现浇聚苯乙烯混凝土空心楼盖耐火性能

Xiang ZHANG,Jun-jun LIU, Da-jiang XIE

Fire Science and Technology(2015)

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Abstract
将聚苯乙烯泡沫制备成圆柱体和方箱两种芯模,依据国家标准对现浇混凝土聚苯乙烯成孔芯模空心楼板的耐火性能进行测试和评价,记录破坏程度及破坏时间.结果表明,试验过程中,聚苯乙烯成孔芯模因高温下发生熔融分解,会对现浇空心楼盖造成一定程度的损坏,损坏程度与聚苯乙烯成孔芯模体量有关;受火面聚苯乙烯芯模表面的混凝土厚度越薄,楼板的破坏程度越大.
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