从侧向受荷桩的受力和变形机理出发，提出了地面超载下邻桩侧向变形的计算分析方法。
A method of calculating lateral displacement of adjacent pile caused by overcharge on ground is put forward by considering relationship between pressure on the pile and its deformation.
依据大量掘桩实践，论述了掘桩爆破对持力岩层、护壁、桩间岩柱、邻桩支护和新浇砼损伤的原因、条件和防范措施。
Based on practice of excavating piles, the reasons conditions and preventive measures about damage by blasting on supporting rocky layer, pillar ground support and concrete in pile have been proposed.
用该程序模拟沉桩挤土过程，分析桩周土体的应力场、位移场的变化以及有邻桩存在时桩间土的应力场、位移场的变化。
It is used to analyze the change of stress and displacement of soil around piles and checked by the measuring data.
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