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“3·10”盈江地震发生后,架空供水主管节点遭到了破坏,导致震后供水障碍。运用SAP2000软件模拟了地震作用下管道的受力、变形等情况,并运用有限元软件ANSYS对法兰盘进行了局部受力分析,总结出供水主管节点的破坏机理。针对破坏机理,提出了带橡胶垫层的槽型管道支架的抗震加固方式,并利用ANSYS软件研究了带橡胶垫层与不带橡胶垫的槽型支座在节点位移、速度、应力以及相邻节点位移差值上的区别。
“3.10 ” After the occurrence of the Yingjiang earthquake, the overhead water supply supervisory node was destroyed, causing water supply obstacles after the earthquake. Using SAP2000 software to simulate the stress and deformation of the pipeline under earthquake and using finite element software ANSYS to analyze the local stress on the flange and summarize the failure mechanism of the water supply supervisor node. Aiming at the failure mechanism, a seismic strengthening method of slotted pipe support with rubber cushion was proposed. ANSYS software was used to study the displacement, velocity, stress and the distance between the groove bearing with rubber cushion and without rubber pad Difference in node displacement difference.