Controlled Low Strength Material (CLSM) aka ‘Flowable Fill’ Presented by: Daniel Garza.

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Presentation transcript:

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 PropertyCLSMType II Concrete Cast Density75-90 pcf150 pcf 28-day compressive strength 90 psi3000 psi Slumpunattainable3” - 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  Grace Construction Products  Shiner Moseley & Associates  Unicon Concrete