Double column with batten plateand laced column （as figure one shows）
双肢缀板柱与缀条柱如图1所示.
The main factors affecting the design axial compression column axis lie in axial pressure, gauge length, sub-limb spacing, cross-sectional form and structure and so on.
轴心受压柱设计的影响因素主要有轴心压力、计算长度、分肢间距、截面形式与构造等.
This paper mainly focuses on two-leg lattice steel columns, column normal limb using common channel cross-section, and design analysis on the two differentdouble-limb axis lattice columns under the conditions ofdifferent pressures , gage length, sectional dimension, etc.
本文研究双肢格构钢柱,柱肢选用常用的普通槽钢截面,对两种缀材形式的双肢格构柱在不同轴心压力、计算长度、截面尺寸等条件下进行设计分析.
The steel used are Q345. lx, ly represents respectively the length of the real axis and the false shaft and the paper will take lx=ly znd lx=2ly for example. The design will take seven values, that is, 600cm, 550cm, 500cm, 450cm, 400cm, 350cm, 300cm. Besides, the axial pressure will be 500kN~4500kN, increasing atthe rate of 500kN.
钢材均选用Q345.取lx、ly分别表示格构柱关于虚轴、实轴计算长度,计算长度分别取lx=ly,lx=2ly两种情况,设计时ly取600cm、550cm、500cm、450cm、400cm、350cm、300cm七个数值.令轴心压力取为500kN~4500kN,以500kN递增.
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