摘要：地震、火灾、爆炸等灾害荷载可能对工程结构造成严重的损害。
Abstract: Engineering structures could be destroyed by disaster loads, such as earthquake, fire, blast et al.
在灾害荷载作用下，如果小城镇工程结构的重要功能丧失，结构出现严重破坏甚至倒塌，易造成巨大的生命财产损失。
Under hazard load, the important function of engineering structure of small town is lost, the structure is destroyed seriously, even collapse, which causes enormous life and property loss.
由于外部荷载、环境浸蚀、超期服役、自然灾害、设计初始缺陷等原因，这些建筑结构普遍存在损伤现象。
Almost all of these architecture structures are subjected to damage due to external loads, environmental effect, excessive service, natural disaster, initial design defect etc.
应用推荐