内容简介
DB42/T 1716-2021帽型钢板桩与H型钢组合结构应用技术规程
Technical specification for application of Hat-type sheet pile and H-section steel composite structure
2021-11- 20实施
2021-07-20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 ......................................................................... 2
4 符号、代号及缩略语 ................................................................. 3
4.1 作用和作用效应 ................................................................. 3
4.2 抗力和材料性能 ................................................................. 3
4.3 几何参数 ....................................................................... 4
4.4 计算系数 ....................................................................... 4
5 基本规定 ........................................................................... 4
5.1 一般规定 ....................................................................... 4
5.2 调查与勘察 ..................................................................... 6
5.3 材料 ........................................................................... 6
5.4 防腐 ........................................................................... 6
5.5 结构设计 ....................................................................... 7
5.6 施工 ........................................................................... 7
5.7 监测 ........................................................................... 7
5.8 工程质量检验及验收 ............................................................. 7
6 调查与工程勘察 ..................................................................... 7
6.1 调查 ........................................................................... 7
6.2 工程勘察 ....................................................................... 8
6.3 专项技术研究 ................................................................... 8
7 材料 ............................................................................... 8
7.1 设计指标与设计参数 ............................................................. 8
8 结构设计 ........................................................................... 9
8.1 结构体系及结构选型 ............................................................. 9
8.2 基坑支护 ...................................................................... 10
8.3 围堰 .......................................................................... 14
8.4 防波堤与护岸 .................................................................. 15
8.5 码头 .......................................................................... 15
8.6 （半）地下建筑结构 ............................................................ 16
8.7 内支撑 ........................................................................ 17
9 构造要求 .......................................................................... 17
9.1 连接要求 ...................................................................... 17
9.2 制作要求 ...................................................................... 18
9.3 防渗构造措施 .................................................................. 19
10 施工 ............................................................................. 20
10.1 制作、运输和安装 ............................................................. 20
10.2 防护..........................................................................20
10.3 施工准备......................................................................20
10.4 沉桩..........................................................................21
10.5 拔桩..........................................................................21
10.6 施工检查......................................................................22
11 监测..............................................................................23
11.1 监测项目......................................................................23
11.2 监测点布置 ....................................................................24
11.3 监测频率......................................................................24
11.4 监测报警......................................................................25
12 工程质量检验及验收 ................................................................25
12.1 质量检验......................................................................25
12.2 结构不合格情况处理 ............................................................27
12.3 验收..........................................................................27
附录 A（规范性） Hat+H 组合桩截面计算规定及常用规格 ...........28
附录 B（规范性） 腐蚀环境分类 ........................................................33
附录 C（规范性） Hat+H 组合桩防腐蚀措施 ....................................34
C.1 腐蚀裕量法 .....................................................................34
C.2 涂层保护.......................................................................34
C.3 金属热喷涂 .....................................................................34
C.4 阴极保护.......................................................................35
附录 D（规范性） 金属热喷涂常用的封闭剂、封闭涂料和涂装涂料.......36
条文说明..............................................................................38