geo structure

8/12/2019 Geo Structure

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Forerunne

in dept


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L&T Construcon is the

construcon arm of Larsen &

Toubro for over six decades and

has been building landmark

projects in India and abroad.

The hallmark of its connuing

success is L&Ts ability to

execute complex projects of

large magnitude within the

spulated me and cost, as

per internaonal standards of

quality and safety.

L&T GeoStructurL&T GeoStructure, formerly

as Foundaon and Geote

Engineering Cell, is a part

USD 11.7 billion Larsen & T

conglomerate. With over

decades of experience, it ha

experse in all kinds of geote

and underground works,

specialist sta and state-of-

equipment from best of s

around the globe.

Larsen & ToubroLarsen & Toubro is Indias largest technology, engine

and manufacturing company - reputed for its engagem

sectors, its ability to respond posively to challengin

its excellent value system.

L&T has an internaonal presence, with a manufac

eight countries, a wide network of oces and collabo

majors. Today, the company sets engineering bench

scale and complexity. For over seven decades, L&T

landmark assets for many of its customers and has bee

Best Managed and Most Respected Company. L&T

pre-eminent infrastructure major oen referred to

naons.

L&Ts cuer working at Parbahydroelectric power project for 46m deepdam cut-o wall against tough groundcondions in the Himalayas

Cut-o wall for dam at 520 MW Parba HEP-Stage Himachal Pradesh

L&T Construcon

Your reliable partner in

creang value to your project

Specialist contractor with capability :

to execute all range of works

in a mely manner

with quality & safety

As a breakthrough soluon provider :

through Design & Build model

with vast and speedy internaonal networking for

latest trends and technologies


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Geotechnical exploraon involves a wide range of

acvies such as drilling, sampling, eld-tesng,

laboratory tesng and reporng.

Our state-of-the-art methods and techniques are

aimed at thoroughly understanding and determining

the properes of soils and rocks, enabling design of

right type of foundaons and geotechnical soluons.

Drilling with hydraulic rotary / wireline system

Sophiscated equipment and advanced drilling techniques enable us to explor

800m. Connuous coring is also our forte. Geotechnical and geological para

studies for very sensive projects such as nuclear reactors and underground LPG s

caverns were executed by wireline drilling upto 175 m.

Piezocone penetrometer

L&T GeoStructure has high-capacity penetrometer of 20 t which is capable of mea

important in-situ parameters with least disturbance.

PressuremeterL&T GeoStructure has high-capacity pressuremeter of 200 bar which can m

moduli of soil and rocks as well. Pressure tests upto a depth of 100 m were d

Kalpakkam Atomic Power Project, Chennai.

Geophysical methods

Geophysical tests such as electrical resisvity, seismic surveys, cross-hole s

method were done in many projects.

GeotechnicalInvestigation

Geotechnical lab atL&T Chennai

Pressuremeter test

Geotechnical invesgaon equipment and accessories

Piezocone penetrometer

Rock drilling for SALPG caVisakhapatnam, Andhra Pr


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The design requirement is met by a dedicated and

specialised design team comprising a unique blend

of technical experse with extensive praccal and

on-site experience. The team oers end-to-end

soluons such as feasibility studies, conceptual

designs, comprehensive recommendaons, detail

engineering and economic alternaves pertaining

to foundaon for various projects such as buildings

and factories, road and rail network, ports, bridges,

power plants, hydropower, petrochemicals, etc.

The team has the capability to oer unique,

technically sound and opmised soluons involving

soil-structure interacon using in-house soware

and special numerical soware.

Design & Engineering

The exclusive design team of L&T

GeoStructure based at Chennai oers tailor-

made cost-eecve proposals to the client

based on project requirement. The team is

also equipped with latest technologies to

provide alternate soluons for complicated

ground condion and structure. In addion,

the execuon team of L&T GeoStructure

supports the projects site team to solve

technical issues arising during construcon.

Fields of experse

Geotechnical assessment and report

Analysis and design of on-shore,

near-shore and o-shore

foundaons

Excavaon systems

Ground improvement works

Slope stability analysis

Retaining structures

Liquefacon analysis

Alternate wall scheme for cooling water pump house using T-type diaphragm wall

Opmised foun

ra interacon

PLAXI

TALRE

WALL

LPILE

MOD

GEO5

GRLW

STAAD

AutoC

Versale

Soware


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DeepFoundation

Bored cast-in-situ piles Having a large eet of high capacity drilling rigs

covering a drilling spectrum of 0.5m to 3.0m

Reaching depths upto 80 m using L&T GeoStructuresdrilling monsters - BG 36, BG 40, SR 100, C 600

Drilling through rocks to achieve ulmate pile

capacies of upto 1500 t

First to introduce use of environment-friendlypolymer in place of bentonite as drilling uid,

enabling higher quality drilling

Execung 10 lakh RM per annum with medium rangehydraulic rotary piling rigs, such as HR 180, BG 25, SR

70 and C 300

Track record of havig installed 21000 (about 4 lakhRM) bored cast-in-situ piles in a span of 15 months

at IISCO - Burnpur, West Bengal

Piling through slag lls using hydraulic rotary drillingrigs - a unique innovaon that signicantly enhanced

producvity in Tata Steel project at Jamshedpur,

Jharkhand

Conguous piling works -TC 3 building, L&T Chennai

Elevated corridor for Delhi Metro Rail Corporaon

ckeed piling -i Metro Rail Limited


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DeepFoundation

Driven piles

Created an Asian record by driving 517precast driven piles in a single day for Reliance

Industries Limited at Hazira, Gujarat

Driven 10 lakh RM of 50 m long precast pilesfor Reliance Industries Limited at Kakinada,

Andhra Pradesh

Employed Sure-Lock splice joint system toenable reliable, fast and deep precast pile

driving in many projects

First to introduce integrated driven precastand cast-in-situ piling equipment in India. L&T

owns the largest number of integrated driven

piling rigs in India which are capable of driving

600 RM per day per rig to high quality and

safety standards

HITACHI GLS

KH230

en cast-in-situ piling atHazira, Gujarat

R

Driven precast raker piling atRIL Kakinada, Andhra Pradesh


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SpecialPiles

L&T GeoStructures high capacitare capable of drilling large piles

80 m depth using BG 40, SR 100

Know-how for design and installasocketed piles with ulmate pile

Installed high quantum of larg

situ and driven piling for watestructures

Experse to install mono pileauger piles and displacement pil

Installed 308 nos. of 50 m loprestressed, precast hollow conc

Adani Port under severe open se

Bored cast-in-situ marine piling atKaupalli shipyard, Chennai

Shipli at Kaupalli shipyard, Chennai

Ethylene Storage Terminal at Chemplast plant,Karaikal, Tamilnadu

Marine piling atKaupalli shipyard, Chennai

Connuous ight augerpiling at Rajpura ThermalPower Plant, Punjab


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EmbeddedRetainingStructures

Diaphragm wall

First to introduce trench cuer equipment in India for underground

staons involving rock sockeed permanent diaphragm wall for

Delhi Metro Rail

Employed over-cung joint technology for the rst me in India for

40 m deep diaphragm wall installed for a sha at Delhi Metro RailSecant pile / Conguous pile wall

Installed Indias rst secant pile wall for Delhi Metro Rail project at

Hauz Khas

Successfully installed conguous pile wall for challenging projects such

as airports and high-rise buildings

Retaining soluons for deep excavaon and controlling

underground seepages with state-of-the-art drilling and

trenching equipment

Cut-o wall

Successfully executed Indias deepest 45m plasc concrete cut-o wall to arrest dam se

Himalayan terrain at Parba hydroelectric power project.

Capability to achieve upto 120 m depth of 1.5 m thick diaphragm/cut-o walls using tre

Sheet pile

L&T GeoStructure owns modern equipment in large numbers for installing sheet pile wa

Over 10,000 sq.m of sheet piling done for Dhamra Port project using Movax side grip vib

the rst me in India

Diaphragm wall works atDelhi Metro Rail Corporaon

Diaphragm wChennai Met

Bentonite desanding plantfor diaphragm wall works

Conguous piles and ground anchoring worksat TC-III building, L&T Chennai


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GroundImprovementTechniques

L&T GeoStructures quest to create value for project

various ground improvement soluons as alternave

deep foundaons

Installed 8000 nos of sand columns to increase the

of an underlying y ash ll for Delhi Vidyut Board

First in India to explore improvement of slag lls

such as vibro compacon, vibro replacement etc.

Engineered ground improvement method us

vercal drain involving installaon of 15 lakh RM

project in Odisha

Employed vibro-compacon techniques using

hammers to improve loose sandy deposit

Capability of installing micro piles for projects

headroom

Ground anchors for tower tesng staon

Ground improvement works using pre-fabricated

vercal drains at Dhamra Port, OdishaGround improvement work using pre-fabricated vercal drains and drivenpre-cast concrete piles for stacker reclaimer at Dhamra Port, Odisha

Deep soil mixing works - soil cement column


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AdvancedFoundationTesting

Stac load test

Wide experience in carrying out all types of stac load tests like kentled

and rock anchoring method upto 1500 t

Low strain pile integrity test

Experience of having carried out over 15,000 tests

High strain dynamic load test

L&T GeoStructure holds a track record of carrying out tests on more tha

including driven precast piles to monitor instant pile capacity in the eld

Cross hole sonic logging

Successfully generated pile prole along the depth for Chemplast at Karai

Instrumented pile load test

Opmised pile length at Tata Steel projects

at Kalinganagar, Odisha and Reliance

project at Kakinada, Andhra Pradesh

Plate load test

Experience of having explored over

100 sites for soil and rock

Stac pile load test usingrock anchor system at

Chennai Metro Rail Limited

ac pile load test at Rajpura thermalower project, Punjab

Arrangement tesng at Tata S

Pile integrity tesng


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L&Ts strong technology focus leverages its

the cost which is in turn helpful to custom

value for money. L&Ts superior project exec

ably supported by a talent pool of experts i

engineering works.

At L&T, EHS (Environment, Health, Safety) is giv

Utmost care is taken to ensure safety of emp

the assets. Our corporate management has

that emphasise on EHS through structure

procedures at every stage of construcon.

ResourcesSheet piling at Dhamra Port,

Odishaen pre-cast concrete pilingIL Kakinada, Andhra Pradesh

Cut-oPun

phragm wall worksChennai Metro Railted

Diaphragm wall works for Delhi Metro Rail Limited


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Type of Equipment

Rotary piling rig

Driven precast piling rig

Driven cast-in-situ piling rig

Sh eet pi lin g equip. (v ibro-hammer

Diaphragm wall grab

Diaphragm wall trench cuer

Soil invesgaon rig

Crane

Anchor drilling rig

L&T GeoStructures eet of foundaon equipment

Plant &Machinery


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North

601, VI Floor, SSR Corporate Park,

Sector 27B, 13/6 Delhi Mathura Road,Near NHPC Chowk,

Faridabad - 121 003, Haryana

Tel No : 0129 - 4181402

East

IV Floor, Kanak Building,41 Chowringhee Road,Kolkata - 700 071Tel No : 033 - 44019934

West

Landmark - B, Ground FloorSuren Road, o Andheri-Kurla Road,Andheri (East)Mumbai - 400 093

Tel No : 022 - 61817507

Mount Poonamallee Road, Manapakkam Chennai - 600 089, INDIA

Tel: +91-44-2270 4306 / 4313 Fax: +91-44-2270 4343 e-mail : [email protected]

Website: www.Lntecc.com

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