介绍了某工程人工挖孔桩桩端持力层载荷试验及其结果。
This paper introduces the method and result of load test on supporting layer of man-made hole pile.
本文介绍了人工挖孔桩桩端持力层载荷试验方法及试验结果。
This paper presents the method and result of load test on supporting layer of man-made hole pile.
并探讨了有关建议中提出的桩端持力层容许承载力参考数值的实用问题。
The practical problem of the allowable pressure of the proposed bearing layer is discussed.
南宁盆地圆砾颗粒组成均匀，胶结紧密，分布连续，是较理想的桩端持力层。
In Nanning basin, the circular-gravel layer is an ideal bearing stratum of piles, because of it's homogeneous particle composition, compact cohesion and continuous distribution.
泥浆护壁钻孔灌注桩当桩端持力层为砂土层等非岩石层时，通过桩底压密灌浆能有效地提高单桩承载力。
When the bearing stratum at the tip of bored pile is sandy soil stratum, the method of pile tip pressure grouting can effectively improve the bearing capacity of single piles.
某建筑物基础采用人工挖孔桩，桩端持力层为花岗岩残积粘性土，经检测发现桩身完整而承载力远低于设计要求。
The manual hole digging pile was adopted in foundation of some building. Granite residual clay was chosen as the bearing stratum of pile tip.
上海地区建筑工程普遍采用桩基，但以粘性土为持力层的预制桩实测承载力普遍低于理论值，主要是因为休止期较短及对端承力作用认识不足。
Pile foundation is widely used in construction in Shanghai region, but the site test data on bearing capacity of pre-cast concrete pile based on cohesive soil were lower than theoretical level.
实测结果表明，桩底后注浆处理后，持力层的端阻力提高约100%，刚性桩复合地基承载力提高约35%。
Loading test results indicate that the bottom resistance increases by about 100% after grouting in the pile bottom, and the bearing capacity of the rigid pile increases by about 35%.
实测结果表明，桩底后注浆处理后，持力层的端阻力提高约100%，刚性桩复合地基承载力提高约35%。
Loading test results indicate that the bottom resistance increases by about 100% after grouting in the pile bottom, and the bearing capacity of the rigid pile increases by about 35%.
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