建筑构件耐火等效期限的探讨中国建筑科学研究院建筑防火研究部李引擎为了确保建筑结构在规定的时间内不因火灾高温的作用而出现倒塌，必须对结构构件的耐火性能进行检验与确定。目前国内外的建筑防火规范都对构件的耐火度做了相应的规定。一、问题的提出在我国的建筑防火... Discussion on the fire-resistant equivalent duration of building components The Li Engine of the Building Fire Prevention Research Department of the Chinese Academy of Building Research In order to ensure that the building structure does not collapse due to the high temperature of the fire within the specified time, the fire resistance of the structural members must be inspected and determined. At present, domestic and foreign building fire protection specifications have made corresponding provisions for the refractoriness of components. First, the issue raised in our country’s building fire...