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1、 第 I 页 摘要XXX 水库除险加固初步设计XXX 水库位于 XX 市云集乡云丰村，属涪江水系潼江支流。 本工程存在大坝外坡较陡，有滑坡现象，水库右坝肩及库岸存在渗漏现象，存在放水设施卧管渗漏严重、涵管管身断裂、淤塞等问题，大坝为三类坝。XXX 水库除险加固初步设计是根据实际工程进行初步设计，主要内容包括水文计算，大坝渗流稳定分析，除险加固方案的设计，施工组织设计，工程概算等几部分。水文计算主要求该地区 20 年一遇和 200 年一遇的洪峰流量，根据洪峰流量进行洪水调节计算，试算出设计和校核洪水位，最后进行溢洪道最大泄洪能力校核，经复核现溢洪道过洪能力满足规范要求。大坝的渗流稳定分析主要是用
2、确定坝体内浸润线及其下游逸出点的位置，绘制坝体及坝基内的等势线分布图、流网图，确定大坝土体的渗透坡降，与允许坡降相比较进行渗流分析，用瑞典圆弧法在稳定渗流期进行稳定分析。然后用理正软件进行大坝在不同工况下渗流稳定分析，经分析大坝的渗流稳定不满足规范要求。然后进行除险加固方案设计以及施工组织设计，编制工程概算等。关键词：水文计算，渗流分析，稳定分析 第 II 页 AbstractPreliminary design of QINGGANGPO reservoirs eliminating and reinforcementQinggangpo Reservoir is located in To
3、wnship Jiangyou clouds gathered Feng, Tung River tributaries are Fujiang River. The existence of the dam project outside the steep slope, there are landslides, reservoir exists right abutment and Reservoir leakage, there is a serious leakage of water distribution facilities, horizontal pipe, culvert
4、 pipe shaft fracture, blockage and other issues, for the three dam .Preliminary design of QINGGANGPO reservoirs eliminating and reinforcement is based on the actual project carrying out the preliminary design. The main elements of design, including review of hydrological design flood, peak flow, as
5、well as review of the flood largest discharge capacity of the spillway ,dam seepage and stability analysis, eliminating and reinforcement design, organized construction design, the engineering budge etc. Hydrological calculation is mainly to work out the flood peak flow of the region for a return pe
6、riod of 20 years and 200 years , than make the calculation for adjusting in accordance with flood peak flow, and calculate the flood level for designing and checking , and finally verify the maximum discharge capacity of the spillway checked by the review is over the spillway Hong ability to meet re
7、gulatory requirements.Analysis of the seepage stability of dam is mainly used to determine the phreatic line within the dam and the location of downstream of the spill point, render the dams body and the distribution map of equipotential line within dam foundation, flow network diagram, determine th
8、e permeatal gradient of dams earth-filled part ,make seepage analysis compared with the allowing gradient , and the stability analysis is carried out with Sweden circular mean during the stability seepage period . Then management is software for dam seepage and stability 第 III 页 analysis under diffe
9、rent conditions, by analysis of the seepage stability of dam does not meet specifications.And then proceed to design the plan of eliminating and reinforcement , construction of organizational , then draw up the budgetary estimation of the project etc. Key words: hydrological calculation, seepage analysis, stability analysis 目录摘要 .IABSTRACT.II1 综合说明 .11.1 水文 .11.1.1 流域概况 .11.1.2 工程概况 .11.1.3 设计洪水复核 .21.1.4 洪水调节计算 .21.1.5 溢洪道最大泄洪能力复核 .21.1.6 施工期洪水 .21.2 工程地质 .21.2.1 区域地质概况 .21.2.2 地层岩性 .31.2.3 地下水特征及评价 .
