DB50/T 989-2020 地质灾害治理工程施工技术规范
简介
DB50/T 989-2020
地质灾害治理工程施工技术规范
Technical specification for construction of geological disaster control project
2020-06-01实施
2020-04-10发布 目 次 前 言...........................................................................................................................................................1 1范围................................................................................................................................................................. 1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4施工准备.........................................................................................................................................................2 4.1一般规定.................................................................................................................................................3 4.2临时设施.................................................................................................................................................3 4.3施工资源配置.........................................................................................................................................3 4.4测量工作.................................................................................................................................................4 5土石方工程.....................................................................................................................................................4 5.1一般规定.................................................................................................................................................4 5.2削方减载.................................................................................................................................................4 5.3回填反压.................................................................................................................................................6 5.4基槽开挖.................................................................................................................................................8 5.5坑槽填土.................................................................................................................................................9 5.6危岩清除...............................................................................................................................................10 6排水工程.......................................................................................................................................................11 6.1一般规定...............................................................................................................................................11 6.2截排水系统...........................................................................................................................................12 6.3排水孔...................................................................................................................................................13 6.4排水廊道...............................................................................................................................................13 7挡土墙工程...................................................................................................................................................15 7.1一般规定...............................................................................................................................................16 7.2基础.......................................................................................................................................................16 7.3墙体.......................................................................................................................................................17 7.4墙背回填...............................................................................................................................................19 8抗滑桩工程...................................................................................................................................................19 8.1一般规定...............................................................................................................................................19 8.2人工挖孔灌注桩...................................................................................................................................20 8.3机械钻孔灌注桩...................................................................................................................................23 9危岩工程.......................................................................................................................................................25 9.1一般规定...............................................................................................................................................25 9.2砂浆锚杆...............................................................................................................................................25 9.3预应力锚索...........................................................................................................................................28 9.4格构.......................................................................................................................................................29 9.5嵌补支撑...............................................................................................................................................30 9.6防护网...................................................................................................................................................30 10护岸(坡)工程.............................................................................................................................................34 10.1一般规定.............................................................................................................................................35 10.2水下抛石.............................................................................................................................................35 10.3护坡面板.............................................................................................................................................36 10.4生态植物.............................................................................................................................................36 11泥石流工程.................................................................................................................................................37 11.1一般规定.............................................................................................................................................37 11.2拦挡坝.................................................................................................................................................37 11.3排导槽.................................................................................................................................................38 11.4渡槽.....................................................................................................................................................38 12注浆加固工程.............................................................................................................................................38 12.1一般规定.............................................................................................................................................38 12.2地裂缝充填灌浆.................................................................................................................................39 12.3软弱带地层固结注浆.........................................................................................................................39 附录 A（规范性附录）地质灾害治理工程危险性较大的分部分项工程................................................. 40 本标准按 GB/T 1.1-2009 给出的规则进行起草。 本标准由重庆市规划和自然资源局提出并归口。
DB50/T 989-2020
地质灾害治理工程施工技术规范
Technical specification for construction of geological disaster control project
2020-06-01实施
2020-04-10发布 目 次 前 言...........................................................................................................................................................1 1范围................................................................................................................................................................. 1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4施工准备.........................................................................................................................................................2 4.1一般规定.................................................................................................................................................3 4.2临时设施.................................................................................................................................................3 4.3施工资源配置.........................................................................................................................................3 4.4测量工作.................................................................................................................................................4 5土石方工程.....................................................................................................................................................4 5.1一般规定.................................................................................................................................................4 5.2削方减载.................................................................................................................................................4 5.3回填反压.................................................................................................................................................6 5.4基槽开挖.................................................................................................................................................8 5.5坑槽填土.................................................................................................................................................9 5.6危岩清除...............................................................................................................................................10 6排水工程.......................................................................................................................................................11 6.1一般规定...............................................................................................................................................11 6.2截排水系统...........................................................................................................................................12 6.3排水孔...................................................................................................................................................13 6.4排水廊道...............................................................................................................................................13 7挡土墙工程...................................................................................................................................................15 7.1一般规定...............................................................................................................................................16 7.2基础.......................................................................................................................................................16 7.3墙体.......................................................................................................................................................17 7.4墙背回填...............................................................................................................................................19 8抗滑桩工程...................................................................................................................................................19 8.1一般规定...............................................................................................................................................19 8.2人工挖孔灌注桩...................................................................................................................................20 8.3机械钻孔灌注桩...................................................................................................................................23 9危岩工程.......................................................................................................................................................25 9.1一般规定...............................................................................................................................................25 9.2砂浆锚杆...............................................................................................................................................25 9.3预应力锚索...........................................................................................................................................28 9.4格构.......................................................................................................................................................29 9.5嵌补支撑...............................................................................................................................................30 9.6防护网...................................................................................................................................................30 10护岸(坡)工程.............................................................................................................................................34 10.1一般规定.............................................................................................................................................35 10.2水下抛石.............................................................................................................................................35 10.3护坡面板.............................................................................................................................................36 10.4生态植物.............................................................................................................................................36 11泥石流工程.................................................................................................................................................37 11.1一般规定.............................................................................................................................................37 11.2拦挡坝.................................................................................................................................................37 11.3排导槽.................................................................................................................................................38 11.4渡槽.....................................................................................................................................................38 12注浆加固工程.............................................................................................................................................38 12.1一般规定.............................................................................................................................................38 12.2地裂缝充填灌浆.................................................................................................................................39 12.3软弱带地层固结注浆.........................................................................................................................39 附录 A（规范性附录）地质灾害治理工程危险性较大的分部分项工程................................................. 40 本标准按 GB/T 1.1-2009 给出的规则进行起草。 本标准由重庆市规划和自然资源局提出并归口。
推荐下载
精品资源合集一键下载