邊坡支護(hù)專項(xiàng)施工方案

1、1目錄一、編制說明與工程概況............................................................................................11.1工程施工組織設(shè)計(jì)編制依據(jù)..........................................................................11.2工程施工組織設(shè)計(jì)編制原則........

2、..................................................................11.3工程施工組織設(shè)計(jì)引用的建設(shè)標(biāo)準(zhǔn)..............................................................11.4工程概況.................................................................

3、.........................................1二、施工組織及工期安排............................................................................................2三、施工方案....................................................................

4、............................................33.1組織管理..........................................................................................................33.2施工準(zhǔn)備......................................................

5、....................................................43.3邊坡施工方案..................................................................................................53.4噴射混凝土...................................................

6、.................................................103.5格構(gòu)梁施工....................................................................................................123.6排水系統(tǒng)的設(shè)置.................................................

7、...........................................143.7邊坡工程監(jiān)測(cè)................................................................................................143.8工程質(zhì)量保證措施.........................................................

8、...............................153.9框架梁施工質(zhì)量保證措施............................................................................183.10質(zhì)量檢查項(xiàng)目.....................................................................................

9、.........183.11雨季施工措施..............................................................................................193.12安全保證體系及各分項(xiàng)工程安全保證措施..............................................193.13規(guī)范化、文明施工及環(huán)境保護(hù)................

10、..................................................21Comment[A2]:請(qǐng)按照?qǐng)D紙數(shù)據(jù)進(jìn)行填報(bào)遵義市鳳新快線建設(shè)項(xiàng)目邊坡支護(hù)專項(xiàng)施工方案2工。邊坡支護(hù)設(shè)計(jì)形式如下：邊坡支護(hù)結(jié)構(gòu)：邊坡采用臺(tái)階式放坡（南側(cè)共7階，臺(tái)階高9.5～12m，平臺(tái)寬3.5m），目前已開挖至第四臺(tái)階（如下圖11），由上到下的坡率均為1:1，北側(cè)共10階，臺(tái)階高10m，平臺(tái)寬4m，由上到下的坡率均為1:1.25，

11、邊坡采用“預(yù)應(yīng)力錨桿掛網(wǎng)噴射砼格構(gòu)梁”的支護(hù)措施。預(yù)應(yīng)力錨桿：采用φ25HRB400熱軋鋼筋，水平間距為3.0m，垂直間距為3.0m矩形布置，預(yù)應(yīng)力錨桿只要分布在邊坡上部分19排，鉆孔角度20，孔徑為130mm；錨孔灌漿材料采用M30水泥漿灌注。噴射砼：C20噴射砼厚10cm。圖11格構(gòu)梁：格構(gòu)梁截面尺寸為400mm400mm，主筋采用Φ22HRB400鋼筋，φ10箍筋@200mm200mm，保護(hù)層35mm，格構(gòu)梁采用C30砼澆筑。邊坡