And make comparison between ripple web plate variable cross-section portalrigidframe 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。
2
Portalrigidframe 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。
3
The section of traditional portalrigidframe are constant cross-section and wedge shape variable cross-section, this paper brings up a component cross-section—ripple web plate variable cross-section.