Construction Specifications for Drilled Shafts- Missouri DOT
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It is a method to verify the integrity of drilled shafts and other concrete piles. This method is considered to be more accurate than sonic echo testing in the determination of soundness of concrete within the drilled shaft inside of the rebar cage.
In order to perform the CSL test, accesstubes must be pre-installed prior to theplacement of concrete. The access tubes arenormally PVC pipes attached to the rebar cage extending to the full depth of the drilled shaftand.
Drilled Shaft Foundation Inspection Manual
Provides basic drilled shaft construction and inspection information.
Download Drilled Shafts Construction Procedures and Design Methods 1999 Publication No. FHWA-IF-99-025 Authors Michael W. O’Neil and Lymon C. Reese
Geotechnical Engineering Circular No. 10 – Drilled Shafts: Construction Procedures and LRFD Design Methods.
Drilled Shafts Summary
Download NCHRP Synthesis 360 Rock-Socketed Shafts
Download Sample Drilled Shaft Inspection Forms