hollow-section strand 中文意思是什麼

hollow-section strand 解釋
空心股線
  • hollow : vt 使成凹形,使成空洞,挖空 (out)。 river banks hollowed out by rushing water 被流水掏空的河岸...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  • strand : n 1 〈詩〉(海、湖、河等的)濱,岸,灘。2 〈the S 〉 (倫敦的)河濱馬路。vt vi 1 (使)(船等)觸...
  1. The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation , uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction

    但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難;塔柱多為空心變截面,且為高空作業,給模板工程及預應力張拉帶來一定困難;支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫;索塔施工偏位會引起的承臺和基礎的附加應力,對加勁梁的架設影響大;懸吊結構未完體系(架設時)施工階段的風致振動往往影響到施工的安全和質量;實心塔柱部分體積較大,易產生溫度裂縫。
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