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本文以浏阳河大桥桩基试桩为基础,采用钢筋计测试桩身轴力,并用多通道采集模块进行数据采集,较常规的综合测试仪采集效率高且避免了许多人为干扰,提高了数据的可靠性。资料处理及计算采用EXCEL程序,通过计算得到桩身轴力随深度的变化规律,桩侧土的分层摩阻力,桩身弹性压缩量,端承力、摩阻力相互关系,计算结果较准确的反应了桩基的受力情况,侧摩阻力计算结果与勘察结果较为吻合。
In this paper, Liuyang River Bridge pile test pile as the foundation, the use of steel bar test pile body axial force and multi-channel acquisition module for data acquisition, compared with the conventional comprehensive tester acquisition efficiency and avoid many human interference, improve the data reliability. Data processing and calculation using EXCEL program, through the calculation of the pile shaft force with the depth of the law of change, the pile side of the soil layering resistance, pile elastic compression, bearing capacity, friction resistance, the calculation results are more accurate Which reflects the stress of pile foundation. The calculated results of lateral friction agree well with the survey results.