circular rise 中文意思是什麼
circular rise
解釋
循環上漲-
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 )空腹式剛架拱橋的矢跨比一般為1 6 1 12 ,隨著矢跨比的減小,除了空腹段加勁梁的彎矩值線性減小外,其餘截面的內力值均為線性增大。
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