Controlled low-strength-material-clsm

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1. Controlled Low Strength Material (CLSM)
‘Flowable Fill’

2. Composition of Concrete Fill
Cement
Sand
Water
Air-Entraining Additive
Elastizell Engineered Fill
Darafill

3. Property Comparisons
Property CLSM Type II Concrete
Cast Density75-90 pcf 150 pcf
28-day
compressive
strength
90 psi 3000 psi
Slump unattainable3” - 4”

4. Specific Job Use
Corpus Christi Seawall Project

5. Mixing Procedure
Admixture added at site

6. Placement Procedure
Longitudinally-cut pipe used as troughs

7. Placement Procedure
Flow of concrete similar to water

8. Voids Before Placement
Bulkheading required to contain flow

9. Voids After Placement
Density low enough for hand excavation

10. Finished Section
Used as formwork for concrete placement