ICS93.080 P 66 DB34 安徽省地方标准 DB 34/T 2222—2014 高速公路施工标准化指南路基工程 Province Highway Construction Standardization Guideroadbed construction 2014-12-17发布 2015-01-17实施 安徽省质量技术监督局发 布  目次 目次 前言 1 范围.......................................................................... 1 2规范性引用文件................................................................. 2 3术语定义和符号..................................................................3 3.1 术语定义................................................................. 3 3.2 符号..................................................................... 4 4基本原则........................................................................6 5 施工准备........................................................................ 7 5.1 一般规定................................................................. 7 5.2 技术准备................................................................. 7 5.3 现场准备................................................................. 9 5.4 取、弃土场.............................................................. 10 5.5 首件工程................................................................ 12 6 填方路基...................................................................... 14 6.1一般规定 ................................................................ 14 6.2 地基层施工.............................................................. 14 6.3清淤 .................................................................... 16 6.4填土路基 ................................................................ 19 6.5 填石路基................................................................ 24 6.6 土石混填路基............................................................ 27 6.7天然砂砾石路基........................................................... 29 6.8 高填方路基.............................................................. 32 7 挖方路基....................................................................... 37 7.1 一般规定................................................................ 37 7.2 土质路堑开挖施工........................................................ 37 7.3 石质路堑开挖施工........................................................ 39 7.4 路堑整修................................................................ 43 7.5 挖方路基检查与验收...................................................... 44 I  目次 8 路基衔接施工................................................................... 45 8.1路基与构造物衔接施工..................................................... 45 8.2 半填半挖路基、填挖过渡段................................................ 47 9 特殊路基....................................................................... 50 9.1一般规定 ................................................................ 50 9.2膨胀土路基................................