选择夯扩桩桩端持力层的新突破
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摘要: 针对我院1993年完成的汉正街某夯扩桩工程中利用Ps仅1.1MPa的粉土与淤泥质粉质粕土互层作为桩端持力层的成功实例,突破了桩基规范上对桩端持力层的要求,扩大了桩基的应用领域。本文目的在于引起同行在处理软弱地基中采用桩基础时,对桩端持力层及桩型的选择一定要慎重和供以后建筑桩基规范修订时参考。Abstract: The requirements for the bearing stratum at the pile tip in the standard of pile foundation arc brokenthrough and ths applying region is expended by the successful practice# The aim of this paper is to emphasize the important of the selection of the bearing stratum at the pile tip and the pile type during the processing of the soft foundation and to provide inference for the revision of the standard of the structure pile foundation.
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