【正文】 ..........................................................................................................31 本次安全評價勘察工作簡述 ............................................................................................31 區(qū)域地質(zhì)概況 .................................................................................................................31 庫區(qū)地質(zhì)概況 .................................................................................................................32 工程區(qū)地質(zhì)概況 .............................................................................................................33 大 壩壩體填筑質(zhì)量與評價 ...............................................................................................34 大壩壩基及壩肩工程地質(zhì)條件與評價 ..............................................................................35 溢洪道工程地質(zhì)條件與評價 ............................................................................................35 輸水 建筑物工程地質(zhì)條件與評價 .....................................................................................35 結(jié)論和建議 ...................................................................................................................35 4 工程質(zhì)量評價 ...........................................................................................................................37 評價依據(jù)及方法 .............................................................................................................37 工程質(zhì)量評價 .................................................................................................................37 工程質(zhì)量綜合評價 ..........................................................................................................39 建議 ...............................................................................................................................39 5 水庫大壩運(yùn)行管理評價 .............................................................................................................41 管理概況 ........................................................................................................................41 大壩運(yùn)行 ........................................................................................................................41 大壩維修 ........................................................................................................................42 大壩安全監(jiān)測 .................................................................................................................43 大壩運(yùn)行管理綜合評價 ...................................................................................................43 建議 ...............................................................................................................................44 6 防洪標(biāo)準(zhǔn)復(fù)核 ...........................................................................................................................45 流域基本情況 .................................................................................................................45 水文氣象特性 .................................................................................................................45 基本資料收集整理 ..........................................................................................................45 洪水標(biāo)準(zhǔn) ........................................................................................................................49 設(shè)計(jì)洪水 ........................................................................................................................49 調(diào)洪計(jì)算 ........................................................................................................................61 水庫抗洪能力復(fù)核 ..........................................................................................................65 泄洪影響復(fù)核 .................................................................................................................68 結(jié)論 ...............................................................................................................................68 7 滲流安全評價 ...........................................................................................................................69 運(yùn)行中暴露與滲流安全有關(guān)問題及處理措施 ...................................................................69 評價依據(jù)及方法 .............................................................................................................69 大壩滲流安全評價 ..........................................................................................................69 繞壩滲流評價 .................................................................................................................71 溢洪道滲流安全評價 ......................................................................................................71 2 7. 6 輸水設(shè)施滲流安全評價 ..................................................................................................72 7. 7 結(jié)論及建議 ....................................................................................................................72 8 結(jié)構(gòu)安全評價 ...........................................................................................................................73 水庫建設(shè)及歷次加固情況 ...............................................................................................73 評價依據(jù)及方法 .............................................................................................................73 結(jié)構(gòu)安全評價 ..................................................................................................................73 結(jié)論 ...............................................................................................................................80 9 抗震復(fù)核 ..................................................................................................................................81 10 金屬結(jié)構(gòu)安全評價 ..................................................................................................................81 3