| PDA高应变测桩技术在打桩监测中的应用 |
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| 作者姓名： | 李廷军 |
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| 作者单位： | 上海闵衡建筑检测研究所有限公司,上海,201102 |
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| 摘 要： | 根据PDA对打桩过程中的桩身内拉压应力、锤击能量及初打极限承载力的监测，从而评价所选择的沉桩方法是否合理，场地地层情况与监测结果是否吻合，以及优化基桩持力层的选择，从而更好的为工程服务。
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| 关 键 词： | 高应变 低应变 静载 拉压应力 锤击能量 桩身完整性 打桩监测 PDA 应用 技术 |
| 收稿时间： | 2005-04-21 |
| 修稿时间： | 2005-04-21 |
The Application of PDA High strain measuring technology in the pile -driving monitoring |
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| Authors: | Li tingjun |
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| Institution: | Shanghai mingheng building detection research Co. , Ltd. , Shanghai 201102 |
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| Abstract: | Basing on the application of PDA monitoring the pile's internal tension & compression stress, energy of hammer, ultimate limitation of bearing capacitye in the process of pile driving , it has evaluated if the pile settling is reasonable, site situation is fitting with monitoring results and also the option of bearing course of foundation layer which it has chosen in order to have better service for the project. |
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| Keywords: | high strain dynamic lower strain dynamic static loading test tension & compression stress energy of hammer pile integrity |
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