【正文】 1 / 45廣西梧州至柳州高速公路土建工程№A017合同段向南隧道施工安全風(fēng)險(xiǎn)評(píng)估報(bào)告編制單位：梧柳高速公路土建工程№A017合同段項(xiàng)目經(jīng)理部評(píng)估小組負(fù)責(zé)人：羅福光日期：2022年11月2 / 45目 錄一、概述 ...................................................................................................................................................5（一）項(xiàng)目簡(jiǎn)介 ...................................................................................................................................5（二）向南隧道工程特點(diǎn) ...................................................................................................................5（三）風(fēng)險(xiǎn)評(píng)估依據(jù) ...........................................................................................................................5標(biāo)準(zhǔn)規(guī)范 .....................................................................................................................................5相關(guān)文件 .....................................................................................................................................6二、工程概況 ...........................................................................................................................................6（一）地形地貌 ...................................................................................................................................6（二）工程地質(zhì) ...................................................................................................................................6（三）水文地質(zhì)條件 ...........................................................................................................................7（四）氣象、水文 ...............................................................................................................................8（五）地震 ...........................................................................................................................................8（六）圍巖級(jí)別及特征 .......................................................................................................................8（七）隧道設(shè)計(jì)概況 ...........................................................................................................................9隧道整體設(shè)計(jì) .............................................................................................................................9隧道支護(hù)襯砌結(jié)構(gòu)類(lèi)型 ...........................................................................................................10施工組織概況 ...........................................................................................................................12三、總體風(fēng)險(xiǎn)評(píng)估 .................................................................................................................................15（一）總體風(fēng)險(xiǎn)評(píng)估思路及方法 .....................................................................................................15概念 ...........................................................................................................................................15評(píng)估思路 ...................................................................................................................................15評(píng)估方法 ...................................................................................................................................15（二）指標(biāo)體系法 .............................................................................................................................15（三）隧道工程總體風(fēng)險(xiǎn)評(píng)估指標(biāo)體系 .........................................................................................16（四）分值計(jì)算 .................................................................................................................................17分值選擇 ...................................................................................................................................17總體評(píng)估 ...................................................................................................................................17四、專(zhuān)項(xiàng)風(fēng)險(xiǎn)評(píng)估 .................................................................................................................................17（一）概念 .........................................................................................................................................17（二）評(píng)估思路 .................................................................................................................................18（三）施工作業(yè)工序分解 .................................................................................................................18（四）風(fēng)險(xiǎn)源普查 .............................................................................................................................19（五）風(fēng)險(xiǎn)分析 .................................................................................................................................19（六）風(fēng)險(xiǎn)估測(cè) .................................................................................................................................21風(fēng)險(xiǎn)估測(cè)方法 ...........................................................................................................................21量化分值標(biāo)準(zhǔn) ...........................................................................................................................21風(fēng)險(xiǎn)估測(cè) ...................................................................................................................................223 / 45五、重大風(fēng)險(xiǎn)源評(píng)估 .............................................................................................................................23（一）重大風(fēng)險(xiǎn)源評(píng)估思路 .............................................................................................................23（二）風(fēng)險(xiǎn)矩陣的建立 .....................................................................................................................23（三）施工管理引發(fā)的事故可能性評(píng)估指標(biāo) .................................................................................24（四）坍塌事故風(fēng)險(xiǎn)評(píng)估 .................................................................................................................26可能性評(píng)估 ——建立評(píng)估指標(biāo) ........................................................................................