约束构件抗火性能和抗火设计是近年国内外相关学者关注的热点之一.笔者简要介绍了约束构件(包括约束梁、约束柱)抗火性能所取得的成果,总结了约束构件在火灾下的工作行为、抗火性能研究以及抗火设计方法的进展,指出了约束构件抗火研究目前存在的主要问题,并对下一步工作进行了展望.
The fire-resistance design of restrained structure ant its performance have been one of the hot topics in academia at home and abroad in recent years.This paper briefly reviews and summarizes the recent progress on the fire-resistance performance of restrained beam and restrained column,and a number of issues on the fire-resistance performance of restrained structure are addressed.