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近年来,部分施工人员在安装砖混结构房屋楼梯间休息平台处钢筋时,未正确理解单向板与双向板的力学概念,从而导致已竣工工程在休息平台与两横墙交界处出现较明显的裂缝。
In recent years, some constructors did not correctly understand the mechanical concepts of one-way boards and two-way boards when they installed reinforcing bars at the resting platform of brick-concrete structure stairwell, resulting in the obvious conspicuousness of the completed works at the junction of the resting platform and the two horizontal walls Cracks.