spring of arch 中文意思是什麼
spring of arch
解釋
拱頂高度-
The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。 -
Winter snows, i thought, had drifted through that void arch, winter rains beaten in at those hollow casements ; for, amidst the drenched piles of rubbish, spring had cherished vegetation : grass and weed grew here and there between the stones and fallen rafters
我想，冬雪曾經飄入空空的拱門，冬雨打在沒有玻璃的窗戶上。在一堆堆濕透了的垃圾中，春意催發了草木，亂石堆中和斷梁之間，處處長出了野草。
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