DB63/T 1674-2018 多年冻土区公路隧道技术规范
简介
DB63/T 1674-2018
多年冻土区 公路隧道技术规范
2018-09-25实施
2018-06-25发布 目 次 前言 ............................................................................... 1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语与定义 ........................................................................ 1 3.1 ................................................................................ 1 高海拔高寒地区 ..................................................................... 1 3.2 ................................................................................ 1 冻土 ............................................................................... 1 3.3 ................................................................................ 1 多年冻土 ........................................................................... 1 3.4 ................................................................................ 2 多年冻土上限 ....................................................................... 2 3.5 ................................................................................ 2 多年冻土下限 ....................................................................... 2 3.6 ................................................................................ 2 最大冻土深度 ....................................................................... 2 3.7 ................................................................................ 2 冻融作用 ........................................................................... 2 3.8 ................................................................................ 2 冻胀作用 ........................................................................... 2 3.9 ................................................................................ 2 冻胀力 ............................................................................. 2 3.10 ............................................................................... 2 热棒 ............................................................................... 2 4 建设条件调查 ...................................................................... 2 4.1 资料搜集 ...................................................................... 2 4.2 地形与地质调查 ................................................................ 3 4.3 气象调查 ...................................................................... 3 4.4 工程环境调查 .................................................................. 3 5 隧道总体设计 ...................................................................... 3 5.1 一般规定 ...................................................................... 3 5.2 隧道位置选择 .................................................................. 4 5.3 隧道线形设计 .................................................................. 4 5.4 隧道结构形式 .................................................................. 5 6 建筑限界与内轮廓 .................................................................. 6 6.1 一般规定 ...................................................................... 6 6.2 建筑限界 ...................................................................... 6 6.3 内轮廓 ........................................................................ 6 7 支护结构设计与施工 ................................................................ 6 7.1 一般规定 ...................................................................... 6 7.2 荷载及计算 .................................................................... 7 7.3 初期支护与辅助工程措施施工 .................................................... 8 7.4 二次衬砌施工 .................................................................. 8 8 防排水设计与施工 .................................................................. 8 8.1 防排水基本原则 ................................................................ 8 8.2 洞身防水设计与施工 ............................................................ 9 8.3 洞身排水设计与施工 ............................................................ 9 9 隧道开挖 ......................................................................... 10 9.1 一般规定 ..................................................................... 10 9.2 开挖方法 ..................................................................... 11 9.3 超欠挖控制 ................................................................... 11 10 隧道防寒保温设计与施工 .......................................................... 11 10.1 一般规定 .................................................................... 11 10.2 衬砌保温 .................................................................... 11 10.3 出水口保温 .................................................................. 11 10.4 防雪棚洞 .................................................................... 12 11 冻土隧道施工机械配套技术 ........................................................ 12 11.1 一般规定 .................................................................... 12 11.2 动力机械配套技术 ............................................................ 12 11.3 掘进及支护机械配套技术 ...................................................... 12 11.4 装卸运输机械配套技术 ........................................................ 13 11.5 通风机械配套技术 ............................................................ 13 11.6 其他配属设备 ................................................................ 13 附录 A（资料性附录） 冻土隧道建筑限界及内轮廓 ....................................... 14 附录 B（规范性附录） 冻胀力计算..................................................... 19 附录 C（规范性附录） 特殊冻土地层施工 ............................................... 20 C.1 洞口冻土边仰坡 ............................................................... 20 C.2 洞口冻土浅埋段 ............................................................... 20 C.3 洞内厚层地下冰 ............................................................... 20 本标准按照 GB/T 1.1-2009给出的规则编写。 本标准由青海省交通运输厅提出并归口。
DB63/T 1674-2018
多年冻土区 公路隧道技术规范
2018-09-25实施
2018-06-25发布 目 次 前言 ............................................................................... 1 1 范围 .............................................................................. 1 2 规范性引用文件 .................................................................... 1 3 术语与定义 ........................................................................ 1 3.1 ................................................................................ 1 高海拔高寒地区 ..................................................................... 1 3.2 ................................................................................ 1 冻土 ............................................................................... 1 3.3 ................................................................................ 1 多年冻土 ........................................................................... 1 3.4 ................................................................................ 2 多年冻土上限 ....................................................................... 2 3.5 ................................................................................ 2 多年冻土下限 ....................................................................... 2 3.6 ................................................................................ 2 最大冻土深度 ....................................................................... 2 3.7 ................................................................................ 2 冻融作用 ........................................................................... 2 3.8 ................................................................................ 2 冻胀作用 ........................................................................... 2 3.9 ................................................................................ 2 冻胀力 ............................................................................. 2 3.10 ............................................................................... 2 热棒 ............................................................................... 2 4 建设条件调查 ...................................................................... 2 4.1 资料搜集 ...................................................................... 2 4.2 地形与地质调查 ................................................................ 3 4.3 气象调查 ...................................................................... 3 4.4 工程环境调查 .................................................................. 3 5 隧道总体设计 ...................................................................... 3 5.1 一般规定 ...................................................................... 3 5.2 隧道位置选择 .................................................................. 4 5.3 隧道线形设计 .................................................................. 4 5.4 隧道结构形式 .................................................................. 5 6 建筑限界与内轮廓 .................................................................. 6 6.1 一般规定 ...................................................................... 6 6.2 建筑限界 ...................................................................... 6 6.3 内轮廓 ........................................................................ 6 7 支护结构设计与施工 ................................................................ 6 7.1 一般规定 ...................................................................... 6 7.2 荷载及计算 .................................................................... 7 7.3 初期支护与辅助工程措施施工 .................................................... 8 7.4 二次衬砌施工 .................................................................. 8 8 防排水设计与施工 .................................................................. 8 8.1 防排水基本原则 ................................................................ 8 8.2 洞身防水设计与施工 ............................................................ 9 8.3 洞身排水设计与施工 ............................................................ 9 9 隧道开挖 ......................................................................... 10 9.1 一般规定 ..................................................................... 10 9.2 开挖方法 ..................................................................... 11 9.3 超欠挖控制 ................................................................... 11 10 隧道防寒保温设计与施工 .......................................................... 11 10.1 一般规定 .................................................................... 11 10.2 衬砌保温 .................................................................... 11 10.3 出水口保温 .................................................................. 11 10.4 防雪棚洞 .................................................................... 12 11 冻土隧道施工机械配套技术 ........................................................ 12 11.1 一般规定 .................................................................... 12 11.2 动力机械配套技术 ............................................................ 12 11.3 掘进及支护机械配套技术 ...................................................... 12 11.4 装卸运输机械配套技术 ........................................................ 13 11.5 通风机械配套技术 ............................................................ 13 11.6 其他配属设备 ................................................................ 13 附录 A（资料性附录） 冻土隧道建筑限界及内轮廓 ....................................... 14 附录 B（规范性附录） 冻胀力计算..................................................... 19 附录 C（规范性附录） 特殊冻土地层施工 ............................................... 20 C.1 洞口冻土边仰坡 ............................................................... 20 C.2 洞口冻土浅埋段 ............................................................... 20 C.3 洞内厚层地下冰 ............................................................... 20 本标准按照 GB/T 1.1-2009给出的规则编写。 本标准由青海省交通运输厅提出并归口。
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