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一、立项背景钢框架-混凝土核心筒结构形式(简称内筒外钢框),内筒为钢骨混凝土结构,外筒为钢框架结构,具有自重轻、结构柱面积小、结构延性大、增加室内净空、施工快等显著的优点,具有广阔的应用前景。采用此种新型的结构形式,必将对结构的施工技术提出更高的要求。我司依托广交会综合楼项目,开展了一系列的结构施工技术的综合研究、实践,创新性地提出针对该类型结构的综合施工技术。二、项目简介广交会综合楼为中国出口商品交易会(即广交会)琶洲展馆
First, the project background steel frame - concrete core tube structure (referred to as the inner tube outer steel frame), the inner tube of steel reinforced concrete structure, the outer tube of steel frame structure, with light weight, small column structure, structural ductility, increase Indoor clearance, construction and other significant advantages, has broad application prospects. With this new type of structure, it is bound to put forward higher requirements on the construction technology of the structure. Based on the comprehensive building project of Canton Fair, our company has carried out a series of comprehensive research on structural construction technology, put forward the comprehensive construction technology aimed at this type of structure in practice. Second, the project profile Canton Fair Complex for the China Export Commodities Fair (Canton Fair) Pazhou Complex