【正文】 .........................................................................................................................................8 環(huán)境保護(hù)設(shè)計(jì) ..........................................................................................................................................8 施工組織設(shè)計(jì) ..........................................................................................................................................8 節(jié)能設(shè)計(jì) ..................................................................................................................................................9 設(shè)計(jì)概算 ................................................................................................................................................10 經(jīng)濟(jì)評(píng)價(jià) ................................................................................................................................................102 水文 .................................................................................................................................................................11 流域概況 ................................................................................................................................................11 氣象、水文特征 .....................................................................................................................................11 流域特征值 ............................................................................................................................................12 年降雨量 ................................................................................................................................................12 設(shè)計(jì)洪水 ................................................................................................................................................13 計(jì)算依據(jù) .........................................................................................................13 設(shè)計(jì)暴雨計(jì)算 .................................................................................................13 洪水總量 .........................................................................................................20 洪峰流量 .........................................................................................................21 設(shè)計(jì)雨型及洪水過(guò)程線 .................................................................................24 洪水調(diào)節(jié)和防洪特征水位 ....................................................................................................................25 防洪標(biāo)準(zhǔn)的確定 .............................................................................................25 調(diào)洪演算的條件 .............................................................................................26 塔崗水庫(kù)水位、面積、庫(kù)容關(guān)系 ....................................................................26 溢洪道水位流量關(guān)系 .....................................................................................26iii 塔崗水庫(kù)調(diào)洪演算 .........................................................................................27 塔崗水庫(kù)調(diào)洪演算成果 .................................................................................28 河道泥沙 ................................................................................................................................................37 施工期洪水導(dǎo)流計(jì)算 ............................................................................................................................373 工程地質(zhì) .........................................................................................................................................................40 區(qū)域工程地質(zhì)條件及評(píng)價(jià) ....................................................................................................................40 地形地貌 .........................................................................................................40 地層巖性 .........................................................................................................40 片麻巖（Z） .........................................................................................................40 上更新統(tǒng)（alplQ 3）：...........................................................................................41 全新統(tǒng)（alQ 4）....................................................................................................41 地質(zhì)構(gòu)造與地震 .............................................................................................41 地質(zhì)構(gòu)造 ...........................................................................................................41 地震 ...................................................................................................................42 水文地質(zhì)條件 .................................................................................................42 地下水類型 .......................................................................................................43 各土層及卵石層的滲透性 ...............................................................................43 水化學(xué)特征 .......................................................................................................43 河道工程地質(zhì)條件及評(píng)價(jià) ....................................................................................................................46 地質(zhì)結(jié)構(gòu) .........................................................................................................46 右岸 ...................................................................................................................46 河床 ...................................................................................................................46 左岸 ...................................................................................................................46 土體的物理力學(xué)性質(zhì) .....................................................................................46 主要工程地質(zhì)問題及評(píng)價(jià) ....................................................................................................................52 基坑臨時(shí)邊坡穩(wěn)定問題 .......................................................................