circular arch meaning in English

圆拱；弧拱
圆弧拱

In - plane nonlinear dynamic analysis of circular arches
圆弧拱的面内非线性动力学分析
Comparison of the instable periodic heat transfer calculation of semi - circular arch and flat roof
半圆形拱顶与平拱顶周期非稳态传热计算
Theorem 4 . 2 for the circular arch problem , the solution of shooting method is stable for the parameter
2对圆拱问题，打靶法的解对小参数0稳定，即locking现象消失
Circular arch is rational for big rise - span ratio , but each has his strong point for small rise - span ratio . ( 3 ) the common used rise - span ratios are 1 / 6 - 1 / 12 . by the decrease of rise - span ratio , the internal forces are increasing linearly except of the moment of open spandrel beam
( 3 )空腹式刚架拱桥的矢跨比一般为1 6 1 12 ，随着矢跨比的减小，除了空腹段加劲梁的弯矩值线性减小外，其余截面的内力值均为线性增大。