发布时间 : 星期一 文章水利水电毕业论文 - 图文更新完毕开始阅读
编号： XXXX大学本科毕业论文（设计） （ 2016届） 题 目： 绵江水库除险加固设计 院 别： 水利水电学院 专 业： 水利水电工程 姓 名： XXXXX 指导教师： XXXXX 完成日期： 2016 年 5 月 14 日 1
摘要
绵江水库大坝坝址位于四川省江油市方水乡绵江村，是一座以灌溉为主，兼有防洪、养鱼等综合功能的小（2）型水库。大坝建成多年以后，出现许多的险情，主要表现为坝体坝基渗漏，溢洪道冲刷严重，放水设施老化严重。针对该问题，本次设计重点是对水库的除险加固，其设计的主要内容为：通过对绵江水库复核基本资料为水文设计洪水复核、洪峰流量以及溢洪道最大泄洪能力复核、大坝渗流分析、稳定分析、除险加固方案设计、溢洪道加固设计等。坝体要进行渗流分析和坝体加高方案确定，完成坝体的渗流分析和稳定分析，并完成坝体加固设计，起到保障下游城镇居民生命财产安全的作用。
关 键 词：坝体；渗流；洪水位；溢洪道；除险加固 Abstract
The dam in Mianjiang reservoir is located in Jiangyou City, Sichuan Province. It is an irrigation, flood control, small fish and other integrated functions (2) reservoir. It has been built for many years, so there are many problems such as seepage dam, spillway erosion serious, drainage facilities aging. Focus on these issues, this design mainly to reservoir reinforcement, the main contents include the design flood review, peak discharge, recheck computation of spillway maximum discharge capacity, the analysis of dam seepage, the analysis of dam stability, the design of reinforcement and spillway strengthening, all of this based on the Mianjiang reservoir basis of basic data. In order to protect downstream residents, we have to do analysis of dam seepage, and complete the dam heightening project.
Key word : Dam; seepage; flood; spillway; reinforcement
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前 言 ........................................................................................................................... 1 1 综合说明 .................................................................................................................... 2
1.1绪言 ................................................................................................................................. 2
1.1.1研究的意义与目的 ............................................................................................................................ 2 1.1.2国内外研究成果 ................................................................................................................................ 2 1.1.3研究的思路与内容 ............................................................................................................................ 2
1.2工程概况 ......................................................................................................................... 2
1.2.1水库存在病险情况 ............................................................................................................................ 3
1.3水文 ................................................................................................................................. 3
1.3.1水文特征 ............................................................................................................................................ 3
1.4工程地质 ......................................................................................................................... 3
1.4.1地形地貌 ............................................................................................................................................ 4 1.4.2地层岩性 ............................................................................................................................................ 4 1.4.3地质构造与地震 ................................................................................................................................ 4
2 水文分析计算 ............................................................................................................ 4
2.1工程等级及洪水标准 ....................................................................................................... 4 2.2 设计洪水复核 ................................................................................................................. 4
2. 2.1 设计暴雨 .......................................................................................................................................... 5 2.2.2 设计洪峰流量 ................................................................................................................................... 5 2.2.3 设计洪水总量 ................................................................................................................................... 7 2.2.4 设计洪水过程线 ............................................................................................................................... 8 2.2.5 结论 ................................................................................................................................................. 10
2.3 调洪演算 ...................................................................................................................... 10
2.3.1 水库洪水调节计算 ......................................................................................................................... 10 2.3.2调洪计算及成果分析 ...................................................................................................................... 11
3 工程地质与坝高复核 ............................................................................................... 15
3.1坝区工程地质条件 ........................................................................................................ 15
3.1.1工程地质 .......................................................................................................................................... 15 3.1.2水文地质条件 .................................................................................................................................. 15
3.2天然建筑材料 ................................................................................................................ 16
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3.2.1混凝土粗、细骨料 .......................................................................................................................... 16 3.2.2灌浆用粘土料 .................................................................................................................................. 16 3.2.3块石料 .............................................................................................................................................. 16
3.3坝顶高程复核 ................................................................................................................ 16
3.3.1基本资料 .......................................................................................................................................... 16 3.3.2坝顶超高计算 .................................................................................................................................. 17
4主要建筑物分析加固设计 ........................................................................................ 20
4.1 工程存在问题 ............................................................................................................... 20
4.1.1 大坝及坝基 ..................................................................................................................................... 20 4.1.2 溢洪道 ............................................................................................................................................. 21 4.1.3 放水设施 ......................................................................................................................................... 21 4.1.4其他 .................................................................................................................................................. 21
4.2 设计依据 ...................................................................................................................... 21
4.2.1 设计基础资料 ................................................................................................................................. 21
4.3 总体设计方案 ............................................................................................................... 21 4.4 挡水建筑物 ................................................................................................................... 22
4.4.1 设计资料 ......................................................................................................................................... 22 4.4.2 设计方案比较 ................................................................................................................................. 22 4.4.3 除险加固设计 ................................................................................................................................. 22 4.4.4 大坝渗流计算 ................................................................................................................................. 26 4.4.5大坝稳定计算 .................................................................................................................................. 28
4.5 泄水建筑物 ................................................................................................................... 31
4.5.1工程布置 .......................................................................................................................................... 31 4.5.2水力计算 .......................................................................................................................................... 33 4.5.3溢洪道结构与稳定计算 .................................................................................................................. 36
4.6 放水建筑物 ................................................................................................................... 37 4.7 水库安全监测设计........................................................................................................ 37
5 结论与建议 .............................................................................................................. 38
5.1该水库设计结论 ............................................................................................................ 38 5.2建议 ............................................................................................................................... 38
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