span centre 中文意思是什麼

span centre 解釋
跨距中點
  • span : n 1 一?〈手指張開時，拇指尖至小指尖的長度，通常九英寸〉。2 （常有短的涵義的）一段時間；很小的間隔...
  • centre : n 1 中心；中心點；圓心；中央；中樞，核心；中心人物；根源，起源。2 〈常C 〉（政治上的）中間派。3 ...
  1. 6 maximum span centre to supports of psb shall be 60. 96mm ( 200 ’ - 0 ” )

    鋼架橋最大跨度中心到支柱的距離是6090毫米（ 200英尺） 。
  2. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
  3. A 1. 1 km road connecting the eastern portal of nam wan tunnel with stonecutters bridge east tsing yi viaduct ; a 1. 6 km high level bridge, with a centre span of 1, 018 m, crossing rambler channel stonecutters bridge

    一條1 . 1公里長的行車道，將南灣隧道東面隧道入口連接位於青衣島東南部的昂船洲大橋青衣東高架道
  4. 2. the relation between stress ratio and span centre deflection is linear, and when the stress ratio is large, the increase of mid - span deflection by cycle index is small. the smaller the stress ratio is, the larger the increase of span centre deflection by cycle index is

    （ 2 ）應力比對跨中撓度的影響呈線形關系，且應力比較大時，跨中撓度隨循環次數的增長相對較小;應力比較小時，跨中撓度隨循環次數的增長相對較大。
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