团体标准 T/JSJTQX14-2020 混凝土用混合型再生粗骨料 Mixedrecycledcoarseaggregateforconcrete 2020年12月27日发布 2021年01月01实施ICS91.100.30 Q13 江苏省交通企业协会发布 全国团体标准信息平台 I目次 前言.......................................................................................................................................................................III 1范围.....................................................................................................................................................................1 2规范性引用文件.................................................................................................................................................1 3术语和定义.........................................................................................................................................................1 4分类和规格.........................................................................................................................................................1 4.1分类..............................................................................................................................................................1 4.2规格..............................................................................................................................................................2 5技术要求.............................................................................................................................................................2 5.1颗粒级配......................................................................................................................................................2 5.2微粉含量和泥块含量..................................................................................................................................2 5.3吸水率..........................................................................................................................................................2 5.4压碎指标......................................................................................................................................................2 5.5针片状颗粒含量..........................................................................................................................................3 5.6有害物质含量..............................................................................................................................................3 5.7杂物含量......................................................................................................................................................3 5.8坚固性..........................................................................................................................................................3 5.9表观密度和空隙率......................................................................................................................................3 5.10碱集料反应................................................................................................................................................3 6试验方法.............................................................................................................................................................4 6.1试样..............................................................................................................................................................4 6.2试验环境和试验用筛..................................................................................................................................4 6.3颗粒级配......................................................................................................................................................4 6.4微粉含量......................................................................................................................................................4 6.5泥块含量......................................................................................................................................................5 6.6吸水率....................................