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Load Testing and Performance of Instrumented ACIP Piles in Texas Clays

机译:德州粘土中的ACIP桩的载荷测试和性能

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A series of instrumented pile load tests was performed on augered cast in-place piles in an area northeast of Austin, Texas. The site soils primarily comprised of clays. The load test program included testing various pile diameters and lengths. Ten compression and tension load tests were performed. Five of the test piles were instrumented with internal strain gages at multiple levels. Load test results provided valuable insight on distribution of loads along the pile shaft and at the toe. This paper summarizes the site subsurface conditions, results of the pile load tests, observed load distribution in instrumented piles, and compares back-calculated skin friction and toe resistance factors from the load tests with those commonly used in pile design.
机译:在得克萨斯州奥斯丁东北部的一个区域,在带垂度的现浇桩上进行了一系列仪器化的桩载荷测试。场地土壤主要由粘土组成。载荷测试程序包括测试各种桩直径和长度。进行了十次压缩和拉伸载荷测试。在五个测试桩中装有多个内部应变计。载荷测试结果提供了有关沿桩身和趾部载荷分布的有价值的见解。本文总结了现场地下条件,桩载荷试验的结果,观察到的桩基中的载荷分布,并将载荷试验中的反算表皮摩擦力和脚趾阻力因子与桩设计中常用的进行了比较。

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