ICS93.060 CCSP66 45 广西壮族自治区地方标准 DB45/T2525—2022 公路隧道超前地质预报技术规程 Codeofpracticeforgeologicalpredictionofroadtunnel 2022-06-24发布 2022-07-30实施 广西壮族自治区市场监督管理局  发布 DB45/T2525—2022 I目次 前 言...........................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4一般规定.............................................................................3 预报目的和内容...................................................................3 预报工作遵循的规则...............................................................3 预报的工作程序和工作内容.........................................................4 预报工作中的各方职责.............................................................6 5超前地质预报设计.....................................................................6 预报方法分类.....................................................................6 隧道地质灾害和地质复杂程度分级...................................................7 预报设计文件内容.................................................................7 6超前地质预报实施.....................................................................8 预报实施大纲编制.................................................................8 预报成果报告编制与报送...........................................................8 7地质调查法...........................................................................9 基本规定.........................................................................9 隧道勘察设计资料的收集与分析....................................................10 隧道地表补充地质调查............................................................10 隧道内地质调查..................................................................10 8物探法..............................................................................11 基本规定........................................................................11 地质雷达法......................................................................12 瞬变电磁法......................................................................13 高分辨率直流电法................................................................15 地震波反射法....................................................................16 红外探测法......................................................................17 9超前钻探法..........................................................................18 超前地质钻探....................................................................18 加深炮孔探测....................................................................20 10超前导坑法.........................................................................20 基本规定.......................................................................20 工作要求.......................................................................21 11复杂地质条件的超前地质预报.........................................................21 DB45/T2525—2022 II 岩溶预报.......................................................................21 断层预报.......................................................................22 涌水突泥预报...................................................................23 煤层瓦斯预报...................................................................24 有害气体灾害预报...............................................................25 其它...........................................................................25 附录A（资料性）隧道地质灾害分级....................................................26 附录B（资料性）各种隧道超前地质预报方法工作应用情况对比............................27 附录C（资料性）预报实施安全防护规定................................................28 C.1预报准备工作期间的安全防护规定..................................................28 C.2预报实施过程中的安全防护规定....................................................28 附录D（资料性）隧道内不良地质体可能前兆............................................29 D.1溶洞水体、断层破碎带、塌方可能前兆..............................................29 D.2人为坑洞积水、煤与瓦斯突出的可能前兆............................................29 附录E（资料性）公路隧道围岩分级....................................................30 E.1分级方