precast segmental element 中文意思是什麼
precast segmental element
解釋
預制節段-
In the thesis, 3d finite element, models ( fem ) of the precast segmental box girders are established with contact elements, which may simulate the interactions between the joints. the influences of material nonlinearity of concrete and geometric nonlinearity of structure are also taken into account in the computed models
針對預制節段干接縫拼裝梁存在接縫的特點,採用接觸單元模擬接縫間的相互作用,解決了預制節段拼裝梁建模的關鍵問題,並在計算模型中考慮了混凝土材料非線性和結構幾何非線性的影響。
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