Concrete pavement joint processing structure

Abstract

The utility model discloses a concrete pavement joint processing structure, which relates to the technical field of pavement joint processing and comprises a concrete layer and a joint component, transverse joints are arranged on the surface of the concrete layer, longitudinal joints are arranged on the surface of the concrete layer, and the joint component is arranged on the surface of the concrete layer. And the joint assembly comprises a clamping groove, a groove-shaped steel plate, a polyurethane elastomer, a threaded fixing bolt and a joint auxiliary steel bar, the clamping groove is formed in the upper surface of the concrete layer, and the inner side of the clamping groove is connected with the groove-shaped steel plate in a clamped mode. According to the concrete pavement joint treatment structure, the device can quickly and stably treat a joint of a concrete pavement through the joint assembly so as to ensure the safety, durability and functionality of the pavement structure, and the device can reinforce the joint through the reinforcing assembly, so that the stability of the joint is improved; the influence of thermal expansion and cold contraction of the pavement and the influence of foundation settlement are further relieved, and the pavement is prevented from being damaged by cracking, deformation and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of pavement joint treatment, in particular to a concrete pavement joint treatment structure. Background Technique

[0002] A concrete pavement refers to a pavement with a cement concrete slab as the surface layer, also known as a rigid pavement or a white pavement, which belongs to a kind of high-grade pavement. It consists of a pavement structure composed of a cement concrete slab as the surface layer, with a base layer and a cushion layer provided below. The cement concrete pavement has high strength and is not easy to deform, but it is easy to crack. In order to prevent the pavement from cracking or expanding and contracting due to temperature changes, joints need to be set in the concrete pavement. Therefore, a concrete pavement joint treatment structure is required. However, the current concrete pavement joint treatment structure still has the following deficiencies:

[0003] For example, the patent document with the application number 202220182559.0 discloses a pavement joint treatment structure for preventing reflection cracks. This pavement joint treatment structure for preventing reflection cracks can withstand impact loads and effectively transfer stress, thus ensuring that the asphalt pavement is not damaged due to the generation of reflection cracks. However, its treatment structure for pavement joints is single, and the treatment effect on joints is poor, resulting in the re-cracking of the concrete pavement.

[0004] Therefore, in view of this, research and improvement are carried out on the deficiencies of the existing structure, and a concrete pavement joint treatment structure is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a concrete pavement joint treatment structure to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A concrete pavement joint treatment structure includes a concrete layer and a joint component. Transverse joints are provided on the surface of the concrete layer, and longitudinal joints are provided on the surface of the concrete layer. The joint component is arranged on the surface of the concrete layer, and the joint component includes a clamping groove, a channel steel plate, a polyurethane elastomer, a threaded fixing bolt, and a joint auxiliary steel bar. The clamping groove is opened on the upper surface of the concrete layer, and the channel steel plate is snap-connected inside the clamping groove. The lower surface of the channel steel plate is connected to the upper side of the longitudinal joint, and a polyurethane elastomer is arranged on the lower surface of the channel steel plate, and the polyurethane elastomer is snap-connected to the inside of the longitudinal joint. The surface of the channel steel plate is threadedly connected with a threaded fixing bolt.

[0007] Furthermore, the threaded fixing bolts are equidistantly arranged on the upper surface of the channel steel plate, the channel steel plate is a rigid structure, and a joint auxiliary steel bar is arranged on the upper side of the transverse joint.

[0008] Furthermore, a base layer is provided on the lower surface of the concrete layer, and a reinforcement assembly for reinforcement is provided on the surface of the concrete layer.

[0009] Furthermore, the reinforcement assembly includes a concrete reinforcement groove, a first concrete reinforcement layer, and a second concrete reinforcement layer. The concrete reinforcement groove is formed on the upper surface of the concrete layer, and a first concrete reinforcement layer is provided inside the concrete reinforcement groove. A second concrete reinforcement layer is provided inside the upper groove of the channel steel plate.

[0010] Furthermore, the reinforcement assembly further includes a first filling hole, a second filling hole, and a sealant caulking agent. The first filling hole is formed on the surface of the channel steel plate, the second filling hole is formed on the upper surface of the polyurethane elastomer, and the sealant caulking agent is provided inside the polyurethane elastomer, as well as inside the longitudinal joints and transverse joints.

[0011] Furthermore, load transfer bars are provided inside the transverse joints, and the load transfer bars are symmetrically arranged inside the concrete layer.

[0012] Furthermore, tie bars are installed inside the longitudinal joints, and the tie bars are equidistantly arranged inside the concrete layer.

[0013] Furthermore, the lower end of the threaded fixing bolt is threadedly connected to the concrete layer, and the threaded fixing bolt is tightly connected to the inside of the second concrete reinforcement layer.

[0014] The utility model provides a concrete pavement joint treatment structure, which has the following beneficial effects:

[0015] 1. By setting a joint assembly, the joint assembly includes a clamping groove, a channel steel plate, a polyurethane elastomer, a threaded fixing bolt, and joint auxiliary steel bars. During use, prestress is applied to the surface of the transverse joint through the joint auxiliary steel bars, a clamping groove is cut out on the outer side of the longitudinal joint, and the channel steel plate is fixed on the surface of the concrete layer through the clamping connection between the channel steel plate and the clamping groove. At this time, the polyurethane elastomer is inserted into the longitudinal joint to maintain the flexibility and elasticity of the road surface, reduce the risk of cracking and fracture of the road surface, fix the connection between the channel steel plate and the concrete layer through the threaded fixing bolt to prevent offset and limit, and increase the bearing capacity and crack resistance of the road surface through the joint auxiliary steel bars and the channel steel plate, so that the device can quickly and stably treat the joints of the concrete pavement to ensure the safety, durability, and functionality of the road surface structure.

[0016] 2. The utility model is provided with a reinforcement component. The reinforcement component includes a concrete reinforcement groove, a first concrete reinforcement layer and a second concrete reinforcement layer. The reinforcement component also includes a first filling hole, a second filling hole and a sealant caulking agent. During use, concrete is poured into the concrete reinforcement groove to form the first concrete reinforcement layer, which reinforces the joint auxiliary steel bars. The sealant caulking agent is filled into the longitudinal joint through the first filling hole and the second filling hole to improve the elasticity and anti-aging performance of the inner side of the joint. Then, concrete is poured into the upper groove body of the channel steel plate to form the second concrete reinforcement layer, which protects and reinforces the channel steel plate. Thus, the device can reinforce the joint, improve its stability, further alleviate the influence of thermal expansion and contraction of the road surface and the influence of foundation settlement, and prevent the road surface from being damaged such as cracking and deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of a joint component of a concrete pavement joint treatment structure of the utility model;

[0018] Figure 2 is a concrete pavement joint treatment structure of the utility model Figure 1 and is an enlarged structural schematic diagram at A in the figure;

[0019] Figure 3 is a three-dimensional structural schematic diagram of a concrete pavement joint treatment structure of the utility model;

[0020] Figure 4 is a three-dimensional sectional structural schematic diagram of a concrete layer of a concrete pavement joint treatment structure of the utility model.

[0021] In the figure: 1, concrete layer; 2, transverse joint; 3, longitudinal joint; 4, joint component; 401, clamping groove; 402, channel steel plate; 403, polyurethane elastomer; 404, threaded fixing bolt; 405, joint auxiliary steel bar; 5, base layer; 6, reinforcement component; 601, concrete reinforcement groove; 602, first concrete reinforcement layer; 603, second concrete reinforcement layer; 604, first filling hole; 605, second filling hole; 606, sealant caulking agent; 7, load transfer bar; 8, tie bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] As Figures 1 to 4As shown in the figure, a concrete pavement joint treatment structure includes a concrete layer 1 and a joint assembly 4. A transverse joint 2 is formed on the surface of the concrete layer 1, and a longitudinal joint 3 is provided on the surface of the concrete layer 1. The joint assembly 4 is arranged on the surface of the concrete layer 1, and the joint assembly 4 includes a clamping groove 401, a channel steel plate 402, a polyurethane elastomer 403, a threaded fixing bolt 404, and a joint auxiliary steel bar 405. The clamping groove 401 is formed on the upper surface of the concrete layer 1, and the channel steel plate 402 is snap-fitted inside the clamping groove 401. The lower surface of the channel steel plate 402 is connected to the upper side of the longitudinal joint 3, and a polyurethane elastomer 403 is arranged on the lower surface of the channel steel plate 402, and the polyurethane elastomer 403 is snap-fitted inside the longitudinal joint 3. The surface of the channel steel plate 402 is threadedly connected with a threaded fixing bolt 404.

[0024] The specific operation is as follows. When in use, prestress is applied to the surface of the transverse joint 2 through the joint auxiliary steel bar 405, and the clamping groove 401 is cut out on the outside of the longitudinal joint 3. The channel steel plate 402 is fixed on the surface of the concrete layer 1 through the snap-fitting connection between the channel steel plate 402 and the clamping groove 401. At this time, the polyurethane elastomer 403 is stuffed into the longitudinal joint 3 to maintain the flexibility and elasticity of the road surface and reduce the risk of cracking and fracture of the road surface. The connection between the channel steel plate 402 and the concrete layer 1 is fixed through the threaded fixing bolt 404 to prevent offset and limit. The bearing capacity and crack resistance of the road surface are increased through the joint auxiliary steel bar 405 and the channel steel plate 402.

[0025] Please refer to Figures 1 to 4 , the threaded fixing bolts 404 are equidistantly arranged on the upper surface of the channel steel plate 402, and the channel steel plate 402 is a rigid structure. A joint auxiliary steel bar 405 is arranged on the upper side of the transverse joint 2. A base layer 5 is arranged on the lower surface of the concrete layer 1, and a reinforcement assembly 6 for reinforcement is arranged on the surface of the concrete layer 1. The reinforcement assembly 6 includes a concrete reinforcement groove 601, a first concrete reinforcement layer 602, and a second concrete reinforcement layer 603. The concrete reinforcement groove 601 is formed on the upper surface of the concrete layer 1, and a first concrete reinforcement layer 602 is arranged inside the concrete reinforcement groove 601. A second concrete reinforcement layer 603 is arranged inside the groove on the upper side of the channel steel plate 402. The reinforcement assembly 6 further includes a first filling hole 604, a second filling hole 605, and a sealant caulking agent 606. A first filling hole 604 is formed on the surface of the channel steel plate 402, a second filling hole 605 is formed on the upper surface of the polyurethane elastomer 403, and a sealant caulking agent 606 is arranged inside the polyurethane elastomer 403, inside the longitudinal joint 3, and inside the transverse joint 2. A load transfer bar 7 is arranged inside the transverse joint 2, and the load transfer bars 7 are symmetrically arranged inside the concrete layer 1. A tie bar 8 is installed inside the longitudinal joint 3, and the tie bars 8 are equidistantly arranged inside the concrete layer 1. The lower end of the threaded fixing bolt 404 is threadedly connected with the concrete layer 1, and the threaded fixing bolt 404 is tightly connected with the inside of the second concrete reinforcement layer 603;

[0026] The specific operation is as follows. When in use, pour concrete into the concrete reinforcement groove 601 to form the first concrete reinforcement layer 602, reinforce the joint auxiliary reinforcement 405, and fill the longitudinal joint 3 with a sealant caulking agent 606 through the first filling hole 604 and the second filling hole 605 to improve the elasticity and anti-aging performance inside the joint. Then, pour concrete into the upper groove of the channel steel plate 402 to form the second concrete reinforcement layer 603 to protect and reinforce the channel steel plate 402. The load transfer bar 7 can transfer the driving load between two road slabs and prevent uneven settlement, and the tie bar 8 can prevent the road slab from shifting and the gap of the longitudinal joint 3 from expanding.

[0027] In summary, as Figures 1 to 4 shown, for the concrete pavement joint treatment structure, when in use, first apply prestress on the surface of the transverse joint 2 through the joint auxiliary reinforcement 405, cut out the clamping groove 401 on the outside of the longitudinal joint 3, and fix the channel steel plate 402 on the surface of the concrete layer 1 through the clamping connection between the channel steel plate 402 and the clamping groove 401. At this time, the polyurethane elastomer 403 is stuffed into the longitudinal joint 3 to maintain the flexibility and elasticity of the road surface, reduce the risk of cracking and fracture of the road surface, fix the connection between the channel steel plate 402 and the concrete layer 1 through the threaded fixing bolt 404 to prevent deviation and limit, and increase the bearing capacity and crack resistance of the road surface through the joint auxiliary reinforcement 405 and the channel steel plate 402. Subsequently, pour concrete into the concrete reinforcement groove 601 to form the first concrete reinforcement layer 602, reinforce the joint auxiliary reinforcement 405, fill the longitudinal joint 3 with a sealant caulking agent 606 through the first filling hole 604 and the second filling hole 605 to improve the elasticity and anti-aging performance inside the joint, then pour concrete into the upper groove of the channel steel plate 402 to form the second concrete reinforcement layer 603 to protect and reinforce the channel steel plate 402. The load transfer bar 7 can transfer the driving load between two road slabs and prevent uneven settlement, and the tie bar 8 can prevent the road slab from shifting and the gap of the longitudinal joint 3 from expanding.

[0028] The embodiments of the present invention are given for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the invention and its practical application, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A concrete pavement joint treatment structure, comprising a concrete layer (1) and a joint assembly (4), characterized in that: The surface of the concrete layer (1) is provided with a transverse seam (2), and the surface of the concrete layer (1) is provided with a longitudinal seam (3). The joint assembly (4) is provided on the surface of the concrete layer (1), and the joint assembly (4) comprises a clamping groove (401), a grooved steel plate (402), a polyurethane elastomer (403), a threaded fixing bolt (404) and a joint auxiliary steel bar (405). The clamping groove (401) is provided on the upper surface of the concrete layer (1), and the inner side of the clamping groove (401) is clamped and connected with the grooved steel plate (402). The lower surface of the grooved steel plate (402) is connected with the upper side of the longitudinal seam (3), and the lower surface of the grooved steel plate (402) is provided with a polyurethane elastomer (403), and the polyurethane elastomer (403) is clamped and connected with the inner side of the longitudinal seam (3). The surface of the grooved steel plate (402) is threadedly connected with the threaded fixing bolt (404).

2. A concrete pavement joint treatment structure according to claim 1, characterized in that: The threaded fixing bolts (404) are equidistantly arranged on the upper surface of the grooved steel plate (402), and the grooved steel plate (402) is a hard structure. A joint auxiliary steel bar (405) is arranged on the upper side of the transverse seam (2).

3. A concrete pavement joint treatment structure according to claim 1, characterized in that: The lower surface of the concrete layer (1) is provided with a base layer (5), and the surface of the concrete layer (1) is provided with a reinforcement component (6) for reinforcement.

4. A concrete pavement joint treatment structure according to claim 3, characterized in that: The reinforcement component (6) comprises a concrete reinforcement groove (601), a first concrete reinforcement layer (602) and a second concrete reinforcement layer (603), wherein the concrete reinforcement groove (601) is opened on the upper surface of the concrete layer (1), and the first concrete reinforcement layer (602) is arranged inside the concrete reinforcement groove (601), and the second concrete reinforcement layer (603) is arranged inside the groove body on the upper side of the grooved steel plate (402).

5. A concrete pavement joint treatment structure according to claim 4, characterized in that: The reinforcement component (6) further comprises a first filling hole (604), a second filling hole (605) and a sealant caulking agent (606), and the first filling hole (604) is provided on the surface of the grooved steel plate (402), the second filling hole (605) is provided on the upper surface of the polyurethane elastomer (403), and the sealant caulking agent (606) is provided on the inner side of the polyurethane elastomer (403), the longitudinal seam (3) and the inner side of the transverse seam (2).

6. A concrete pavement joint treatment structure according to claim 1, characterized in that: A force transmission rod (7) is arranged inside the transverse joint (2), and the force transmission rod (7) is symmetrically arranged inside the concrete layer (1).

7. A concrete pavement joint treatment structure according to claim 1, characterized in that: Tie rods (8) are installed inside the longitudinal seam (3), and the tie rods (8) are arranged at equal distances inside the concrete layer (1).

8. The concrete pavement joint treatment structure according to claim 1, characterized in that: The lower end of the threaded fixing bolt (404) is threadedly connected to the concrete layer (1), and the threaded fixing bolt (404) is tightly connected to the inside of the second concrete reinforcement layer (603).

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