水电工程地下厂房数据库系统的开发及应用

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Abstract Based on the rich engineering data of hundreds of underground powerhouses which are accumulated by our team，SQL Server 2005 is used as design tool and C# programming language is selected as front-end development tool to develop the database system of underground powerhouse，achieving the purposes of data storage，retrieval，statistics，analysis of significant design parameters of underground powerhouse and the results of stability analysis of surrounding rock. Engineering data of hundreds of projects are stored in the database，including engineering description，geological conditions，geostress field，size of powerhouse，supporting design，excavation scheme design，back-analysis，seepage field analysis，stability analysis of surrounding rock，etc.. The system realizes the functions of engineering analogue method，data analysis of underground powerhouse design and surrounding rock stability analysis. Taking underground powerhouse of Huangdeng hydropower station on Lancang river in Yunnan province for example，related engineering by using characteristic parameters of underground powerhouse is obtained to retrieve the database. With the empirical supporting parameters，the supporting parameters design of main powerhouses are achieved. Lastly，the rationality of the design is verified by 3D elastoplastic finite element software. At the same time，the system can help to deepen the understanding of all kinds of laws of underground powerhouses by adequately exploring various kinds of digital information where the rich data of underground powerhouse are contained. The system also have laid foundation for the design of expert database system of underground powerhouses which can contribute to establish a comprehensive and systematic method of surrounding rock stability analysis as well as the forecasting of underground engineering.

Key words： underground engineering underground powerhouse database engineering analogy supporting parameters stability of surrounding rock

Received: 26 November 2010

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https://rockmech.whrsm.ac.cn/EN/Y2011/V30/IS1/3074

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