【正文】 ...... 1 緒言 ................................................................................................................................ 1 水文 ................................................................................................................................ 2 流域概況 .................................................................................................................. 3 氣象 ......................................................................................................................... 3 洪水 ......................................................................................................................... 3 地質(zhì) ................................................................................................................................ 3 區(qū)域地質(zhì) ................................................................................................................. 4 地層巖性 ................................................................................................................. 4 地質(zhì)構(gòu)造 ................................................................................................................. 4 堤基地質(zhì)結(jié)構(gòu) ......................................................................................................... 5 治理河段主要工程地質(zhì)問題 .................................................................................. 5 工程任務(wù)和規(guī)模 ............................................................................................................ 5 工程建設(shè)的必要性 ................................................................................................. 5 工程任務(wù)和規(guī)模 ..................................................................................................... 6 工程布置及主要建筑物 ................................................................................................. 6 施工組織設(shè)計 ................................................................................................................ 6 施工導(dǎo)流 .................................................................................................................. 6 施工總體布置 .......................................................................................................... 7 施工總進度 .............................................................................................................. 7 工程占地 ......................................................................................................................... 7 環(huán)境保護設(shè)計 ................................................................................................................. 7 環(huán)境現(xiàn)狀 ................................................................................................................. 7 環(huán)境評價及水土保持 ............................................................................................. 7 1. 9 水土保持設(shè)計 ................................................................................................................ 8 工程管理設(shè)計 ............................................................................................................... 8 管理機構(gòu) ................................................................................................................ 8 工程管理運用 ........................................................................................................ 9 設(shè)計概算 ....................................................................................................................... 9 編制依據(jù) ................................................................................................................. 9 主要技術(shù)經(jīng)濟指標 ................................................................................................ 9 社會經(jīng)濟效益綜合評價 ............................................................................................... 9 招投標方案 ................................................................................................................. 10 結(jié)論 ............................................................................................................................. 10 2 水 文 .................................................................................................................................. 11 流域概況 ....................................................................................................................... 11 氣象 ............................................................................................................................... 11 基本資料和參證站 ....................................................................................................... 12 設(shè)計暴雨 ....................................................................................................................... 12 暴雨洪水特性 ........................................................................................................ 12 設(shè)計暴雨復(fù)核 ........................................................................................................ 13 設(shè)計洪水 ....................................................................................................................... 14 歷史洪水 ................................................................................................................ 14 施工洪水 ................................................................................................................ 16 泥沙 ........................................................................................................................ 17 整治前后控制斷面水位流量關(guān)系 ............................................................................... 17 3 工程地質(zhì) ............................................................................................................................. 19 前言 ............................................................................................................................... 19 區(qū)域地質(zhì) .................................................................................