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钢结构防火涂料工程施工质量现场检测中存在的问题

发布时间:2015-9-15 9:33:43 浏览次数:548
1)夹层问题这里所指的夹层是指位于两自然层之间的楼层,指房屋内部空间的局部层次。选用钢结构搭建夹层势必就要做钢结构防火处理。工程施工质量现场检测的时候,夹层钢柱的耐火极限到底应该怎么确定,至今没有相关的标准或者统一的定论。

2)检测标准问题很多厂家生产的钢结构防火涂料型式认可证书往往不具有全部的耐火极限时间或耐火极限时间为其他时间。这就给钢结构防火涂料工程施工质量现场检测与日常的防火监督带来的很大的困难。各类钢构件表面究竟涂刷到多少厚度才能达到相应耐火等级规定的耐火极限就根本无法判定。

3)检测标准构件与实际工程构件差异性问题检验报告中描述的钢梁与实际工程中的钢构件并无完全的对应关系,实际使用的钢构件和标准钢梁间应该如何进行换算,如何确定实际使用的钢构件的涂层厚度,国家尚无规定。这也给日常监督与施工质量现场检测带来了很大的难题,面对各种各样的钢构件,如何来判定其涂刷后的耐火极限也没有标准可依。



1) intercalation interlayer problems referred to here refers to between two natural layer of floor, refers to the local level of building internal space. Selection of steel structure building fire prevention interlining is bound to do the steel structure. Engineering construction quality on site test, the fire resistance of laminated steel column is exactly how to determine, since there is no such standards or unified conclusion.

2) testing standard question many manufacturers of steel structure fire retardant coating type approval certificate is often do not have all of the fire endurance time or refractory limit time for the rest of the time. Fire retardant coating for steel structure engineering construction quality and daily site inspection of fire supervision and brought great difficulties. All kinds of steel members how many thickness of coating to the surface to reach the corresponding fire resistance can't decide fireproof grade rules.

3) testing standards artifacts described the differences with the actual engineering components inspection report of steel beam and steel members in practical engineering is not completely corresponding relation, the actual use of steel members and standards should be how to carry out conversion between steel beam, steel members how to determine the actual use of coating thickness, no provisions of the state. This also brings to the daily supervision and construction quality on site test a lot of problems, in the face of all kinds of steel members, how to determine the fire resistance of its besmear to brush after no standard can depend on.



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