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Title: Field Testing of Axially Loaded Drilled Shafts in Clay/Gravel Layer
Authors: San-Shyan Lin;Kun-Jui Wang;Hsii-Sheng Hsieh;Yu-Herng Chang;Chien-Shun Huang
Contributors: NTOU:Department of Harbor and River Engineering
Keywords: Pile load test;drilled shaft;reverse circulation method;tip grouting;case study
Date: 2007
Issue Date: 2011-10-20T08:10:28Z
Publisher: Journal of GeoEngineering
Abstract: Abstract:This paper examines six case histories of load tests on reverse circulation method installed drilled shafts, with or without tip
grouting, under axial load. Shaft displacement readings based on both telltale/extensometer and rebar gage are compared first.
Subsequently, effect of loading cycle on shaft elastic modulus estimation is evaluated. The load versus displacement relationships
at shaft head, the t-z curves of clay layer and of gravel layer are other important concerns and are compared in the paper. In addition,
the adhesion factor α and the parameter β based on the pile load test results are suggested in the paper.
Relation: 2(3), pp.123-128
Appears in Collections:[Department of Harbor and River Engineering] Periodical Articles

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