内容简介
JTG/T 2321-2021公路工程利用建筑垃圾技术规范
Technical Specifications for Utilization of Construction Waste in Highway Engineering（报批稿）
2021-11-01实施
2021-08-09发布
目 次
1 总则..........................................................................................................................1
2 术语..........................................................................................................................2
3 生产加工..................................................................................................................4
3.1 一般规定................................................................................................................... 4
3.2 场地建设................................................................................................................... 5
3.3 加工工艺................................................................................................................... 6
3.4 加工设备................................................................................................................... 7
3.5 污染防治................................................................................................................. 10
3.6 安全生产管理......................................................................................................... 10
4技术要求与应用范围............................................................................................11
4.1 一般规定................................................................................................................. 11
4.2Ⅰ类建筑垃圾再生材料......................................................................................... 11
4.3 Ⅱ类建筑垃圾再生材料......................................................................................... 14
4.4 Ⅲ类建筑垃圾再生材料......................................................................................... 16
4.5 应用范围................................................................................................................. 17
5路基........................................................................................................................19
5.1 一般规定................................................................................................................. 19
5.2 路基填筑................................................................................................................. 19
5.3 台背回填................................................................................................................. 21
5.4 地基处理................................................................................................................. 22
5.5 质量检查与验收..................................................................................................... 25
6 路面基层................................................................................................................28
6.1 一般规定................................................................................................................. 28
6.2 设计要求................................................................................................................. 29
6.3 水泥稳定类............................................................................................................. 30
6.4 水泥粉煤灰稳定类................................................................................................. 31
6.5 石灰粉煤灰稳定类................................................................................................. 32
6.6 施工......................................................................................................................... 33
6.7 质量检查与验收..................................................................................................... 35
7 水泥混凝土构件....................................................................................................38
7.1 一般规定................................................................................................................. 38
7.2 技术要求................................................................................................................. 39
7.3 配合比设计............................................................................................................. 40
7.4 构件制作................................................................................................................. 43
7.5 质量检查与验收..................................................................................................... 44
附录 A 再生混凝土颗粒含量及轻质杂物含量试验方法.........................................48
附录 B 再生材料最大干密度及压实度确定方法.....................................................50
本规范用词用语说明..................................................................................................51