CN204898456U - Contain rubber asphalt stress absorption layer bituminous paving - Google Patents

Contain rubber asphalt stress absorption layer bituminous paving Download PDF

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Publication number
CN204898456U
CN204898456U CN201520679996.3U CN201520679996U CN204898456U CN 204898456 U CN204898456 U CN 204898456U CN 201520679996 U CN201520679996 U CN 201520679996U CN 204898456 U CN204898456 U CN 204898456U
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CN
China
Prior art keywords
stress absorbing
absorbing layer
layer
rubber asphalt
surface course
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520679996.3U
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Chinese (zh)
Inventor
余波
梅亮
祝学成
汤建忠
杨杰
吴明亮
张建磊
羊林林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Road Traffic Science And Technology Group Co Ltd
Original Assignee
Nanjing Host's Road And Bridge Engineering Technical Advice Co Ltd
Tongan City Nanjing Highway Construction Co Ltd
Nanjing Tech University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Host's Road And Bridge Engineering Technical Advice Co Ltd, Tongan City Nanjing Highway Construction Co Ltd, Nanjing Tech University filed Critical Nanjing Host's Road And Bridge Engineering Technical Advice Co Ltd
Priority to CN201520679996.3U priority Critical patent/CN204898456U/en
Application granted granted Critical
Publication of CN204898456U publication Critical patent/CN204898456U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a contain rubber asphalt stress absorption layer bituminous paving, include from the supreme stress absorbing layer who lays in proper order, lower surface course, adhesion coating reach upward surface course down, stress absorbing layer lays on the cement concrete pavement board, stress absorbing layer is rubber pitch stress absorbing layer, it is that bituminous mixture is joined in marriage to OGFC -13 division level to go up the surface course, the adhesion coating is the modified emulsified asphalt layer of double -deck SBS, the surface course is the AC -13 bituminous mixture layer down. The utility model discloses have the drainage and fall the cling property of making an uproar, reduce road surface damage by water evil, reduce traffic noise, promoted travel security and travelling comfort, can also bear the traffic pressure that grows with each passing day betterly, prolong the life of road.

Description

A kind of containing rubber asphalt stress absorbing layer flexible pavement
Technical field
The utility model relates to a kind of dewatering and noise reduction type asphalt pavement structure, is mainly used in cement concrete pavement and changes in black-labour journey in vain; Belong to Communication and Transportation Engineering field.
Background technology
Cement concrete pavement changes traditional asphalt surface layer in black-labour journey in vain and is generally individual layer or double-deck AC and SMA bituminous mixture, current amount of traffic is increasing, heavy duty overloading is serious, traditional surface layer structure in use for some time, the performances such as antiskid, draining, noise reduction decline rapidly, road surface infringement is serious, there is many potential safety hazards, Road Service Life also can be caused greatly to shorten.Given this, in order to improve the durability of road, its road structure is had higher requirement.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, there is provided a kind of containing rubber asphalt stress absorbing layer flexible pavement, there is dewatering and noise reduction cling property, reduce road surface Moisture Damage, reduce traffic noise, improve driving safety and comfortableness, the traffic pressure grown with each passing day can also be born preferably, extend the application life of road.
The technical solution adopted in the utility model is: a kind of containing rubber asphalt stress absorbing layer flexible pavement, comprises stress absorbing layer, cutting optimal, adhesion coating and the upper layer laid successively from bottom to up; Described stress absorbing layer is layed in Cement Concrete Pavement Slab, described stress absorbing layer is rubber asphalt stress absorbing layer, described upper layer is OGFC-13 open gradation bituminous mixture, and described adhesion coating is double-deck SBS modified emulsifying asphalt layer, and described cutting optimal is AC-13 bituminous mixture layer.
Preferably, the thickness of described upper layer and cutting optimal is 4-6cm, and the thickness of described stress absorbing layer is 1cm.
Preferably, the void content of described upper layer is 20%, and the void content of described cutting optimal is 4.5%.
OGFC-13 type open gradation bituminous mixture described in the utility model is made up of rubber asphalt, coarse aggregate, fine aggregate, breeze and additive, wherein rubber asphalt is bituminous cements, be that the rubber powder of 40-60 and No. 70 matrix pitches are mixed to join and formed by order number, rubber powder volume is 20% of matrix pitch quality; Coarse aggregate adopts the rubble that stone matter is hard, clean, do not contain weathering particle, near cubic particle; Fine aggregate adopt hard, clean, dry, without the Machine-made Sand of weathering, pure artificial rolling, stone matter is identical with coarse aggregate; Building stones are levigate obtains by limestone alkalescence for breeze; Additive is Portland cement or slaked lime, and volume is 1.5% of thick, fine aggregate gross mass.In described adhesion coating, in double-deck SBS modified emulsifying asphalt layer, every layer of spread quantity is 0.35kg/m2.In described stress absorbing layer, the spread quantity of rubber asphalt is 2.0-2.4kg/m2, and the spread quantity of gathering materials is 14-16kg/m2.Described AC-13 bituminous mixture layer is made up of SBS modified bitumen, coarse aggregate, fine aggregate and breeze, and wherein SBS modified bitumen is cementitious matter.
Beneficial effect: the drain type asphalt road structure for changing black-labour journey in vain of the present utility model, can play excellent dewatering and noise reduction functions, and, the excellent road performance of this structure, good endurance, can effective prolonging service life of pavement; Paving process process also easily realizes, and has good market prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of the drain type asphalt road structure changed in vain in black-labour journey of the present utility model.
The implication of Reference numeral in figure: 1, former cement concrete pavement, 2, stress absorbing layer, 3, cutting optimal, 4, adhesion coating, 5, upper layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the drain type asphalt road structure for changing black-labour journey in vain of the present utility model, comprise stress absorbing layer 2, cutting optimal 3, adhesion coating 4 and the upper layer 5 laid successively from bottom to up, stress absorbing layer 2 is layed on former cement concrete pavement 1.
Upper layer 5 thickness is 5cm, specifically OGFC-13 open gradation bituminous mixture, is made up of rubber asphalt, coarse aggregate, fine aggregate, breeze and additive.Using rubber asphalt as bituminous cements, wherein, rubber asphalt is mixed to join by 60 order rubber powders and No. 70 matrix pitches and is formed, and rubber powder volume is 20%; Grating adopts open gradation, and void content is 20%; Coarse aggregate adopts 3-5,5-10,10-15 third gear building stones, and fine aggregate adopts 0-3 mono-grade of building stones; The breeze that breeze adopts limestone alkalescence building stones levigate; Additive adopts Portland cement, and volume is 1.5% of aggregate quality.
Adhesion coating 4 is double-deck SBS modified emulsifying asphalt layers, and adopt double-deck spread mode to carry out spread, every layer of spread quantity is 0.35kg/m2, and the two-layer spread time interval is 12h.
Cutting optimal 3 thickness is 4cm, is AC-13 bituminous mixture layer, is made up of SBS modified bitumen, coarse aggregate, fine aggregate and breeze, and wherein SBS modified bitumen is cementitious matter, and grating adopts comparatively crude gradation, and void content is 4.5%.
Stress absorbing layer 2 thickness is 1cm, and material is rubber asphalt, and the spread quantity of rubber asphalt is 2.0-2.4kg/m2, and the spread quantity of gathering materials is 14-16kg/m2.Rubber asphalt is that the rubber powder of 20-30 and No. 70 matrix pitches are mixed to join and formed by order number, and rubber powder volume is 15% of matrix pitch quality; The spread quantity of rubber asphalt is 2.2kg/m2, and heating-up temperature is 195 DEG C; The spread quantity of gathering materials is 16kg/m2, and coverage scale is 80%, and specification of gathering materials is 9.5-13.2mm, and heating-up temperature is 160 DEG C.
More than show and describe general principle of the present utility model, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops on protection domain of the present utility model.

Claims (3)

1., containing a rubber asphalt stress absorbing layer flexible pavement, it is characterized in that: comprise stress absorbing layer, cutting optimal, adhesion coating and the upper layer laid successively from bottom to up; Described stress absorbing layer is layed in Cement Concrete Pavement Slab, described stress absorbing layer is rubber asphalt stress absorbing layer, described upper layer is OGFC-13 open gradation bituminous mixture, and described adhesion coating is double-deck SBS modified emulsifying asphalt layer, and described cutting optimal is AC-13 bituminous mixture layer.
2. one according to claim 1 is containing rubber asphalt stress absorbing layer flexible pavement, and it is characterized in that: the thickness of described upper layer and cutting optimal is 4-6cm, the thickness of described stress absorbing layer is 1cm.
3. one according to claim 1 is containing rubber asphalt stress absorbing layer flexible pavement, and it is characterized in that: the void content of described upper layer is 20%, the void content of described cutting optimal is 4.5%.
CN201520679996.3U 2015-09-02 2015-09-02 Contain rubber asphalt stress absorption layer bituminous paving Expired - Fee Related CN204898456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520679996.3U CN204898456U (en) 2015-09-02 2015-09-02 Contain rubber asphalt stress absorption layer bituminous paving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520679996.3U CN204898456U (en) 2015-09-02 2015-09-02 Contain rubber asphalt stress absorption layer bituminous paving

Publications (1)

Publication Number Publication Date
CN204898456U true CN204898456U (en) 2015-12-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862544A (en) * 2016-05-26 2016-08-17 山西省交通科学研究院 Two-layer stress absorption band and preparation method thereof
CN106638216A (en) * 2016-11-28 2017-05-10 长沙理工大学 Lower sealing layer material of expressway asphalt pavement and application of lower sealing layer material
CN115198588A (en) * 2022-07-29 2022-10-18 同济大学 Double-layer noise-reduction asphalt pavement based on polymer composite modification and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105862544A (en) * 2016-05-26 2016-08-17 山西省交通科学研究院 Two-layer stress absorption band and preparation method thereof
CN105862544B (en) * 2016-05-26 2018-03-02 山西省交通科学研究院 A kind of double-layer stress absorption band and preparation method thereof
CN106638216A (en) * 2016-11-28 2017-05-10 长沙理工大学 Lower sealing layer material of expressway asphalt pavement and application of lower sealing layer material
CN115198588A (en) * 2022-07-29 2022-10-18 同济大学 Double-layer noise-reduction asphalt pavement based on polymer composite modification and preparation method thereof

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Effective date of registration: 20160713

Address after: 236000 Anhui province Fuyang Yangqiao Yingdong Village No. 158 Flower Town

Patentee after: Anhui Tongxin Road Engineering Construction Technology Development Co. Ltd.

Address before: The Jiangxi street in Jianye District of Nanjing City, Jiangsu province 210019 No. 69 Binjiang City Guanlan court 9 Building Room 1901

Patentee before: Tongan City, Nanjing highway construction Co., Ltd

Patentee before: Nanjing host's road and bridge engineering technical advice Co., Ltd

Patentee before: Nanjing University of Technology

C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Tang Qian

Inventor after: Han Hengzhong

Inventor after: Hao Zhiming

Inventor after: Jiang Yunqing

Inventor after: Zhang Xiaolong

Inventor after: Yin Fei

Inventor after: Zhou Shenglan

Inventor after: Zhang Shilong

Inventor before: Yu Bo

Inventor before: Mei Liang

Inventor before: Zhu Xuecheng

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Effective date of registration: 20160906

Address after: 236400 Fuyang Development Zone, Anhui, No. 688, No. three

Patentee after: ANHUI XINLU CONSTRUCTION ENGINEERING GROUP CO., LTD.

Address before: 236000 Anhui province Fuyang Yangqiao Yingdong Village No. 158 Flower Town

Patentee before: Anhui Tongxin Road Engineering Construction Technology Development Co. Ltd.

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20170204

Address after: 236000 Anhui province Fuyang Yangqiao Yingdong Village No. 158 Flower Town

Patentee after: Anhui Tongxin Road Engineering Construction Technology Development Co. Ltd.

Address before: 236400 Fuyang Development Zone, Anhui, No. 688, No. three

Patentee before: ANHUI XINLU CONSTRUCTION ENGINEERING GROUP CO., LTD.

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Yu Bo

Inventor before: Tang Qian

Inventor before: Han Hengzhong

Inventor before: Hao Zhiming

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Effective date of registration: 20180222

Address after: Room 1103, headquarters building, No. 1 new town, Pukou Avenue, Jiangpu street, Pukou District, Nanjing, Jiangsu

Patentee after: Jiangsu road traffic science and Technology Group Co. Ltd.

Address before: 236000 Anhui province Fuyang Yangqiao Yingdong Village No. 158 Flower Town

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151223

Termination date: 20180902