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Effect of Hydro-excavation on Drilled Pier Footing Design

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humanengr

humanengr

Structural
Aug 1, 2008
140
Checking if anyone can provide or point to a resource on considerations in the design of drilled piers when the excavation
is hydro-excavated instead of auger-drilled.
Any information such as potential reduction in soil resistance capacity would be appreciated.
Would this normally be addressed in the Geotech. Report?
 
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Hydro excavation for drilled piers is extremely uncommon. Would never be addressed in a geotech report as standard.

More information is need though, how exactly was it excavated? What equipment was used.

I thought hydro excavation was only for very short depths and mainly for exposing services. So limited to 2m or so??
 
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