DB42T 2307—2024城镇道路过硫磷石膏胶凝材料稳定基层技术规程.docx

ICS93.080

CCSQ20

DB42

湖

北

省

地

方

标

准

DB42/T2307—2024

城镇道路过硫磷石膏胶凝材料稳定基层技

术规程（试行）

TechnicalProceduresforapplicationofexcess-sulfatephosphogypsum

roadbasematerialsinurbanroad

2024-11-04发布

2024-03-04实施

湖北省住房和城乡建设厅

湖北省市场监督管理局

联合发布

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原材料要求..........................................................................2

一般规定........................................................................2

磷石膏..........................................................................2

矿物掺合料......................................................................3

碱激发剂........................................................................3

过硫磷石膏胶凝材料..............................................................3

粗集料..........................................................................4

细集料..........................................................................5

水..............................................................................5

5混合料组成设计......................................................................5

一般规定........................................................................5

强度要求........................................................................5

结合料的掺配比例................................................................5

混合料推荐级配及技术要求........................................................6

目标配合比设计..................................................................6

生产配合比设计..................................................................6

6混合料生产、摊铺及碾压..............................................................7

一般规定.........................