基于随机荷载的引水隧洞交通钢桥疲劳荷载计算研究  

Research on Fatigue Load Calculation of Traffic Steel Bridge of Diversion Tunnel based on Random Load

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作  者:王晓文 WANG Xiao-wen(Liaoning Provincial Jianghe water conservancy and Hydropower Engineering ConstructionSupervision Co., Ltd., Donggang 118300, China)

机构地区:[1]辽宁江河水利水电工程建设监理有限公司,辽宁东港118300

出  处:《黑龙江水利科技》2021年第9期14-16,共3页Heilongjiang Hydraulic Science and Technology

摘  要:引水隧洞交通钢桥疲劳荷载是其稳定性计算的难点和重点,其疲劳荷载的准确计算对于引水隧洞设计安全稳定至关重要。文章采样随机荷载计算方法对某引水隧洞交通钢桥进行疲劳荷载试验。试验结果表明:该方法可综合考虑钢板桥的整体结构应力,疲劳荷载的计算精度要好于传统方法。Fatigue load of the traffic steel bridge of the diversion tunnel is the difficulty and key point of its stability calculation.Accurate calculation of fatigue load is very important for safety and stability of diversion tunnel design.The sampling random load calculation method is used to carry out fatigue load test on a traffic steel bridge of a diversion tunnel.The test results show that the method can comprehensively consider the overall structural stress of the steel plate bridge,and the calculation accuracy of the fatigue load is better than that of the traditional method.

关 键 词:引水隧洞 交通交通钢桥 疲劳荷载 计算精度 

分 类 号:TV672.1[水利工程—水利水电工程]

 

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