目 录
1 总则 .............................................................................................................................................. 1 2 术语 .............................................................................................................................................. 2 3 基本规定 ...................................................................................................................................... 4 4 工程调查 ...................................................................................................................................... 5 4.1一般规定 ................................................................................................................................ 5 4.2 调查分析内容 ....................................................................................................................... 5 5 材料 .............................................................................................................................................. 8 5.1一般规定 ................................................................................................................................ 8 5.2泡沫混凝土 ............................................................................................................................ 8 5.3 EPS颗粒混合轻质材料 ......................................................................................................... 9 5.4 低强度流动性固化土 ......................................................................................................... 11 6 设计 ............................................................................................................................................ 13 6.1一般规定 .............................................................................................................................. 13 6.2方案设计 .............................................................................................................................. 13 6.3性能设计 .............................................................................................................................. 14 6.4构造设计 .............................................................................................................................. 16 6.5 辅助工程设计 ..................................................................................................................... 19 7 施工 ............................................................................................................................................ 20 7.1一般规定 .............................................................................................................................. 20 7.2施工准备 .............................................................................................................................. 20 7.3泵送法施工 .......................................................................................................................... 20 7.4碾压法施工 .......................................................................................................................... 21 7.5混合法施工 .......................................................................................................................... 22 8 监测 ............................................................................................................................................ 24 8.1 一般规定 ............................................................................................................................. 24 8.2 监测项目与方法 ................................................................................................................. 24 8.3 监测点布置及监测频率 ..................................................................................................... 25 8.4 监测成果文件 ..................................................................................................................... 26 9 质量检验 .................................................................................................................................... 27 9.1 一般规定 ............................................................................................................................. 27 9.2 材料检验 ............................................................................................................................. 27 9.3 施工过程质量检验 ............................................................................................................. 27 9.4 回填质量检验 ..................................................................................................................... 28
本规程用词说明 ............................................................................................................................ 30 引用标准名录 ................................................................................................................................ 31 条文说明 ........................................................................................................................................ 32
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Contents
1 General provisions ...................................................................................................... 1 2 Terms .......................................................................................................................... 2 3 Primitive provisions .................................................................................................... 4 4 Engineering survey ..................................................................................................... 5
4.1 General rules .................................................................................................................... 5 4.2 Investigation and analysis................................................................................................ 5
5 Materials ..................................................................................................................... 8
5.1 General rules .................................................................................................................... 8 5.2 Foamed concrete .............................................................................................................. 8 5.3 EPS beads-mixed lightweight material ........................................................................... 9 5.4 Controlled low strength cemented soil .......................................................................... 11
6 Design ....................................................................................................................... 13
6.1 General rules .................................................................................................................. 13 6.2 Backfilling design .......................................................................................................... 13 6.3 Backfill index and check calculation ............................................................................. 14 6.4 Backfill technology ....................................................................................................... 16 6.5 Auxiliary backfilling ..................................................................................................... 19
7 Construction .............................................................................................................. 20
7.1 General rules .................................................................................................................. 20 7.2 Pre-construction preparation ......................................................................................... 20 7.3 Pump-down method ...................................................................................................... 20 7.4 Compaction method ...................................................................................................... 21 7.5 Combined method ......................................................................................................... 22
8 Monitoring ................................................................................................................ 24
8.1 General rules .................................................................................................................. 24 8.2 Monitoring objects and methods ................................................................................... 24 8.3 Monitoring site layout and frequency ............................................................................ 25 8.4 Collation of monitoring results ...................................................................................... 26
9 Quality Control ......................................................................................................... 27
9.1 General rules .................................................................................................................. 27 9.2 Raw materials ................................................................................................................ 27 9.3 Construction process ..................................................................................................... 27 9.4 Backfilling ..................................................................................................................... 28
Description of wording in this specification ................................................................ 30 List of quoted standards ............................................................................................... 31
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Provisions description .................................................................................................. 32
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1 总则
1.0.1 为引导、促进和规范轻质材料在城市地下空间回填工程中的应用，使工程做到技术先进、安全可靠、绿色节能、经济合理，制定本规程。
1.0.2 本规程适用于采用轻质材料回填城市地下室、早期人防工程、废弃管道或涵洞、地面塌陷空洞等地下空间的工程调查、材料、设计、施工、监测与工程质量检验。
1.0.3 城市地下空间轻质材料回填除应符合本规程外，尚应符合国家现行有关标准的规定。
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城市地下空间泡沫混凝土回填技术 - 图文
