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分析了地震烈度为6度区连续刚构桥不同边、中跨比及不同墩高时地震作用下产生的支座水平力,表明低烈度区地震作用产生的支座水平力仍然很大,如果按静力计算选择的支座型号在E2地震作用组合下支座很大程度上都会破坏,应引起桥梁设计师对类似桥梁设计支座选择的重视。
The horizontal bearing force produced by the earthquake with different sides, midspan ratio and different pier height of 6-degree continuous rigid frame bridge with earthquake intensity is analyzed. It shows that the horizontal force of bearing produced by the earthquake in low intensity region is still very large. If Bearing models selected according to the static calculation will be destroyed to a great extent under the combination of E2 earthquakes and should lead bridge designers to pay attention to the selection of similar bridge design supports.