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Double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas

A reinforced concrete and regional technology, which is applied to cohesive pavement paved on site, roads, roads, etc., can solve problems such as road surface structure damage, and achieve the effects of saving construction costs, facilitating vibration and compaction, and saving the amount of steel bars

Active Publication Date: 2017-08-25
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to develop a double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas. problems, and has good road performance and social and economic benefits

Method used

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  • Double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas
  • Double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas
  • Double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas

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Embodiment Construction

[0023] In order to better understand the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the present invention.

[0024] Such as figure 1As shown, a double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas of the present invention includes a cement concrete surface layer 1, a fine-sized densely graded asphalt concrete interlayer 2, a lean concrete upper base 3, and an asphalt macadam lower base 4, Graded gravel cushion 5.

[0025] Among them, the thickness of the cement concrete surface layer 1 is 24cm, and the standard value of bending and tensile strength is 5.0MPa. The surface layer is equipped with double-layer continuous steel bars and supports 11. The double-layer continuous steel bars are the contin...

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Abstract

The invention discloses a double-layer reinforced concrete pavement structure suitable for a pluvial region urban road. The pavement structure comprises base layers. The base layers are divided into the upper base layer and the lower base layer. The upper base layer is made of lean concrete, the lower base layer is made of asphalt macadam, a cement concrete face layer is laid on the base layers, and a graded broken stone cushion layer is laid below the base layers. The cement concrete face layer is provided with double-layer continuous reinforcing steel bars and supports. The double-layer continuous reinforcing steel bars are the longitudinal reinforcing steel bars continuous on the upper layer and the transverse reinforcing steel bars and the longitudinal reinforcing steel bars continuous on the lower layer. A transverse joint is formed in the face layer every 150 m, and a pre-cutting joint transversely penetrating a well lid is formed in the position of the well lid on the face layer. A fine dense graded asphaltic concrete interlayer is arranged between the base layers and the face layer. 2% to 3% of road camber cross slopes are arranged on the base layers and the face layer. By the adoption of the pavement structure, the problem that a pavement structure of the urban road is seriously damaged at the early stage due to the fact that water systems are rich or drainage is not smooth can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of road engineering and relates to a double-layer reinforced concrete pavement structure suitable for urban roads in rainy areas. Background technique [0002] At present, urban roads generally have problems of poor drainage, serious water accumulation on road surfaces and pavement structures, coupled with frequent occurrence of extreme weather events such as torrential rains caused by factors such as urban heat island effect, large and medium-sized cities often suffer from waterlogging, and the existence of water The road surface structure is severely scoured by the action of traffic and driving, which greatly affects the overall strength and stability of the pavement structure, causing serious early damage to urban roads, often causing traffic interruption or congestion due to road maintenance, and even causing traffic accidents. There is an urgent need to improve urban road durability. In addition, many ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C7/32E01C7/14E01C7/18E01C11/18E01C11/10
CPCE01C7/14E01C7/182E01C7/32E01C11/103E01C11/18Y02A30/60
Inventor 李盛柳力刘朝晖曹前黄优
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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