【正文】 ......................................................................................................8 地層巖性 ..............................................................................................................................................................8 地質(zhì)構(gòu)造 ..............................................................................................................................................................8 新構(gòu)造運(yùn)動(dòng)與 地震 ...........................................................................................................................................11 區(qū)域穩(wěn)定性評(píng)價(jià) ..............................................................................................................................................13 水庫(kù)區(qū)工程地質(zhì) ............................................................................................................................................................. 13 基本地質(zhì)條件 ...................................................................................................................................................13 主要工程地質(zhì)問(wèn)題評(píng)價(jià) .................................................................................................................................14 壩址比選 ........................................................................................................................................................................... 16 壩址區(qū)工程地質(zhì)條件 .................................................................................................................................................... 18 地形地貌 .............................................................................................................................................................18 地層巖性 ............................................................................................................................................................18 地質(zhì)構(gòu)造 .............................................................................................................................................................19 水文地質(zhì)條件 ....................................................................................................................................................21 物理地質(zhì)現(xiàn)象 ....................................................................................................................................................22 主要工程地質(zhì)問(wèn)題初步評(píng)價(jià) .........................................................................................................................22 壩址區(qū)巖（土）體物理力學(xué)性質(zhì) ............................................................................................................................... 27 壩線比選 .......................................................................................................................................................................... 36 上壩線 .................................................................................................................................................................36 下壩線 .................................................................................................................................................................38 壩線比選 .............................................................................................................................................................40 推薦方案主要建筑物工程地質(zhì)條件 ......................................................................................................................... 42 壩基工程地質(zhì)條件 ..........................................................................................................................................42 引水隧洞工程地質(zhì)條件 .................................................................................................................................45 調(diào)壓井工程地質(zhì)條件 ......................................................................................................................................53 壓力鋼管斜井段工程地質(zhì)條件 ....................................................................................................................53 廠房工程地質(zhì)條件 ..........................................................................................................................................54 施工臨時(shí)建筑物工程地質(zhì)條件 ..............................................................................................................................60 圍堰工程地質(zhì)條件 ...........................................................................................................................................60 施工支洞工程地質(zhì)條件 .................................................................................................................................61 比較壩線（下壩線）建筑物工程地質(zhì)條件 .......................................................................................................63 壩基工程地質(zhì)條件 ...........................................................................................................................................63 天然建筑材料 ............................................................................................................................................................... 66 各類建筑材料產(chǎn)地綜述 ...............................................................................................................................66 砂卵礫石料場(chǎng) .................................................................................................................................................66 防滲 土 料場(chǎng) .....................................................................................................................................................73 塊石料場(chǎng) ..........................................................................................................................................................76 天然建筑材料評(píng)價(jià) ........................................................................................................................................78 結(jié)論 ...........................................................