摘要
Abstract
The bridge general finite element analysis software Midas Civil 2021 and midas Civil Designer is used to check the overturning of the single pier bridge of the B ramp bridge of the roller dam hub.Three reinforcement schemes are proposed according to the test calculation re-sults,and the optimal scheme is selected through comparative analysis.The calculation results show that in the characteristic state 1,although a support is empty,the bridge structure system is still stable and will not overturn.In the characteristic state 2,the stability coefficient of the bridge against overturning is 4.54,which meets the specification requirements.In order to ensure the higher safety of the bridge,the reinforce-ment scheme including the addition of pull rod and cover beam support is proposed.After the implementation,the anti-overturning coefficient of the bridge is increased to 6.1.The single column pier bridge of the B ramp bridge of the water roller dam hub meets the requirements of the current specifications,but in order to improve its anti-overturning ability and ensure driving safety,a comprehensive reinforcement design scheme is recommended and implemented.关键词
桥梁工程/独柱墩桥墩/抗倾覆验算/加固设计方案Key words
Bridge engineering/Single-column pier pier/Anti-overturning test calculation/Reinforcement design scheme分类
交通工程
