本文選題：剛構(gòu)橋　切入點(diǎn)：施工監(jiān)控　出處：《長(zhǎng)安大學(xué)》2014年碩士論文

【摘要】：隨著預(yù)應(yīng)力混凝土連續(xù)剛構(gòu)橋的應(yīng)用越來越廣，跨徑越來越大，墩高越來越高，設(shè)計(jì)和施工風(fēng)險(xiǎn)也相應(yīng)的增大，特別是橋梁施工期和運(yùn)營(yíng)期事故頻繁發(fā)生，，為了加強(qiáng)公路橋梁工程的質(zhì)量、安全管理，優(yōu)化工程建設(shè)方案，避免工程事故的發(fā)生，提高工程建設(shè)安全性，同時(shí)為了保證剛構(gòu)橋梁施工安全，必須施工過程，特別是對(duì)主梁懸澆的整個(gè)過程進(jìn)行施工監(jiān)控，根據(jù)公路橋涵設(shè)計(jì)規(guī)范進(jìn)行結(jié)構(gòu)驗(yàn)算，對(duì)施工方案模擬分析，對(duì)其可行性做出評(píng)價(jià)，并提出合理建議，實(shí)時(shí)監(jiān)測(cè)結(jié)構(gòu)的應(yīng)力、溫度、幾何狀態(tài)，提供安全預(yù)警，提出施工調(diào)整值，確保結(jié)構(gòu)應(yīng)力、線形符合設(shè)計(jì)要求。 以漢江大橋?yàn)閷?shí)例，通過建立其變形、應(yīng)力的監(jiān)控系統(tǒng)設(shè)計(jì)，對(duì)橋梁結(jié)構(gòu)進(jìn)行仿真計(jì)算，并對(duì)懸臂澆筑施工中進(jìn)行結(jié)構(gòu)變形控制、結(jié)構(gòu)應(yīng)力控制、結(jié)構(gòu)穩(wěn)定控制、結(jié)構(gòu)安全控制，形成一套完整的監(jiān)控方法和監(jiān)控技術(shù)。
[Abstract]:With the application of prestressed concrete continuous rigid frame bridge is more and more extensive, the span is larger and bigger, the pier height is higher and higher, the design and construction risk also increases correspondingly, especially the bridge construction period and the operation period accident frequently occurs. In order to strengthen the quality and safety management of highway bridge engineering, optimize the project construction scheme, avoid the occurrence of engineering accidents, and improve the safety of engineering construction, in order to ensure the construction safety of rigid frame bridge, the construction process must be ensured. Especially, the construction monitoring of the whole process of the main beam is carried out, the structural checking calculation is carried out according to the design code of the highway bridge and culvert, the simulation analysis of the construction scheme is made, the feasibility of the construction scheme is evaluated, and reasonable suggestions are put forward to monitor the stress of the structure in real time. Temperature, geometric state, provide safety warning, put forward the construction adjustment value to ensure that the structural stress and alignment meet the design requirements. Taking Hanjiang Bridge as an example, through the design of monitoring system of deformation and stress, the bridge structure is simulated and calculated, and the structural deformation control, structural stress control and structural stability control are carried out in the construction of cantilever pouring. Structure safety control, form a set of complete monitoring method and monitoring technology.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U448.23;U445

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