基于应力波的桩身内力计算方法研究

Calculation Method of Pile Body Internal Force Based on Stress Wave

针对大型试桩工程中桩身内力测试存在的问题,为了提高桩身内力测试参数的可靠性和准确性,基于应力波理论,利用声波透射法测试成果进行桩身材料弹性模量修正,有效提高桩身内力测试的精度,优化桩基设计参数,降低桩基工程造价,并提高了桩基工程的安全性。

For large engineering pile body internal force of piles testing problems, in order to insure the accuracy and the reliability of the pile test parameters, by using stress wave theory, the use of sound wave transmission method test results for pile body material elastic modulus, improve the precision of the pile body internal force test and optimize the pile foundation design parameters, reduce the engineering cost; Will be a number of testing method and unified application without increasing resource input, accord with environmental protection principle to improve the reliability of pile foundation design parameters, guarantee the safety of the pile foundation engineering.