本文選題：波形鋼腹板 + 連續(xù)剛構(gòu)橋��； 參考：《重慶交通大學(xué)》2015年碩士論文

【摘要】：波形鋼腹板PC組合箱梁是一種用波形鋼腹板替代普通箱梁的混凝土腹板的新型鋼一預(yù)應(yīng)力混凝土組合結(jié)構(gòu)。工程實踐表明,中、大跨徑的橋梁懫用波形鋼腹板PC組合箱梁結(jié)構(gòu)能夠減輕橋梁上部結(jié)構(gòu)的重量,能顯著降低地震激勵的作用效果,能一定程度上提高橋梁的抗震性能。所以,波形鋼腹板PC組合箱梁橋在地震多發(fā)區(qū)域的應(yīng)用前景十分廣闊。本文為重慶市科委項目“波形鋼腹板PC組合箱梁連續(xù)剛構(gòu)橋設(shè)計施工關(guān)鍵技術(shù)研究”和重慶市建委項目“波形鋼腹板PC組合箱梁連續(xù)剛構(gòu)橋建設(shè)成套技術(shù)研究”的一部分。近年來國內(nèi)發(fā)生幾次大地震,地震給我們帶來了十分慘重的教訓(xùn),特別是作為生命線工程的橋梁的抗震性能也越發(fā)受到人們的重視。為了盡量減小地震對橋梁產(chǎn)生的危害,本文對波形鋼腹板PC組合箱梁連續(xù)剛構(gòu)橋進(jìn)行了動力特性及抗震性能分析。在此,本文進(jìn)行了如下幾方面的工作:①本文論述了波形鋼腹板PC箱梁橋的發(fā)展概況及其技術(shù)特點,并且分析了現(xiàn)階段波形鋼腹板組合箱梁動力特性及抗震性能的研究現(xiàn)狀,針對現(xiàn)階段研究現(xiàn)狀和研究課題提出本文研究問題。②在理論基礎(chǔ)上以花天河大橋波形鋼腹板PC組合箱梁連續(xù)剛構(gòu)設(shè)計方案為研究對象,利用有限元結(jié)構(gòu)分析軟件Midas Civil對其進(jìn)行了動力特性分析,并與普通混凝土PC連續(xù)剛構(gòu)橋進(jìn)行了對比分析;另外,本文又對截面參數(shù)對對波形鋼腹板連續(xù)剛構(gòu)橋動力性能的影響進(jìn)行了研究,分別對波形鋼腹板水平面板和折疊角不同的大小下橋梁的動力性能進(jìn)行了分析。③分別用反應(yīng)譜法和動態(tài)時程分析法對花天河大橋波形鋼腹板方案進(jìn)行了地震相應(yīng)分析,同時對比分析了其與普通混凝土剛構(gòu)橋方案的地震響應(yīng)的差異;并且比較分析了花天河大橋波形鋼腹板方案在兩種分析方法下地震相應(yīng)的不同。
[Abstract]:PC composite box girder with corrugated steel webs is a new type of steel-prestressed concrete composite structure which uses corrugated steel web to replace ordinary box girder. The engineering practice shows that the PC composite box girder structure with corrugated steel webs for medium and long span bridges can reduce the weight of the superstructure of the bridge, reduce the effect of earthquake excitation, and improve the seismic performance of the bridge to a certain extent. Therefore, PC composite box girder bridge with corrugated steel webs has a broad application prospect in earthquake prone areas. This paper is a part of the project of Chongqing Science and Technology Commission, "study on key Technology of Design and Construction of continuous rigid frame Bridge with corrugated Steel Web PC Composite Box girder" and "Construction Technology Research of PC Composite Box girder continuous rigid frame Bridge with Waveform Steel webs" of Chongqing Construction Commission. In recent years, there have been several major earthquakes in China, which have brought us a very heavy lesson, especially the seismic performance of bridges as lifeline engineering has been paid more and more attention. In order to reduce the damage caused by earthquake to the bridge, the dynamic characteristics and seismic behavior of continuous rigid frame bridge with PC composite box girder with corrugated steel web are analyzed in this paper. In this paper, the development and technical characteristics of corrugated steel web PC box girder bridge are discussed, and the present research status of dynamic characteristics and seismic performance of corrugated steel web composite box girder are analyzed. In view of the present research situation and research topic, this paper puts forward the research problem.2 on the basis of theory, the continuous rigid frame design scheme of PC composite box girder with corrugated steel web of Huatianhe Bridge is taken as the research object. The dynamic characteristics of the bridge are analyzed by the finite element structure analysis software Midas Civil, and compared with the ordinary concrete PC continuous rigid frame bridge. In this paper, the influence of section parameters on the dynamic performance of continuous rigid frame bridge with corrugated steel web is studied. The dynamic performance of bridges with different sizes of corrugated steel web panels and folding angles is analyzed respectively. 3. The seismic response spectrum method and dynamic time history analysis method are used to analyze the seismic behavior of the corrugated steel web of Huatianhe Bridge. At the same time, the difference between the seismic response of the bridge and the ordinary concrete rigid frame bridge is analyzed, and the difference of seismic response between the corrugated steel web plate scheme of Huatianhe Bridge and that of the ordinary concrete rigid frame bridge is analyzed.
【學(xué)位授予單位】：重慶交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：U441.3;U448.216

【共引文獻(xiàn)】

相關(guān)期刊論文 前10條

1 李鴻濱,楊成斌;廣東揭陽榕東大橋抗震咨詢設(shè)計[J];合肥工業(yè)大學(xué)學(xué)報(自然科學(xué)版);2004年09期

2 王U，

本文編號：2047542