内容简介
DB32/T 2333-2013水利工程混凝土耐久性技术规范
Technical specification for durability on concrete of hydraulic engineering
2013-05-30 发布
2013-07-30实施
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 总则 ..................................................................................................................................................................... 3
4.1 一般规定 ..................................................................................................................................................... 3
4.2 设计使用年限 ............................................................................................................................................. 3
4.3 环境作用等级 ............................................................................................................................................. 4
5 设计要求 ............................................................................................................................................................... 5
5.1 一般规定 ..................................................................................................................................................... 5
5.2 混凝土强度 ................................................................................................................................................. 5
5.3 混凝土耐久性指标 ..................................................................................................................................... 6
5.4 混凝土结构构造 ......................................................................................................................................... 7
5.5 耐久性附加措施 ......................................................................................................................................... 8
6 施工要求 ............................................................................................................................................................... 8
6.1 一般规定 ..................................................................................................................................................... 8
6.2 原材料 ......................................................................................................................................................... 8
6.2.1 胶凝材料 ............................................................................................................................................ 8
6.2.2 骨料 .................................................................................................................................................... 9
6.2.3 外加剂 ................................................................................................................................................ 9
6.2.4 水 ........................................................................................................................................................ 9
6.3 混凝土配合比 ........................................................................................................................................... 10
6.4 混凝土施工 ................................................................................................................................................11
6.4.1 模板制作安装 ...................................................................................................................................11
6.4.2 混凝土保护层 .................................................................................................................................. 12
6.4.3 混凝土制备 ...................................................................................................................................... 12
6.4.4 混凝土浇筑 ...................................................................................................................................... 12
6.4.5 混凝土养护 ...................................................................................................................................... 12
6.4.6 混凝土温度控制 .............................................................................................................................. 13
6.5 混凝土缺陷处理 ....................................................................................................................................... 13
7 检验评价 ............................................................................................................................................................. 13
7.1 检验 ........................................................................................................................................................... 13
7.2 评价 ........................................................................................................................................................... 13
8 运行检测维修 ..................................................................................................................................................... 14
8.1 运行 ........................................................................................................................................................... 14
8.2 检测 ......................................................................................................................................................... 14
8.3 维修 ........................................................................................................................................................... 14
前 言
江苏省地处江淮，滨临黄海，属亚热带向暖温带过渡地区，气温正负交替频繁，水环境复杂，水利工程混凝土受碳化、氯离子侵蚀、冻融侵蚀、化学侵蚀等劣化作用影响日益显现。
为提高水利工程混凝土耐久性，规范混凝土耐久性技术工作，参照国内相关标准，编制《水利工程混凝土耐久性技术规范》，规定了设计、施工、运行等阶段混凝土耐久性技术要求。
本规范依据 GB/T 1.1--2009《标准化工作导则 第 1 部分：标准的结构和编写》编制。
本规范附录 A 为规范性附录。
本规范由江苏省水利厅提出并归口。