DB43/T 2052-2021 排水降噪沥青路面应用技术规范

ICS93.080

CCSR18

43

湖南省地方标准

DB43/T2052—2021

排水降噪沥青路面应用技术规范

Technicalspecificationsfordrainageandnoise-reducingasphaltpavement

2021-04-02发布2021-06-02实施

湖南省市场监督管理局发布

DB43/T2052—2021

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符号······················································································································2

5结构设计················································································································2

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

5.2典型结构组合····································································································2

5.3防水黏结层·······································································································4

5.4旧路改造排水降噪沥青路面结构设计······································································4

5.5易积水路段排水降噪沥青路面结构设计··································································4

5.6服务区广场铺装排水降噪沥青路面结构设计····························································4

6排水系统及附属设施设计···························································································5

6.1一般规定··········································································································5

6.2排水系统典型结构设计························································································5

6.3旧路改造排水系统设计························································································6

6.4积水路段排水系统设计························································································6

6.5桥面排水系统设计······························································································6

6.6服务区广场铺装排水系统设计···············································································7

6.7排水降噪沥青路面标线设计··················································································7

7材料及配合比设计····································································································7

7.1一般规定··········································································································7

7.2沥青················································································································7

7.3粗集料·············································································································8

7.4细集料·············································································································9

7.5填料················································································································9

7.6纤维添加剂·······································································································9

7.7防水黏结层材料·······························································································10

7.8配合比设计·····································································································10

8排水降噪沥青路面施工····························································································12

8.1一般规定·········································································································12

8.2防水黏结层施工·······························································································12

8.3混合料的拌和··································································································12

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DB43/T2052—2021

8.4混合料的运输··································································································12

8.5混合料的摊铺··································································································13

8.6路面的压实及成型····························································································13

8.7双层及多层排水降噪沥青路面施工·······································································13

8.8接缝···············································································································13

8.9交通控制·········································································································13

9施工质量管理与检查验收·························································································14

9.1一般规定·········································································································14

9.2防水黏结层质量检查·························································································14

9.3施工前的材料与设备检查···················································································14

9.4施工过程中质量管理与检查················································································15

9.5交工验收阶段的工程质量检查与验收····································································18

10排水降噪沥青路面日常养护·····················································································19

10.1一般规定·······································································································19

10.2常见病害的修补······························································································19

附录A（规范性）高黏度改性沥青室内制样方法·····························································21

附录B（规范性）高温压碎值测试方法·········································································22

附录C（规范性）PA混合料配合比设计·········································································23

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DB43/T2052—2021

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：湖南省公路学会、中路交建（北京）工程材料技术有限公司、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、湖南省交通规划勘察设计院有限公司、湖南省交通科学

研究院有限公司、湖南交通国际经济工程合作有限公司、湖南云中再生科技股份有限公司。

本文件主要起草人：郭一枝、张泽丰、史立民、詹新华、龚毅、张迎春、黄开宇、吴初平、吴超凡、

雷俊、王婷宇、王玉臣、戴勇、王俏、谢海秋、周强、张继森、刘克玉、唐小富、张剑波、陈冠、吕丹。

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DB43/T2052—2021

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排水降噪沥青路面应用技术规范

1范围

本文件规定了排水降噪沥青路面的结构设计、排水系统及附属设施设计、材料及配合比设计、施工、

施工质量管理与检查验收、日常养护。

本文件适用于各等级公路、城镇道路、地面停车场及广场铺装等排水降噪沥青路面的设计、施工、

质量检查验收及养护。

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。

GB/T10685羊毛纤维直径试验方法投影显微镜法

GB/T14336化学纤维短纤维试验方法

GB/T3916纺织品卷装纱单根纱线断裂强力和断裂伸长率的测定（CRE法）

GB/T7690.3增强材料纱线试验方法第3部分：玻璃纤维断裂强力和断裂伸长的测定

JTGD50公路沥青路面设计规范

JTGE20公路工程沥青及沥青混合料试验规程

JTGF40公路沥青路面施工技术规范

JTGE42公路工程集料试验规程

JTGE60公路路基路面现场测试规程

JTGF80/1公路工程质量检验评定标准第一册土建工程

JTG/T3350-03排水沥青路面设计与施工技术规范

JTG5142公路沥青路面养护技术规范

JT/T534沥青路面用聚合物纤维

JT/T776.1公路工程玄武岩纤维及其制品第1部分玄武岩短切纤维

JT/T860.2沥青混合料改性添加剂第2部分：高黏度添加剂

3术语和定义

下列术语和定义适用于本文件。

3.1

排水降噪沥青路面drainageandnoise-reducingasphaltpavement

由排水沥青混合料经摊铺、碾压等形成的现场空隙率大于18％、具有排水和降噪功能的单层或多

层沥青路面。

3.2

排水沥青混合料porousasphaltmixture

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DB43/T2052—2021

采用矿料、高黏度改性沥青或改性沥青与高黏添加剂等材料拌和而成的，压实后空隙率在18％以

上，能够在混合料内部形成排水通道的沥青混合料，它是一种以单一粒径碎石为主、按照嵌挤机理形成

的具有骨架－空隙结构的开级配沥青混合料，又称多孔沥青混合料。

3.3

排水功能层porousasphaltcourse

由排水沥青混合料组成，能提供雨水流通通道、路面抗滑、降低路面噪音等服务功能的多孔结构层。

3.4

高黏度改性沥青highviscositymodifiedasphalt

通过掺加高分子材料制备，动力黏度大于50000Pa∙s的改性沥青。

3.5

高黏度改性添加剂highviscositymodifiedadditive

以高分子聚合物为主要成分，可以提高沥青的动力黏度、增强沥青与矿料粘附性能的均匀的材料。

3.6

防水黏结层waterproofandbondinglayer

为防止雨水从排水路面层下渗至下承层，增加排水层与下承层黏结强度的功能层。

4符号

下列符号适用于本文件。

AC：密级配沥青混凝土混合料

PA：排水沥青混合料

PAC：排水功能层

Qb：粗集料高温压碎值

5结构设计

5.1一般规定

5.1.1排水降噪沥青路面结构组合设计应按JTGD50相关规定执行。

5.1.2排水降噪沥青路面分为单层、双层和多层，双层和多层适用于排水或降噪有特殊需求的路段。

5.1.3单层、双层排水降噪沥青路面结构应包括沥青面层、基层、底基层等。面层由排水功能层、防

水黏结层、下承层组成。

5.1.4多层排水降噪沥青路面应根据道路等级、使用荷载、气候环境等因素设计排水功能层的层次。

5.2典型结构组合

5.2.1单层排水降噪沥青路面典型结构宜按图1进行设计，排水功能层厚度范围应控制在40mm～50mm

之间，公称最大粒径不宜超过13.2mm。

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标引序号说明：

1——排水沥青混合料面层；

2——防水黏结层；

3——下承层。

图1单层排水降噪沥青路面典型结构图

5.2.2双层排水降噪沥青路面典型结构宜按图2进行设计，排水功能层厚度范围应控制在80mm～110mm

之间，上面层公称最大粒径不宜超过13.2mm，中面层公称最大粒径不宜超过19mm。

标引序号说明：

1——排水沥青混合料上面层；

1＇——排水沥青混合料中面层；

2——防水黏结层；

3——下承层；

4——黏层。

图2双层排水降噪沥青路面典型结构

5.2.3多层排水降噪沥青路面典型结构宜按图3进行设计，排水功能层厚度应不小于150mm。

标引序号说明：

1——排水沥青混合料上面层；

1＇——排水沥青混合料中面层；

1〞——排水沥青混合料下面层；

2——防水黏结层；

3——下承层；

4——黏层。

图3多层排水降噪沥青路面典型结构

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5.3防水黏结层

5.3.1排水层与下承层之间应设置防水黏结层。

5.3.2应采用改性沥青类材料或改性乳化沥青类材料。重载交通和旧路改造工程宜采用改性沥青类材料。

5.3.3下承层为水泥混凝土面板或水泥稳定类基层时，应采用改性沥青类材料。

5.3.4改性乳化沥青类防水黏结层洒布量宜控制在0.4kg/m2～0.8kg/m2（有效沥青用量），宜分多次洒

布，排水功能层之间黏结层洒布量宜控制在0.1kg/m2～0.2kg/m2（有效沥青用量）。

5.3.5改性沥青类防水黏结层洒布量宜控制在1.2kg/m2～1.8kg/m2（有效沥青用量），应撒布一定数量

的单粒径碎石或预裹覆沥青碎石，粒径规格宜与上层混合料级配最大公称粒径相适应，覆盖率宜控制在

60％～80％。

5.4旧路改造排水降噪沥青路面结构设计

5.4.1在旧路改造中采用排水降噪沥青路面结构时，应进行旧路面的病害调查、状况评估和原因分析，

包括调查旧路面排水系统、路面裂缝以及渗水状况，评估旧路面的承载能力和抗永久变形性能。

5.4.2进行结构设计时，应进行旧路面病害处治方案的设计，对网裂、龟裂、中度及以上裂缝等病害

应铣刨并重铺沥青结构层；对于轻度裂缝宜进行灌缝处理。对于车辙病害严重的路面，宜采用铣刨旧路

面的方式处理，根据车辙深度决定铣刨深度，对于轻度车辙路面，宜采用直接加铺排水降噪沥青面层。

5.4.3交通正常开放的旧路改造工程，应结合施工期间的交通疏导措施优化排水降噪沥青路面设计与

施工组织设计。

5.5易积水路段排水降噪沥青路面结构设计

5.5.1路面合成坡度小于1.5％或纵断面位于凹曲线底部的段落，宜铺筑排水降噪沥青路面。

5.5.2进行结构设计时，宜分析当地的降雨情况及路面的汇水面积。

5.5.3路面结构组合宜根据表1进行选择。

5.5.4当车道数大于等于3时，下承层宜采用多路拱设计。

表1易积水路段推荐路面结构

车道数＜3≥3

上面层40mm～50mmPAC13/1640mm～50mmPAC13/16

中面层积水点位置横向开槽回填PAC16/20积水点位置50mm～60mmPAC16/20

下面层普通密级配混合料普通密级配混合料

5.6服务区广场铺装排水降噪沥青路面结构设计

5.6.1服务区人行广场、小车停车区、人行道及非机动车道等位置，宜铺筑排水降噪沥青路面。

5.6.2进行结构设计时，应分析当地的降雨情况及路面的汇水面积。

5.6.3进行排水面层厚度及结构选择时，宜考虑当地的降雨情况及路面的汇水面积。

表2服务区广场铺装推荐路面结构

位置小车停车区广场、人行道、非机动车道

上面层40mm～50mmPAC13/1640mm～50mmPAC10/13

中面层50mm～70mmAC16/20/25或PAC16/20150mm～400mm多孔水泥稳定碎石

下面层普通密级配混合料或其他类型材料100mm～200mm级配碎石或单粒径碎石

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DB43/T2052—2021

6排水系统及附属设施设计

6.1一般规定

6.1.1排水系统由排水功能层及附属排水设施组成。

6.1.2附属排水设施有路缘石、边沟、集水沟、纵向碎石沟、排水盲沟等形式。

6.1.3附属排水设施宜根据排水需要、路侧安全与景观协调、施工条件等因素设计。

6.2排水系统典型结构设计

6.2.1土路肩排水系统宜采用散排或明沟排水，土路肩顶面应低于下承层顶面至少1cm。路肩排水系

统如图4示意。

标引序号说明：

1——排水降噪沥青路面功能层；

2——下承层；

3——基层；

4——土路肩；

5——防水黏结层；

6——纵向边沟；

7——盖板。

图4道路路肩排水系统示意

6.2.2有中央分隔带并设有超高的路段，宜在靠近中央分隔带路侧设置纵向集水沟，每隔一定间距设

置一处集水井，并通过横向排水管将水排出。

6.2.3纵向集水沟宜采用有盖板的预制整体式混凝土沟、缝隙式集水沟或浅碟型沟等形式。

6.2.4集水井的形式、数量和间距应根据超高路段的外侧半幅路面汇水面积、流量及出水口的泄流能

力确定。

6.2.5纵向集水沟盖板顶面应低于下承层顶面至少1cm或在盖板与路面之间设置纵向碎石沟，设计如

图5示意。各构件设计尺寸应根据路面汇水面积、流量等确定。

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DB43/T2052—2021

标引序号说明：

1——排水降噪沥青路面功能层；

2——下承层；

3——基层；

4——纵向集水沟；

5——防水黏结层；

6——纵向碎石沟；

7——盖板。

图5超高路段排水系统示意

6.3旧路改造排水系统设计

6.3.1旧路改造采用排水降噪沥青路面结构时，应处理好旧路与新建路面排水系统的衔接。

6.3.2排水系统的改造宜按6.2节相关规定进行设计。

6.4积水路段排水系统设计

6.4.1积水路段排水系统应结合积水路段路面结构进行设计。

6.4.2积水路段排水系统宜按6.2节相关规定进行设计。

6.5桥面排水系统设计

6.5.1桥面应设置边缘纵向排水侧沟或排水盲沟，如图6所示。桥面纵向排水侧沟最小宽度不宜小于

10cm，纵向排水盲沟宽度不宜小于20cm。

标引序号说明：

1——排水降噪沥青路面功能层；

2——下承层；

3——桥面板；

4——排水沟；

4＇——碎石盲沟；

5——防水黏结层；

6——桥梁护栏。

注：当采用碎石盲沟时，沟底部及侧面建议设置防水土工布。

图6桥面排水系统示意图

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DB43/T2052—2021

6.5.2桥面采用排水沥青面层时，桥面泄水孔孔口高程应与下承层顶面高程一致。

6.6服务区广场铺装排水系统设计

6.6.1服务区广场铺装排水系统应结合服务区广场路面结构进行设计。

6.6.2服务区广场铺装排水系统应与服务区内给排水系统相互适应、匹配。

6.6.3服务区广场铺装排水系统宜按6.2节相关规定进行设计。

6.7排水降噪沥青路面标线设计

6.7.1排水降噪沥青路面标线宜使用点状透水标线、絮状透水标线和普通热熔标线。

6.7.2透水标线的渗水系数应大于3600mL/min。

6.7.3中央分隔带的行车道边缘线可采用热熔标线或者透水标线，可跨越同向车行道分界线宜采用絮

状透水标线，不应跨越同向车行道分界线和硬路肩的车行道边缘线宜采用点状透水标线。

7材料及配合比设计

7.1一般规定

7.1.1路面材料进场之前应进行料源调查，宜就地取材。

7.1.2用于排水降噪沥青路面的各项材料在使用之前，应进行抽样检测和质量检验，经评定合格后方

可使用。不应以供应商的检测报告代替现场检测。

7.2沥青

7.2.1排水降噪沥青路面应采用高黏度改性沥青，其质量应符合表3的要求。

表3高黏度改性沥青技术要求

交通等级

指标单位试验方法

轻交通、其他a中等交通重、特重交通

针入度（25℃，100g，5s），不小于0.1mm404040JTGE20T0604

软化点（TR&B）,不小于℃808590JTGE20T0606

延度（5℃，5cm/min）,不小于cm303030JTGE20T0605

溶解度，不小于％999999JTGE20T0607

布氏黏度（170℃）不大于Pa·s3.03.03.0JTGE20T0625

60℃动力黏度，不小于Pa·s50000200000400000JTGE20T0620

粘韧性*25℃，不小于N·m252525JTGE20T0624

韧性25℃，不小于N·m202020JTGE20T0624

弹性恢复（25℃），不小于％959595JTGE20T0662

贮存稳定性离析，48h软化点差，不大于*℃2.52.52.5JTGE20T0661

闪点，不小于℃230230230JTGE20T0611

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DB43/T2052—2021

表3高黏度改性沥青技术要求（续）

交通等级

指标单位试验方法

轻交通、其他a中等交通重、特重交通

相对密度(25℃)-实测记录JTGE20T0603

RTFOT（或TFOT）后残留物

质量变化，不大于％±1.0±1.0±1.0JTGE20T0609

残留针入度比(25℃)，不小于％656565JTGE20T0604

残留延度(5℃)，不小于cm202020JTGE20T0605