火灾后混凝土结构检测鉴定与加固设计

建筑火灾的发生直接危害人类的生命财产,同时对建筑结构本身产生不利影响。钢筋混凝土结构在遭受火灾后,结构材料性能发生变化,受损构件的承载力、变形、耐久性、抗震性能受到不同程度的削弱,混凝土结构的可靠性大大降低。因此,火灾后混凝土结构检测鉴定和加固设计成为亟待解决的实际问题。文章结合工程实例,介绍火灾后现场调查、检测鉴定以及加固设计,为日后实际工程提供参考。

Detection,Appraisal and Strengthening Design of Concrete Structure after Fire

The occurrence of building fire can endanger human life and prope effect on the structure itself at the same time. Material properties get changed rty directly, and has an adverse when fire happens in concrete weakened in different degrees and the reliability of concrete structure is greatly reduced. So, the detection, appraisal and strengthening design of concrete structure after fire become practical problems which need to be solved urgently. In this paper, examples of specific projects are quoted, focusing on the field investigation, detection, appraisal and strengthening design of concrete after fire, and the research results will provide some reference for future practical engineering.