CN214656089U - Be applied to assembled road surface structure in sinking area of underground coal mine - Google Patents
Be applied to assembled road surface structure in sinking area of underground coal mine Download PDFInfo
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- CN214656089U CN214656089U CN202120289577.4U CN202120289577U CN214656089U CN 214656089 U CN214656089 U CN 214656089U CN 202120289577 U CN202120289577 U CN 202120289577U CN 214656089 U CN214656089 U CN 214656089U
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Abstract
The utility model discloses an assembled pavement structure applied to a sinking area of a mine coal mine, which is used as pavement, and is arranged on a roadbed and comprises a geocell sand cushion layer and a prefabricated concrete block splicing layer; the prefabricated concrete block splicing layer is formed by splicing the prefabricated blocks in a positive and negative alternative mode to form a road surface, and the joints are filled with three-in-one mortar and steel wire ropes to connect the adjacent prefabricated blocks. The utility model discloses an assembled road surface structure adopts the prefabricated section to lay, and four sides of prefabricated section are opened there are continuous tongue-and-groove, and each prefabricated section is positive and negative the completion of laying in turn when laying to fill the three-in-one mortar in the clearance department of laying, wear the wire rope again and form whole with adjacent prefabricated section. When the paved road surface can not meet the traffic requirement due to large ground settlement, constructors can dismantle the prefabricated blocks, and the prefabricated blocks are reassembled after the road bed is arranged, so that the repeated utilization is realized.
Description
Technical Field
The utility model relates to a road surface structure, specific saying so relates to a be applied to assembled road surface structure in sinking area of underground coal mine.
Background
In a coal mine area excavated by a well method, a coal mining subsidence area widely exists, the ground surface can be subsided and damaged when meeting low-grade roads such as villages and the like, and the subsidence stability generally needs to last for 2-3 years, so that the pavement maintenance frequency of the subsidence area is extremely high. The traditional pavement structure is paved by adopting cement concrete or asphalt concrete, and is required to be dismantled and rebuilt for many times along with the settling period, thereby causing waste.
Therefore, through research and development, a reusable fabricated pavement is developed to solve the technical problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the to-be-solved technical problem of the utility model lies in providing a be applied to assembled road surface structure in underground coal mine subsidence area, and the purpose of designing this assembled road surface structure is that road surface structure can reuse and be convenient for quick construction.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a be applied to assembled road surface structure in sinking area of underground coal mine, this assembled road surface structure sets up on the roadbed, assembled road surface structure sets up on the roadbed that the flattening is good, include:
the sand cushion layer is paved on the roadbed;
the prefabricated concrete block layer is laid on the sand cushion layer;
the prefabricated section assembly layer is formed by splicing the prefabricated sections in a positive and negative alternative mode to form a road surface, filling three-in-one mortar at joints, stretching steel wire ropes from reserved holes, and connecting adjacent prefabricated sections.
Furthermore, the sand cushion layer is a geocell sand cushion layer.
Furthermore, the geocell sand cushion layer is paved into a reinforced earth deformation-resistant structure.
Furthermore, the prefabricated block is of a prefabricated assembly type structure with continuous tongue-and-groove.
Furthermore, adjacent precast blocks are flexibly fixed through a preformed hole through a steel wire rope.
Furthermore, the precast block is provided with a vertical sand filling hole.
Furthermore, the precast block is precast by concrete doped with basalt fiber.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an assembled road surface structure adopts the prefabricated section to lay, and the prefabricated section is provided with tongue-and-groove and steel wire rope connection pore, and each prefabricated section is positive and negative the completion of laying in turn when laying to fill three-in-one mortar and wear the steel wire rope at the clearance department of laying and connect into whole. When the paved road surface can not meet the traffic requirement due to large ground settlement, constructors can dismantle the prefabricated blocks, and the prefabricated blocks are reassembled after the road bed is arranged, so that the repeated utilization is realized.
Drawings
Fig. 1 is the utility model discloses the structural schematic diagram of mating formation on sand cushion layer, prefabricated concrete block layer.
Fig. 2 is the utility model discloses the position schematic diagram of mating formation on layer is assembled to the precast block.
Fig. 3 is a schematic diagram of the structure of the prefabricated block of the present invention.
Fig. 4 is the utility model discloses the layer is assembled to the precast block structure schematic diagram of mating formation.
Fig. 5 is a schematic view of the sand filling hole provided on the precast block of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-5, the utility model discloses an assembled pavement structure for sinking area in underground coal mine, this assembled pavement structure sets up on the roadbed, assembled pavement structure sets up on the roadbed that the flattening is good, include:
the sand cushion layer 1 is paved on the roadbed;
the prefabricated concrete block layer 2 is laid on the sand cushion layer 1;
the precast block assembly layer is formed by splicing the precast blocks 5 in a positive and negative alternative mode to form a road surface, filling three-in-one mortar 53 at joints, stretching steel wire ropes from reserved holes, and connecting the adjacent precast blocks 5.
A preferred technical solution of this embodiment: the sand cushion layer 1 is a sand cushion layer of a geocell.
A preferred technical solution of this embodiment: and the geocell sand cushion layer is paved into a reinforced soil anti-deformation structure.
A preferred technical solution of this embodiment: the prefabricated block 5 is a prefabricated structure with continuous tongue-and-groove 51.
A preferred technical solution of this embodiment: and adjacent prefabricated blocks 5 are flexibly fixed through a preformed hole through a steel wire rope 6.
A preferred technical solution of this embodiment: the precast block 5 is provided with a vertical sand filling hole 52.
A preferred technical solution of this embodiment: the precast block 5 is precast by concrete doped with basalt fiber.
Example 2:
the top surface and the bottom surface of the precast block 5 are both square, the area of the square of the top surface is larger than that of the square of the bottom surface, the square of the top surface is 30 multiplied by 30cm, and the square of the bottom surface is 22 multiplied by 22 cm. The thickness of the precast block 5 is 30cm, the groove 51 is provided with two layers, the height of each layer of groove 51 is 10cm, and the width is 4 cm.
Example 3:
the utility model discloses an assembled road surface structure's the construction steps of mating formation as follows:
firstly, leveling an existing road or a newly-built road in a sinking area of an underground coal mine to form a road bed;
laying geocells on the road bed, filling sand stones, and rolling and compacting to form a reinforced sand cushion layer 1;
thirdly, paving the precast concrete blocks on the sand cushion layer 1 to form the precast concrete block layer 2, wherein the precast assembled layer is formed by splicing the precast blocks 5 in a positive and negative alternative mode, and filling three-in-one mortar 53 and a steel wire rope 6 into joints to connect the adjacent precast blocks 5 into a whole;
pouring coarse medium sand into the sand pouring holes 52;
and fifthly, installing the curb stones at the two sides, and finishing the hilling of the road shoulder.
To sum up, the utility model discloses an assembled road surface structure adopts the prefabricated section to lay, and four sides of prefabricated section are equipped with the tongue-and-groove, and each prefabricated section is positive and negative alternative when laying and lays the completion to fill the three-in-one mortar and wear the wire rope in the clearance department of laying. When the paved road surface can not meet the traffic requirement due to large ground settlement, constructors can dismantle the prefabricated blocks, and the prefabricated blocks are reassembled after the road bed is arranged, so that the repeated utilization is realized.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (6)
1. The utility model provides a be applied to assembled road surface structure in sinking area of underground coal mine, this assembled road surface structure sets up on the roadbed, a serial communication port, assembled road surface structure sets up on the good roadbed of flattening, includes:
the sand cushion layer (1) is paved on the roadbed;
the prefabricated concrete block layer (2) is laid on the sand cushion layer (1);
the prefabricated section assembly layer is formed by splicing the prefabricated sections (5) in a positive and negative alternate mode to form a pavement, filling three-in-one mortar (53) at joints, stretching steel wire ropes from reserved holes and connecting the adjacent prefabricated sections (5).
2. The fabricated pavement structure applied to a sinking zone of a mineworker coal mine as claimed in claim 1, wherein the sand cushion layer (1) is a geocell sand cushion layer.
3. The fabricated pavement structure applied to a sinking zone of an underground coal mine as claimed in claim 2, wherein the geocell sand cushion is laid into a reinforced earth deformation-resistant structure.
4. The fabricated pavement structure applied to a sinking zone of a mineworker coal mine as claimed in claim 1, wherein the precast block (5) is a prefabricated fabricated structure having continuous tongues and grooves (51).
5. The fabricated pavement structure applied to a sinking zone of a mineworker coal mine as claimed in claim 1, wherein adjacent precast blocks (5) are flexibly fixed through a preformed hole and a steel wire rope (6).
6. The fabricated pavement structure applied to a sinking zone of a mineworker coal mine as claimed in claim 1, wherein the precast block (5) is provided with vertical sand grouting holes (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120289577.4U CN214656089U (en) | 2021-02-02 | 2021-02-02 | Be applied to assembled road surface structure in sinking area of underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120289577.4U CN214656089U (en) | 2021-02-02 | 2021-02-02 | Be applied to assembled road surface structure in sinking area of underground coal mine |
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| Publication Number | Publication Date |
|---|---|
| CN214656089U true CN214656089U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120289577.4U Active CN214656089U (en) | 2021-02-02 | 2021-02-02 | Be applied to assembled road surface structure in sinking area of underground coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960336A (en) * | 2022-05-13 | 2022-08-30 | 长沙环境保护职业技术学院 | Assembly type pavement base rapid repairing structure and construction method |
-
2021
- 2021-02-02 CN CN202120289577.4U patent/CN214656089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960336A (en) * | 2022-05-13 | 2022-08-30 | 长沙环境保护职业技术学院 | Assembly type pavement base rapid repairing structure and construction method |
| CN114960336B (en) * | 2022-05-13 | 2023-12-22 | 长沙环境保护职业技术学院 | Assembled pavement base layer rapid repair structure and construction method |
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