extreme span 中文意思是什麼
extreme span
解釋
全翼展-
Wind tunnel investigation of large span flat roof was carried out. mean local shape factor and extreme local shape factor distributed on the roof of the structure with two exposures are measured. effects of terrain exposures on the mean local shape factor and extreme local shape factor are discussed
然而，對于大多數的屋蓋結構，由於其自身結構和風荷載的復雜性，我國的有關荷載規范中並沒有這方面的建議條文，因此對于大跨度屋蓋結構風荷載特性的研究，已成為一項急需進行的重要課題。 -
In staged construction process, study is primarily aimed at the truss load resistance capacity and flexural performance under construction and design load, combination performances of steel trusses in conjunction with concrete beam, the vertical displacement difference of two steel trusses with different span and their lateral stability, the glide displacement of the steel truss end during construction, the load resistance performance of steel trusses and concrete structure at the designed load, and the extreme limit loads and the breaking appearance of the combined steel trusses
主要研究了在階段施工過程中，鋼桁架在施工荷載及設計荷載下的受力性能和變形能力；鋼桁架與混凝土梁板的共同工作性能；兩榀不等跨鋼桁架在整體受力下的豎向位移差及其對結構的作用和側向穩定性；鋼桁架端部在施工階段的滑動情況；使用階段鋼桁架及其端部混凝土結構的受力性能；組合鋼桁架結構的極限承載力和破壞形態。
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