composite beam bridge 中文意思是什麼
composite beam bridge
解釋
聯合梁橋-
Monitoring and research scheme for a continuous composite box beam bridge with construction by stages
分階段施工合成連續箱梁橋的監測研究方案 -
Abstract : the paper introduces the erection of the steel box girder of a long - span steel box - concrete composite bridge using broad double guide beam without affecting the normal operation of electrified railway and marshalling yard under the bridge, including construction plan, design of gantry crane and guide beam, as well as key points of construction technology
文摘:介紹在保證電氣化鐵路、編組站場正常運營情況下，運用寬幅式雙導梁解決大跨度鋼箱混凝土結合梁橋的鋼箱梁架設技術難題，重點闡述了施工方案，龍門吊、導梁設計，工藝要點等。 -
The analytical example is min - river cable - stayed bridge, which is the third longest cable - stayed bridge and the longest composite beam cable - stayed bridge in the world, with main span 605m. the paper set up a 3d model of the bridge with ansys finite element program, considering the geometrical and material non - linearity
以青州閩江大橋這座主跨長605m的大跨度疊合梁斜拉橋為例，利用ansys大型通用程序建立成橋階段、懸臂階段的空間模型，在計算中考慮了材料非線性和幾何非線性的影響。 -
Therefore, it might be very essential to study the cable stayed bridge of the super breadth composite beam. additionally, the main problems of the study are as follows : 5 、 the distributing for stress of lengthways and transverse in transect ; 6 、 discussing the change of stress of lengthways and transverse, while the breadth of bridge is changing ; 7 、 in the cable stayed bridge of the super breadth composite beam, the lengthways reinforce rib and rigidity crossbeam exert influence on stress of bridge board ; 8 、 while tower and beam are concretion, main tower affects bridge board
鑒于目前關於此類橋型研究成果不多，就此作了下列若干問題的研究： 1 、超寬疊合梁斜拉橋橫斷面上縱向應力分佈和橫向應力分佈特點的研究； 2 、對超寬疊合梁斜拉橋隨著橋寬變化時，上述兩種應力分佈變化規律進行探討； 3 、在超寬疊合梁斜拉橋中，縱向加勁肋對橋面板受力的影響；橫梁尤其是剛性橫梁在橋面板受力中所起的作用； 4 、塔梁固結時，主塔對橋面板的作用。 -
Relied on the scientific research fund project of the guangdong communication department : " the application research of high strength concrete in ultra - thin beam bridge ", the double - prestress ultra - thin beam composite structure is presented creatively by my tutor prof. shao xudong in the course of studying the ultra - thin beam bridge
本文依託于廣東省交通廳科研基金項目《高強混凝土在超薄梁橋中的應用研究》 ，本人導師邵旭東教授在超薄梁橋研究過程中創造性的提出了二次預應力超薄梁組合結構。 -
Firstly, routine analyses such as dynamic modal analysis 、 response spectrum analysis 、 buckling analysis were used to analyze the bridge. secondly, only little number of studies dealing with the bridges like kunyu river cable stayed bridge which is the cable stayed bridge of the super breadth composite beam have been reported so far
首先對昆玉河斜拉橋做了動力模態分析、反應譜分析、主塔及全橋穩定性分析等常規分析。考慮到此座橋型的結構特點即超寬疊合梁。 -
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。
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