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Anti-reflection-crack waterproof coiled material used in airport runway and construction method thereof

A technology for airport runways and waterproofing membranes, which can be applied in the directions of roads, roads, and pavement details. Effect

Inactive Publication Date: 2015-05-27
SHENYANG LAN GUANG XING CHEN WATERPROOF MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, reflective cracks will soon appear on the asphalt concrete pavement (usually in the second year), which will affect the safety of aircraft takeoff and landing and the service life of the runway
In order to solve the generation of reflective cracks, paving geotextiles, non-woven fabrics, etc. on the cement concrete pavement joints before paving asphalt concrete did not achieve the expected purpose; the shortcoming of the current technology is that the stress generated by the cement concrete pavement is too concentrated
When the cement concrete pavement joints become larger with the seasons, the stress generated when the cement concrete pavement shrinks is mainly concentrated on the asphalt concrete pavement corresponding to the cement brick slab joints, basically presenting a straight line, so reflection cracks will appear, making Rainwater and soil enter the gap, reducing the quality of the runway and affecting the service life of the runway

Method used

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  • Anti-reflection-crack waterproof coiled material used in airport runway and construction method thereof

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0017] Examples of the present invention figure 1 As shown, the first stress dissipating layer 1, the second stress dissipating layer 2, the third stress dissipating layer 3 and the slab layer 4 are arranged sequentially from bottom to top, and the first stress dissipating layer 1 is composed of specially-made modified asphalt; The second stress dissipating layer 2 is made of special polyester non-woven fabric; the third stress dissipating layer 3 is made of special modified asphalt; the rock slice layer 4 is made of 8-10 mesh rock flakes, and the overall stress dissipating layer and cement Concrete pavement and asphalt concrete pavement must be firmly bonded. Since the first and third stress dissipating layers are made of special modified asphalt, the tensile str...

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Abstract

In an embodiment, the invention discloses an anti-reflection-crack waterproof coiled material used in airport runways. The anti-reflection-crack waterproof coiled material includes, in a successive arrangement from bottom to top: a first stress dissipation layer, being formed from special modified asphalt; a second stress dissipation layer, being formed from a special polyester nonwoven cloth; a third stress dissipation layer, being formed from special modified asphalt; and a rock sheet layer, being formed by rock sheets in 8-10 meshes. A construction method of the anti-reflection-crack waterproof coiled material used in the airport runways is also provided, wherein the construction method comprises: (1) coating a treatment agent on two sides of slab joints of a cement concrete pavement and all cracks to ensure binding fastness between the coiled material and the cement concrete pavement during construct of a thermal melting method; (2) releasing the coiled material and adjusting the position of the coiled material, and then rolling-up the coiled material and performing full-sticking through the thermal melting method; and (3) paving and sticking the coiled material on upper surfaces of the slab joints or the cracks, wherein the slab joints or the cracks are required to be at the center of the coiled material after the coiled material paved, the overlap width of the coiled material is required to be not less than 150mm with the rock sheets at the overlapped portion required to be removed. The anti-reflection-crack waterproof coiled material allows the stress generated during shrinkage of the cement concrete pavement to be uniformly dispersed.

Description

technical field [0001] The invention relates to the field of waterproof coiled materials, in particular to an anti-reflective crack waterproof coiled material for airport runways and a construction method thereof. Background technique [0002] When the cement concrete airport runway needs to be renovated, the commonly used method is to lay a layer of asphalt concrete on the original cement concrete pavement as a new runway. However, reflective cracks will soon appear on the asphalt concrete pavement (usually in the second year), which will affect the safety of aircraft take-off and landing and the service life of the runway. In order to solve the generation of reflective cracks, laying geotextiles, non-woven fabrics, etc. on the cement concrete pavement joints before paving asphalt concrete did not achieve the expected purpose; the shortcoming of the current technology is that the stress generated by the cement concrete pavement is too concentrated. When the cement concrete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C11/02E01C11/04E01C11/24E01C11/06
CPCE01C11/04E01C11/06E01C11/24
Inventor 陈华成李芳兰
Owner SHENYANG LAN GUANG XING CHEN WATERPROOF MATERIAL TECH
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