CN216427882U - Novel durable type cement road surface thin layer top facing structure of mating formation - Google Patents

Abstract

The utility model discloses a novel durable type cement road surface thin layer top facing structure of mating formation, including main structure body, enhancement subassembly and absorption subassembly, main structure body's top is provided with and is used for prolonging durable wear-resisting subassembly, is used for consolidating it sets up inside main structure body's lower extreme to strengthen the subassembly. This novel durable type cement road surface thin layer top facing structure of mating formation is through setting up the waterproof layer in asphalt concrete's top, can increase the waterproof performance of thin layer top facing, and still through setting up the top at the waterproof layer on epoxy asphalt layer, it is fixed to bond the wearing layer to be convenient for the adhesion through epoxy asphalt layer, thereby can improve the durability of thin layer top facing, and the upper end of wearing layer is provided with the skid resistant course, can increase the frictional force on road surface, be favorable to improving the security when rainy day uses, and epoxy asphalt layer has good high temperature performance, can prevent to lead to the reduction of interlaminar shear strength along with the rising of road surface temperature.

Description

Novel durable type cement road surface thin layer top facing structure of mating formation

Technical Field

The utility model relates to a cement road surface structure technical field that mats formation specifically is a novel durable type cement road surface thin layer top facing structure of mat formation.

Background

The thin overlay is a technology of ultrathin asphalt concrete wearing layer, mainly used for preventive maintenance of high-grade asphalt or cement road surface and corrective maintenance of slight disease, the modified emulsified asphalt spraying and hot asphalt mixture spreading can be completed synchronously by using the modified spreader in the construction process, and the early-stage diseased road surface can be refreshed by rolling with a steel wheel road roller, although the wearing layer is only two centimeters thick, the wearing layer can be closely combined with the original road surface to push the disease, thus having great practical value for energy conservation and consumption reduction.

When the thin-layer overlay pavement structure on the market is used, the problem that the service life is reduced due to abrasion exists, and therefore a novel durable cement pavement thin-layer overlay pavement structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel durable type cement road surface thin layer top facing structure of mating formation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel durable type cement road surface thin layer top facing structure of mating formation, includes structure subject, strengthens the subassembly and absorbs the subassembly, structure subject's top is provided with and is used for prolonging durable wear-resisting subassembly, is used for consolidating strengthen the subassembly sets up inside structure subject's lower extreme, is used for stress absorption absorb the subassembly sets up in the top of strengthening the subassembly, structure subject includes former road surface and asphalt concrete layer, asphalt concrete layer sets up in wear-resisting subassembly's below, wear-resisting subassembly includes waterproof layer, epoxy asphalt layer, wearing layer and skid resistant course, the upper end of waterproof layer is connected with the epoxy asphalt layer, and the top on epoxy asphalt layer is provided with the wearing layer, the top of wearing layer is provided with the skid resistant course.

Preferably, the bottom surface of the waterproof layer is attached to the top surface of the asphalt concrete layer, and the top surface of the waterproof layer is attached to the top surface of the epoxy asphalt layer.

Preferably, strengthen the subassembly and include fixed strip, spacing nail, first steel wire and second steel wire, the inside fixedly connected with spacing nail of fixed strip, and the first steel wire of both sides fixedly connected with around the fixed strip, the left and right sides of first steel wire is provided with the second steel wire.

Preferably, the spacing nail is the equidistance distribution about the top surface of fixed strip, and gomphosis mutually between spacing nail and the former road surface.

Preferably, the length direction of the first steel wire is perpendicular to the length direction of the second steel wire, and the length direction of the second steel wire is parallel to the length direction of the fixing strip.

Preferably, the absorption assembly comprises a rubber asphalt layer and a gravel layer, the rubber asphalt layer is arranged above the first steel wire, and the gravel layer is arranged above the rubber asphalt layer.

Preferably, the rubble layer and the rubber asphalt layer are in a chimeric shape.

The utility model provides a novel durable type cement road surface thin layer top facing structure of mating formation possesses following beneficial effect: this novel durable type cement road surface thin layer top facing structure of mating formation adopts mutually supporting between a plurality of subassemblies, and the durability when not only can strengthen the thin layer top facing and use also can improve its heat-resisting waterproof performance simultaneously, but also can strengthen shearing and compressive capacity of thin layer top facing, improves holistic stability ability to can also cushion the absorption to the stress that the road surface produced, prevent the cracked situation in road surface.

1. The utility model discloses a set up the waterproof layer in asphalt concrete's top, can increase the waterproof performance of thin layer top facing, and still through setting up the epoxy asphalt layer in the top of waterproof layer, it is convenient for bond fixedly to the wearing layer through the adhesiveness on epoxy asphalt layer, thereby can improve the durability of thin layer top facing, and the upper end of wearing layer is provided with the skid resistant course, can increase the frictional force on road surface, be favorable to improving the security when using in rainy day, and the epoxy asphalt layer has good high temperature performance, can prevent to lead to the reduction of interlaminar shear strength along with the rising of road surface temperature;

2. the utility model discloses a set up the top on former road surface with strengthening the subassembly, be convenient for fix the fixed strip on former road surface through the spacing nail to can make the grid that first steel wire and second steel wire are constituteed strengthen the top of former road surface, avoid leading to the stability of thin layer top facing to reduce because of former road surface breakage, thereby can strengthen the stability and the compressive capacity of road surface cover layer, and the upper end of spacing nail can penetrate in the asphalt concrete layer, thereby also can improve the shear capacity of asphalt concrete layer, be favorable to improving the bulk strength of road surface cover layer;

3. the utility model discloses a set up the rubber asphalt layer between metalling and former road surface, can stabilize the metalling through the rubber asphalt layer, make the metalling can with asphalt concrete layer's inside accurate gomphosis, thereby can fix a position asphalt concrete layer, improve asphalt concrete layer's ability of shearing, and also can cushion the absorption to the stress of thin layer top facing through the rubber asphalt layer, avoid thin layer top facing stress to lead to the damage, be favorable to improving the life of thin layer top facing.

Drawings

FIG. 1 is a schematic view of the overall structure of a novel durable cement pavement thin-layer overlay pavement structure of the present invention;

FIG. 2 is a schematic structural view of a wear-resistant assembly of the novel durable cement pavement thin-layer overlay pavement structure of the present invention;

fig. 3 is the utility model discloses a novel durable type cement road surface thin layer top facing structure sketch map is overlooked to strengthening subassembly of structure.

In the figure: 1. a structural body; 101. the original pavement; 102. an asphalt concrete layer; 2. a wear assembly; 201. A waterproof layer; 202. an epoxy asphalt layer; 203. a wear layer; 204. an anti-slip layer; 3. a reinforcement assembly; 301. A fixing strip; 302. a limit pin; 303. a first steel wire; 304. a second steel wire; 4. an absorbent assembly; 401. a rubber asphalt layer; 402. and (4) a crushed stone layer.

Detailed Description

As shown in fig. 1-2, a novel durable cement pavement thin overlay pavement paving structure comprises a structure body 1, a reinforcing component 3 and an absorbing component 4, wherein the top end of the structure body 1 is provided with a wear-resistant component 2 for prolonging the durability, the reinforcing component 3 for reinforcing is arranged inside the lower end of the structure body 1, the absorbing component 4 for absorbing stress is arranged above the reinforcing component 3, the structure body 1 comprises an original pavement 101 and an asphalt concrete layer 102, the asphalt concrete layer 102 is arranged below the wear-resistant component 2, the wear-resistant component 2 comprises a waterproof layer 201, an epoxy asphalt layer 202, a wear-resistant layer 203 and an anti-slip layer 204, the upper end of the waterproof layer 201 is connected with the epoxy asphalt layer 202, the wear-resistant layer 203 is arranged above the epoxy asphalt layer 202, the bottom surface of the waterproof layer 201 is attached to the top surface of the asphalt concrete layer 102, and the top surface of the waterproof layer 201 is attached to the top surface of the epoxy asphalt layer 202, the waterproof performance of the thin-layer cover surface is improved through the waterproof layer 201, the epoxy asphalt layer 202 is arranged above the waterproof layer 201, the abrasion-resistant layer 203 is convenient to bond and fix through the adhesion of the epoxy asphalt layer 202, the durability of the thin-layer cover surface can be improved, the epoxy asphalt layer 202 has good high-temperature performance, the reduction of the shearing strength between layers caused by the rise of the temperature of the road surface can be prevented, the anti-skid layer 204 is arranged at the top end of the abrasion-resistant layer 203, the anti-skid layer 204 can increase the friction force of the road surface and is beneficial to improving the safety in use in rainy days, the absorption assembly 4 comprises a rubber asphalt layer 401 and a crushed stone layer 402, the rubber asphalt layer 401 is arranged above the first steel wire 303, the crushed stone layer 402 is arranged above the rubber asphalt layer 401 and is in a chimeric shape with the rubber asphalt layer 401, and the crushed stone layer 402 can be stabilized through the rubber asphalt layer 401, make rubble layer 402 can with the accurate gomphosis in asphalt concrete layer 102's inside to can fix a position asphalt concrete layer 102, improve asphalt concrete layer 102's ability of shearing, and also can cushion the absorption to the stress of thin layer top facing through rubber asphalt layer 401, avoid thin layer top facing stress to lead to the damage, be favorable to improving the life of thin layer top facing.

As shown in fig. 3, the reinforcing member 3 includes a fixing strip 301, a spacing pin 302, a first steel wire 303 and a second steel wire 304, the spacing pin 302 is fixedly connected to the inside of the fixing strip 301, the first steel wire 303 is fixedly connected to the front and rear sides of the fixing strip 301, the spacing pin 302 is equidistantly distributed about the top surface of the fixing strip 301, the spacing pin 302 is embedded with the original pavement 101, the fixing strip 301 can be fixed on the original pavement 101 by the spacing pin 302, and the upper end of the spacing pin 302 can penetrate into the asphalt concrete layer 102, so as to improve the shear resistance of the asphalt concrete layer 102, and improve the overall strength of the pavement cover, the second steel wire 304 is arranged on the left and right sides of the first steel wire 303, the length direction of the first steel wire 303 is vertically distributed with the length direction of the second steel wire 304, the length direction of the second steel wire 304 is distributed in parallel with the length direction of the fixing strip 301, the grid formed by the first steel wires 303 and the second steel wires 304 is used for reinforcing the top end of the original pavement 101, so that the reduction of the stability of the thin overlay caused by the breakage of the original pavement 101 is avoided, and the stability and the pressure resistance of the pavement cover can be enhanced.

In conclusion, when the novel durable cement pavement thin layer overlay pavement structure is used, firstly, according to the structure shown in fig. 1 and fig. 3, the fixing strip 301 is fixed on the original pavement 101 through the limit pin 302, so that the grid formed by the first steel wire 303 and the second steel wire 304 can reinforce the top end of the original pavement 101, the reduction of the stability of the thin layer overlay caused by the crushing of the original pavement 101 is avoided, the stability and the pressure resistance of the pavement cover can be enhanced, the upper end of the limit pin 302 can penetrate into the asphalt concrete layer 102, the shear resistance of the asphalt concrete layer 102 can be improved, the overall strength of the pavement cover is improved, then, the rubber asphalt layer 401 and the gravel layer 402 are arranged above the reinforcing component 3, the gravel layer 402 can be paved through the rubber asphalt layer 401, and the gravel layer 402 can be precisely embedded with the interior of the asphalt concrete layer 102, thereby, the asphalt concrete layer 102 can be positioned, the shearing resistance of the asphalt concrete layer 102 is improved, the stress of the thin overlay can be buffered and absorbed through the rubber asphalt layer 401, the thin overlay stress is prevented from being damaged, the service life of the thin overlay is favorably prolonged, then the asphalt concrete layer 102 is paved above the absorption component 4, finally, the wear-resistant component 2 is paved above the asphalt concrete layer 102 according to the structure shown in figure 2, the waterproof performance of the thin overlay can be improved through the waterproof layer 201, the epoxy asphalt layer 202 is arranged above the waterproof layer 201, the wear-resistant layer 203 can be bonded and fixed through the adhesion of the epoxy asphalt layer 202, the durability of the thin overlay can be improved, the upper end of the wear-resistant layer 203 is provided with the anti-skid layer 204, and the friction of the road surface can be improved, the safety of the epoxy asphalt layer 202 in rainy days is improved, the epoxy asphalt layer has good high-temperature performance, and the reduction of the interlayer shear strength caused by the increase of the temperature of the road surface can be prevented.

Claims (7)

1. The utility model provides a novel durable cement road surface thin layer overlay pavement structure, includes main structure body (1), strengthens subassembly (3) and absorption subassembly (4), its characterized in that, the top of main structure body (1) is provided with and is used for prolonging durable wear-resisting subassembly (2), is used for the reinforcement strengthen the subassembly (3) and set up in the lower extreme of main structure body (1) inside, be used for stress absorption absorb subassembly (4) set up in the top of strengthening subassembly (3), main structure body (1) includes former road surface (101) and bituminous concrete layer (102), bituminous concrete layer (102) sets up in the below of wear-resisting subassembly (2), wear-resisting subassembly (2) include waterproof layer (201), epoxy pitch layer (202), wearing layer (203) and skid resistant course (204), the upper end of waterproof layer (201) is connected with epoxy pitch layer (202), and a wear-resistant layer (203) is arranged above the epoxy asphalt layer (202), and an anti-skid layer (204) is arranged at the top end of the wear-resistant layer (203).

2. The new durable cement pavement thin mat finishing structure as claimed in claim 1, wherein the bottom surface of the waterproof layer (201) is attached to the top surface of the asphalt concrete layer (102), and the top surface of the waterproof layer (201) is attached to the top surface of the epoxy asphalt layer (202).

3. The novel durable cement pavement thin mat facing structure is characterized in that the reinforcing component (3) comprises a fixing strip (301), limit nails (302), first steel wires (303) and second steel wires (304), the limit nails (302) are fixedly connected inside the fixing strip (301), the first steel wires (303) are fixedly connected to the front side and the rear side of the fixing strip (301), and the second steel wires (304) are arranged on the left side and the right side of the first steel wires (303).

4. A new type of durable cement pavement thin mat overlay structure as claimed in claim 3, wherein the spacing nails (302) are equally spaced about the top surface of the fixing strip (301), and the spacing nails (302) are engaged with the original pavement (101).

5. A new durable cement pavement thin mat facing structure as claimed in claim 3, wherein the length direction of the first steel wire (303) is perpendicular to the length direction of the second steel wire (304), and the length direction of the second steel wire (304) is parallel to the length direction of the fixing strip (301).

6. A new type of durable cement pavement thin mat coating structure according to claim 1, characterized in that the absorbing component (4) comprises a rubber asphalt layer (401) and a gravel layer (402), the rubber asphalt layer (401) is arranged above the first steel wire (303), and the gravel layer (402) is arranged above the rubber asphalt layer (401).

7. The new durable cement pavement thin mat facing structure as claimed in claim 6, wherein the rubble layer (402) is embedded with the rubber asphalt layer (401).

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