鐵路路基寬度 的英文怎麼說
中文拼音 [tiělùlùjīkuāndù]
鐵路路基寬度
英文
width of railway subgrade formation-
The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges
基於列車-橋梁時變系統隨機振動分析理論，按照橋上列車脫軌安全系數和司機、旅客舒適度的要求，對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析，對鐵路連續鋼桁梁橋的設計具有一定的參考作用。In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably, this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam. on the basis of above works, this thesis improves computation method in analysis of railway preflex composite beam on sectional stress, deflection of mid - span, crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas ", which is adapt to railway bridges in our country. moreover it makes a primary research in construction techniques and structure measures
為了迅速促進預彎組合梁在我國鐵路橋梁中的發展，合理地進行我國鐵路預彎組合梁橋的設計和施工，本文結合鐵道部科技研究開發項目「鐵路預彎組合梁的實驗與應用研究」 ，在總結以往對預彎組合梁力學性能研究成果及實際工程的基礎上，完善了鐵路預彎組合梁的截面應力、跨中撓度、裂縫寬度和抗剪分析的計算方法；編制了適用於我國鐵路橋梁的「預彎組合梁橋結構分析系統? ? pfsas 」軟體；並對預彎組合梁的施工工藝及構造措施進行了初步探索。What are the major land uses on criii ? a19. major land uses on criii include a wide waterfront promenade, the new star ferry piers and public piers, a " comprehensive development area " site for low to medium rise commercial development with pedestrian landscaped deck, a " government, institutional or community " site, some waterfront related commercial and leisure uses and key transport infrastructure including road p2 at grade, cwb underground, airport railway extended overrun tunnel and nil underground
中區填海第三期工程所得土地的主要用途，包括寬闊的海濱長廊新的天星碼頭及公眾碼頭"綜合發展區"內的中低高度商業樓宇及園景行人平臺"政府機構或社區"用地與海傍有關的商業及休憩用地以及主要運輸基建設施包括p2道路網地面中環灣仔繞道地下機場鐵路掉車隧道的延部份及地鐵港島北線地下。
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