DB43/T 2778-2023 旧水泥混凝土路面共振碎石化应用技术规范

ICS93.080

CCSP66

43

湖南省地方标准

DB43/T2778—2023

旧水泥混凝土路面共振碎石化

应用技术规范

Technicalspecificationsforresonantrubblization

ofexistingcementconcretepavement

2023-11-09发布2024-02-09实施

湖南省市场监督管理局发布

DB43/T2778—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资料搜集········································································································2

5.3旧路调查········································································································2

5.4沿线设施和环境调查·························································································3

5.5适宜性评价·····································································································3

6结构设计··············································································································4

6.1一般规定········································································································4

6.2设计方法········································································································4

6.3预估设计········································································································4

6.4验证优化设计··································································································8

7施工····················································································································9

7.1一般规定········································································································9

7.2施工准备········································································································9

7.3试验段··········································································································10

7.4碎石化施工····································································································10

7.5碎石化层整理·································································································11

7.6碎石化层碾压·································································································11

7.7特殊路段的处理······························································································11

7.8碎石化层维护·································································································12

7.9透层、黏层、下封层和沥青面层施工···································································12

7.10安全文明施工································································································12

7.11交通组织······································································································12

8施工质量检查验收·································································································13

8.1一般规定·······································································································13

8.2共振碎石化层质量检查验收···············································································13

8.3透层、黏层、封层质量检查验收·········································································14

8.4沥青加铺层质量检查验收··················································································14

I

DB43/T2778—2023

附录A（资料性）结构设计流程·················································································15

A.1旧水泥混凝土路面共振碎石后直接加铺沥青层设计·················································15

附录B（资料性）旧水泥混凝土板碎石化层取芯与评定···················································16

B.1适用范围·······································································································16

B.2仪器与材料要求······························································································16

B.3方法与步骤····································································································16

B.4分析判断·······································································································16

附录C（规范性）碎石化层当量回弹模量的确定····························································17

C.1测点当量回弹模量···························································································17

C.2路段当量回弹模量···························································································17

C.3路段当量回弹模量修正值··················································································17

II

DB43/T2778—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、湖南省湘筑工程有限公司、湖南省高速公路集

团有限公司、湖南路桥建设集团有限责任公司、山东兴路重工科技有限公司、湖南交通职业技术学院、

湖南省通泰工程有限公司、湖南正道建筑工程有限公司、长沙市公路桥梁建设有限责任公司、湖南中嘉

通道路工程有限公司。

本文件主要起草人：彭杰、黄开宇、万正安、蒋定、刘奇、李翱、孙剑峰、戴勇、范海军、姚童刚、

杨梦、罗晓威、曹才勇、何艳春、陈冠、谢祥根、王婷宇、郑浩、廖丹、张允宝、唐鹏程、喻峥嵘、杨

春会、贾鹏旺、刘予、周梓豪、胡红波、邱震、陆勇、胡彬、易卫锋、吕绍文、陶政霖、邹伟、燕平、

任毅、胡安、焦晓来、林立军、彭昭、王冰、梁月祝、龙英、彭鑫、郭嘉。

III

DB43/T2778—2023

IV

DB43/T2778—2023

旧水泥混凝土路面共振碎石化应用技术规范

1范围

本文件规定了旧水泥混凝土路面共振碎石化的路况调查及评价、结构设计、施工、质量检查验收的

技术要求。

本文件适用于各等级公路旧水泥混凝土路面共振碎石化加铺设计、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。

JTG3450公路路基路面现场测试规程

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第一册土建工程

JTG5421公路沥青路面养护设计规范

JTG/TD33公路排水设计规范

JTGD40公路水泥混凝土路面设计规范

JTGD50公路沥青路面设计规范

JTGF20公路路面基层施工技术细则

JTG/TF31公路水泥混凝土路面再生利用技术细则

JTGF40公路沥青路面施工技术规范

JTGF80/1公路工程质量检验评定标准

JTGH10公路养护技术规范

JTGH30公路养护安全作业规程

JTJ073.1公路水泥混凝土路面养护技术规范

3术语和定义

下列术语和定义适用于本文件。

3.1

共振碎石化resonantrubblization

采用专用共振破碎设备，将旧水泥混凝土板在接近其固有频率的条件下进行碎石化，并达到共振破

碎状态。

3.2

共振破碎状态resonantbrokencondition

水泥混凝土板经专用共振破碎设备碎石化后，顶部为粒径小于5cm的相对松散粒状碎块，其余部

1

DB43/T2778—2023

分呈现为小于30cm的裂而不碎、嵌锁咬合的状态。

3.3

预裂技术pre-crackingtechnology

对共振破碎设备难以直接碎石化或难以达到的部位，采取其他工艺对水泥混凝土板进行预先破裂的

技术。

3.4

检查坑inspectionpit

为检查水泥混凝土板碎石化后的效果，进行相关试验而开挖的试坑。

3.5

应力释放槽stressrelieftrench

为释放破碎应力，在施工路段内对水泥混凝土路面切割开挖的一定深度的槽，以提供足够的膨胀空

间。

3.6

隔振沟isolationtrench

为减少水泥混凝土板破碎振动对建（构）筑物的影响，在公路两侧或结构物端部开挖的一定深度及

宽度的沟。

4缩略语

下列缩略语适用于本文件。

AM——半开级配沥青碎石混合料

PCI——路面损坏状况指数

5路况调查与评价

5.1一般规定

5.1.1实施共振碎石化技术前，应对旧路开展有针对性的调查分析工作，为设计和施工提供依据。

5.1.2旧路调查包括基础资料、技术状况、养护历史、交通状况、排水设施、气候、水文地质、沿线

设施以及环境条件等。

5.1.3应根据调查结果，对采用共振碎石化技术做出适宜性评价。

5.2资料搜集

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、改扩建资料及路面状况检测资料。

5.2.3历史交通量、车辆构成、轴载分布和交通量增长率。

5.2.4所在地区的气候、水文地质和环境条件等资料。

5.3旧路调查

5.3.1应通过现场检测与室内试验等方法对旧路技术状况进行调查。

5.3.2应对旧水泥混凝土路面板底脱空状况、断板数量、破碎板数量、板块厚度、混凝土强度、换板

及修补等状况进行调查。

2

DB43/T2778—2023

5.3.3应对旧路的基层材料及完整性、厚度、强度等技术状态进行调查。必要时，检测基层顶面回弹

模量、路基回弹模量及含水率等。

5.3.4应对旧路的排水设施及其使用状况进行调查。

5.4沿线设施和环境调查

5.4.1应通过相关技术资料调研和现场踏勘，查明路线范围内桥梁、涵洞、隧道、挡土墙、沿线构造

物等的桩号、分布范围和埋深；应查明距路面边缘10m内道路两侧的建筑物、构造物的桩号、分布范围

及结构状况等。

5.4.2应通过原有技术资料调研、现场踏勘、物探、坑探等手段，查明路线范围内的地上、地下管线

的桩号、分布范围、埋深等信息，调查管线的性质、技术状态及使用年限等信息。

5.4.3应调查旧路区域内的降水情况、地下水的分布、深度、水位涨落等情况以及调查临崖路段、高

边坡路段环境地质状况。

5.5适宜性评价

5.5.1路面技术状况评价应满足以下要求：

a）采用路面损坏状况指数PCI、平均错台量、接缝传荷系数三项指标，进行共振碎石化技术适宜

性评价。表1所列三项指标任何一项评定为次或差时，适宜采取共振碎石化技术；

表1适用于共振碎石化的路面损坏状况标准

平均错台量接缝传荷系数

评定等级路面损坏状况指数PCI

mm％

次60～707～1240～60

差＜60