CN213896605U

CN213896605U - Road surfacing structure

Info

Publication number: CN213896605U
Application number: CN202022633571.2U
Authority: CN
Inventors: 许典松; 黄朝兴; 周文秋; 林立章
Original assignee: Shenzhen Jinrun Construction Engineering Co ltd
Current assignee: Shenzhen Jinrun Construction Engineering Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-06
Anticipated expiration: 2030-11-13

Abstract

The application relates to a pavement paving structure, which comprises a cushion layer, a base layer, a cement pavement and an asphalt pavement, wherein the cushion layer is positioned at the bottom of the base layer and positioned above the cushion layer and fixedly connected with the cushion layer; the cement pavement and bituminous paving meet the department and seted up looks seam, be provided with the drainage plate in the looks seam, the drainage plate both sides respectively with cement pavement and bituminous paving fixed connection, the drainage hole has been seted up to the drainage plate upper surface, the inside drainage groove of having seted up of drainage plate, the drainage groove is linked together with the drainage hole, the drainage groove sets up downwards towards the both sides slope of looks seam. This application has the effect that improves road surface quality.

Description

Road surfacing structure

Technical Field

The application relates to the field of road surface construction, in particular to a road surface laying structure.

Background

With the continuous development of economy and society in China, the use amount of roads is larger and larger in daily life, so that higher requirements are made on the laying quality of the roads.

The current chinese patent that can refer to publication number for CN207891677U discloses a mud road surface structure, has solved the road surface of cement road surface and bituminous paving concatenation department and has appeared the crack of certain degree, reduces the roughness on road surface, influences the problem of going of vehicle, and its technical scheme main points are: broken stone basic unit has been laid under the cement concrete, it has broken stone basic unit to fill in the chute, the level is provided with the bearing plate in the broken stone basic unit, just the bearing plate is located the concatenation department of cement road surface and bituminous paving, the upper surface of cement road surface and bituminous paving concatenation department is provided with the buffer block, the utility model discloses a cement road surface structure improves the roughness of cement concrete road surface and bituminous paving concatenation department, reduces the influence to the vehicle of traveling.

In view of the above-mentioned related technologies, the inventor believes that the joint between the cement pavement and the asphalt pavement in the prior art is likely to accumulate rainwater, which affects the quality of the pavement.

SUMMERY OF THE UTILITY MODEL

In order to improve road surface quality, this application provides a road surface laying structure.

The application provides a road surface laying structure adopts following technical scheme:

a pavement paving structure comprises a cushion layer, a base layer, a cement pavement and an asphalt pavement, wherein the cushion layer is positioned on the base layer at the bottom and positioned above the cushion layer and fixedly connected with the cushion layer; the cement pavement and bituminous paving meet the department and seted up looks seam, be provided with the drainage plate in the looks seam, the drainage plate both sides respectively with cement pavement and bituminous paving fixed connection, the drainage hole has been seted up to the drainage plate upper surface, the inside drainage groove of having seted up of drainage plate, the drainage groove is linked together with the drainage hole, the drainage groove sets up downwards towards the both sides slope of looks seam.

By adopting the technical scheme, the joint of the cement pavement and the asphalt pavement is provided with the phase joint, the drainage plate is fixedly arranged in the phase joint, the width of the joint is filled by the drainage plate, and the probability of rainwater flowing in from the joint is reduced; the drainage hole has been seted up on the drainage plate, and the drainage hole is linked together with the drainage groove, and when depositing on the road surface had the rainwater, the rainwater flowed into drainage downthehole portion to flow to the drainage inslot from the drainage hole, flow to the road surface both sides along the drainage groove, reduce ponding on the road surface and rainwater and meet remaining in the seam, improved road surface quality.

Optionally, the asphalt pavement comprises an upper surface layer, a middle surface layer and a lower surface layer, the lower surface layer is positioned at the bottommost layer, a cement layer is arranged below the lower surface layer, and the cement layer is fixedly connected with the base layer; the side of the lower surface layer close to the joint is fixedly connected with the cement layer, and the side of the lower surface layer far away from the joint is fixedly connected with the base layer; the middle surface layer is positioned above the lower surface layer and is fixedly connected with the lower surface layer, the length of one end of the middle surface layer, which is close to the joint, is longer than that of the lower surface layer, the end of the middle surface layer, which is longer than the lower surface layer, is fixedly connected with the cement layer, and the rest part of the middle surface layer is fixedly connected with the lower surface layer; the upper surface layer is located the middle surface layer top, and the upper surface layer is close to the one end length of looks seam and is longer than the middle surface layer, and the upper surface layer is good at the one end and the cement layer fixed connection of middle surface layer, and the one end and the middle surface layer fixed connection of upper surface layer keeping away from looks seam.

By adopting the technical scheme, the asphalt pavement adopts a multi-layer structure, and the connection area of the asphalt pavement, the cement layer and the cement pavement is increased, so that the connection strength between the asphalt pavement and the cement pavement is increased, and the pavement quality is improved.

Optionally, a pull rod is arranged at a joint of the cement pavement and the asphalt pavement, the pull rod penetrates through the drainage plate, and two ends of the pull rod are fixedly connected with the cement pavement and the asphalt pavement respectively.

Through adopting above-mentioned technical scheme, the pull rod both ends respectively with cement road surface and bituminous paving fixed connection. The pull rod has a reinforcing effect on the connection between the cement pavement and the asphalt pavement, so that the probability of dislocation between the cement pavement and the asphalt pavement is reduced, the probability of width expansion of the joint is reduced, and the pavement quality is further improved.

Optionally, the upper surface of the cement layer is arranged obliquely downwards in a direction away from the phase joint.

Through adopting above-mentioned technical scheme, the cement layer sets up downwards with the direction slope towards keeping away from looks seam for the thickness difference on upper surface course, well surface course and the cement layer between lower surface course and the basic unit reduces, thereby makes whole bituminous paving's atress obtain certain balance, reduces upper surface course, well surface course and the bituminous paving fracture or the slope that leads to because the atress is inhomogeneous below the surface course, has improved road surface quality.

Optionally, the cement road surface is provided with an expansion joint.

Through adopting above-mentioned technical scheme, the joint that expands has been seted up on cement road surface, and when the high temperature, because expend with heat and contract with cold, cement road surface can be heated the inflation, and the joint that expands provides certain inflation limit for cement road surface, reduces because the probability that the high temperature leads to cement road surface fracture has improved the road surface quality.

Optionally, a cork plate is inserted into the expansion joint, the upper end of the cork plate is flush with the upper surface of the cement pavement, and asphalt is coated on the upper end of the cork plate.

Through adopting above-mentioned technical scheme, set up the cork board in the seam that expands, reduce the rainwater and store up the probability in the seam that expands, the cork board material is comparatively soft, and self can not ftracture when the inflation takes place for the cement road surface. Meanwhile, the asphalt on the upper end of the cork plate reduces the probability of rainwater permeating into the expansion joint from the upper end of the cork plate, and further improves the pavement quality.

Optionally, expansion joint department is inserted and is equipped with coupling assembling, and coupling assembling includes sleeve and dowel steel, the equal perpendicular to expansion joint setting of axis direction of sleeve and dowel steel and all with cement road surface fixed connection, dowel steel circumference face scribbles and is equipped with pitch, dowel steel and sleeve are located expansion joint both sides and dowel steel respectively and insert and locate inside the sleeve.

Through adopting above-mentioned technical scheme, coupling assembling forms the connection to the cement road surface of expanding joint both sides, and when the cement road surface atress of one side, coupling assembling can transmit the atress on the cement road surface of one side to adjacent cement road surface to balanced atress between every section cement road surface reduces subsiding on cement road surface, has improved road surface quality.

Optionally, a connecting rod is fixedly arranged on the circumferential surface of the connecting position of the sleeve and the cement pavement, and the connecting rod is fixedly connected with the cement pavement.

Through adopting above-mentioned technical scheme, the connecting rod has increased the area of contact between sleeve and the cement road surface to the stability of being connected between sleeve and the cement road surface has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the drainage plate is arranged in the connecting seam, and the drainage holes and the drainage grooves are formed in the drainage plate, so that the pavement quality is improved;

2. by arranging the expansion joint, the pavement quality is improved;

3. through setting up coupling assembling, the road surface quality has been improved.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic cross-sectional view taken along direction A of FIG. 1;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a front view of the present application;

FIG. 5 is a schematic view of the cross-sectional structure of FIG. 4 taken along the direction B;

fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Description of reference numerals: 1. a cushion layer; 11. a base layer; 12. cement road surface; 13. an asphalt pavement; 131. a top layer; 132. a middle layer; 133. a lower layer; 14. a cement layer; 2. joining the two edges; 3. a drainage plate; 31. a drainage hole; 32. a drainage groove; 4. a pull rod; 5. expanding the seam; 51. a cork plate; 6. a connecting assembly; 61. a sleeve; 611. a connecting rod; 62. a dowel bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses road surface laying structure. Referring to fig. 1, a road surface laying structure includes bituminous paving 13 and cement road surface 12, is provided with looks seam 2 between bituminous paving 13 and the cement road surface 12, referring to fig. 2 and 3, is provided with drainage plate 3 in the looks seam 2, and drainage hole 31 and drainage groove 32 have been seted up to drainage plate 3, and drainage hole 31 and drainage groove 32 are linked together, discharges the ponding on road surface, has reduced the piling up of ponding, has improved the road surface quality.

Referring to fig. 1 and 3, the whole pavement structure further includes a mat layer 1 and a base layer 11, wherein the mat layer 1 is located at the bottom of the base layer 11, and the base layer 11 is fixedly connected with the mat layer 1. The cement pavement 12 and the asphalt pavement 13 are flush in upper surface, and the cement pavement 12 is located above the base course 11 and fixedly connected with the base course 11. A plurality of drainage holes 31 on the drainage plate 3 are arranged, the drainage holes 31 are positioned at the upper end of the drainage plate 3, and the upper surface of the drainage holes 31 vertical to the cement pavement 12 is downwards arranged. The drainage grooves 32 are formed in the center of the drainage plate 3 to be inclined downward toward both sides away from the center of the drainage plate 3. When rainwater is on the road surface, the rainwater can flow into the drainage grooves 32 from the drainage holes 31 and flow out of the road surface along the inclined drainage grooves 32, so that the probability of accumulation of the accumulated water on the road surface and the joint 2 is reduced, and the quality of the road surface is improved.

Referring back to fig. 1, the asphalt pavement further comprises a cement layer 14, wherein the cement layer 14 is arranged below the asphalt pavement 13, and the ground of the cement layer 14 is fixedly connected with the upper surface of the base layer 11. Referring to fig. 4, the asphalt pavement 13 includes an upper surface layer 131, a middle surface layer 132, and a lower surface layer 133, the lower surface layer 133 is located at the lowest layer, and the lower surface layer 133 is fixedly connected with the cement layer 14. The middle layer 132 is located above the lower layer 133, and the length of the end of the middle layer 132 close to the joint 2 is longer than that of the lower layer 133, and the end of the middle layer 132 close to the joint 2 is fixedly connected with the lower layer 133. The end of the middle surface layer 132 far away from the joint 2 is flush with the edge of the lower surface layer 133, and the side of the middle surface layer 132 far away from the joint 2 is fixedly connected with the lower surface layer 133. The upper layer 131 is located above the middle layer 132, and one side edge of the upper layer 131 away from the phase seam 2 is flush with the middle layer 132, one end of the upper layer 131 close to the phase seam 2 is fixedly connected with the middle layer 132, referring to fig. 5, and the upper layer 131 abuts against the drainage plate 3. The three layers of the asphalt pavement 13 are arranged, so that the contact area between the asphalt pavement 13 and the cement layer 14 is increased, the connection stability between the asphalt pavement 13 and the cement layer 14 is improved, and the pavement quality is improved.

Referring to fig. 5, a pull rod 4 is arranged between the cement layer 14 and the cement pavement 12, the pull rod 4 penetrates through the drainage plate 3, and two ends of the pull rod 4 are respectively fixedly connected with the cement layer 14 and the cement pavement 12. The pull rod 4 has a reinforcing effect on the connection between the cement layer 14 and the cement pavement 12, and reduces the probability of pavement settlement. The upper surface of the cement layer 14 is obliquely arranged downwards along the direction far away from the phase joint 2, so that the thicknesses of the cement layers 14 between the lower part of the upper surface layer 131, the middle surface layer 132 and the lower surface layer 133 and the base layer 11 are basically the same as possible, and the probability of pavement settlement is reduced.

Referring to fig. 6, the cement pavement 12 is provided with the expansion joint 5, when the air temperature is too high, the cement pavement 12 can expand, and the expansion joint 5 allows the cement pavement 12 to expand to a certain degree, so that other consequences such as pavement cracking damage and the like caused by the fact that the air temperature is too high on the cement pavement 12 are reduced, and the pavement quality is improved. A cork plate 51 is fixedly arranged in the expansion joint 5, the upper end of the cork plate 51 is flush with the upper surface of the cement pavement 12, and the top end of the cork plate 51 is coated with asphalt. The cork plate 51 reduces the accumulation of rainwater in the expansion joint 5, so that the quality of the pavement is improved, the probability of rainwater permeating into the expansion joint 5 is further reduced by the asphalt at the end part of the cork plate 51, and the quality of the pavement is improved.

Referring to fig. 6, the connecting assemblies 6 are arranged at two ends of the expansion joint 5, each connecting assembly 6 comprises a sleeve 61 and a dowel bar 62, each dowel bar 62 is inserted into each sleeve 61 and is fixedly connected with each sleeve 61, the axial direction of each sleeve 61 is perpendicular to the expansion joint 5, and each sleeve 61 and each dowel bar 62 are fixedly connected with the cement pavement 12. The connecting assembly 6 is used for connecting the cement pavements 12 on two sides of the expansion joint 5, when the stress on the upper surface of the cement pavement 12 is large, the connecting assembly 6 can conduct the stress on the cement pavements 12 on two sides of the expansion joint 5, the uneven pavement surface caused by the single-side settlement of the cement pavement 12 is reduced, and the pavement quality is improved. Four connecting rods 611 are fixedly connected to the circumferential surface of the sleeve 61, the connecting rods 611 increase the connecting area between the sleeve 61 and the cement pavement 12, and the connecting stability of the cement pavement 12 and the connecting assembly 6 is improved.

The implementation principle of the pavement paving structure in the embodiment of the application is as follows: the cushion layer 1 is positioned at the bottommost layer, the base layer 11 is positioned above the cushion layer 1, and the cement pavement 12, the asphalt pavement 13 and the cement layer 14 are used for receiving vehicles coming in and going out of the pavement. Expansion joint 5 provides certain surplus for cement road surface 12 thermal expansion, and cork board 51 reduces ponding and persists inside expansion joint 5, and coupling assembling 6 has reduced cement road surface 12 and has taken place the probability of subsiding. The drainage plate 3 in the seam 2 that meets between 12 and the bituminous paving 13 of cement pavement is to the rainwater on bituminous paving 13 surface drainage, and the rainwater flows to the road surface outside through drainage hole 31 and drainage groove 32, has improved the road surface quality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a road surface laying structure, including bed course (1), basic unit (11), cement road surface (12) and bituminous paving (13), bed course (1) is located the bottom, basic unit (11) are located bed course (1) top and with bed course (1) fixed connection, cement road surface (12) upper surface and bituminous paving (13)'s upper surface are located same horizontal plane, and cement road surface (12) and bituminous paving (13) all are located bed course (1) top and with bed course (1) fixed connection, its characterized in that: cement road surface (12) and bituminous paving (13) meet the department and seted up looks seam (2), be provided with drainage plate (3) in meeting seam (2), drainage plate (3) both sides respectively with cement road surface (12) and bituminous paving (13) fixed connection, drainage hole (31) have been seted up to drainage plate (3) upper surface, drainage groove (32) have been seted up to drainage plate (3) inside, drainage groove (32) are linked together with drainage hole (31), drainage groove (32) set up downwards towards the both sides slope of looks seam (2).

2. A pavement laying structure according to claim 1, wherein: the asphalt pavement (13) comprises an upper surface layer (131), a middle surface layer (132) and a lower surface layer (133), the lower surface layer (133) is positioned on the bottommost layer, a cement layer (14) is arranged below the lower surface layer (133), and the cement layer (14) is fixedly connected with the base layer (11); the side of the lower surface layer (133) close to the joint (2) is fixedly connected with the cement layer (14), and the side of the lower surface layer (133) far away from the joint (2) is fixedly connected with the base layer (11); the middle surface layer (132) is positioned above the lower surface layer (133) and fixedly connected with the lower surface layer (133), the length of one end, close to the joint (2), of the middle surface layer (132) is longer than that of the lower surface layer (133), one end, longer than that of the lower surface layer (133), of the middle surface layer (132) is fixedly connected with the cement layer (14), and the rest part of the middle surface layer (132) is fixedly connected with the lower surface layer (133); the upper surface layer (131) is located above the middle surface layer (132), the length of one end, close to the phase joint (2), of the upper surface layer (131) is longer than that of the middle surface layer (132), one end, far away from the phase joint (2), of the upper surface layer (131) is fixedly connected with the cement layer (14), and one end, far away from the phase joint (2), of the upper surface layer (131) is fixedly connected with the middle surface layer (132).

3. A pavement laying structure according to claim 2, wherein: the cement pavement (12) and the cement layer (14) are mutually connected with the joint (2) and are provided with the pull rod (4), the pull rod (4) penetrates through the drainage plate (3) and is arranged, and two ends of the pull rod (4) are fixedly connected with the cement pavement (12) and the cement pavement (12) respectively.

4. A pavement laying structure according to claim 2, wherein: the upper surface of the cement layer (14) is arranged obliquely downwards along the direction far away from the phase joint (2).

5. A pavement laying structure according to claim 1, wherein: the cement pavement (12) is provided with expansion joints (5).

6. A road-surfacing structure according to claim 5, wherein: a cork plate (51) is inserted into the expansion joint (5), the upper end of the cork plate (51) is flush with the upper surface of the cement pavement (12), and asphalt is coated on the upper end of the cork plate (51).

7. A road-surfacing structure according to claim 5, wherein: expansion joint (5) department is inserted and is equipped with coupling assembling (6), coupling assembling (6) including sleeve (61) and dowel steel (62), the axis direction equal perpendicular to expansion joint (5) setting of sleeve (61) and dowel steel (62) and all with cement road surface (12) fixed connection, dowel steel (62) circumference face coating is equipped with pitch, dowel steel (62) and sleeve (61) are located expansion joint (5) both sides and dowel steel (62) respectively and insert and locate inside sleeve (61).

8. A pavement laying structure according to claim 7, wherein: the connecting rod (611) is fixedly arranged on the circumferential surface of the connecting position of the sleeve (61) and the cement road surface (12), and the connecting rod (611) is fixedly connected with the cement road surface (12).