DB43/T 3077-2024 道路固化土应用技术标准

ICS93.080.01

CCSP66

43

湖南省地方标准

DB43/T3077—2024

道路固化土应用技术规范

Technicalspecificationsforapplicationofroadstabilizedsoil

2024-08-30发布2024-11-30实施

湖南省市场监督管理局发布

DB43/T3077—2024

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材料·················································································································2

4.1一般规定······································································································2

4.2土料···········································································································2

4.3无机结合料···································································································3

4.4土壤固化剂···································································································3

5设计·················································································································3

5.1一般规定······································································································3

5.2固化土路基设计·····························································································3

5.3固化土基层和底基层设计·················································································4

6施工·················································································································6

6.1一般规定······································································································6

6.2施工前准备···································································································6

6.3路拌法施工···································································································7

6.4厂拌法施工···································································································8

7质量管理与检查验收·····························································································8

7.1一般规定······································································································8

7.2原材料质量控制·····························································································8

7.3施工过程质量控制··························································································8

7.4检查验收······································································································9

附录A（规范性）固化土取样、成型、养生和无侧限抗压强度试验······································10

A.1适用范围····································································································10

A.2分料及料堆取料···························································································10

A.3试验室分料·································································································10

A.4施工过程中混合料取样··················································································10

A.5试件成型····································································································10

A.6养生·········································································································12

A.7无侧限抗压强度试验·····················································································12

附录B（资料性）固化土施工工艺流程······································································14

B.1路拌法施工工艺···························································································14

B.2厂拌法施工工艺···························································································14

I

DB43/T3077—2024

II

DB43/T3077—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规

定起草。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由湖南省交通运输厅提出并归口。

本文件起草单位：湖南省交通科学研究院有限公司、中榕规划设计有限公司、中南大学、湖南建工

交通建设有限公司、常德熠联新材料有限公司、湖南省益阳公路桥梁建设有限责任公司、贵州水路城建

设有限公司、湖南正道建筑工程有限公司、长沙垚森工程科技有限公司、长沙经济技术开发区城建开发

有限公司、安徽中桥建设集团有限公司、中铁二十五局集团第四工程有限公司、中铁城建集团南昌建设

有限公司、湖南省醴潭高速公路建设开发有限公司、南昌市公路事业发展中心、湖南省交通建设质量监

督检测有限公司、湖南省交通建设工程监理有限公司。

本文件主要起草人：李志勇、郑长安、陈宇亮、刘海鸿、汪优、黄勇军、伍文华、张迅、周旭、王

振宇、刘迪祥、张园操、刘焕、钟文、廖楚英、龙庆辉、姚丹、邓敏、陈宝光、陈海龙、左杨、方珍珍、

王斌、曾绍勤、刘旭、吴海军、李剑波、孙剑峰、夏永峰、严敏、黄毅、郑祖恩、孟凡威、王宏祥、杨

方伟、汤兆新、覃翔、肖源杰、刘小明、代芳、汤影、冯星、龙英、郭理、任毅、曾辉、杨黎、张怡凡、

叶金科、梁月祝。

III

DB43/T3077—2024

IV

DB43/T3077—2024

道路固化土应用技术规范

1范围

本文件规定了道路固化土应用的材料、设计、施工、质量管理与检查验收等内容。

本文件适用于各等级公路与城市道路的固化土路基和固化土基层、底基层的设计、施工与检查验收。

机场、厂矿和林区等专用道路可参照使用。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，

仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本

文件。

GB175通用硅酸盐水泥

GB/T1596用于水泥和混凝土中的粉煤灰

GB5085.3危险废物鉴别标准浸出毒性鉴别

GB8978污水综合排放标准

GB/T25499城市污水再生利用绿地灌溉水质

CJJ1城镇道路工程施工与质量验收规范

CJJ169城镇道路路面设计规范

CJJ194城市道路路基设计规范

CJJ/T286土壤固化剂应用技术标准

CJ/T486土壤固化外加剂

HJ/T299固体废物浸出毒性浸出方法硫酸硝酸法

JC/T479建筑生石灰

JC/T481建筑消石灰

JGJ63混凝土用水标准

JTGD30公路路基设计规范

JTGD50公路沥青路面设计规范

JTG/TF20公路路面基层施工技术细则

JTGF80/1公路工程质量检验评定标准第一册土建工程

JTG3430公路土工试验规程

JTG3441公路工程无机结合料稳定材料试验规程

JTG/T3610公路路基施工技术规范

3术语和定义

下列术语和定义适用于本文件。

1

DB43/T3077—2024

3.1

土壤固化剂soilstabilizer

加入土料中，通过与土料、无机结合料、水和空气的物理与（或）化学反应，改善土料工程性能的

材料，分为粉体和液体两类。

[来源：CJJ/T286—2018,2.0.3,有修改]

3.2

固化土混合料stabilizedsoilmixtures

由土壤固化剂、无机结合料与土料按比例均匀拌和而成的混合料，或由土壤固化剂与土料按比例均

匀拌和而成的混合料。

[来源：CJJ/T286—2018,2.0.6,有修改]

3.3

固化土stabilizedsoil

固化土混合料在压实和养生后，性能达到工程应用要求的土，分为水泥类固化土、石灰类固化土、

水泥粉煤灰类固化土、石灰粉煤灰类固化土及无结合料类固化土。

[来源：CJJ/T286—2018,2.0.7,有修改]

4材料

4.1一般规定

采用特殊土、工程渣土、工业尾矿、冶炼废渣、建筑垃圾再生料、污泥、淤泥等废弃物作为主要原

料时，相关指标应符合GB5085.3、GB8978、GB/T25499等规范有关环保的规定。如超标，需处理合

格后，方可使用。

4.2土料

4.2.1土料最大粒径及有机质含量宜满足表1要求。

表1土料要求

检测项目技术要求试验方法

路基土料最大粒径/mm≤40

JTG3430T0115

基层、底基层土料最大粒径/mm≤30

有机质含量（质量比）/％≤10JTG3430T0151

4.2.2土样的采集、试样制备和土料检测应符合JTG3430的有关规定，检验内容应满足表2要求。

表2土料检验内容

检测项目必检/选检试验方法

天然含水率选检JTG3430T0103

颗粒分析必检JTG3430T0115

液塑限选检JTG3430T0118

有机质含量必检JTG3430T0151

最佳含水率和最大干密度必检JTG3430T0131

2

DB43/T3077—2024

表2土料检验内容（续）

检测项目必检/选检试验方法

CBR值选检JTG3430T0134

pH值选检JTG3430T0149

浸出毒性选检HJ/T299、GB5085.3

4.3无机结合料

4.3.1水泥宜采用硅酸盐水泥或普通硅酸盐水泥，强度等级宜不低于42.5级，并应符合JTG/TF20

的有关规定。

4.3.2石灰应采用消石灰或生石灰粉，并应符合JC/T481、JC/T479和JTG/TF20的有关规定。

4.3.3粉煤灰应符合GB/T1596和JTG/TF20的有关规定。

4.4土壤固化剂

土壤固化剂的匀质性指标、可溶性重金属离子含量、检测试件性能指标、液体土壤固化剂的稳定性

要求及粉体土壤固化剂的细度要求均应符合CJ/T486的有关规定。

5设计

5.1一般规定

5.1.1设计应根据不同道路等级和交通荷载等级要求选择技术可靠、经济合理的设计方案，并应符合

JTGD30、JTGD50、CJJ169、CJJ194的有关规定。

5.1.2固化土混合料应通过重型击实试验测定最佳含水率和最大干密度，试验方法应符合JTG3441

的有关规定。

5.1.3固化土混合料的4h凝结时间影响系数、水稳系数、28d抗冻性能应满足