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某地一座五层楼房60年11月基本建成尚未交付使用,61年七月发生坍塌事故,原设计及施工单位組織了事故研究分析小組,对事故原因进行分析,提出砧石結構設訂及施工中应注意的問題。笔者参加了座談会,今将情况报导如后。 (一)工程情况簡介:該五层楼房为混合結构。由砧墙及鋼筋砼正体楼板梁承重。平面見图1(a),在27×14·5m平面范围內,五层均无任何隔墙或柱子。窗間墙尺寸見图1(b),各层宽度均为2m。大梁垫块的长度第二层为2m,第三层1·8m,第四层
Somewhere a five-storey building 60 years in November of basic completion has not yet been delivered, in July 61 occurred a collapse accident, the original design and construction unit organized an accident research and analysis team to analyze the causes of the accident, raised anvil stone structure design and construction Should pay attention to the problem. I participated in the forum, the situation will be reported later. (A) Project Profile: The five-story building for the mixed structure. By the anvil wall and reinforced concrete floor beams bearing. The plane shown in Figure 1 (a), in the 27 × 14 · 5m plane within the five layers without any wall or column. Window wall size shown in Figure 1 (b), each layer width is 2m. The length of the girder pad second layer is 2m, the third layer 1.8m, the fourth floor