DB11/T 775-2021 多孔混凝土铺装技术规程

DB11/T 775-2021 多孔混凝土铺装技术规程

DB11/T 775-2021 多孔混凝土铺装技术规程

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

相关资料