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利用灌注桩应力测试结果,对桩底沉渣对桩的荷载传递影响进行分析。试验结果表明,桩底沉渣不仅影响桩端阻力发挥,而且也影响桩侧阻力发挥,桩底沉渣越厚,桩侧阻力发挥值越小。同时根据桩的荷载传递特征,提出桩的承载力估算方法。
The effect of pile bottom sediment on pile load transfer was analyzed by using the stress test result of pile. The test results show that the bottom sediment not only affects the pile tip resistance but also affects the pile side resistance. The thicker the pile bottom sediment, the smaller the pile lateral resistance exerts. At the same time, according to the load transfer characteristics of the pile, a method of estimating the bearing capacity of the pile is proposed.