对旋挖钻机桩架整体有限元分析中的关键件——销轴连接的有限元模型进行了深入研究，并提出了实用而精确的有限元模型。
The key in finite element analysis on complete pile frame of rotary pile drill-finite element model of pin connection, is researched in depth. A feasible and accurate finite element model is offered.
上叶片与下叶片通过销轴和滑槽连接。
The upper blade is connected with the lower blade through a pin shaft and a chute.
将三根附墙杆起吊到适当高度，首先用销轴将杆与标准节一端连接，然后安装到地脚螺栓连接板上。
Lift the 3 shaft adhered to wall to the suitable height, firstly, connect the shaft with one end of the standard section, then install on the connection plate of foundation bolt.
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