1、压型彩钢板未均匀堆放在屋面上，导致屋面超载，引起钢构整体变形。严重的会引起钢结构局部坍塌。

2、压型钢板的铺设顺序一般为散板、调整、铆固。压型钢板吊放到屋面时，未进行固定或压型钢板散板与铆固不同步。这两种情况在突遇大风时压型钢板会随风散落坠落伤人或发生溜板现象。
严重的甚至会把施工人员拍打从高处坠落。笔者监管的某个工程就发生过类似事故，吊放在屋面上压型彩钢板未固定牢固，突遇大风彩钢板飘起砸中施工人员，导致人员从高处坠落受伤。

1, pressed choi steel not uniform piled up on the roof, lead to roof overload, cause deformation of steel structure as a whole. Serious can cause steel structure partial collapse.

2, the laying of steel sheet order is commonly ragtime, adjust, rivet head. Hanging on the roof, the steel sheet was not fixed or pressed steel ragtime and rivet head are not synchronized. In both cases the sudden wind profiling steel plate will fall carrige occur or scattered in the wind.

The construction personnel serious even tap falling from height. The supervision of a project is similar accidents happened, choi steel hanging on the roof pressure type is not fixed and firm, encountered some big flutter wind colour steel plate of construction personnel, and wounded personnel falling from a height.

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