PTC管桩施工中孔隙水压力规律分析与研究

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REGULARITY ANALYSIS AND STUDY ON PORE WATER PRESSURE DURING PTC PILE CONSTRUCTION

1.
1. Department of Civil Engineering,Nanchang Institute of Aeronautical Technology Nanchang 330046;
2.
2. Hehai University Nanjing 210 098

摘要: 介绍了PTC管桩在高速公路深厚软土地基处理中的施工工艺和施工过程孔隙水压力的现场监测结果，分析了孔隙水压力的变化规律，讨论了沉桩过程对周围邻桩的影响，提出了消除超孔隙水压力的一些方法和措施，指出可利用超孔隙水压力消散的有利条件，达到软土地基二次固结的目的。
- PTC管桩 /
- 施工工艺 /
- 孔隙水压力 /
- 措施
Abstract: The applicability of PTC pile composite foundation is introduced in expressway profundity soft soil groundtreatment. The construction technology of PTC pile is also introduced, the spot monitoring of pore water pressure has beendone in process of the PTC pile construction, the chang ing regularity of pore water pressure has been analysed, and thecompaction effect of the squashing PTC pile has also disscussed, some measures have been put forward in order to eliminatethe effect of pore water pressure.
- PTC pile /
- construction technology /
- pore water pressure /
- measures