advanced protection for concrete asonry ...growth crystals- meets or exceeds…. •astm c666...
TRANSCRIPT
ADVANCED PROTECTION FOR CONCRETE & MASONRY
USING
UNIQUE CRYSTALLIZATION
MARK W. CHEWVICE PRESIDENT US / CANADAICC DISTRIBUTION GROUP LLC
SPECIAL THANKS TO:Professor Denis A. Chamberlain, Brunel University London
Mujib Rahman, Brunel University London
IRMCA 2017 ANNUAL CONVENTION
WATER & MOISTURE RELATED ISSUES IN
CONCRETE SUBSTRATES
POROSITY OF CONCRETEAllows Moisture To Travel Freely Inside ConcreteIncreases Absorption Of Contaminating Materials
MOISTURE CAUSES CONCRETE DETERIORATION & FAILURE
Increases The Absorption Of Chlorides From De-Icing MaterialsDissolves & Activates Free Alkali Materials That Attack The Concrete
MatrixAccelerates The Absorption Of Steel Breaks The Concrete Matrix Due To Freezing &ThawingReduces Adhesion Of Coating MaterialsAccelerates Calcium Oxychloride Growth In Concrete
REACHING 85% SATURATION
WATER & MOISTURE RELATED ISSUES IN
CONCRETE SUBSTRATES
CONCRETE SCALING SHRINKAGE CRACKS OR CRAZING
WATER & MOISTURE RELATED ISSUES IN
CONCRETE SUBSTRATES
SILANE & SILOXANE TREATMENTSMoisture intolerant at application time.Achievable dosage drastically reduced in the prescience of small
internal moisture contentLittle resistance to chloride penetration after application on damp
substrate.
CRYSTALLISATION TREATMENTMoisture tolerant at application time.Accepts and works with moisture in the concrete substrate.Uses substrate moisture to form protective crystalsResistant to chloride penetration not disadvantaged by concrete
moisture.
STANDARD “VS” CRYSTAL TECHNOLOGY WHEN MOISTURE IS
PRESENT
PROVEN TECHNOLOGY
• UNIQUE MATERIAL
• HYDROPHILIC
AND HYGROSCOPIC
PROPERTIES
Duel hydrophobic crystallisation have crack filling
characteristics
X 40 Magnification
Early Thermal Cracking (ETC): Water transmitting cracks filled
PRIMARY BENEFITS!
•Addresses Water / Moisture Borne Issues
• 100% Green Technology
• Mitigates CorrosionProblems
• Positive & Negative Sides
PERMANENT PROTECTION
• Seals hairline cracks up to one 16th inch in width
• Seals inner surfaces of large cracks preventing water from causing further damage
• Increases the adhesion property of repairing materials in concrete crack repair.
PROTECTION ZONE REPAIRED CRACK
GROWTH CRYSTALS- MEETS OR EXCEEDS….
• ASTM c666 (Freeze/Thaw)
• ASTM E303-93 (TRL)
• ASTM c1583 (Bond)
• ASTM f609 (Friction)
• AASHTO 260-97 (Chloride Ion)
• ASTM C1202 (Chloride Ion Pen.)
• ASTM C944 (Abrasion)
• ASTM D6489 (Water Absorption)
• ASTM E96 (Vapor Trans)
• ASTM 672-98 (Resistance to Scale)
ALL TESTING & ENGINEERED REPORTS AVAILABLE UPON REQUEST AND ONLINE
Verification of CRYSTAL Impregnation Concrete Core Testing of
Comparative Water Resistance
Digital Photographs of Sectioned Cores*[Approx. X2 scale): Car Park-
MATRIX Ltd.
Report Date: Monday, 16th June 2005
SECTION 1 (CORE 1) SECTION 2 (CORE 2) SECTION 3 (CORE 3) SECTION 4 (UNTREATED REFERENCE
*Procedure: (i) cores repaired with Silicon to reduce lateral seepage of dye solution, (ii) cores inverted in dye solution for 4 days, (III) cores removed from dye solution and allowed to air dry for 48 hours, (iv) buttons cut from cores, (v) sections wet cut from core buttons, (vi) sections dried and photographed. Slight smudging of the dye can occur as a result of the wet cutting process.This is a small effect compared with overall dye penetration. Isolated occurrences of natural fluorescence are rare and distinguishable from the dye used. Sections Nos. 1, 2 & 3 indicate that THE CRYSTALS has provided substantial resistance to water ingress. For reference purposes, section 4 shows typical absorption in a comparable untreated concrete.
Prepared by Professor Denis A. Chamberlain, Concrete Testing Laboratory, School of Engineering & Mathematical Sciences,
City University, Northampton Square, London. EC1
ASTM C666 & ASTM C1262-98 Rapid Freeze Thaw
UK ASTM C1262-98: Substantial reduction in mass loss and rate of mass loss in manufactured concrete railway posts.
Negligible length change, mass loss and reduction of dynamic modulus
Freeze-thaw is an extremely important issue in many UK regions.
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0
0 100 200 300
Freeze Thaw Cycles
Weig
ht
Ch
an
ge in
co
ncrete
, %
Treated
Untreated
SECONDARY BENEFITS OF GROWTH CRYSTALS
• REDUCES POP OUTS
• SEALS CRACKS UP TO 1/16”
• KEEPS PAVEMENT CLEANER
AND FRESHER
• WORKS TO ELIMINATES STAINING
• NO EFFECT ON SECONDARY
COATINGS/TOPPINGS
• REDUCES INTERNAL AND
EXTERNAL ICE BUILD-UP
12/30/2011
Application day
3/20/2012
81 Days After Application
PATENTED GROWTH CRYSTAL SYSTEM DRIES CONCRETE
ONE COAT APPLICATION OF GROWTH CRYSTALS
5/22/2012
144 Days After Application
2/11/2013409 Days After Application
PATENTED GROWTH CRYSTAL SYSTEM DRIES CONCRETE
ONE COAT APPLICATION OF GROWTH CRYSTALS OFFERS LIFE OF CONCRETE PROTECTION
SIMPLE APPLICATION
SPRAYING CAN EVEN UTILIZE
EXISTING EQUIPMENT
DO TO ENVIRONMENTLY FRIENDLY VOC FREE QUALITIES
19
Minimal Impact On Traffic
Dubuque, IA Bridge Application
Concrete Parking Lots
11 YEAR OLD CONCRETE PARKING LOT TREATED AT TIME OF PLACEMENT
Blondo Street
ADDITIONAL LONG LASTING QUALITY ASSURANCE
FOR PRECAST, CONCRETE AND MASONRY
THE CONCLUSION IS QUITE SIMPLE
USINGPROVEN DUEL CRYSTALLIZATION
REACHING 85% SATURATION
INFORMATION PROVIDED BY THE FOLLOWING ENTITIES
• BRUNEL UNIVERSITY, LONDON
• UNIVERSITY TEXAS, AUSTIN
• LAWGIBB GROUP
• CTL GROUP (CHICAGO)
• DALLAS LABORATORIES
• JEC (SCOTTSDALE)
THANK YOU..