圆弧拱 meaning in English

circular arch

In - plane nonlinear dynamic analysis of circular arches
圆弧拱的面内非线性动力学分析
The surrounding rocks of arched roadways are much more stable than that of rectangular roadways
圆弧拱巷道围岩稳定性要远大于矩形巷道。
In summarizes the predecessor to the segmental arch surface and outside in flexure critical load computational method foundation , with the principle of the minimum potential energy , an analytical solution for the lateral critical bucking load of cable stayed arch bridge is studied
在总结前人对圆弧拱的面内,面外屈曲临界荷载计算方法的基础上,利用能量法,推导了斜拉拱桥的侧倾临界荷载计算公式。
That the arched roadway with the ratio of 0 . 2 between arch rise and roadway width is substituted fur rectangular roadway can obviously improve the stress state of roadway surrounding rocks , reduce the deformation and the plastic yield area of roadway surrounding rocks , greatly strengthening the stability of roadway surrounding rocks
采用矢跨比为0 . 2的圆弧拱巷道代替矩形巷道，可显著改善巷道围岩应力状况，减小巷道围岩变形量，减少围岩塑性屈服区域，加强巷道围岩的稳定性。