小型水库加固工程可行性研究报告

宜昌市西陵区 xxxxxx水库除险加固工程

可 行 性 研 究 报 告

宜昌市水利水电规划设计院

二O O 一年四月

院 长：张宗明

项目负责：张湘勇

编制人员：汪文鑫、韩方清、张湘勇

目 录

第一章 基本情况 ·············································································· 1

第一节 自然概况 ······································································· 1

一、地理位置 ········································································ 1 二、水文、气候 ··································································· 1

三、地质、土壤 ····································································· 1 第二节 社会经济········································································ 2 第三节 工程概况········································································ 2 一、工程规模 ········································································ 2 二、主要建筑物情况 ····························································· 3 第二章 可行性研究的主要任务························································ 4 第一节 工程存在的主要问题 ······················································ 4 第二节 工程主要任务 ································································· 4 第三章 水库防洪复核计算 ······························································· 5 第一节 基本资料和依据 ····························································· 5 第二节 防洪复核计算 ································································· 5 第三节 防洪复核计算成果及结论 ·············································· 8 第四章 整险加固设计······································································· 8 第一节 枢纽布置 ········································································ 8 第二节 大坝横断面尺寸拟定 ······················································ 9 第三节 大坝 防渗······································································ 10 第四节 坝体排水 ······································································ 11 第五节 大坝稳定计算 ······························································· 11 第六节 溢洪道设计 ·································································· 14

第七节 输水剅 、启闭机台、工作桥及灌溉渠设计 ················· 19 第五章 施工组织设及计投资估算 ·················································· 21 第一节 施工组织设计 ······························································· 21 第二节 主要工程量 ··································································· 23 第三节 投资估算 ······································································ 24 第六章 效益分析 ············································································ 26 第一节 社会效益 ······································································ 26 第二节 经济效益 ······································································ 27 第三节 环境效益 ······································································ 27