发布ICS93.080.20 CCSP66 团体标准 T/JSJTQX77—2025 路用改性钛石膏 Modifiedtitaniumgypsumforroadengineering 2025-08-26发布 2025-09-01实施 江苏省交通企业协会 全国团体标准信息平台 全国团体标准信息平台 T/JSJTQX77—2025 I 全国团体标准信息平台 T/JSJTQX77—2025 II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分类与标记.........................................................................................................................................................2 4.1分类.........................................................................................................................................................2 4.2标记.........................................................................................................................................................2 5技术要求..............................................................................................................................................................2 5.1钛石膏.....................................................................................................................................................2 5.2素土.........................................................................................................................................................2 5.3石灰.........................................................................................................................................................2 5.4路用改性钛石膏.....................................................................................................................................2 6试验方法..............................................................................................................................................................3 6.1pH值........................................................................................................................................................3 6.2附着水（H2O）含量（湿基）..............................................................................................................3 6.3水溶性氧化钾（K2O）含量（干基）.................................................................................................3 6.4水溶性氧化钾（MgO）含量（干基）...............................................................................................3 6.5三氧化二铁（Fe2O3）含量....................................................................................................................4 6.6内照射指数（IRa）、外照射指数（Ir）................................................................................................4 6.7液限、塑限.............................................................................................................................................4 6.8承载比.....................................................................................................................................................4 6.9压实度.....................................................................................................................................................4 6.107d水稳系数...........................................................................................................................................4 6.11自由膨胀率...........................................................................................................................................4 6.12浸出重金属含量...................................................................................................................................4 7检验规则...................