bridges in beijing 中文意思是什麼
bridges in beijing
解釋
北京橋梁-
The imperial city in beijing contained elaborate pleasure gardens with trees, artificial lakes and hillocks, bridges, and pavilions
北京的皇城中擁有眾多賞心悅目的花園，花園中有樹木，人工湖和假山，橋、亭等。 -
In connection with the practice of rehabilitation of maju elevated bridge on the 2nd - loop way in beijing, the application of the relevant new technics and new materials in reforming and seismic - strengthening of the existing bridges are briefly introduced
結合北京市公路二環馬駒橋立交橋改建的工程實踐，簡要介紹有關新技術新材料在橋梁改建和抗震加固方面的應用。 -
In this thesis, on the basis of the existing successful designs. taking the railway concrete - filled steel tubular x - arch bridge, the first of its kind. in the jiuqu river in the artery running from beijing to shanghai, as an example, the author made a summary of main parameters necessary to design of these bridges, made a comparison between existing calculation three models and performed the internal force calculation, carried out the stability analysis of the bridge under and after construction, discussed the effects of the numbers and positions of the lateral braces on the stability, and also, in the last part, gave out part dynamic analysis result
本文以我國第一座鐵路鋼管混凝土拱橋? ?京滬線九曲河提籃拱橋為背景，在搜集已有的拱橋的設計資料的基礎之上，對鋼管混凝土拱橋的主要設計參數進行了歸納和總結；對九曲河鐵路提籃拱橋的簡化計算模型進行了比較並用簡化模型進行了內力分析；對拱橋在施工期間的穩定性和成橋后的穩定性作了計算，討論了橫撐的位置和數目對拱橋的穩定性的影響；對拱橋的自振特性作了分析。
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