Using the finite element software ANSYS,the article calculates and analyses the behavior capacity of pile groups first. It discusses the influence factors of pile groups effect,such as pile space,pile number,pile diameter,pile length and soil parameter etc.
本文首先运用目前国内外应用较为广泛的有限元软件ANSYS对群桩基础进行有限元分析：分析了横向荷载作用下群桩的桩距、桩数、桩径、桩长、土体模量等因素对群桩效应的影响，得出了一些有益的结论。
参考来源 - 横向承载群桩的有限元计算分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, not only the pile spacing but also the pile group layout will have influence on both the bearing capacity and the pile group effect of pile groups.
群桩已不再具有圆形单桩的轴对称性，因此群桩的承载特性及群桩效应不仅受桩间距的影响，而且受群桩布置方式的影响。
So based on the condition of displacement coordination, a method which can consider the effect of the cap sharing the load to predict the settlement of pile groups with low caps is advised.
本文考虑承台—桩—土的共同作用，根据位移协调条件，在高承台桩基沉降计算方法的基础上提出考虑承台分担荷载作用的低承台桩基沉降计算方法。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
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