DB43/T 2777-2023 沥青路面水泥稳定就地冷再生应用技术规范

ICS93.080

CCSP66

43

湖南省地方标准

DB43/T2777—2023

沥青路面水泥稳定就地冷再生

应用技术规范

Technicalspecificationsofapplicationforcementstabilizedcold

in-placerecyclingasphaltpavement

2023-11-09发布2024-02-09实施

湖南省市场监督管理局发布

DB43/T2777—2023

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缩略语··················································································································2

5路况调查与评价······································································································2

5.1一般规定·········································································································2

5.2资料收集·········································································································2

5.3调查与检测······································································································3

5.4评价与分析······································································································3

6结构设计···············································································································3

6.1一般规定·········································································································3

6.2结构组合设计···································································································3

6.3典型结构·········································································································4

7材料·····················································································································6

7.1一般规定·········································································································6

7.2沥青路面回收料（RMAP）····················································································6

7.3水泥···············································································································7

7.4新集料············································································································7

7.5水··················································································································7

8冷再生混合料配合比设计··························································································7

8.1一般规定·········································································································7

8.2级配要求·········································································································7

8.3强度要求·········································································································8

8.4配合比设计······································································································8

9水泥稳定就地冷再生施工··························································································8

9.1一般规定·········································································································8

9.2施工前准备······································································································9

9.3试验段施工····································································································10

9.4布料·············································································································10

9.5铣刨·············································································································10

9.6碾压整形·······································································································11

9.7接缝处理·······································································································11

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DB43/T2777—2023

9.8养生·············································································································11

9.9交通管制·······································································································12

10施工质量管理与检查验收······················································································12

10.1一般规定·····································································································12

10.2原材料质量管理····························································································12

10.3施工过程质量管理·························································································12

10.4验收············································································································13

附录A（规范性）水泥稳定就地冷再生混合料配合比设计方法··········································15

A.1取样·············································································································15

A.2级配设计·······································································································15

A.3确定最大干密度和最佳含水率············································································15

A.4成型试件（静压成型）·····················································································15

A.5确定水泥最佳用量···························································································16

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DB43/T2777—2023

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、湖南省公路事务中心、湖南省湘筑工程有限公

司、湖南省路桥集团有限公司、湖南省通盛工程有限公司、湖南佳林建设集团有限公司、长沙市公路桥

梁建设有限责任公司、湖南省浏阳市公路建设养护中心。

本文件主要起草人：黄开宇、赵林岚、刘奇、吕绍文、何艳春、范海军、熊先勇、曹才勇、谷莉、

谢祥根、罗长林、李翱、喻峥嵘、姚童刚、黄静宇、姜引利、杨春会、杨梦、胡彬、张允宝、付慧建、

孙剑峰、叶鑫、戴瑶、何伟军、王宏祥、黄科、周梓豪、易卫锋、唐鹏程、张迎春、谭金祥、戴驰、邹

伟、燕平、周文理、彭昭、赵丽、龙英、彭敏捷、姚胜、林立军。

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DB43/T2777—2023

IV

DB43/T2777—2023

沥青路面水泥稳定就地冷再生应用技术规范

1范围

本文件规定了沥青路面水泥稳定就地冷再生的路况调查与评价、结构设计、材料、混合料配合比设

计、施工、施工质量管理与检查验收的要求。

本文件适用于各等级公路既有沥青路面水泥稳定就地冷再生工程的设计、施工和检查验收。城市道

路工程可参照执行。

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

GB5749生活饮用水卫生标准

JTG3450公路路基路面现场测试规程

JTG5142公路沥青路面养护技术规范

JTG5210公路技术状况评定标准

JTG5220公路养护工程质量检验评定标准

JTG5421公路沥青路面养护设计规范

JTG/T5521公路沥青路面再生技术规范

JTGD50公路沥青路面设计规范

JTGE42公路工程集料试验规程

JTGE51公路工程无机结合料稳定材料试验规程

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

JTGH30公路养护安全作业规程

3术语和定义

下列术语和定义适用于本文件。

3.1

水泥稳定就地冷再生cementstabilizedcoldin-placerecycling

采用专用的就地冷再生设备，对沥青层与部分基层进行就地铣刨、破碎，或将沥青层部分或全部移

除后对部分下承层进行就地铣刨、破碎，同时添加一定比例的新集料、水泥和水，进行拌和、摊铺和碾

压，形成路面结构层的沥青路面再生技术。

3.2

沥青混合料回收料reclaimedasphaltpavement（RAP）

采用专用设备（如铣刨机或就地冷再生机）将旧沥青路面铣刨、破碎后所获得的旧沥青混合料。

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3.3

无机回收料reclaimedaggregateorreclaimedinorganicbinderstabilizedaggregate（RAI）

采用专用设备（如铣刨机或就地冷再生机）将沥青路面基层或底基层铣刨、破碎后所获得的旧无机

结合料稳定粒料或旧无结合料粒料。

3.4

沥青路面回收料reclaimedmaterialsfromasphaltpavement（RMAP）

采用专用设备（如铣刨机或就地冷再生机）将沥青路面铣刨、破碎后所获得的旧路面材料，包括沥

青混合料回收料（RAP）、无机回收料（RAI）。

3.5

冷再生混合料coldrecyclingmixture

冷再生时含有沥青路面回收材料（RMAP）的混合料。

3.6

冷再生混合料级配gradationofcoldrecyclingmixture

冷再生混合料中沥青路面回收料（RMAP）与新掺集料的合成级配。

3.7

再生深度recyclingdepth

再生设备设定的铣刨深度，一般指原路面标高与再生层底面标高之差。

3.8

再生层厚度recyclinglayerthickness

再生层设计顶面标高与底面标高之差。

3.9

再生作业宽度recyclingoperationwidth

根据路面宽度与再生设备工作宽度最优组合确定的单机作业宽度。

4缩略语

下列缩略语适用于本文件。

RAP：沥青混合料回收料

RAI：无机回收料

RMAP：沥青路面回收料

5路况调查与评价

5.1一般规定

水泥稳定就地冷再生工程在实施前应对原公路等级、修建时间、路面结构、路面材料、养护维修历

史等信息与既有路面技术状况、交通流量、轴载分布等内容进行调查、检测和评价，验证采用水泥稳定

就地冷再生方案的可行性。

5.2资料收集

5.2.1原设计文件、竣工图等相关资料。

5.2.2运营期间的养护资料和路面检测资料。

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5.2.3交通量、车辆构成、轴载分布和交通量增长率等资料。

5.2.4所在地区的气候、水文、地质、沿线筑路材料和环境条件等资料。

5.3调查与检测

5.3.1路面调查应包括但不限于道路基本信息、自然条件、管养信息、交通状况、筑路材料、排水条

件、经济参数等。

5.3.2路面检测宜采用自动化检测结合人工检测的方式，检测项目应包括路面技术状况、路面结构强

度、结构层完整性、筑路材料性能、路面结构参数和排水系统状况。检测要求与频率应符合JTG5210、

JTG5421的规定。