ICS93.080CCSQ20DB42湖北省地方标准DB42/T1991—2023公路磷石膏复合稳定基层材料应用技术规程Codeofpracticeforapplicationofphosphogypsumcompositestabilizedbasematerialsinhighway2023-03-28发布2023-05-28实施湖北省市场监督管理局发布DB42/T1991—2023I目次前言................................................................................III1范围...............................................................................12规范性引用文件.....................................................................13术语和定义.........................................................................14原材料.............................................................................2磷石膏.........................................................................2水泥...........................................................................3矿渣粉.........................................................................3活性激发剂.....................................................................3集料与水.......................................................................35混合料组成设计.....................................................................3一般规定.......................................................................3强度要求.......................................................................4强度试验及计算.................................................................4水泥、矿渣粉、磷石膏的比例.....................................................4混合料级配.....................................................................5配合比设计技术要求.............................................................5环保性能要求...................................................................56路面结构及防水排水设计.............................................................6路面结构设计...................................................................6防水排水设计...................................................................67施工..................................
