Experimental Study on the Interaction Mechanism of Cap—Pile Group—Soil |
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| Authors: | Xiaohong Bai Wubin He Jungang Jia Yunshan Han |
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| Institution: |
a Taiyuan University of Technology, Taiyuan, China
b Shanxi Power Institute of Design and Survey, Taiyuan, China
c University of North China, Taiyuan, China |
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| Abstract: | Static load tests on pile group with prototype size were carried out in order to study the behavior and the working properties of the cap—pile group—soil interaction in the pile group foundation. The soil resistance under the cap, the pile shaft resistance and the tip resistance were measured by installing various measuring gauges. Based on these test results, the cap—pile group—soil interaction characteristics were analyzed. The regulations of the soil reaction on the cap, the shaft resistance and the tip resistance of pile, the mechanism of load transfer have been discussed with comparison to the result of the single pile tests. The bearing capacity of pile group is greater than the sum of the bearing capacity of the single pile obtained from testing in the same site in pile group foundation in the case presented here. |
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| Keywords: | cap interaction load transfer pile group single pile soil |
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