【摘要】：我國(guó)交通運(yùn)輸情況的改善,對(duì)促進(jìn)經(jīng)濟(jì)發(fā)展、方便人們生活等方面都有十分重要的意義。為了充分利用有限的空間,在新建橋梁時(shí)不可避免的會(huì)跨越復(fù)雜的地形(如山谷、河流)和既有線路。橋梁轉(zhuǎn)體施工技術(shù)為山區(qū)橋梁工程建設(shè)打開了新的思路,并且很好的解決了在橋梁施工過程中對(duì)已建成并投入運(yùn)營(yíng)使用的鐵路、公路的通行情況的阻斷問題,優(yōu)點(diǎn)得到了極大的肯定,在現(xiàn)代橋梁工程中當(dāng)中已經(jīng)得到了廣泛的應(yīng)用。本文以太原市澗河立交T型剛構(gòu)橋?yàn)楸尘?對(duì)轉(zhuǎn)體施工監(jiān)控中的關(guān)鍵因素作相關(guān)分析。論文主要研究方面包括：(1)介紹現(xiàn)代橋梁施工監(jiān)控的理論,包括施工監(jiān)控的原則、內(nèi)容、方法、結(jié)構(gòu)的各種計(jì)算分析方法和影響監(jiān)控的因素。(2)建模分析太原市澗河立交T型剛構(gòu)橋,對(duì)各施工階段進(jìn)行合理的幾何線型監(jiān)控和應(yīng)力監(jiān)控,并且分析監(jiān)控成果,得出結(jié)論。(3)比較分析實(shí)際工程中常用的球鉸轉(zhuǎn)動(dòng)法和懸臂根部應(yīng)力估算法這兩種不同的不平衡彎矩計(jì)算方法的優(yōu)缺點(diǎn),并通過轉(zhuǎn)體稱重試驗(yàn)得到相關(guān)數(shù)據(jù)。(4)對(duì)轉(zhuǎn)體施工中關(guān)鍵的轉(zhuǎn)動(dòng)系統(tǒng)進(jìn)行相關(guān)靜力分析,得出其應(yīng)力分布情況,為將來轉(zhuǎn)體施工中轉(zhuǎn)盤的設(shè)計(jì)提供了一定的參考。
[Abstract]:The improvement of transportation situation in China is of great significance in promoting economic development and facilitating people's life. In order to make full use of the limited space, it is inevitable to cross complex terrain (such as valleys, rivers) and existing lines when building bridges. The technology of bridge rotation construction has opened a new way of thinking for the bridge construction in mountainous area, and has solved the problem of blocking the traffic of the railway and highway that have been built and put into operation in the process of bridge construction. The advantages have been greatly affirmed, and have been widely used in modern bridge engineering. Based on Taiyuan Jianhe Interchange T-type rigid frame bridge, this paper analyzes the key factors in the monitoring of rotary construction. The main research aspects of this paper are as follows: (1) introduce the theory of modern bridge construction monitoring, including the principle, content and method of construction monitoring, Various calculation and analysis methods of structure and factors affecting monitoring. (2) Modeling and analysis of Jianhe interchange T-type rigid frame bridge in Taiyuan City, reasonable geometric line monitoring and stress monitoring for each construction stage, and analysis of monitoring results. The conclusion is drawn. (3) the advantages and disadvantages of the spherical hinge rotation method and the cantilever root stress estimation method, which are commonly used in practical engineering, are compared and analyzed. And the relevant data are obtained through the rotating weighing test. (4) the key rotating system in the rotary construction is analyzed by static correlation, and the stress distribution is obtained, which provides a certain reference for the design of the rotary disc in the future.
【學(xué)位授予單位】：西南交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：U445.465

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