The portal rigid frame is the mostly structure of light weight steel structure. It has two forms- lattice rigid frame and solid belly rigid frame.
门式刚架是轻型钢结构的主要结构形式，分为实腹式和格构式两种。
参考来源 - 门式格构刚架轻型钢结构CAD系统基础设计模块的开发·2,447,543篇论文数据，部分数据来源于NoteExpress
And make comparison between ripple web plate variable cross-section portal rigid frame and constant cross-section rigid frame.
并且把波纹腹板变截面门式刚架与等截面门式刚架进行对比。
Portal rigid frame structure has some characteristics, such as light weight, high strength, easily installation, etc. and it is widely used in factory projects.
门式刚架结构由于具有重量轻、强度高、便于安装等特点，近年来在厂房工程中得到了非常广泛的应用。
The section of traditional portal rigid frame are constant cross-section and wedge shape variable cross-section, this paper brings up a component cross-section—ripple web plate variable cross-section.
传统的门式刚架的构件截面为等截面和楔形变截面，本论文提出了一种构件截面形式——波纹腹板变截面。
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