贵州某I型梁桥事故发生后桥梁技术状况评定  

Assessment of Bridge Technological Status after a I-beam Bridge Accident in Guizhou

作　　者：余崇勇[1] 苏龙[1] 胡章立 

机构地区：[1]贵州省交通规划勘察设计研究院股份有限公司,贵州贵阳550001 [2]贵州省建筑设计研究院,贵州贵阳550002

出　　处：《城市道桥与防洪》2012年第6期141-143,146,共4页Urban Roads Bridges & Flood Control

摘　　要：该文以贵州省贵新高速马场坪收费站附近修理厂炸药爆炸突发事件对附近某I型梁桥的影响程度评估为工程背景,重点对事故影响范围、桥梁结构病害及荷载试验进行了分析和检测。检测结果表明该爆炸事故对该桥的影响较小,但该桥原有病害较多,评定为三类桥,必须对相关病害进行维修和处理。Taking the impact assessment of explosive accident in a repair factory near Machangping Toll Station of Guixin Expressway in Guizhou Province on a nearby T-beam bridge as the engineering background,the article focuses analysis and inspection test on the accident impact range,bridge structural fault and load test.The inspection test result shows that this explosive accident impacts on this bridge a little,but there are more existing faults in this bridge,which is assessed as Class-III Bridge,and the relative faults have to be maintained and treated.

关 键 词：桥梁事故 炸药爆炸 冲击波 荷载试验 贵州省 

分 类 号：U447[建筑科学—桥梁与隧道工程]