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球型结点、立体桁架、复合压型板轻屋盖自重轻、适应跨度大,是一种新型的空间结构体系。与空间网架结构相比,减少了大量杆件,受力层次明确,施工简便。1992年在天津14万t乙烯树脂成品库工程中首次应用便以其新颖的造型、建筑使用功能的完美以及显著的经济效益和社会效益受到了建设单位和市指挥部的好评。本文将该结构体系分为球型结点、立体桁架以及复合压型板轻屋面两部分作扼要介绍。
Ball-type nodes, three-dimensional truss, composite pressure plate light roof light weight, adapt to span, is a new type of spatial structure system. Compared with the space grid structure, a lot of rods are reduced, the stress level is clear, and the construction is simple. In 1992, for the first time in Tianjin 140,000 t vinyl resin finished warehouse project, it was praised by the construction unit and the city headquarters for its novel shape, perfect construction function, and remarkable economic and social benefits. In this paper, the structural system is divided into two parts: spherical node, three-dimensional truss and composite pressure plate light roofing.