CN217438600U - Anti-reflection crack modified asphalt pavement structure - Google Patents
Anti-reflection crack modified asphalt pavement structure Download PDFInfo
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- CN217438600U CN217438600U CN202123143037.4U CN202123143037U CN217438600U CN 217438600 U CN217438600 U CN 217438600U CN 202123143037 U CN202123143037 U CN 202123143037U CN 217438600 U CN217438600 U CN 217438600U
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Abstract
The utility model discloses an anti-reflection crack modified asphalt pavement structure, which comprises a roadbed, wherein a gravel cushion layer is paved on the roadbed, a waterproof coiled material layer is paved on the gravel cushion layer, and an anti-pressure layer for improving the strength of a pavement is paved on the waterproof coiled material layer; a basalt reinforced modified coarse-grained asphalt concrete layer is paved on the compression resistant layer, and a basalt reinforced modified fine-grained asphalt concrete layer is paved on the basalt reinforced modified coarse-grained asphalt concrete layer; the utility model discloses a set up the rubble bed course between rubble bed course and resistance to compression layer, can avoid the rainwater infiltration on the road surface to lead to the condition that the light intensity of ground weakens, simultaneously through the resistance to compression layer that the concatenation of the floor bulkhead, locking bolt and concatenation hole that set up formed, can improve the wholeness and the compressive strength and the bearing capacity on road surface, the effectual life who improves bituminous paving, delay that can be better alleviates heavy-duty vehicle and rolls repeatedly and cause the crack.
Description
Technical Field
The utility model relates to a road surface construction technical field specifically is an anti-reflection crack modified asphalt pavement structure.
Background
Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction. The asphalt structure layer of asphalt pavement belongs to the category of flexible pavement, but the base layer of the asphalt pavement can also adopt rigid cement concrete or semi-rigid hydraulic material besides flexible material.
In traditional bituminous paving + semi-rigid base layer's structure, because the foundation goes out the infiltration and makes foundation strength weaken easily, when the vehicle was gone through, the pit and then lead to the fracture phenomenon appear easily in the position that intensity weakens, bituminous paving when bearing heavy-duty vehicle repeatedly roll simultaneously, can lead to the fracture condition because of the intensity is not enough, to above-mentioned problem, we provide an anti-reflection crack modified bituminous pavement structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-reflection crack modified asphalt pavement structure to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the anti-reflection crack modified asphalt pavement structure comprises a roadbed, wherein a broken stone cushion layer is paved on the roadbed, a waterproof coil material layer is paved on the broken stone cushion layer, and an anti-pressure layer for improving the strength of a pavement is paved on the waterproof coil material layer;
the compression-resistant layer is paved with a basalt reinforced modified coarse-grained asphalt concrete layer, and the basalt reinforced modified fine-grained asphalt concrete layer is paved on the basalt reinforced modified coarse-grained asphalt concrete layer.
As a further aspect of the present invention: the pressure-resistant layer comprises a plurality of floor dividing frames, splicing holes are formed in the middle of two end faces of the floor dividing frames and the positions of two side faces in the middle of the blank, locking bolts are adopted between every two adjacent floor dividing frames to penetrate through the splicing holes for fixing, and gravel fillers are paved in the blank of each floor dividing frame.
As a further aspect of the present invention: the floor-laying bulkhead is a reinforced concrete prefabricated part.
As a further aspect of the present invention: the thickness of the waterproof coiled material layer is 1.5 cm.
As the utility model discloses further scheme again: the thickness of the basalt reinforced modified coarse-grained asphalt concrete layer is 5-8 cm.
As a further aspect of the present invention: the thickness of the basalt reinforced modified fine particle type asphalt concrete layer is 5-7 cm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up the rubble bed course between rubble bed course and resistance to compression layer, can avoid the rainwater infiltration on the road surface to lead to the condition that the light intensity of ground weakens, simultaneously through the resistance to compression layer that the concatenation of the floor bulkhead, locking bolt and concatenation hole that set up formed, can improve the wholeness and the compressive strength and the bearing capacity on road surface, the effectual life who improves bituminous paving, delay that can be better alleviates heavy-duty vehicle and rolls repeatedly and cause the crack.
Drawings
FIG. 1 is a schematic structural diagram of an anti-reflection crack modified asphalt pavement structure.
Fig. 2 is a schematic structural diagram of an anti-pressure layer in an anti-reflection crack modified asphalt pavement structure.
FIG. 3 is a schematic structural diagram of a paving bulkhead in an anti-reflection crack modified asphalt pavement structure.
Wherein: 1. a roadbed; 2. a gravel cushion layer; 3. a waterproof roll layer; 4. a pressure resistant layer; 41. paving a floor bulkhead; 42. filling crushed stone; 43. splicing holes; 44. a locking bolt; 5. a basalt reinforced modified coarse grain asphalt concrete layer; 6. the basalt reinforced modified fine particle type asphalt concrete 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, an anti-reflection crack modified asphalt pavement structure includes a roadbed 1, a gravel cushion layer 2 is laid on the roadbed 1, a waterproof roll layer 3 is laid on the gravel cushion layer 2, and a compression resistant layer 4 for improving the strength of a pavement is laid on the waterproof roll layer 3; the thickness of the waterproof roll material layer 3 is 1.5 cm; through having set up rubble bed course 2 between rubble bed course 2 and resistance to compression layer 4, can avoid the rainwater infiltration on the road surface to lead to the condition that the light intensity of ground weakens.
The pressure-resistant layer 4 comprises a plurality of paving partitions 41, splicing holes 43 are formed in the middle of two end faces of each paving partition 41 and in the middle of the blank at two side faces, two adjacent paving partitions 41 are fixed by adopting locking bolts 44 to penetrate through the splicing holes 43, and gravel fillers 42 are laid in the blanks of the paving partitions 41; the floor-laying bulkhead 41 is a reinforced concrete prefabricated part; the compression-resistant layer 4 formed by splicing the floor-laying bulkhead 41, the locking bolt 44 and the splicing hole 43 can improve the integrity, the compression strength and the bearing capacity of the pavement, effectively prolong the service life of the asphalt pavement, and well delay and reduce cracks caused by repeated rolling of heavy-duty vehicles.
A basalt reinforced modified coarse grain type asphalt concrete layer 5 is paved on the pressure resistant layer 4, and a basalt reinforced modified fine grain type asphalt concrete layer 6 is paved on the basalt reinforced modified coarse grain type asphalt concrete layer 5; the thickness of the basalt reinforced modified coarse-grained asphalt concrete layer 5 is 5-8 cm; the thickness of the basalt reinforced modified fine particle type asphalt concrete layer 6 is 5-7 cm; the basalt reinforced modified coarse-grain asphalt concrete layer 5 and the basalt reinforced modified fine-grain asphalt concrete layer 6 laid on the pavement can improve the heat resistance of an asphalt surface layer, improve the crack resistance and shear resistance of the pavement and reduce pavement cracks.
The utility model discloses a theory of operation is: when paving, a constructor firstly treats soil and tamps the soil to obtain a hard road surface, a roadbed 1 is paved on the hard road surface, after the roadbed 1 is paved, the roadbed is compacted, then a gravel cushion layer 2 is paved and compacted, after the compaction is finished, a waterproof coiled material layer 3 is paved on the compacted gravel cushion layer 2, then a ground-paving partition frame 41 is paved on the paved waterproof coiled material layer 3 and spliced by adopting a splicing hole 43, then a gravel filler 42 is paved in a blank space of the ground-paving partition frame 41 and tamped, then a basalt reinforced modified coarse-grain type asphalt concrete layer 5 is paved on a compression-resisting layer 4 and compacted, finally a basalt reinforced modified fine-grain type asphalt concrete layer 6 is paved on the compacted basalt reinforced modified coarse-grain type asphalt concrete layer 5, and then the compaction is carried out, thereby completing the road surface construction.
Wherein the basalt reinforced modified coarse-grained asphalt concrete and the basalt reinforced modified fine-grained asphalt concrete layer are modified asphalt concrete purchased from Hengwu-Hengjian engineering Limited in Guizhou.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Although the present specification describes embodiments, not every embodiment includes only one technical solution, and such descriptions in the specification are provided for clarity, and those skilled in the art should make the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an anti-reflection crack modified bituminous pavement structure, includes road bed (1), its characterized in that: a broken stone cushion layer (2) is paved on the roadbed (1), a waterproof coil material layer (3) is paved on the broken stone cushion layer (2), and a pressure-resistant layer (4) for improving the strength of a road surface is paved on the waterproof coil material layer (3);
the basalt reinforced modified coarse-grained asphalt concrete layer (5) is paved on the pressure resistant layer (4), and the basalt reinforced modified fine-grained asphalt concrete layer (6) is paved on the basalt reinforced modified coarse-grained asphalt concrete layer (5).
2. The anti-reflection crack modified asphalt pavement structure as claimed in claim 1, wherein the anti-pressure layer (4) comprises a plurality of paving frames (41), splicing holes (43) are formed in the middle of two end faces and the middle of the blank of each paving frame (41), two adjacent paving frames (41) are fixed through the splicing holes (43) by locking bolts (44), and gravel fillers (42) are laid in the blank of each paving frame (41).
3. The asphalt pavement structure with modified reflection cracks as claimed in claim 2, wherein the floor frames (41) are prefabricated reinforced concrete members.
4. The asphalt pavement structure modified with anti-reflective cracks according to claim 1, wherein the thickness of the waterproof roll layer (3) is 1.5 cm.
5. The reflection crack resistant modified asphalt pavement structure as claimed in claim 1, wherein the thickness of the basalt reinforced modified coarse-grained asphalt concrete layer (5) is 5-8 cm.
6. The reflection crack resistant modified asphalt pavement structure as claimed in claim 1, characterized in that the thickness of the basalt reinforced modified fine-grained asphalt concrete layer (6) is 5-7 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143037.4U CN217438600U (en) | 2021-12-15 | 2021-12-15 | Anti-reflection crack modified asphalt pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143037.4U CN217438600U (en) | 2021-12-15 | 2021-12-15 | Anti-reflection crack modified asphalt pavement structure |
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| Publication Number | Publication Date |
|---|---|
| CN217438600U true CN217438600U (en) | 2022-09-16 |
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| CN202123143037.4U Active CN217438600U (en) | 2021-12-15 | 2021-12-15 | Anti-reflection crack modified asphalt pavement structure |
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| CN (1) | CN217438600U (en) |
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2021
- 2021-12-15 CN CN202123143037.4U patent/CN217438600U/en active Active
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