and supported by MPRRDA, Bhopal; CRRI, New Delhi and IIHRD, Vidisha on 22nd October, 2010 at Hotel Lake View Ashok, Bhopal.

Er. Sanjay Dubey IAS, Chief Executive Officer, M.P.R.R.D.A., was the Chief Guest and Shri Vivek Aggarwal IAS, Secretary, P.W.D. and Managing Director, M.P.R.D.C. Bhopal was the guest of honor of the function. Dr. G. Gangopadhyay, Director, C.R.R.I. Delhi was the president and Dr. Omkar Dikshit, Head, Civil Engg. Deptt. IIT, Kanpur & Shri A.K. Jain, Technical Advisor UltraTech Cement Ltd, Mumbai was the special guest in the conference.

Along with the dignitaries present Engineers from CRRI, New Delhi, Shri Vinod Singh, Scientist CRRI, New-Delhi and Shri M.C. Venkatesh, Consultant Kadiyali Associates, New Delhi presented their views about the necessity of ensuring quality in construction of roads, common mistakes committed at various stages by different stake holders, and their effects and precautions to be observed during constructions. Various case

studies were also presented explaining different defects observed in already constructed roads, their probable causes and remedies.

About 125 participants ranging from engineers of M.P.R.R.D.A Bhopal, M.P.R.D.C Bhopal, B.M.C Bhopal, M.P.Housing Board etc. academicians from MANIT, UIT RGPV Bhopal, S.V.P.C. Bhopal, LNCT Bhopal, Bansal College of Technology, RKDF college of Technology etc and practicing engineers attended the conference.

A comprehencive presentation on White Topping Technology was presented by Shri A.K.Jain.

Dr. J.S. Chauhan, Chairman, ICI, MP Bhopal Centre & Secretary, CETDEC, SATI, Vidisha welcomed the guests, Er A.K.Jain, Secretary, M.P. Bhopal Centre proposed vote of Thanks & Er. Mithilesh Kumar, UltraTtech Cement Ltd. Bhopal conducted the programme.

National Conference on Pavement at Vidisha

New Delhi Centre

Workshop on Design of Composite Structures

ICI New Delhi organized a Workshop on "Design of Composite Structures" at Scope Convention Centre, New Delhi. Overwhelming response was received from the civil engineering fraternity (about 150 delegates). The broad high lights of the event are:-

1. The event started with the welcome & introduction of the Chief Guest Dr D G Kadkade, Chief Advisor, Jaypee Group, Noida by Er K P Abraham

Dr Paul Jackson during his Presentation

News from Centres

Other News


2. Er Vinay Gupta Introduced the speaker of the event Dr. Paul Jackson, Technical Director, Gifford UK.

3. Er. Paul Jackson gave a very comprehensive Lecture cum Presentation on "Design of Composite Structures". He brought out several new issues. The participants enriched their knowledge. These were followed by about 45 minutes of floor interaction.

Dignitaries in discussion A view of the audience

Dr D G Kadkade During his Opening Speech

4. Mementos to the speakers and, sponsor and the Chief Guest were presented

5. The event was followed by ICI-Concrete Day Celebrations in the evening.

6. Dr Kadkade delivered the opening speech

Vinay GuptaChairman ICI-New Delhi Centre

News from Centres


Thiruvananthapuram Centre

ICI-Kerala-Thiruvananthapuram CentreNew Office Bearers

1. The following members have been elected as Executive Committee Office Bearers of Indian Concrete Institute - Kerala, Thiruvananthapuram Centre during the Revival Meeting held on 29.10.2010 at Trivandrum in the presence of Mr. K. Jayasankar, Chairman, ICI- Tamil Nadu- Chennai Centre & Mr. R. Radha Krishnan, Secretary General:

i. Mr. K. Gangadharan - Chairman

ii. Mr. Velapgy Madhu Mohan - Secretary &Treasurer

iii. Mr. K.G.K Moorthy - Executive Committee Member

iv. Dr. E.K. Kunhanandan Nambiar- Executive Committee Member

v. Mr. Ibrahim. C. - Executive Committee Member

vi. Mr. R. Murukesan - Executive Committee Member

vii. Mr. Krishnakumar. S. - Executive CommitteeMember

viii. Mrs. Jayasree. S. - Executive CommitteeMember

2. 10 Engineers (ICI-Members) have attended the Meeting.

3. The ICI-Kerala Thiruvananthapuram Centre office will function, temporarily at the following address till such time a permanent Office is established:

WILLWAYS, JNWA-H1/1, H-Street, Jawahar Nagar, Kowdiar - P.O., Thiruvananthapuram - 695 003

4. Next ICI Member Meeting is scheduled on 27/11/2010.

5. New Membership drive had been mooted & targeted for doubling the present numbers before the next meeting.

6. The ICI Meeting was followed by a Technical Presentation on "The Next Generation Concretes", by Dr. Ramachandra-Zonal Head (Technical)-Ultratech Cements Ltd., Bangalore.

News from Centres


Selected Seminar Papers

Development of a Methodology for the Selection of a Compatible Cement-Superplasticizer Combination

1 2C. Jayasree and Ravindra Gettu

1 Department of Civil Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India.

2 Department of Civil Engineering, Indian Institute of Technology Madras, India. ([email protected])

This paper was originally presented during the One-Day seminar on Cement-Admixture Compatibility jointly organized by ICI TN-Chennai Center and IIT, Madras on 9th April 2010 . The paper is included here for wider dissemination.

Abstract

High performance concretes are obtained with the incorporation of superplasticizers, making them an integral part of modern concrete. However, the physico-chemical interactions of the superplasticizers with the hydrating cement phases needs to be well understood to take advantage of the benefits of incorporating a superplasticizer. It is, therefore, essential to select an appropriate type of admixture at optimum dosage to achieve the desired properties and to avoid incompatibility. The objective of this paper is to develop a methodology for the selection of a compatible cement-superplasticizer combination based on the study of the characteristics of superplasticized paste and flow behavior of concrete. The influence of type and dosages of superplasticizers on the fluidity of cement paste were evaluated and tests were done on concrete to correlate the cement paste flow behaviour with that of concrete. Finally, an attempt is made to provide guidelines to check the compatibility based on the test results.

Introduction

The performance of an admixture in concrete is dependent on many factors, like the nature and amount of admixture, nature of cement and aggregates, water-cement ratio and environmental conditions. In addition, some problems in the fresh and hardened state could arise as a result of the incompatibility between cement and water reducers. Therefore, the understanding of the effects of superplasticizers on the properties of concrete is essential for further improvement of the properties and behaviour of both the superplasticizer and concrete. Furthermore, the flow properties of concrete are related to the rheology of paste, which is generally studied through viscometer tests (Ferraris and Gaidis, 1992; Toralles-Carbonari et al., 1996; Roncero et al., 2000; Lachemi et al., 2007; Jayasree and Gettu, 2008). However, the results obtained from the paste tests need to be correlated to the behaviour of concrete. So, in the present paper, emphasis is also given to the study based on tests performed on concretes, in order to analyze the relations between their responses and those of their paste phases.

The methodology for the determination of the saturation dosage of superplasticizer through the Marsh cone test for different combinations is also presented. In addition, test results from the Marsh cone and mini-slump tests are compared with rheological characteristics determined using a viscometer. Finally, an attempt is made to provide guidelines to select compatible combinations of cement and superplasticizer.


Experimental Details

Tests on Paste and Concrete

Ordinary portland cements (conforming to OPC 53 grade) and superplasticizers from four families were used in the study. The Marsh cone, mini-slump and viscometer tests has been used to evaluate the relative fluidity and the saturation superplasticizer dosage in cement pastes and mortars (Agullo et al., 1999; Nguyen et al., 2006). In order to correlate the results obtained from paste tests with the behaviour of concrete, slump tests were conducted on concrete with four superplasticizers used in the paste studies.

Correlation of Marsh Cone and Mini-Slump Data with the Rheology

In order to validate the use of Marsh cone and mini-slump test for understanding the flow behaviour of the paste, the relationships between the results from empirical tests (i.e., the Marsh cone and mini-slump tests) and the rheological parameters of the superplasticized pastes are plotted in Figure 1. It can be seen that the Marsh cone flow time increases as the yield stress and plastic viscosity increase. More importantly, the variation of the Marsh cone flow time with the superplasticizer dosage has the same trend as those exhibited by the yield stress and plastic viscosity, as illustrated in the typical plots of Figure1 (shown for SMF-C1).

It can be seen that all three parameters decrease with an increase in superplasticizer dosage until the saturation dosage and remain practically constant after that. Figure 1 also shows the trend of the mini-slump spread, where it is seen that the spread increases with the superplasticizer dosage until the saturation dosage, after which it is practically constant. These trends can be generalized to all the paste systems studied in this work, and are in agreement with the results of previous works (Gettu et al., 1997; Roncero, 2000; Schwartzentruber et al., 2006).


0 0.2 0.4 0.6 0.8 1sp/c%

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Figure 1 Comparison of data from different tests


Correlation between the Fluidity of Paste and Concrete

The results from the Marsh cone tests of pastes are plotted along with the slump values of concrete as a function of the superplasticizer dosage (for PCE-D1) in Figure 2.


0.0 0.1 0.2 0.3 0.4 0.5 0.6

1.05

1.10

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1.25 PCE-D1 Paste flow time

Concrete slum p

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wti

me

,se

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60

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)

Figure 2 Correlation between the flow behaviour of paste and concrete for PCE-D1

The test results of concrete with PCE-D1 show that the saturation dosages yield satisfactory workability in the concrete. However, a slightly higher dosage provides higher workability. This can be attributed to the adsorption of part of the superplasticizer by the fines in the coarse aggregate. Consequently, the amount of superplasticizer available in the cement paste decreases and maximum dispersion of cement particles is not achieved in the concrete at the same dosage as in the paste tests. Therefore, further addition of superplasticizer is required for high slump in the concrete. Nevertheless, the saturation dosage obtained from paste studies can be used as a guideline for determining the dosage for concrete, especially when the aggregates do not have high fines content (Roncero et al., 2000; Hidalgo et al., 2008).

Influence of Chemical Composition of the Cement

The chemical composition of cement also plays an important role in the cement-superplasticizer interaction and the incompatibilities that can arise. Table 1 gives a comparison of the saturation dosages for the two cements obtained from Marsh cone flow curves at 0 minutes. It is observed that the saturation dosages of the LS, SMF and PCE based superplasticizers are generally higher for the cement C2, mainly because it has comparatively higher fineness and hence the amount of superplasticizer needed is higher, which is in accordance with previous results (Erdogdu, 2000). Also, it is a low alkali cement and therefore expected to adsorb more superplasticizer (Dodson and Hayden, 1989).


Influence of Superplasticizer on Other Properties of Concrete

The comparison of initial setting time (IST) and final setting time (FST) of paste and concrete with different superplasticizers and cement C1 is given in Table 2. The setting time is affected by both the chemical composition of cement and the type of superplasticizer. The cost varies with type and saturation dosage of the superplasticizer as seen in Table 2.

Selected Seminar PapersTable 1 Comparison of the saturation dosages at 0-minutes for different cements

Type of superplasticizer

Saturation dosages %

C1 C2

LS-C1 0.25 0.40 SNF-S1 0.20 0.25 SNF-D1 0.24 *

SNF-D2 0.23 0.3 SNF-C1 0.16 *

SNF-C2 * * SMF-S1 0.23 0.4

SMF-C1 0.20 * PCE-S1 0.2 *

PCE-D1 0.07 0.2

Table 2 Summary of setting time and cost with cement C1

Type of sp Setting time-paste Setting time-concrete Cost of materials for concrete/ m3 IST FST IST FST

SNF-S1 9.5 11.9 7.9 9.6 2540

SNF-D2 16.3 18.7 8.2 10.5 2570

SMF-S1 6.6 8.3 6.7 8.8 2690

PCE-D1 10.5 14 8.0 9.9 2620

Identification of Compatible Cement-Superplasticizer Combinations

The compatibility between the cement and superplasticizer depends on several mechanisms and interactions. All of these mechanisms are complex and can be interrelated. Also, a single test is not sufficient to determine a compatible cement-superplasticizer combination. Consequently, a simple methodology that combines different test procedures is proposed to select compatible combinations (Jayasree, 2008).

A flow chart representing the methodology for the selection of an appropriate cement-superplasticizer combination based on the tests is shown in Figure 3. The entire methodology is divided into two steps; the method of selection of a compatible combination of cement and superplasticizer from the paste characteristics is described in Step 1. Step 2 describes the methodology for the final selection of cement-superplasticizer combination based on workability, strength and cost by conducting trial tests on concrete.


Selected Seminar PapersThe first criterion in the study of paste characteristics (Step 1) is based on the flow behaviour of the superplasticized paste and concrete. The determination of saturation dosage of the superplasticizer from Marsh cone test and the validation of the empirical tests as well as paste tests are the salient points. The setting behaviour of paste and concrete is considered as the second criterion in the selection of the compatible combinations. Final tests are done on concrete, within this selection procedure (Step 2), to complement the paste tests and, more importantly, to ensure a mix with the required slump. The final choice of the superplasticizer can be based on the minimum cost considering the dosage of the superplasticizer for obtaining the desired slump among the compatible combinations.

• Is there a well-defined saturation point? • Is the saturation dosage within the manufacturer's recommended limit?

Determination of saturation dosage of superplasticizer using Marsh cone test, at the required age.

Determine the final setting time (FST) using Vicat test at saturation dosage

FST < 16

hours

Mix for concrete with saturation dosage of the superplasticizer

Check for the required slump. If slump is higher than required, decrease the dosage. If slump is lower than required, increase the dosage up to a maximum of 150% of the saturation dosage; if the required slump is still not obtained, reject the superplasticizer.

Determine the compressive strength at 3 days. Reject if the strength is less than 50% of the target 28 day strength.

• Determine the cost of the superplasticizer per m3 of the concrete • Select the superplasticizer with the minimum cost for the dosage required for the desired slump

Figure 3 Methodology to Select Compatible Cement-Superplasticizer Combinations

• Determine density, pH and solid content of superplasticizer, and compare with previous data and manufacturer's specifications. If there is disagreement, check with another batch.• Determine the consistency and setting time of cement and compare with previous data and manufacturer's specifications. If there is disagreement, check with another batch.• In case of anomalies, reject corresponding batch.

Mixing of the paste with Hobart mixer or similar

Yes

No

Incompatible combination

Compatible combination

No

Step 1

Step 2


Selected Seminar PapersConclusion

The yield stress, plastic viscosity and flow time show the same trend with change in dosage of superplasticizer. This suggests that Marsh cone test, even though it is a single point test, is sufficient in ranking different superplasticizers in terms of effectiveness. The saturation dosage determined from the paste study gives workable slump in a typical concrete mix. Even though a dosage slightly higher than saturation is required for a high workability, the paste tests can be used for the selection of type and dosage of superplasticizer, avoiding a large number of trials on concrete. Finally, it is suggested that a methodology based on the flow and setting behaviours of pastes be used to identify the compatible cement-superplasticizer combinations.

Acknowledgements

Partial funding for this work was provided by the DST sponsored research project SR/S3/MERC/29/2006 and the IIT Madras grant CIE/04-05/122/NFSC/RAVG. The author wish to acknowledge the chemical admixture companies, BASF Construction Chemicals, Sika and Cera-Chem for giving the product information and supplying the admixtures for the study.

References

1. Ferraris, C.F. and J.M Gaidis (1992) Connection between the rheology of concrete and rheology of cement paste. ACI Materials Journal, 88, 388- 393.

2. Toralles-Carbonari B., R. Gettu, L. Agullo, A. Aguado, and V.A. Acena (1996) A Synthetic approach for the experimental optimization of high strength concrete. pp. 161-168. F. de Larrard and R. Lacroix (eds) Proceedings of fourth International Symposium on Utilization of High Strength/ High Performance Concrete, Paris, 1996.

3. Roncero, J. (2000) Effect of superplasticizers on the behaviour of concrete in the fresh and hardened states: Implications for high performance concretes, Doctoral thesis, Universitat Politecnica de Catalunya, Barcelona, Spain.

4. Lachemi, M., K.M.A. Hossain, R. Patel, M. Shehata, and N. Bouzoubaa (2007) Influence of paste/mortar rheology on the flow characteristics of high volume fly ash self consolidating concrete. Magazine of Concrete Research, 59, 517- 528.

5. Jayasree, C., and Gettu, R (2008) Experimental Study of the Flow Behaviour of Superplasticized Cement Paste. Materials and Structures, RILEM, 41, 1581-1593.

6. Agullo, L., B.T. Carbonari, R. Gettu, and A. Aguado (1999) Fluidity of cement pastes with mineral admixtures and superplasticizer - a study based on the Marsh cone test. Materials and Structures, 32, 479-485.

7. Nguyen, V.H., S. Remond, J.L. Gallias, J.P. Bigas, and P. Muller (2006) Flow of Herschel- Bulkley fluids through the Marsh cone, Journal of Non Newtonian Fluid mechanics, 139, 128- 134.

8. Gettu, R., A. Aguado, L. Agullo, B. Toralles-Carbonari, and J. Roncero, Characterization of cement pastes with silica fume and superplasticizer as components of high performance concretes. pp. 331-344. P.K Mehta (ed) Mario Collepardi Symposium on Advances in Concrete Science and Technology, 1997.

9. Schwartzentruber, L.D., R. Roy, and J. Cordin (2006) Rheological behaviour of fresh cement pasts formulated from a self compacting concrete (SCC). Cement and Concrete Research, 36, 1203-1213.



10. Hidalgo, J., C.T. Chen, and L.J. Struble (2008) Correlation between paste and concrete flow behaviour, ACI Materials Journal, 105, 281-288.

11. Erdogdu, S. (2000) Compatibility of superplastcizers with cements different in composition. Cement and Concrete Research, 30, 767-773.

12. Dodson, V.H. and T.D. Hayden (1989) Another look at the Portland cement /chemical admixture incompatibility problem. Cement Concrete and Aggregates, 11, 52-56.

13. Jayasree, C. (2008) Study of cement superplasticizer interaction and its implications for concrete performance. Doctoral Thesis, Indian Institute of Technology Madras.


Student Chapters

Adhiparasakthi Engineering CollegeReport on APNACS - 2010

The ICI student chapter of the department of civil Engineering in Adhiparasakthi Engineering College, Melmaruvathur organized a National Level Technical Symposium (APNACS 2010). It was inaugurated by Dr.S.Vincent, Member secretary, Tamilnadu state council for Science & Technology, in the presence of Thiru.G.B.Senthil Kumar, Correspondent. In his Inaugural address, the chief guest mentioned that civil engineers are highly sought after in this country especially at a time when lots of infrastructural developments are taking place. He added that the country needs 70 thousand civil engineers in a year, whereas only 10,000 civil engineers are graduating in. He also advised the students to devote much of their time in developing their talents.

On this occasion, a souvenir containing the full papers of the participants was released by Dr.Vincent and the same was received by the Principal Dr.S.Jayashri. A CD containing the video film titled "A saga of the Department of Civil Engineering, APEC" caricaturing the achievements of both mentors and the students were also released by Sakthi. Thiru. G.B.Senthil Kumar, Correspondent, and he also launched the exclusive Web Site of the department.

The students from 25 colleges across the Tamilnadu participated in the symposium and presented 18 papers in two sessions. The three best papers in each session were selected for prizes by duly constituted judges from Annamalai University, Vellore Institute of Technology, K.S.R.Engineering College and University College of Engineering, Tindivanam. Besides paper presentations,

CADD contest was also held. In this competition also 2 best competitors were selected for awarding the prizes.

Valedictory address of the symposium was delivered by Mr.K.Jeyasankar, Chairman, ICI-TNCC & General Manager (Technical Services), Ultratech Cement Ltd. He spoke on the significance of civil engineering programme in the context of the contemporary society and wished the students all the best in their future endeavour. The chief guest also distributed prizes & certificates to the successful participants along with Vice - Principal Prof.R. Senthil.

The Welcome address for the valedictory function was delivered by Ms.C.Rajasakthi, Student Councilor, ICI student chapter, APEC. The Symposium concluded with a vote of thanks by the student secretary Mr.K.Sundeepak Kumar, ICI student chapter, APEC.


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Forthcoming Events

Bengaluru Centre

Indian Concrete Institute, Karnataka - Bengaluru Center INVITES you to participate at their forthcoming CONCRETE PANORAMA & DEMINAR 2011, which is scheduled during 10 - 12 January 2011, KTPO, Bangalore, INDIA.

Concrete Panorama & Deminar 2011 series will now become the benchmark event in Asia and the first of its kind in INDIA and the event will provide the ideal platform for companies to showcase the latest trends/products in today's Concrete Industry and much more.

DEMINAR 2011, An International Technical Conference cum demonstration will be held

concurrent to the Exhibition. The DEMINAR will host around 500 delegates and about 24 high quality commercial & technical papers including speakers from overseas.

More than 80 + high profile exhibitors across the country and over 5000+ industry visitors are expected at CPD 2011 Exhibition, which will bring together the CONCRETE INDUSTRY & the end-users at large under one roof to provide a comprehensive insight of technology, products and market.

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