模型桩动测效果的研究(一)

本文笔者对平卧在地面上的大型模型桩作反射波法和瞬态机械阻抗法系统测试研究，表明有缺陷的模型桩，反射波法的时域波形反射明显，效果较好；而瞬态机械阻抗法的频域传递函数（或导纳）曲线特征无反应，其效果不好。并指出，测试的技术方法的选择应用是不可忽视的，时域法和频域法应综合应用，才能取得良好的动测效果。

Test studies of refraction survey method and instantaneous mechanicalimpedance method are proceed to large model pile set on surface. The test results indicatestEat the time period wave type of refraction survey method is obvious and the effect is better.And the frequency range transmit function curve character is no reflect, and the effect is notgood. The select of the test method can not be ignored. The better dynamic test results can beobtained by comprehensively applied the time period method and the frequency range method.