The in-plane stability is verified by primary parameter method. Thetheory is correctly and feasibility, compare to the result that ANSYS come out.
整体稳定性的验算，本文将张弦梁 结构简化为弹性支撑的拱，采用初参数的方法进行了其平面内稳定性验算，通过 与ＡＮＳＹＳ程序分析结构进行了比较验证理论的正确性和可行性。
参考来源 - 张弦梁结构稳定性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Some problems are discussed about the in-plane stability designing of light-weight portal frame in current code of China.
针对现行规程对于轻型门式刚架钢结构稳定设计中存在的不足，用有限元法进行了平面内整体稳定研究。
A beam or a column often supports other members which participate in the buckling action, and significantly influence its in-plane stability and out-of-plane stability.
梁或柱为其连接的其他构件提供支撑，同时，与梁或柱相连接的构件也为梁或柱提供约束作用。这些约束作用极大地影响着梁或柱的平面内稳定和平面外稳定。
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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