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首页> 外文期刊>Transportation Research Record >Behavior of Integral Abutments Supported by Steel H-Piles
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Behavior of Integral Abutments Supported by Steel H-Piles

机译：H型桩支撑整体式基台的行为

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摘要

A summary of already-reported results of earlier tests on integral abutments supported by steel H-piles is provided, and a detailed description of further testing is given. The additional tests were performed on an abutment that was consistent with what was still in use by the Tennessee Department of Transportation (TDOT) and was 20% wider than the abutments in the earlier tests. The tests consisted of pulling horizontally a simulated abutment supported by a steel H-pile and restrained against free rotation at the top. Test results clearly showed that the wider abutment was capable of withstanding larger horizontal displacements than the abutments in the earlier tests, although the former performed adequately to satisfy TDOT criteria. In the tests reported here with the currently used abutment width, the abutment-pile was capable of withstanding horizontal displacements at the ground surface well beyond the 1-in. (25.4-mm) maximum displacement permitted by TDOT criteria.
机译：提供了对钢制H型桩支撑的整体式基台的较早测试结果的总结，并给出了进一步测试的详细说明。附加测试是在与田纳西州交通局（TDOT）仍在使用的基台上进行的，并且比早期测试中的基台宽20％。测试包括水平拉动一个模拟的基台，该基台由钢制H形桩支撑，并在顶部不受自由旋转的约束。测试结果清楚地表明，较宽的基台比早期测试中的基台能够承受更大的水平位移，尽管前者的性能足以满足TDOT标准。在此处报告的使用当前使用的基台宽度的测试中，基台桩能够承受远超过1英寸的地面水平位移。 TDOT标准允许的最大位移（25.4-mm）。

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