内容简介
糖 号∶DB11/T 775-2021多孔混凝土铺装技术规程
Technical specification for porous concrete pavement
2021-10-01 实施
2021-06一28发布
目 次
1 总 则....................................................................................................................................................4
2 术 语....................................................................................................................................................5
3 设 计....................................................................................................................................................7
3.1 一般规定....................................................................................................................................7
3.2 铺装断面结构............................................................................................................................7
3.3 透水混凝土面层......................................................................................................................10
3.4 透水混凝土结构层..................................................................................................................11
3.5 透水混凝土路面基层..............................................................................................................11
4 施工准备..............................................................................................................................................13
5 原材料要求与配合比设计..................................................................................................................14
5.1 原材料要求..............................................................................................................................14
5.2 混凝土配合比设计..................................................................................................................14
5.3 预拌透水混凝土的技术要求..................................................................................................15
6 透水基层施工......................................................................................................................................17
6.1 一般规定..................................................................................................................................17
6.2 施工..........................................................................................................................................17
7 模板的支设..........................................................................................................................................18
7.1 一般规定..................................................................................................................................18
7.2 模板材料的要求......................................................................................................................18
7.3 模板的支设与检验方法..........................................................................................................18
8 透水结构层的施工..............................................................................................................................19
9 透水面层的施工..................................................................................................................................20
9.1 一般规定..................................................................................................................................20
9.2 面层混凝土的技术要求..........................................................................................................20
9.3 施工工艺与方法......................................................................................................................20
10 植生混凝土的施工............................................................................................................................22
11 路面的养护与模板拆除....................................................................................................................23
12 缩缝、胀缝和施工缝的留置............................................................................................................24
12.1 一般规定................................................................................................................................24
12.2 缩缝........................................................................................................................................24
12.3 胀缝........................................................................................................................................25
12.4 施工缝....................................................................................................................................25
13 季节性施工........................................................................................................................................26
13.1 一般规定................................................................................................................................26
13.2 材料、机具的准备与防护....................................................................................................26
13.3 混凝土运输与浇筑................................................................................................................26
13.4 养护........................................................................................................................................26
14 质量检测与验收................................................................................................................................27
14.1 主控项目................................................................................................................................27
14.2 一般项目................................................................................................................................27
15 运行与维护........................................................................................................................................28
附录 A 透水混凝土强度试验.................................................................................................................29
附录 B 透水混凝土现场取芯强度试验.................................................................................................31
附录 C 透水混凝土路面透水性试验方法.............................................................................................33
附录 D 透水混凝土孔隙率试验方法.....................................................................................................35
附录 E 植生混凝土中溶出碱的试验方法.............................................................................................37
本规程用词说明......................................................................................................................................38
引用标准名录..........................................................................................................................................39