Controlled Low Strength Material (CLSM) aka `Flowable Fill`
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Transcript Controlled Low Strength Material (CLSM) aka `Flowable Fill`
Controlled Low Strength Material (CLSM)
aka ‘Flowable Fill’
Presented by:
Daniel Garza
Composition of Concrete Fill
Cement
Sand
Water
Air-Entraining Additive
Elastizell Engineered Fill
Darafill
Property Comparisons
Property
CLSM
Type II Concrete
Cast Density
75-90 pcf
150 pcf
28-day
compressive
strength
90 psi
3000 psi
Slump
unattainable
3” - 4”
Specific Job Use
Corpus Christi Seawall Project
Mixing Procedure
Admixture added at site
Placement Procedure
Longitudinally-cut pipe used as troughs
Placement Procedure
Flow of concrete similar to water
Voids Before Placement
Bulkheading required to contain flow
Voids After Placement
Density low enough for hand excavation
Finished Section
Used as formwork for concrete placement
References
Elastizell Corporation of America
www.elastizell.com
Grace Construction Products
www.na.graceconstruction.com
Shiner Moseley & Associates
www.shinermoseley.com
Unicon Concrete
www.carolinapumping.com