Asphalt pavement joint processing structure

Abstract

The utility model relates to the technical field of asphalt pavement joint treatment, in particular to an asphalt pavement joint treatment structure which comprises a paved asphalt pavement, a later paved asphalt pavement and a first joint belt, the first joint belt comprises a first vertical belly belt, a first upper horizontal wing belt and a first lower horizontal wing belt, the first vertical belly belt is vertically arranged, the first upper horizontal wing belt and the first lower horizontal wing belt are arranged at the upper end and the lower end of the first vertical belly belt in a staggered mode, the first vertical belly belt is arranged between the paved asphalt pavement and the end face of the later-paved asphalt pavement, and the first upper horizontal wing belt is erected on the upper surface of the paved asphalt pavement; and one end, close to the paved asphalt pavement, of the later paved asphalt pavement is pressed on the first lower horizontal wing belt. The first joint belt of the Z-shaped structure is arranged between the paved asphalt pavement and the later paved asphalt pavement, and the first upper horizontal wing belt at the top of the Z-shaped structure is erected on the upper surface of the paved asphalt pavement, so that the gravity center of the top of the first joint belt is located on the paved asphalt pavement, and the first joint belt is not prone to toppling over.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt pavement joint processing, and more specifically, particularly relates to an asphalt pavement joint processing structure. Background Art

[0002] Asphalt pavement refers to a road surface that is paved with road asphalt materials mixed into mineral materials. During the construction process, the joint process of the asphalt pavement directly affects the construction quality of the entire asphalt pavement.

[0003] A Chinese utility model patent with authorization announcement number CN210288006U discloses an asphalt pavement joint processing structure, including an existing asphalt pavement and a later-laid asphalt pavement, and a T-shaped coil is arranged between the existing asphalt pavement and the later-laid asphalt pavement. The T-shaped coil includes a left flange, a right flange and a belly wall, and holes are arranged on the belly wall.

[0004] During the construction of the asphalt pavement joint treatment structure in the above-mentioned prior art, a T-shaped roll is placed on the existing asphalt pavement, and then after the subsequent asphalt pavement is paved, the subsequent asphalt pavement is contacted with the existing asphalt pavement through the holes on the belly wall to complete the plugging of the gap; however, during the construction process, the T-shaped roll is not fixed, which makes it easy for the T-shaped roll to tip over during the construction process. Utility Model Content

[0005] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0006] An asphalt pavement joint processing structure includes a paved asphalt pavement, a later-laid asphalt pavement and a first joint band, wherein the first joint band is a Z-shaped structure, and includes a vertically arranged first vertical belly band and a first upper horizontal wing band and a first lower horizontal wing band alternately arranged at the upper and lower ends of the first vertical belly band, the first vertical belly band is arranged between the end faces of the paved asphalt pavement and the later-laid asphalt pavement, the first upper horizontal wing band is laid on the upper surface of the paved asphalt pavement, and the end of the later-laid asphalt pavement close to the paved asphalt pavement is pressed onto the first lower horizontal wing band.

[0007] Furthermore, a plurality of first diagonal bracing belts are provided between the first vertical belly belt and the first lower horizontal wing belt, and the first diagonal bracing belts are in a triangular structure.

[0008] Furthermore, the paved asphalt pavement has a two-step structure at one end close to the later-paved asphalt pavement, and the later-paved asphalt pavement has an inverted step structure opposite to the paved asphalt pavement. The first seam band is arranged at the end of the first step from top to bottom of the later-paved asphalt pavement, and the second seam band is arranged at the end of the second step.

[0009] Furthermore, the second seam band has a Z-shaped structure, and the second seam band includes a vertically arranged second vertical belly band and a second upper horizontal wing band and a second lower horizontal wing band that are staggered at the upper and lower ends of the second vertical belly band. The second vertical belly band is arranged on the vertical end face of the second step section, the second upper horizontal wing band is laid on the upper surface of the second step section, and the post-paved asphalt pavement is pressed on the second seam band.

[0010] Furthermore, a plurality of second diagonal bracing belts are provided between the second vertical belly belt and the second lower horizontal wing belt, and the second diagonal bracing belts are in a triangular structure.

[0011] Furthermore, a sealing strip is provided at one end where the paved asphalt pavement and the upper surface of the later paved asphalt pavement are close to each other, and half of the sealing strip is provided on the first upper horizontal wing strip, and the other half is provided on the upper surface of the later paved asphalt pavement.

[0012] Furthermore, a plurality of holes are provided on the first vertical abdominal belt, the first lower horizontal wing belt, the first diagonal brace belt, the second upper horizontal wing belt, the second vertical abdominal belt and the second diagonal brace belt, and the plurality of holes are staggeredly distributed.

[0013] Furthermore, the holes are distributed in a plum blossom shape.

[0014] Furthermore, the paved asphalt pavement and the later-paved asphalt pavement are both asphalt concrete pavements.

[0015] Furthermore, the first seam tape, the second seam tape and the sealing tape are all made of self-adhesive modified asphalt waterproof membrane.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The asphalt pavement joint processing structure in the utility model is configured such that a first joint strip is arranged between the paved asphalt pavement and the later paved asphalt pavement, the first joint strip is arranged into a Z-shaped structure, and a first upper horizontal wing strip at the top of the Z-shaped structure is laid on the upper surface of the paved asphalt pavement, so that the center of gravity of the top of the first joint strip is located on the paved asphalt pavement, and therefore the first joint strip is not easy to topple over during the construction process.

[0018] The asphalt pavement joint processing structure of the utility model sets a two-step structure on one end of the paved asphalt pavement close to the later paved asphalt pavement, and the later paved asphalt pavement is an inverted step structure opposite to the paved asphalt pavement, thereby increasing the contact area between the paved asphalt pavement and the later paved asphalt pavement, thereby increasing the connection strength between the paved asphalt pavement and the later paved asphalt pavement. The first joint band and the second joint band are respectively set at the ends of the two steps, further enhancing the connection strength between the paved asphalt pavement and the later paved asphalt pavement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of the asphalt pavement joint processing structure in the embodiment of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the asphalt pavement joint treatment structure in the embodiment of the utility model when the sealing tape is not installed.

[0022] Figure 3 It is a partial structural schematic diagram of the asphalt pavement joint processing structure in the embodiment of the utility model.

[0023] In the figure: 1. Asphalt paved road surface; 2. Later asphalt paved road surface; 3. First joint band; 301. First vertical belly band; 302. First upper horizontal wing band; 303. First lower horizontal wing band; 304. First diagonal bracing band; 4. Second joint band; 401. Second vertical belly band; 402. Second upper horizontal wing band; 403. Second lower horizontal wing band; 404. Second diagonal bracing band; 5. Sealing band; 6. Holes. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1 , Figure 2 and Figure 3 As shown, the asphalt pavement joint processing structure in this embodiment includes a paved asphalt pavement 1, a later paved asphalt pavement 2, a first joint strip 3 and a second joint strip 4. The paved asphalt pavement 1 has a two-step structure at one end close to the later paved asphalt pavement 2, and the later paved asphalt pavement 2 has an inverted step structure opposite to the paved asphalt pavement 1. The first joint strip 3 and the second joint strip 4 are both arranged between the paved asphalt pavement 1 and the later paved asphalt pavement 2. The first joint strip 3 is arranged at the first step end of the later paved asphalt pavement 2 from top to bottom, and the second joint strip 4 is arranged at the second step end.

[0026] Specifically, in this embodiment, the first joint belt 3 is in a Z-shaped structure, and the first joint belt 3 includes a vertically arranged first vertical belly belt 301 and a first upper horizontal wing belt 302 and a first lower horizontal wing belt 303 arranged alternately at the upper and lower ends of the first vertical belly belt 301. The first vertical belly belt 301 is arranged between the vertical end face of the first step of the paved asphalt pavement 1 and the vertical end face of the end face of the later paved asphalt pavement 2, and the height of the first vertical belly belt 301 is equal to the height of the first step, the first upper horizontal wing belt 302 is laid on the first step, that is, the upper surface of the paved asphalt pavement 1, and the end of the later paved asphalt pavement 2 close to the paved asphalt pavement 1 is pressed on the first lower horizontal wing belt 303.

[0027] Preferably, a plurality of first diagonal bracing belts 304 are arranged between the first vertical abdominal belt 301 and the first lower horizontal wing belt 303 , and the plurality of first diagonal bracing belts 304 are arranged at equal intervals, and the first diagonal bracing belts 304 are in a triangular structure.

[0028] In this embodiment, the second joint belt 4 is in a Z-shaped structure, and the second joint belt 4 includes a second vertical belly belt 401 arranged vertically, and a second upper horizontal wing belt 402 and a second lower horizontal wing belt 403 arranged alternately at the upper and lower ends of the second vertical belly belt 401, the second vertical belly belt 401 is arranged on the vertical end surface of the second step, the second upper horizontal wing belt 402 is laid on the upper surface of the second step, and the asphalt pavement 2 is pressed on the second joint belt 4. Preferably, a plurality of second diagonal bracing belts 404 are arranged between the second vertical belly belt 401 and the second lower horizontal wing belt 403, and a plurality of first diagonal bracing belts 304 are arranged at equal intervals, and the second diagonal bracing belts 404 are in a triangular structure.

[0029] In this embodiment, a plurality of holes 6 are provided on the first vertical belly band 301, the first lower horizontal wing band 303, the first diagonal brace band 304, the second upper horizontal wing band 402, the second vertical belly band 401 and the second diagonal brace band 404. The plurality of holes 6 are staggered, and preferably, the holes 6 are distributed in a plum blossom shape. The aggregate exposed through the plum blossom-shaped holes 6 is wrapped with asphalt, which is very beneficial for the combination with the later asphalt pavement 2. The asphalt mixture exposed outside the holes 6 is a protruding structure, which is beneficial for increasing the contact area between the later asphalt pavement 2 and the paved asphalt pavement 1, forming a staggered occlusal connection structure, and the connectivity and integrity are significantly improved.

[0030] In this embodiment, a sealing tape 5 is provided at one end of the upper surface of the paved asphalt pavement 1 and the later paved asphalt pavement 2 that are close to each other, and half of the sealing tape 5 is provided on the first upper horizontal wing strip 302, and the other half is provided on the upper surface of the later paved asphalt pavement 2. The sealing tape 5 is paved after the later paved asphalt pavement 2 is paved, and the sealing tape 5 can cover the joint, and impurities such as slag and dust will not be embedded, which helps to keep the joint clean, effectively avoid the influence of impurities on the joint connection quality, and is conducive to improving the joint connection quality and connection performance.

[0031] In this embodiment, the paved asphalt pavement 1 and the later paved asphalt pavement 2 are both asphalt concrete pavements. The first joint tape 3, the second joint tape 4 and the sealing tape 5 are all made of self-adhesive modified asphalt waterproofing membrane. The first joint tape 3 and the second joint tape 4 are in a molten state under the high temperature of the asphalt mixture, and after rolling the pavement, they will eventually be combined with the asphalt pavement as a whole, and the sealing tape 5 is used to adhere the two sections of the pavement surface together, and the self-adhesive modified asphalt melts at high temperature, so that the sealing tape 5 and the two sections of the pavement surface are combined together, further improving the quality of the joint.

[0032] The asphalt pavement joint processing structure in this embodiment is configured by setting a first joint strip 3 between the paved asphalt pavement 1 and the later-paved asphalt pavement 2, and configuring the first joint strip 3 into a Z-shaped structure, and the first upper horizontal wing strip 302 at the top of the Z-shaped structure is laid on the upper surface of the paved asphalt pavement 1, so that the center of gravity of the top of the first joint strip 3 is located on the paved asphalt pavement 1, and therefore the first joint strip 3 is not easy to tip over during the construction process.

[0033] The end of the paved asphalt pavement 1 close to the later paved asphalt pavement 2 is arranged in a two-stage stepped structure, and the later paved asphalt pavement 2 is an inverted stepped structure opposite to the paved asphalt pavement 1, thereby increasing the contact area between the paved asphalt pavement 1 and the later paved asphalt pavement 2, thereby increasing the connection strength between the paved asphalt pavement 1 and the later paved asphalt pavement 2. The first joint band 3 and the second joint band 4 are respectively arranged at the ends of the two stages, further enhancing the connection strength between the paved asphalt pavement 1 and the later paved asphalt pavement 2.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An asphalt pavement joint treatment structure, characterized in that: The invention comprises an asphalt paved road surface (1), an asphalt paved road surface (2) and a first joint band (3), wherein the first joint band (3) is in a Z-shaped structure, and the first joint band (3) comprises a first vertical belly band (301) arranged vertically, and a first upper horizontal wing band (302) and a first lower horizontal wing band (303) arranged alternately at the upper and lower ends of the first vertical belly band (301), wherein the first vertical belly band (301) is arranged between the end faces of the asphalt paved road surface (1) and the asphalt paved road surface (2), the first upper horizontal wing band (302) is laid on the upper surface of the asphalt paved road surface (1), and the end of the asphalt paved road surface (2) close to the asphalt paved road surface (1) is pressed on the first lower horizontal wing band (303).

2. The asphalt pavement joint treatment structure according to claim 1, characterized in that: A plurality of first oblique support belts (304) are arranged between the first vertical belly belt (301) and the first lower horizontal wing belt (303), and the first oblique support belts (304) are in a triangular structure.

3. The asphalt pavement joint treatment structure according to claim 2, characterized in that: The paved asphalt pavement (1) has a two-step structure at one end close to the later-paved asphalt pavement (2), and the later-paved asphalt pavement (2) has an inverted step structure opposite to the paved asphalt pavement (1). The first joint strip (3) is arranged at the end of the first step from top to bottom of the later-paved asphalt pavement (2), and the second joint strip (4) is arranged at the end of the second step.

4. The asphalt pavement joint treatment structure according to claim 3, characterized in that: The second joint belt (4) has a Z-shaped structure, and comprises a second vertical belly belt (401) arranged vertically, and a second upper horizontal wing belt (402) and a second lower horizontal wing belt (403) arranged alternately at the upper and lower ends of the second vertical belly belt (401), the second vertical belly belt (401) being arranged on the vertical end surface of the second step section, the second upper horizontal wing belt (402) being laid on the upper surface of the second step section, and the rear-paved asphalt pavement (2) being pressed onto the second joint belt (4).

5. The asphalt pavement joint treatment structure according to claim 4, characterized in that: A plurality of second diagonal support belts (404) are arranged between the second vertical belly belt (401) and the second lower horizontal wing belt (403), and the second diagonal support belts (404) are in a triangular structure.

6. The asphalt pavement joint treatment structure according to claim 5, characterized in that: A sealing strip (5) is provided at one end of the upper surface of the paved asphalt pavement (1) and the later paved asphalt pavement (2) which are close to each other, and half of the sealing strip (5) is provided on the first upper horizontal wing strip (302), and the other half is provided on the upper surface of the later paved asphalt pavement (2).

7. The asphalt pavement joint treatment structure according to claim 6, characterized in that: The first vertical abdominal belt (301), the first lower horizontal wing belt (303), the first diagonal support belt (304), the second upper horizontal wing belt (402), the second vertical abdominal belt (401) and the second diagonal support belt (404) are provided with a plurality of holes (6), and the plurality of holes (6) are distributed in a staggered manner.

8. The asphalt pavement joint treatment structure according to claim 7, characterized in that: The holes (6) are distributed in a plum blossom shape.

9. The asphalt pavement joint treatment structure according to claim 8, characterized in that: The asphalt-paved road surface (1) and the asphalt-paved road surface (2) are both asphalt concrete road surfaces.

10. The asphalt pavement joint treatment structure according to claim 9, characterized in that: The first joint tape (3), the second joint tape (4) and the sealing tape (5) are all made of self-adhesive modified asphalt waterproofing membrane.

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