大壩土石方開(kāi)挖施工方案

1、1目錄1編制依據(jù)及編制原則編制依據(jù)及編制原則...................................................................................................32工程概述工程概述.........................................................................................

2、..............................32.1施工范圍................................................................................................................32.2工程地質(zhì)條件............................................................

3、............................................32.3施工布置................................................................................................................32.4主要工程量...............................................

4、.............................................................43開(kāi)挖程序和方法開(kāi)挖程序和方法...........................................................................................................53.1開(kāi)挖施工程序..........................

5、..............................................................................53.2土石方施工方法....................................................................................................64大壩及放空洞、取水洞進(jìn)出口開(kāi)挖大壩及放空洞、取水洞進(jìn)出口開(kāi)

6、挖...........................................................................74.1大壩及放空洞、取水洞開(kāi)挖施工分區(qū)分層........................................................74.2土石方明挖.........................................................

7、...................................................85支護(hù)工程支護(hù)工程.....................................................................................................................125.1施工布置.................................

8、.............................................................................125.2施工程序..............................................................................................................125.3錨桿施工...............

9、...............................................................................................135.4噴護(hù)施工...............................................................................................................146施工

10、布置施工布置.....................................................................................................................186.1施工道路布置......................................................................................

11、................186.2開(kāi)挖施工風(fēng)、水、電布置..................................................................................197爆破工藝措施及技術(shù)要求爆破工藝措施及技術(shù)要求.................................................................................

12、........207.1控制爆破工藝措施..............................................................................................197.2石方明挖技術(shù)要求............................................................................................

13、..193敘永縣龍洞水庫(kù)樞紐工程土石方施工專項(xiàng)方案敘永縣龍洞水庫(kù)樞紐工程土石方施工專項(xiàng)方案1、編制依據(jù)及編制原則、編制依據(jù)及編制原則(1)《水利水電工程爆破施工技術(shù)規(guī)范》（DLT51352001）；(2)《建筑地基基礎(chǔ)工程施工質(zhì)量驗(yàn)收規(guī)范》（GB50202—2002）；(3)《水電水利工程施工通用安全技術(shù)規(guī)程》（DLT53702007）；(4)《水利工程工程量清單計(jì)價(jià)規(guī)范》（GB505012007）；(5)《水電工程施工組織設(shè)計(jì)規(guī)范》（

14、DLT5397—2007）；(6)《水利水電工程天然建筑材料勘察規(guī)程》（DLT53882007）；(7)《水工建筑物巖石基礎(chǔ)開(kāi)挖工程施工技術(shù)規(guī)范》（DLT53892007）；(8)《工程測(cè)量規(guī)范》（DGB500262007）；(9)《水利水電工程錨噴支護(hù)施工技術(shù)規(guī)范》（SDJ5785）；(10)《水工建筑物水泥灌漿施工技術(shù)規(guī)范》（SL6294）；(11)《水工混凝土砂石骨料試驗(yàn)規(guī)程》（SLT51512001）；(12)《水工混凝土施工規(guī)

15、范》(DLT51442001)；(13)水利水電工程施工組織設(shè)計(jì)手冊(cè)；(14)敘永縣龍洞水庫(kù)樞紐工程招標(biāo)及合同文件；(15)設(shè)計(jì)單位已提供導(dǎo)流洞（泄洪、放空）進(jìn)、出口設(shè)計(jì)圖。2、工程概述、工程概述2.12.1施工范圍施工范圍本標(biāo)土石方明挖工程施工范圍：左、右壩肩、壩基開(kāi)挖與支護(hù)、放空導(dǎo)流洞和取水洞進(jìn)出洞口的土石方明挖與支護(hù)等工程。2.22.2工程地質(zhì)條件工程地質(zhì)條件工程河段河谷較窄，巖層走向與河谷呈41～52相交，為斜向谷。覆蓋層較薄，