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当前砖混结构工程占建筑工程的比例仍高达80%以上。今后一个相当长的时期内,砖混结构仍然是主要的建筑结构形式。近年来,这种传统的砖混结构事故不断出现,一些新建工程也留下安全使用的隐患。下面对产生砖混结构事故的原因作一初步分析。1.墙、柱承载力不足。有的设计人员凭经验设计,不作承载力计算或安全系数偏小;对承受6m以上混凝土大梁的砖墙,往往注意梁的设计计算而忽视了对墙的计算和构造处理。
At present, the percentage of brick-concrete structure projects in construction projects is still over 80%. For a long time to come, the brick-concrete structure is still the main form of building structure. In recent years, this kind of traditional brick-concrete structure accidents have continued to occur, and some new construction projects have also left hidden dangers of safe use. The following is a preliminary analysis of the causes of the accidents that caused the brick-concrete structure. 1. Insufficient bearing capacity of walls and columns. Some designers design by experience, do not calculate the bearing capacity or the safety factor is too small; to the brick wall that bears the concrete girder more than 6m, often pay attention to the design calculation of the beam and ignore the calculation and construction of the wall.