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以门框形框架为主体的钢管脚手架,一般称为门式脚手架。它的功能较多,广泛使用于各种工程的施工中。我国近几年开发的门式脚手架,由于功能不全而在使用中有一定的局限性。最近由北京市建工所研究设计的专利产品——GZM新型门式脚手架,通过了由北京市科委组织的技术鉴定。这种新型多功能门式
Steel frame scaffolds with a frame-shaped frame as the main body are generally called gate scaffolds. It has many functions and is widely used in the construction of various projects. The portal scaffold developed in China in recent years has certain limitations due to incomplete function. The new patented GZM portal scaffold designed and researched by the Beijing Construction Engineering Institute passed the technical appraisal organized by the Beijing Science and Technology Commission. This new multi-functional portal