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在分析土层水位变化情况下桩的响应特点的基础上,推导出地下水位升降引起的桩附加应变的计算公式,并与试验结果进行比较,印证了不同水位变化速度情况下桩的响应,证明了公式的准确性,并得出了砂土中桩身附加应变随水位变化的经验公式。
Based on the analysis of the response characteristics of piles under the change of soil water level, the formula of extra strain of piles caused by the rise and fall of groundwater level is deduced and compared with the experimental results to verify the response of piles under different water level changing velocities. The accuracy of the formula was obtained and the empirical formula of the additional strain of the pile in the sand with the water level was obtained.