CN212656063U - Road surface joint tape with waterproof, anti-skid, high-toughness and anti-cracking performances - Google Patents
Road surface joint tape with waterproof, anti-skid, high-toughness and anti-cracking performances Download PDFInfo
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- CN212656063U CN212656063U CN202020729620.XU CN202020729620U CN212656063U CN 212656063 U CN212656063 U CN 212656063U CN 202020729620 U CN202020729620 U CN 202020729620U CN 212656063 U CN212656063 U CN 212656063U
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Abstract
The utility model discloses a road surface is with subsiding seam area with waterproof antiskid, high tenacity crack resistance ability, its top-down includes: anti-sliding wearing layer, fiber anti-cracking layer, asphalt bonding layer and anti-sticking film layer. The utility model discloses have good antiskid, wear-resisting, anti-crack, dense water effect, but wide application is handled in bituminous paving crack, effectively restraines the cracked expansion of bituminous paving and cracked infiltration problem, is an accurate, solve bituminous paving fast and cause the structure harm problem because of the fracture, effectively promotes driving travelling comfort's novel road material.
Description
Technical Field
The utility model belongs to the technical field of highway engineering, concretely relates to road surface is with subsiding seam area with waterproof antiskid, high tenacity crack resistance ability.
Background
Cracks are the most common hazards of asphalt pavement and are one of the major causes of structural failure of pavement. The performance influence of crack formation initial stage to bituminous paving is less, but along with the influence of external factors such as driving load, temperature shrink, frost heaving, rainwater infiltration, the crack will last the expansion, and the concrete expression is: the crack width is enlarged, the crack length is prolonged, the crack depth is deepened, and even the structural damage is generated to the asphalt pavement, so that the use performance of the asphalt pavement is influenced. Therefore, it is necessary to effectively treat the crack at the initial stage of crack formation.
The method of sticking the joint tape at the crack is a common method for treating the crack diseases of the asphalt pavement. Chinese patent application 201010146754.X discloses high-molecular polymer asphalt for road crack repair, a manufacturing method and a joint strip; chinese patent application 201621121509.2 discloses a seam tape for a pavement covering. The joint tape is mostly rubber asphalt products, has general crack resistance effect, can not effectively prevent crack expansion, and has no anti-slip property and no wear resistance after being pasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the crack resistance and the skid resistance of the existing joint strip are not enough, the utility model provides a joint strip for road surface with waterproof antiskid, high toughness crack resistance ability.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a joint tape for a road surface with waterproof, anti-skid, high-toughness and anti-cracking performances is sequentially arranged from top to bottom: anti-sliding wearing layer, fiber anti-cracking layer, asphalt bonding layer and anti-sticking film layer.
Furthermore, the antiskid wearing layer is asphalt macadam or epoxy asphalt macadam, and the thickness is less than 5 mm.
Further, the asphalt in the asphalt macadam is high-molecular polymer asphalt, the dynamic viscosity at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, and the softening point is more than 80 ℃; the crushed stone is selected from hard basalt or diabase crushed stone with clear edges and corners, and the particle size is 1.0mm-5.0 mm.
Furthermore, the crushed stone in the epoxy asphalt crushed stone is selected from basalt or diabase crushed stone with hard texture and clear edges and corners, and the particle size is 1.0mm-5.0 mm.
Further, the fiber anti-cracking layer is 200g/m2-300g/m2The tensile strength of the basalt fiber bidirectional cloth is more than 1000MPa, and the expansion of cracks of the asphalt pavement can be effectively inhibited.
Furthermore, the asphalt bonding layer is high-molecular polymer modified asphalt with the thickness of 1-2mm, realizes the bonding of the seam tape and the original pavement, mainly plays the roles of bonding and water sealing, and has the dynamic viscosity at 60 ℃ of more than 20000MPa, the dynamic viscosity at 135 ℃ of less than 4.5MPa and the softening point of more than 80 ℃.
Furthermore, the anti-sticking film layer is a polyethylene film coated with anti-sticking coatings on two sides, so that an asphalt bonding layer and an anti-sliding wearing layer can be isolated, and storage, transportation and the like of the joint tape are realized.
To sum up, the utility model discloses following beneficial effect has:
(1) the seam-sticking belt is simple to produce and manufacture and can realize industrial batch production.
(2) The joint tape has an excellent waterproof and anti-skid wearing layer, which is obviously different from the traditional joint tape and can improve the pavement performance of the joint tape.
(3) The seam-attaching belt is provided with the basalt fiber anti-cracking layer with good flexibility and high tensile strength, and can effectively inhibit the expansion of cracks.
(4) The seam-sticking belt is provided with a high-molecular polymer asphalt waterproof bonding layer which is hot-melt, so that the seam-sticking belt can be fully bonded with an old pavement and a crack position to form an excellent waterproof layer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the seam-attaching structure of the present invention;
in the figure: 1. an anti-skid wear layer; 1-1, crushing stone; 1-2, asphalt; 2. a fiber anti-splinter layer; 3. An asphalt bond coat; 4. and an anti-sticking film layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in figure 1, a joint strip for a pavement with waterproof, antiskid, high toughness and crack resistance is composed of an antiskid wearing layer 1 from top to bottom; a fiber crack-resistant layer 2; an asphalt bond coat 3; an anti-sticking film layer 4; the antiskid wearing layer 1 is epoxy asphalt macadam, the dynamic viscosity of the epoxy asphalt at 60 ℃ is more than 20000MPa, the dynamic viscosity of the epoxy asphalt at 135 ℃ is less than 4.5MPa, the softening point is more than 80 ℃, and the macadam is 1.0-3.0mm diabase macadam; the fiber crack-resistant layer 2 is 300g/m2Basalt fiber bidirectional cloth; the asphalt binderThe caking layer 3 is high-molecular polymer modified asphalt, the dynamic viscosity at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, and the softening point is more than 80 ℃; the anti-sticking film layer 4 is a polyethylene film coated with anti-sticking coatings on two sides; the manufacturing method of the seam tape comprises the following steps: (1) heating the basalt fiber cloth to 150 ℃; (2) preparing an anti-sliding wearing layer: spraying epoxy asphalt on the upper layer of the basalt fiber cloth, wherein the spraying amount is 1.2kg/m2Then spreading crushed stone with the particle size of 1-5mm at the temperature of 170-2Spreading crushed stone in 1.2kg/m amount and epoxy asphalt2(ii) a (3) Preparing an asphalt bonding layer: spraying high-molecular polymer asphalt on the lower layer of basalt fiber, wherein the spraying amount is 2.0kg/m2(ii) a (4) And after the temperature of the asphalt is reduced to room temperature and the epoxy asphalt is cured, adhering an anti-sticking film below the high-molecular polymerization modified asphalt layer.
This example compares the performance metrics of a conventional seam tape of the prior art, see table below.
Example 2
As shown in figure 1, a joint strip for a pavement with waterproof, antiskid, high toughness and crack resistance is composed of an antiskid wearing layer 1 from top to bottom; a fiber crack-resistant layer 2; an asphalt bond coat 3; an anti-sticking film layer 4; the antiskid wearing layer 1 is epoxy asphalt macadam, the dynamic viscosity of the epoxy asphalt at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, the softening point is more than 80 ℃, and the macadam is diabase macadam of 3.0-5.0 mm; the fiber crack-resistant layer 2 is 300g/m2Basalt fiber bidirectional cloth; the asphalt bonding layer 3 is high-molecular polymer modified asphalt, the dynamic viscosity at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, and the softening point is more than 80 ℃; the anti-sticking film layer 4 is a polyethylene film coated with anti-sticking coatings on two sides; the manufacturing method of the seam tape comprises the following steps: (1) heating the basalt fiber cloth to 150 ℃; (2) preparing an anti-sliding wearing layer: spraying epoxy asphalt on the upper layer of the basalt fiber cloth, wherein the spraying amount is 1.2kg/m2Then the spreading temperature is 170 ℃ and 180 DEG C1-5mm crushed stone with the spreading amount of 2.3kg/m2Spreading crushed stone in 1.2kg/m amount and epoxy asphalt2(ii) a (3) Preparing an asphalt bonding layer: spraying high-molecular polymer asphalt on the lower layer of basalt fiber, wherein the spraying amount is 2.0kg/m2(ii) a (4) And after the temperature of the asphalt is reduced to room temperature and the epoxy asphalt is cured, adhering an anti-sticking film below the high-molecular polymerization modified asphalt layer.
Example 3
As shown in figure 1, a joint strip for a pavement with waterproof, antiskid, high toughness and crack resistance is composed of an antiskid wearing layer 1 from top to bottom; a fiber crack-resistant layer 2; an asphalt bond coat 3; an anti-sticking film layer 4; the anti-sliding wearing layer 1 is asphalt macadam, the asphalt is high-molecular polymer asphalt, the dynamic viscosity at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, and the softening point is more than 80 ℃; the crushed stone is 1.0-5.0mm diabase crushed stone; the fiber crack-resistant layer 2 is 300g/m2Basalt fiber bidirectional cloth; the asphalt bonding layer 3 is high-molecular polymer modified asphalt, the dynamic viscosity at 60 ℃ is more than 20000MPa, the dynamic viscosity at 135 ℃ is less than 4.5MPa, and the softening point is more than 80 ℃; the anti-sticking film layer 4 is a polyethylene film coated with anti-sticking coatings on two sides; the manufacturing method of the seam tape comprises the following steps: (1) heating the basalt fiber cloth to 150 ℃; (2) preparing an anti-sliding wearing layer: spraying asphalt on the upper layer of the basalt fiber cloth, wherein the spraying amount is 1.2kg/m2Then spreading crushed stone with the particle size of 1-3mm at the temperature of 170-2Spreading crushed stone in 1.2kg/m amount and spreading asphalt2(ii) a (3) Preparing an asphalt bonding layer: spraying high-molecular polymer asphalt on the lower layer of basalt fiber, wherein the spraying amount is 1.5kg/m2(ii) a (4) And after the temperature of the asphalt is reduced to room temperature and the epoxy asphalt is cured, adhering an anti-sticking film below the high-molecular polymerization modified asphalt layer.
The preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a joint strip is used on road surface with waterproof antiskid, high toughness crack resistance ability which characterized in that, joint strip top-down sets gradually: anti-sliding wearing layer, fiber anti-cracking layer, asphalt bonding layer and anti-sticking film layer.
2. The joint strip for road surface according to claim 1, wherein the anti-skid wearing layer is asphalt macadam or epoxy asphalt macadam, and the thickness is less than 5 mm.
3. The seam tape for road surface according to claim 1, wherein the asphalt in the asphalt macadam is high-molecular polymer asphalt with dynamic viscosity at 60 ℃ of more than 20000MPa, dynamic viscosity at 135 ℃ of less than 4.5MPa and softening point of more than 80 ℃; the crushed stone is basalt or diabase crushed stone with the grain size of 1.0mm-5.0 mm.
4. The joint strip for road surface according to claim 2, wherein the crushed stone in the epoxy asphalt macadam is basalt or diabase macadam, and the particle size is 1.0mm-5.0 mm.
5. The joint strip for road surface according to claim 1, wherein the fiber crack-resistant layer is 200g/m2-300g/m2 basalt fiber bidirectional cloth, and the tensile strength thereof is more than 1000 MPa.
6. The joint tape for road surface according to claim 1, wherein the asphalt binder layer is a high-molecular polymer modified asphalt having a thickness of 1 to 2mm, a dynamic viscosity at 60 ℃ of more than 20000MPa, a dynamic viscosity at 135 ℃ of less than 4.5MPa, and a softening point of more than 80 ℃.
7. The tape of claim 1, wherein the release film layer is a polyethylene film coated on both sides with a release coating.
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| CN202020729620.XU CN212656063U (en) | 2020-05-06 | 2020-05-06 | Road surface joint tape with waterproof, anti-skid, high-toughness and anti-cracking performances |
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| CN202020729620.XU CN212656063U (en) | 2020-05-06 | 2020-05-06 | Road surface joint tape with waterproof, anti-skid, high-toughness and anti-cracking performances |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775359A (en) * | 2022-04-29 | 2022-07-22 | 长沙理工大学 | Pavement sealing structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775359A (en) * | 2022-04-29 | 2022-07-22 | 长沙理工大学 | Pavement sealing structure and construction method thereof |
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