龙王沟水库枢纽工程设计与坝体断面优化
发布时间：2019-03-08 17:40
【摘要】：龙王沟水库工程的主要目的是解决当地村民农业用水难问题，对该地区脱贫致富具有十分重要的意义，并且是一座以农业灌溉为主，兼有水产养殖、改善河道内生态环境等一系列综合效益的水利工程。本论文结合目前正在建设的青海省乐都区龙王沟水库工程项目的实际情况，以实际工程案例作为论文来源，，在对流域的自然地理，水文气候特征，工程地质及水文地质分析的基础上，根据工程目标任务，对水资源供需进行了分析；通过水库调节计算、调洪演算得到水库的特征水位及特征库容；完成了枢纽总体布置，对坝型方案进行了比选，确定选用重力坝方案；对重力坝进行剖面设计，并通过大型有限元分析程序计算重力坝的应力分布以及稳定分析；最后对非溢流坝断面进行了优化设计研究，以坝体断面面积最小为目标函数建立优化模型，采用ANSYS软件对设计洪水位与校核洪水位两种工况进行了断面优化,实现了参数化建模、施加荷载和求解的过程，程序自动执行和控制优化过程，并给出优化后的结果，并分析了最优方案的主要控制指标。采用ANSYS软件进行坝体优化设计对于提高重力坝设计水平，充分发挥坝料的作用，降低工程造价具有重要的实际意义。
[Abstract]:The main purpose of the Longwanggou Reservoir Project is to solve the problem of local villagers' water use in agriculture, which is of great significance for the area to get rid of poverty and become rich, and it is also an agricultural irrigation-based project, which also has aquaculture. A series of water conservancy projects with comprehensive benefits, such as improving the ecological environment in the river course. Combined with the actual situation of the Longwanggou Reservoir Project in Ledu District, Qinghai Province, this paper takes the actual project case as the source of the thesis, and takes the physical geography, hydrological and climatic characteristics of the basin as the source of the thesis. Based on the analysis of engineering geology and hydrogeology, the supply and demand of water resources are analyzed according to the engineering objectives and tasks. Through the calculation of reservoir regulation and flood regulation calculation, the characteristic water level and characteristic reservoir capacity of the reservoir are obtained, the overall layout of the hub is completed, the dam type scheme is compared and selected, and the gravity dam scheme is selected. The section design of gravity dam is carried out, and the stress distribution and stability analysis of gravity dam are calculated by large-scale finite element analysis program. Finally, the optimal design of the non-overflow dam section is studied. The optimization model is established by taking the minimum cross-section area of the dam body as the objective function, and the section optimization of the design flood level and the check flood water level are carried out by using ANSYS software. The parametric modeling, loading and solving process, program automatic execution and control optimization process are realized. The results of optimization are given, and the main control indexes of the optimal scheme are analyzed. The optimum design of dam body with ANSYS software is of great practical significance for improving the design level of gravity dam, giving full play to the function of dam material and reducing the engineering cost.
【学位授予单位】：西北农林科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TV632;TV642.3
本文编号：2437052
[Abstract]:The main purpose of the Longwanggou Reservoir Project is to solve the problem of local villagers' water use in agriculture, which is of great significance for the area to get rid of poverty and become rich, and it is also an agricultural irrigation-based project, which also has aquaculture. A series of water conservancy projects with comprehensive benefits, such as improving the ecological environment in the river course. Combined with the actual situation of the Longwanggou Reservoir Project in Ledu District, Qinghai Province, this paper takes the actual project case as the source of the thesis, and takes the physical geography, hydrological and climatic characteristics of the basin as the source of the thesis. Based on the analysis of engineering geology and hydrogeology, the supply and demand of water resources are analyzed according to the engineering objectives and tasks. Through the calculation of reservoir regulation and flood regulation calculation, the characteristic water level and characteristic reservoir capacity of the reservoir are obtained, the overall layout of the hub is completed, the dam type scheme is compared and selected, and the gravity dam scheme is selected. The section design of gravity dam is carried out, and the stress distribution and stability analysis of gravity dam are calculated by large-scale finite element analysis program. Finally, the optimal design of the non-overflow dam section is studied. The optimization model is established by taking the minimum cross-section area of the dam body as the objective function, and the section optimization of the design flood level and the check flood water level are carried out by using ANSYS software. The parametric modeling, loading and solving process, program automatic execution and control optimization process are realized. The results of optimization are given, and the main control indexes of the optimal scheme are analyzed. The optimum design of dam body with ANSYS software is of great practical significance for improving the design level of gravity dam, giving full play to the function of dam material and reducing the engineering cost.
【学位授予单位】：西北农林科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TV632;TV642.3
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