全護(hù)筒、鋼護(hù)筒人工挖孔樁專項(xiàng)施工方案

1、江門市新會(huì)疏港公路上跨廣珠鐵路新建公跨鐵立交橋防電棚工程臨近營業(yè)線人工挖孔樁施工方案1目錄一、編制依據(jù)......................................................................................................................................................2二、工程概況............

2、..........................................................................................................................................22.1工程概況..........................................................................

3、......................................................................22.3鄰近營業(yè)線施工范圍及作業(yè)內(nèi)容.......................................................................................................52.4營業(yè)線施工安全管理組織機(jī)構(gòu)............

4、................................................................................................5三、施工組織安排...................................................................................................................

5、...........................63.1技術(shù)準(zhǔn)備................................................................................................................................................63.2管線的遷改工作準(zhǔn)備及實(shí)施.........................

6、.......................................................................................63.3人力資源配置及崗前培訓(xùn)....................................................................................................................63

7、.4機(jī)械設(shè)備配置及安裝............................................................................................................................7四、鄰近營業(yè)線施工方案.........................................................................

8、.........................................................74.1總體施工方案........................................................................................................................................74.2人工挖孔樁........

9、....................................................................................................................................7五、安全防護(hù)保證措施.............................................................................

10、.......................................................205.1安全保證體系.....................................................................................................................................205.2施工用電安全措施........

11、.....................................................................................................................215.3既有管線安全防護(hù)措施........................................................................................

12、.............................215.4對(duì)既有鐵路的監(jiān)測(cè)..............................................................................................................................23六、應(yīng)急預(yù)案............................................

13、........................................................................................................256.16.1組織機(jī)構(gòu)組織機(jī)構(gòu)....................................................................................................

14、........................................256.26.2主要危險(xiǎn)源主要危險(xiǎn)源.........................................................................................................................................266.36.3突發(fā)事件的預(yù)防突發(fā)事件的預(yù)防...

15、..............................................................................................................................306.46.4應(yīng)急響應(yīng)（預(yù)案啟動(dòng)）應(yīng)急響應(yīng)（預(yù)案啟動(dòng)）..................................................................

16、...................................................316.56.5應(yīng)急響應(yīng)程序應(yīng)急響應(yīng)程序....................................................................................................................................316.66.6應(yīng)急物資儲(chǔ)備應(yīng)急物

17、資儲(chǔ)備.....................................................................................................................................32江門市新會(huì)疏港公路上跨廣珠鐵路新建公跨鐵立交橋防電棚工程臨近營業(yè)線人工挖孔樁施工方案3K1376，終點(diǎn)樁號(hào)為K1502，橋梁中心樁號(hào)K1439，橋梁該聯(lián)總長126m

18、。與廣珠鐵路交叉，交角約為75。本項(xiàng)目上跨廣珠鐵路橋梁采用223m34m223m(先簡(jiǎn)支后橋面連續(xù)小箱梁)，一孔跨越廣珠鐵路共2股道?？紤]鐵路電氣化高壓線要求及防電棚結(jié)構(gòu)、掛籃結(jié)構(gòu)高度和安全距離，橋下凈空8.20m，下部構(gòu)造橋墩采用雙柱式橋墩、鉆孔樁基礎(chǔ)，樁端嵌入微風(fēng)化巖層。本橋橋?qū)?7m，跨鐵路主跨34m，雙向6車道，設(shè)計(jì)速度60Kmh，鋪裝層采用水泥砼厚10cm。2.2.2.2.地質(zhì)資料地質(zhì)資料1.地形地貌橋址區(qū)屬山間沖洪積平原地貌

19、區(qū)，橋位周邊大多為魚塘和農(nóng)田。2.工程地質(zhì)概況橋址區(qū)地層主要由第四系素填土（Qme），沖積相粉質(zhì)土、中砂、礫砂和海陸交互相淤泥等組成，其中淤泥廣泛分布，埋深2.0～3.2m，厚度約15～16m基底由白堊系的泥質(zhì)粉砂巖及其風(fēng)化層等組成。經(jīng)地質(zhì)調(diào)查和鉆探揭露，橋內(nèi)地層從上至下及具體工程地質(zhì)特征描述如下：2.1第四系覆蓋層①1素填土（Qm1）：揭露層厚約0.90～1.60m，橋址區(qū)均有分布。黃色，濕，稍密，土質(zhì)不均勻，成分主要為粉質(zhì)粘土近期就