本文關(guān)鍵詞： 水電 建設(shè) 溫度控制 仿真 軟件設(shè)計(jì)　出處：《電子科技大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：大崗山水電站位于四川省雅安市石棉縣境內(nèi),是大渡河干流水電規(guī)劃的第14級(jí)電站。電站采用壩式開發(fā),其建筑物主要由擋水建筑物、消能建筑物、發(fā)電裝置等等所構(gòu)成,最大壩高210米,該工程的主要特點(diǎn)為:地質(zhì)條件復(fù)雜、地震設(shè)防烈度高、為我國(guó)目前在建的地震設(shè)防烈度最高的拱壩。大崗山水電站混凝土拱壩最大壩高210m,其壩體混凝土方量約330萬m3。大壩混凝土因水化熱的影響而出現(xiàn)溫度的升高、降低的不斷變化。但是,由于溫度的不斷變化對(duì)混凝土將產(chǎn)生極大的影響,一旦對(duì)其的監(jiān)控存在疏忽,極可能造成混凝土的裂縫、甚至是斷裂。這既影響到了水電站的整體美觀問題,也無法保障水利工程的安全性,更無法使其在預(yù)設(shè)的使用時(shí)間正常的生產(chǎn)運(yùn)營(yíng)。通過開展施工溫控措施及施工仿真研究,全面掌握溫度的相關(guān)情況,并對(duì)所收集的溫度的相關(guān)數(shù)據(jù)進(jìn)行研判,制定行之有效的、具有可操作性的應(yīng)對(duì)方案和解決預(yù)案,以更好的保障大壩混凝土的質(zhì)量和安全性,以避免出川任何可能影響水利工程整體質(zhì)量、生產(chǎn)運(yùn)營(yíng)的狀況發(fā)生。另外,根據(jù)所收集的溫度的數(shù)據(jù)情況,還應(yīng)當(dāng)作出對(duì)大崗山拱壩混凝土的整體安全情況進(jìn)行科學(xué)的分析,并作出安全性研究與評(píng)價(jià)。通常的調(diào)溫措施與施工仿真研究,主要側(cè)重于理論計(jì)算與研究,如何將仿真計(jì)算與工程實(shí)際情況相結(jié)合不是其重點(diǎn)考慮內(nèi)容。這樣帶來的困難主要體現(xiàn)在以下幾個(gè)方面:首先,仿真計(jì)算的邊界條件不能及時(shí)全面從現(xiàn)場(chǎng)一線獲取,存在偏差與滯后,無法做到實(shí)施跟蹤;其次,仿真計(jì)算的結(jié)果主要使用PPT或文檔報(bào)告的資料發(fā)布,不能及時(shí)、全面地發(fā)布與共享,指導(dǎo)施工生產(chǎn)。本項(xiàng)目建立的溫控措施與施工仿真平臺(tái),就是要將有限元仿真計(jì)算的理論成果與現(xiàn)場(chǎng)的施工生產(chǎn)緊密結(jié)合,將科研與生產(chǎn)相集成,實(shí)現(xiàn)計(jì)算分析、現(xiàn)場(chǎng)生產(chǎn)、實(shí)施監(jiān)控與動(dòng)態(tài)反饋的溫控全過程閉環(huán)管理,實(shí)現(xiàn)個(gè)性化、精細(xì)化的溫控管理,保證工程施工質(zhì)量與運(yùn)行期的安全。
[Abstract]:Dagangshan Hydropower Station, located in Shimian County, Ya'an City, Sichuan Province, is the 14th grade hydropower station in the Dadu River main stream hydropower planning. The dam type is used for the development of the power station, the buildings of which are mainly water retaining structures and energy dissipation buildings. The maximum dam height is 210 meters. The main features of the project are complex geological conditions and high seismic fortification intensity. The maximum height of concrete arch dam of Dagangshan Hydropower Station is 210 m. The concrete volume of dam body is about 3.3 million m3. Due to the effect of hydration heat, the temperature of dam concrete increases and decreases continuously. However, the continuous change of temperature will have a great impact on the concrete. Once there is negligence in monitoring it, it may lead to cracks or even fracture of concrete, which not only affects the overall aesthetic problems of hydropower stations, but also can not guarantee the safety of water conservancy projects. Through the construction temperature control measures and construction simulation research, fully grasp the temperature of the relevant situation, and collect the temperature of the relevant data to study. In order to ensure the quality and safety of dam concrete, to avoid any possible impact on the overall quality of water conservancy project, we should formulate effective and operable solutions and solutions. In addition, according to the collected temperature data, we should make a scientific analysis of the overall safety of the concrete of Dagangshan Arch Dam. And make safety research and evaluation. The usual temperature regulation measures and construction simulation research, mainly focus on theoretical calculation and research. How to combine the simulation calculation with the actual engineering situation is not the focus of its consideration. The difficulties brought by this are mainly reflected in the following aspects: first of all. The boundary conditions of the simulation can not be obtained from the field in time, there is deviation and lag, and the implementation of tracking can not be achieved. Secondly, the results of simulation calculation mainly use PPT or document report of the information release, can not timely, comprehensive release and sharing, guide construction production. This project established temperature control measures and construction simulation platform. It is necessary to combine the theoretical results of finite element simulation with the construction and production of the site, integrate scientific research and production, and realize calculation and analysis, and field production. The closed-loop management of the whole process of temperature control with monitoring and dynamic feedback is carried out to realize the individualized and fine temperature control management and to ensure the safety of the construction quality and the running period of the project.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TV642.4;TP391.9

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本文編號(hào)：1488725