建筑结构火灾下倒塌监测及预警技术

对我国近年来建筑结构在火灾中发生倒塌的部分典型案例及长时间火灾下未倒塌的案例进行了总结，介绍了倒塌监测及预警的流程及关键技术，总结了近年来国内外针对建筑结构火灾下的倒塌进行监测及预警的相关研究情况。分析表明，利用结构变形、温度、振动等特征参数进行倒塌监测及预警的相关研究较多，但仍处于理论研究阶段，距离实际应用仍存在很大距离；面向消防救援实战需求，便捷、易用、精准、有效的系统和多方法联用的倒塌监测及预警方法是值得关注的研究方向。

Monitoring and early warning technology of building structure collapse in fire

Some typical cases of building structure collapse in fire and buildings that did not collapse after long-term fire in China in recent years were summarized. The process and key technologies of collapse monitoring and early warning were introduced. The research situation of monitoring and early warning of building structure collapse in fire in recent years was summarized. The analysis shows that there are many related studies on collapse monitoring and early warning using structural deformation, temperature, vibration and other characteristic parameters, but it is in the stage of theoretical research, which is still far from practical application. Facing the actual needs of fire rescue, convenient, easy-to-use, accurate and effective system and multi-method combination of collapse monitoring and early warning methods are worthy of attention.