【摘要】：蕪湖長(zhǎng)江公路二橋引橋是國(guó)內(nèi)首座全體外預(yù)應(yīng)力節(jié)段拼裝輕型薄壁箱型連續(xù)梁橋,工程規(guī)模宏大,實(shí)行了高度的工廠化、標(biāo)準(zhǔn)化、裝配化,保證了質(zhì)量,提高了耐久性,并能做到可檢查、可維修、可更換,為該類橋梁的運(yùn)營(yíng)養(yǎng)護(hù)提供了極大的方便。該結(jié)構(gòu)形式設(shè)計(jì)新穎,與國(guó)內(nèi)傳統(tǒng)連續(xù)梁相比具有重大的創(chuàng)新,提高了體外預(yù)應(yīng)力的使用效率,大大降低了混凝土用量,減輕了橋梁結(jié)構(gòu)自重,直接經(jīng)濟(jì)效益顯著。但是,由于國(guó)內(nèi)外針對(duì)該類橋型的相關(guān)抗震研究較少,且震害資料鮮見,尚無(wú)完整的抗震設(shè)計(jì)理論和方法,給其抗震設(shè)計(jì)和抗震構(gòu)造措施設(shè)置帶來(lái)了較大困難,會(huì)嚴(yán)重阻礙該類橋型的推廣應(yīng)用。因此,本文以蕪湖長(zhǎng)江公路二橋引橋?yàn)橐劳泄こ?針對(duì)全體外預(yù)應(yīng)力節(jié)段預(yù)制拼裝箱梁橋的抗震有限元建模、結(jié)構(gòu)動(dòng)力特性及地震響應(yīng)規(guī)律進(jìn)行深入研究,主要內(nèi)容如下:(1)掌握國(guó)內(nèi)外相關(guān)對(duì)體外預(yù)應(yīng)力橋梁、節(jié)段預(yù)制拼裝橋梁的研究狀況,特別是對(duì)動(dòng)力性能、抗震設(shè)計(jì)等方面的研究成果進(jìn)行較為全面的綜述。(2)以蕪湖長(zhǎng)江公路二橋引橋?yàn)橐劳泄こ?進(jìn)行全體外預(yù)應(yīng)力節(jié)段預(yù)制拼裝箱梁橋的實(shí)橋現(xiàn)場(chǎng)動(dòng)力特性試驗(yàn)。(3)建立全體外預(yù)應(yīng)力節(jié)段預(yù)制拼裝箱梁橋的多尺度、精細(xì)化抗震有限元建模方法。(4)通過(guò)實(shí)橋現(xiàn)場(chǎng)動(dòng)力特性試驗(yàn)數(shù)據(jù)與精細(xì)化抗震有限元模型、桿系抗震有限元模型的計(jì)算結(jié)果進(jìn)行對(duì)比分析,驗(yàn)證精細(xì)化抗震有限元建模方法的正確性,研究全體外預(yù)應(yīng)力節(jié)段預(yù)制拼裝箱梁橋動(dòng)力特性對(duì)重要設(shè)計(jì)參數(shù)的敏感度。(5)研究全體外預(yù)應(yīng)力節(jié)段預(yù)制拼裝箱梁橋的地震影響規(guī)律,特別是上部節(jié)段梁關(guān)鍵構(gòu)造可能產(chǎn)生的特殊震害。
[Abstract]:Wuhu Yangtze River Highway approach Bridge is the first light thin-wall box continuous beam bridge assembled by all external prestressed segments in China. The project is large in scale and has carried out a high degree of factory, standardization and assembly, which ensures the quality and improves the durability. It can be checked, repaired and replaced, which provides great convenience for the operation and maintenance of this kind of bridge. Compared with the traditional continuous beam in China, the design of the structure is novel, which improves the efficiency of external prestress, greatly reduces the amount of concrete, reduces the weight of the bridge structure, and has remarkable direct economic benefits. However, due to the lack of seismic research on this kind of bridge at home and abroad, and the rare seismic damage data, there is no complete seismic design theory and method, which brings great difficulties to its seismic design and seismic structural measures. It will seriously hinder the popularization and application of this kind of bridge type. Therefore, based on the approach bridge of Wuhu Yangtze River Highway, the seismic finite element modeling, structural dynamic characteristics and seismic response law of all prefabricated box girder bridges with external prestressed segments are deeply studied in this paper. The main contents are as follows: (1) to master the research status of external prestressed bridges and segmental prefabricated bridges at home and abroad, especially for dynamic performance. The research results of seismic design are summarized comprehensively. (2) based on the approach bridge of Wuhu Yangtze River Highway, The field dynamic characteristics test of all prefabricated box girder bridges with external prestressed segments is carried out. (3) the multi-scale of prefabricated assembled box girder bridges with all external prestressed segments is established. Fine seismic finite element modeling method. (4) the calculation results of fine seismic finite element model and rod system seismic finite element model are compared and analyzed by comparing the field dynamic characteristic test data of real bridge with the calculation results of fine seismic finite element model and rod system seismic finite element model. The correctness of the fine seismic finite element modeling method is verified. The sensitivity of the dynamic characteristics of all prefabricated box girder bridges to important design parameters is studied. (5) the seismic influence of all prefabricated assembled box girder bridges with external prestressed segments is studied. Especially the special earthquake damage caused by the key structure of the upper segmental beam.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：U442.55;U448.213

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 鄭和暉;王敏;巫興發(fā);;節(jié)段預(yù)制拼裝波形鋼腹板組合梁整體受力性能試驗(yàn)研究[J];中外公路;2017年01期

2 方德平;;體外預(yù)應(yīng)力連續(xù)梁動(dòng)力特性的等效剛度分析法[J];地震工程與工程振動(dòng);2014年06期

3 劉安雙;馬振棟;;預(yù)制節(jié)段拼裝橋梁在城市軌道交通中的應(yīng)用[J];公路交通技術(shù);2014年05期

4 石魯寧;閆維明;何浩祥;陳彥江;;多跨體外預(yù)應(yīng)力連續(xù)梁動(dòng)力特性研究-模態(tài)解析解[J];振動(dòng)與沖擊;2014年16期

5 方德平;王全鳳;;體外預(yù)應(yīng)力梁動(dòng)力特性的能量法分析[J];振動(dòng)與沖擊;2012年01期

6 楊竟南;陳海平;方偉;;體外預(yù)應(yīng)力鋼箱梁橋的力學(xué)性能[J];中外公路;2011年06期

7 楊永強(qiáng);謝禮立;李明;胡進(jìn)軍;;汶川地震垂直和平行斷層方向地震動(dòng)特征差異[J];西南交通大學(xué)學(xué)報(bào);2011年02期

8 趙英爽;;預(yù)制節(jié)段懸臂拼裝法施工技術(shù)[J];施工技術(shù);2008年01期

9 張耀庭;蔡利建;;基于攝動(dòng)法的體外預(yù)應(yīng)力梁基頻分析[J];華中科技大學(xué)學(xué)報(bào)(自然科學(xué)版);2006年06期

10 熊學(xué)玉,王壽生;體外預(yù)應(yīng)力梁振動(dòng)特性的分析與研究[J];地震工程與工程振動(dòng);2005年02期

相關(guān)會(huì)議論文 前1條

1 何維利;;城市橋梁預(yù)制節(jié)段拼裝技術(shù)研究[A];中國(guó)公路學(xué)會(huì)橋梁和結(jié)構(gòu)工程分會(huì)2005年全國(guó)橋梁學(xué)術(shù)會(huì)議論文集[C];2005年

相關(guān)博士學(xué)位論文 前2條

1 徐龍軍;統(tǒng)一抗震設(shè)計(jì)譜理論及其應(yīng)用[D];哈爾濱工業(yè)大學(xué);2006年

2 熊輝霞;體外預(yù)應(yīng)力混凝土簡(jiǎn)支梁的動(dòng)力試驗(yàn)與理論分析[D];華中科技大學(xué);2009年

相關(guān)碩士學(xué)位論文 前8條

1 李揚(yáng);預(yù)制拼裝橋墩梁式橋地震反應(yīng)分析及減隔震措施研究[D];長(zhǎng)安大學(xué);2016年

2 代小龍;預(yù)應(yīng)力節(jié)段拼裝墩擬靜力試驗(yàn)和分析研究[D];重慶交通大學(xué);2015年

3 查彥宇;72m活性粉末混凝土預(yù)制節(jié)段拼裝體外預(yù)應(yīng)力簡(jiǎn)支箱梁受力特性研究[D];北京交通大學(xué);2014年

4 戴厚軍;體外預(yù)應(yīng)力連續(xù)鋼箱梁橋抗震性能分析[D];武漢理工大學(xué);2014年

5 王英;城市橋梁預(yù)制箱梁節(jié)段拼裝關(guān)鍵技術(shù)的研究[D];西南交通大學(xué);2011年

6 趙霞;預(yù)制節(jié)段體外預(yù)應(yīng)力混凝土梁橋設(shè)計(jì)中有關(guān)問(wèn)題的研究[D];武漢理工大學(xué);2006年

7 王壽生;體外預(yù)應(yīng)力混凝土梁體系振動(dòng)問(wèn)題與正常使用性能研究[D];同濟(jì)大學(xué);2006年

8 李學(xué)斌;預(yù)制節(jié)段拼裝體外預(yù)應(yīng)力混凝土箱梁受力特性研究[D];鐵道部科學(xué)研究院;2003年

，

本文編號(hào)：2486709