住宅楼人工挖孔桩的高低应变动力测试探讨

人工挖孔灌注桩是烟台市应用广泛的桩型之一．这种桩具有较高的承戴力，桩-土相互作用情况较预制桩复杂。因此探讨高低应变动力试桩法对这类桩的适宜性问题显得日益重要．本文以某住宅楱为例，探讨了人工挖孔灌注桩高低应变动力测试的原理和仪器设备、测试过程与结果，并对高应变动测中的承栽力确定、动阻力取值等问题进行了分析研究．

Discussion on High and Low Strain Dynamical Detection of Artificial Drilled Piles for House Building

Artificial drilled pile is one of the piles applied widely in Yantai city, which is higher in bearing capacity, and between which and soil the interaction is more complex than that of between precastiony piles and soil. It is important to discuss the suitability of high and low strain dynamical detection for this pile. A house building is taken as an example in this thesis, the principle and instrument equipment, the detection process and the result of high and low strain dynamical detection in artificial drilled pile are introduced. Some questions, such as the confirmation of bearing capacity, the selection of dynamic resistance value in high strain dynamical detection , etc., are analysed and studied.