In situ tests aid design of a cylinder pile wall : Gufford, A B; Green, G E; Buechel, G J; Feldman, A I In: Use of In Situ Tests in Geotechnical Engineering (papers to the Conference, Blacksburg, 23–25 June 1986)P569–587. Publ New York: ASCE, 1986 (ASCE Geotechnical Special Publication No 6)

Abstract

In situ testing was used to verify geotechnical design parameters and modify construction for a 22 million dollar slope stabilization project near a major highway interchange. The project included constructing a 40-foot-high, 1,100-foot-long large diameter cylinder pile wall. An 800 ton tendon, anchors each cylinder pile to a deadman located in a rock tunnel driven parallel and behind the wall. Shear strength, modulus, and bearing capacity of soil and claystone were reevaluated early during construction on the basis of results from large-scale in situ testing. Design and construction were modified to take advantage of increased modulus and deal with lower measured shear strength.