Abstract : The application of double-row piles in deep softclay foundation pit is introduced combined with the deep foundation pit engineering of complex building of liaohe oilfield exploration. Concrete drill-holing stake of double-row in accordance project is applied in foundation pit support comparing with various designs,calculating the depth of the fixing,checking the stability,deformation of the side of fundation show that double-row piles operates well.
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The main contents include the process calculation, tower's structural design, strength design and checking the stability of tower and so on.
其塔体为绕带式，设计的主要内容包括工艺计算、塔的结构设计以及塔的强度设计和稳定性校核等。
First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.
首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。
In the mid-column design of gabled frames, the selected solid web section, isn t satisfied by in-plane stability checking because of the biggish out-plane effective length.
门式刚架的中柱设计中，常因为平面外计算长度较大，所选实腹式截面无法满足平面外稳定验算，从而导致用钢量增加。
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