内容简介
DB32/T 3261-2017水利工程预拌混凝土应用技术规范
Technical specification for application of ready-mixed concrete in hydraulic engineering
2017-08-01 实施
2017-07-01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 一般规定.............................................................................................................................................................. 4
5 原材料.................................................................................................................................................................. 4
5.1 基本要求................................................................................................................................................... 4
5.2 胶凝材料................................................................................................................................................... 4
5.3 骨料........................................................................................................................................................... 5
5.4 水............................................................................................................................................................... 6
5.5 外加剂....................................................................................................................................................... 7
5.6 纤维........................................................................................................................................................... 7
6 配合比.................................................................................................................................................................. 7
6.1 基本要求................................................................................................................................................... 7
6.2 配合比设计............................................................................................................................................... 7
6.3 配合比调整............................................................................................................................................... 7
7 制备...................................................................................................................................................................... 8
7.1 基本要求................................................................................................................................................... 8
7.2 计量........................................................................................................................................................... 8
7.3 搅拌........................................................................................................................................................... 8
7.4 运输........................................................................................................................................................... 8
7.5 开盘鉴定................................................................................................................................................... 9
8 施工...................................................................................................................................................................... 9
8.1 基本要求................................................................................................................................................... 9
8.2 输送........................................................................................................................................................... 9
8.3 浇筑........................................................................................................................................................... 9
8.4 养护......................................................................................................................................................... 10
8.5 冬雨季施工............................................................................................................................................. 10
9 质量检验与评定................................................................................................................................................ 10
9.1 基本要求................................................................................................................................................. 10
9.2 出厂检验................................................................................................................................................. 11
9.3 交货检验................................................................................................................................................. 11
9.4 评定......................................................................................................................................................... 11
10 质量问题处理.................................................................................................................................................. 12
11 资料.................................................................................................................................................................. 12
12 特殊混凝土...................................................................................................................................................... 12
12.1 基本要求............................................................................................................................................... 12
12.2 自密实混凝土....................................................................................................................................... 13
12.3 水下不分散混凝土...............................................................................................................................13
12.4 微膨胀混凝土....................................................................................................................................... 14
12.5 高性能混凝土....................................................................................................................................... 14
12.6 大掺量矿物掺合料混凝土...................................................................................................................14
12.7 纤维混凝土........................................................................................................................................... 15
附录 A（规范性附录）混凝土原材料检验项目..................................................................................................16
附录 B（资料性附录）混凝土配合比参数限值.................................................................................................. 18
附录 C（资料性附录）抗冻混凝土拌和物含气量..............................................................................................19
附录 D（规范性附录）坍落度经时损失试验方法..............................................................................................20
附录 E（规范性附录）预拌混凝土标记.............................................................................................................. 21
附录 F（规范性附录）预拌混凝土开盘鉴定记录.............................................................................................. 22
附录 G（规范性附录）预拌混凝土交货检验记录..............................................................................................23
附录 H（规范性附录）水下不分散混凝土配制强度..........................................................................................24
参考文献.................................................................................................................................................................. 25
前言
本规范按照 GB/T 1.1―2009《标准化工作导则 第 1 部分：标准的结构和编写》的要求进行编排。
本规范附录 A、附录 D、附录 E、附录 F、附录 G、附录 H 为规范性附录，附录 B、附录 C 为资料性附录。
本规范由江苏省水利厅提出并归口。