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