Assembly type pavement structure for airport and airport pavement

Abstract

The utility model relates to an airport assembly type pavement structure and an airport pavement, and the airport assembly type pavement structure is a rectangular plate body and comprises a base layer, a reinforcing layer and a surface layer which are sequentially poured from bottom to top; auxiliary fibers are distributed in the reinforcing layer; when the adjacent pavement structures are assembled, the adjacent edges of the base layers of the adjacent pavement structures are attached to each other, and the adjacent edges of the surface layers of the adjacent pavement structures are attached to each other; the side walls of the reinforcing layers sink inwards to form pouring spaces, when the pavement structure is assembled, the adjacent pouring spaces of the adjacent reinforcing layers are used for forming pouring channels, the pouring channels located on the same straight line or perpendicular to each other are communicated with each other to form a pouring grid, and therefore pouring connection between all the pavement structures is achieved. The device has the beneficial effects that the structure is simple, the installation is convenient, the stress performance of the airfield pavement can be effectively improved, and the durability of the airfield pavement is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to special pavement structure technical field especially, relates to an airport assembly type pavement structure and airport pavement. BACKGROUND

[0002] The airport pavement is the key infrastructure for the take-off and landing of the aircraft, and its performance directly affects the safety and efficiency of the air transportation. Although the assembly type concrete pavement panel provides significant advantages in construction speed.

[0003] However, with the rapid development of the aviation industry, the existing assembly type concrete pavement panel still faces a series of challenges and problems, mainly including the following aspects: the bearing capacity of the airport pavement is insufficient, the load of the modern large passenger aircraft and cargo aircraft is increasing, which puts higher requirements on the bearing capacity of the pavement, and the existing pavement panel may not be able to withstand the long-term heavy load, resulting in premature fatigue damage. The durability of the airport pavement is a problem, due to the impact load and cyclic stress during the take-off and landing of the aircraft, the pavement panel is prone to cracks, peeling, potholes and other diseases. Especially at the corners, cracks are more common, which may cause safety hazards. SUMMARY

[0004] (I) Technical problem to be solved

[0005] In view of the above shortcomings and deficiencies of the prior art, the utility model provides an airport assembly type pavement structure and airport pavement, which solves the technical problem that the existing assembly type concrete pavement panel still has room for improvement in bearing capacity and durability.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0008] Firstly, the utility model embodiment provides an airport assembly type pavement structure, the pavement structure is a rectangular plate body, including a base layer, a reinforcing layer and a surface layer poured in sequence from bottom to top;

[0009] The reinforcing layer is distributed with auxiliary fibers;

[0010] When assembling adjacent pavement structures, the adjacent edges of the base layers of adjacent pavement structures are attached to each other, and the adjacent edges of the surface layers of adjacent pavement structures are attached to each other;

[0011] The side wall of the reinforcing layer is recessed to form a pouring space, and when the pavement structure is assembled, the adjacent pouring spaces of adjacent reinforcing layers are used to form pouring channels, and the pouring channels located on the same straight line or perpendicular to each other are connected to each other to form a pouring grid, so as to realize the pouring connection between all the pavement structures.

[0012] Optionally, the airport assembly pavement structure, in one of the pavement structures, the base layer and the surface layer are aligned; two adjacent sides of the reinforcing layer protrude from the base layer and the surface layer to form a protrusion; the other two adjacent sides of the reinforcing layer are recessed in the base layer and the surface layer to form a recessed area.

[0013] The protrusion of the pavement structure is used to plug into the recessed area of the adjacent pavement structure.

[0014] Optionally, the airport assembly pavement structure, when the protrusion is plugged into the recessed area of the adjacent pavement structure, the pouring channel is completely located in one of the pavement structures.

[0015] Optionally, the airport assembly pavement structure,

[0016] The thickness of the base layer is 12-13cm, the thickness of the reinforcing layer is 10-12cm, and the thickness of the surface layer is 2-3cm.

[0017] Optionally, the airport assembly pavement structure,

[0018] The auxiliary fiber is basalt fiber, the diameter of the basalt fiber is 0.7-1.0mm, and the length is 9-20mm.

[0019] Optionally, the airport assembly pavement structure,

[0020] The joint surface of the base layer and the reinforcing layer is one-to-one matched by a plurality of parallel grooves and a plurality of spaced protrusions;

[0021] The grooves and the protrusions extend along the length direction of the base layer.

[0022] Optionally, the airport assembly pavement structure,

[0023] The base layer, the reinforcing layer and the surface layer are all concrete;

[0024] The upper surface of the surface layer is a rough surface, and the friction coefficient of the rough surface is greater than 0.4.

[0025] In the second aspect, the embodiments of the utility model provide an airport pavement which is spliced by the airport assembly pavement structure of the first aspect.

[0026] (Three) beneficial effects

[0027] The utility model discloses an airport assembly type pavement structure and airport pavement, wherein the pavement structure from bottom to top is base layer, reinforcing layer and surface layer, the reinforcing layer in the middle is evenly distributed with auxiliary fiber, which significantly enhances the tensile, compression and impact resistance of the pavement structure. The side wall of the reinforcing layer is recessed to form pouring space, when the pavement is assembled, the adjacent pouring spaces of adjacent reinforcing layers form pouring channel to realize pouring connection between adjacent pavement structures. The reinforcing layer as the main stress bearing layer can form integral stress layer after the pavement structure is assembled through pouring connection, which improves the overall bearing capacity of the airport pavement. The surface layer is arranged on the reinforcing layer to prevent basalt fiber from being exposed during use and form airport safety hazard. Compared with the prior art, the utility model has simple structure, convenient installation, can effectively improve the stress performance of the airport pavement and improve the durability of the airport pavement. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 FIG. 2 is a perspective view of the airport pavement of embodiment 2 of the airport assembly type pavement structure and airport pavement of the utility model;

[0029] Figure 2 FIG. 1 is a perspective view of the airport assembly type pavement structure of embodiment 1 of the airport assembly type pavement structure and airport pavement of the utility model;

[0030] Figure 3 FIG. 4 is an exploded view of the airport assembly type pavement structure; Figure 2

[0031] FIG. 5 is a partial view of the side view of the airport assembly type pavement structure; Figure 4 Figure 1 FIG. 6 is a partial view of the other side view of the airport assembly type pavement structure;

[0032] Figure 5 Figure 1 FIG. 8 is a partial view of the other side view of the airport assembly type pavement structure of embodiment 3;

[0033] Figure 6 FIG. 9 is a partial view of the other side view of the airport assembly type pavement structure of embodiment 3.

[0034] Figure 7 FIG. 9 is a partial view of the other side view of the airport assembly type pavement structure of embodiment 3.

[0035] LEGEND

[0036] 1: pavement structure; 11: base layer; 12: reinforcing layer; 13: surface layer; 14: recessed area; 15: groove; 16: protrusion; 17: pouring space; 18: boss; 2: airport pavement; 3: pouring channel. DETAILED DESCRIPTION​​

[0037] The airport assembly type pavement structure and the airport pavement provided by the embodiment of the utility model have the advantages that the structure is simple, installation is convenient, the stress performance of the airport pavement can be effectively improved, and the durability of the airport pavement is improved.

[0038] In order to better understand the above technical solutions, the exemplary embodiments of the utility model will be described in more detail below with reference to the drawings. Although the exemplary embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a clearer and more thorough understanding of the utility model and to enable the scope of the utility model to be completely conveyed to those skilled in the art.

[0039] Embodiment 1:

[0040] With reference to Figure 1 and Figure 2 , the embodiment provides an airport assembly type pavement structure, the pavement structure 1 is a rectangular plate body, and the pavement structure 1 comprises a base layer 11, a reinforcing layer 12 and a surface layer 13 which are successively poured from bottom to top. The pavement structure 1 is a poured prefabricated part, wherein the base layer 11, the reinforcing layer 12 and the surface layer 13 are successively formed by pouring concrete, and the layers are connected to each other by pouring. The reinforcing layer 12 is distributed with auxiliary fibers, and the auxiliary fibers can be selected from one or more of basalt fibers, carbon fibers and polypropylene fibers. Preferably, the auxiliary fibers are basalt fibers, and the diameter of the basalt fibers is 0.7-1.0mm and the length is 9-20mm, which facilitates the mixing of basalt and concrete and fully plays the role of basalt fibers in enhancing the tensile, compressive and impact resistance of the pavement structure 1. The base layer 11 plays a basic supporting role, and the surface layer 13 can prevent the basalt fibers from being exposed outside during use, thereby forming a safety hazard of the airport.

[0041] When the adjacent pavement structures 1 are assembled, the adjacent edges of the base layers 11 of the adjacent pavement structures 1 are attached to each other, and the adjacent edges of the surface layers 13 of the adjacent pavement structures 1 are attached to each other. The side walls of the reinforcing layers 12 are recessed to form pouring spaces 17, and the adjacent pouring spaces 17 of the adjacent reinforcing layers 12 are used to form pouring channels 3 in the form of circles or polygons when the pavement structures 1 are assembled. The pouring channels 3 that are located on the same straight line or perpendicular to each other are connected to each other to form a pouring grid, so as to realize pouring connection between the adjacent pavement structures 1. The reinforcing layers 12 serve as main force bearing layers, and can form an integral force bearing layer after the pavement structures 1 are assembled, so as to improve the bearing capacity of the entire airport pavement 2.

[0042] With reference to Figure 1 and Figure 2 , the embodiment provides an airport assembled pavement structure. In one pavement structure 1, the base layer 11 and the surface layer 13 are vertically aligned. Two adjacent side surfaces of the reinforcing layer 12 protrude from the base layer 11 and the surface layer 13 to form a protruding portion 18, and the other two adjacent side surfaces of the reinforcing layer 12 are recessed in the base layer 11 and the surface layer 13 to form a recessed portion 14. The protruding portion 18 of the reinforcing layer 12 is used to be inserted into the recessed portion 14 of the adjacent pavement structure 1, so as to facilitate the splicing and positioning between the pavement structures 1. Furthermore, when the protruding portion 18 is inserted into the recessed portion 14 of the adjacent pavement structure 1, the pouring channel 3 is completely located in one of the pavement structures 1, that is, the pouring channel 3 is completely embedded in the pavement structure 1. The protruding portion 18 of the reinforcing layer 12 is used to be inserted into the recessed portion 14 of the adjacent pavement structure 1, so as to further improve the vertical bearing capacity of the connection between the pavement structures 1.

[0043] With reference to Figure 1 and Figure 2 , the embodiment provides an airport assembled pavement structure. The thickness of the base layer 11 is 12-13 cm, the thickness of the reinforcing layer 12 is 10-12 cm, and the thickness of the surface layer 13 is 2-3 cm.

[0044] With reference to Figure 1 and Figure 2 , the embodiment provides an airport assembled pavement structure 1. The joint surface of the base layer 11 and the reinforcing layer 12 is one-to-one matched with a plurality of parallel grooves 15 and a plurality of spaced protrusions 16. Specifically, the base layer 11 is poured first, and before the material of the base layer 11 is initially solidified, a scraper is used to form the grooves 15 with a width of not less than 10 cm and a depth of 3-5 cm on the upper surface of the lower pavement panel at intervals, and then the reinforcing layer 12 is poured. In this way, the base layer 11 and the reinforcing layer 12 cross and contact each other, so as to improve the connection strength between the base layer 11 and the reinforcing layer 12. The grooves 15 and the protrusions 16 extend along the length direction of the base layer 11, so as to improve the bearing stiffness of the pavement structure 1 in the length direction (span direction).

[0045] In addition, the base layer 11, the reinforcing layer 12 and the surface layer 13 are all formed by pouring concrete, and the upper surface of the surface layer 13 is a rough surface with a friction coefficient greater than 0.4 to prevent the aircraft from slipping during take-off and landing.

[0046] Embodiment 2

[0047] With reference to Figure 1 and Figure 2 , the embodiment provides an airport assembled pavement structure, and the pouring channel 3 is located at the edge of the adjacent pavement structure 1, that is, there is 1 / 2 of the pouring channel 3 at the edge of each adjacent pavement structure 1. Although the connection between the reinforcing layers 12 can be realized in the embodiment, the gap between the adjacent pavement structures 1 is a weak area after being stressed when the pavement is subjected to the sliding impact force of the aircraft, so that the grouting structure in the pouring channel 3 is affected, and then the connection between the reinforcing layers 12 is affected. In the embodiment 1, the gap between the pouring channel 3 and the adjacent pavement structure 1 is staggered, and the pouring structure in the pouring channel 3 is completely located in one of the pavement structures 1, so that the influence of the gap on the pouring channel 3 is reduced, and the integrity of the assembled pavement is better.

[0048] Embodiment 3

[0049] With reference to Figure 3 , with reference to Figure 1 and Figure 2 , the embodiment provides an airport pavement, and the airport assembled pavement structure 1 is spliced. The base layer 11, the reinforcing layer 12 and the surface layer 13

[0050] In addition, the manufacturing process of the assembled pavement structure 1 is introduced as follows: (1) Prepare the slurry (such as concrete, cement, etc.) according to the total volume of the assembled pavement, select basalt fibers with a diameter of 0.7-1.0 mm and uniform texture, and cut the basalt fibers into segments with a length of 9-20 mm; (2) Take half of the volume of the slurry and lay it on the lower layer of the pavement structure 1 mold, with a thickness of 1 / 2 of the pavement panel thickness, and make the aggregate and cement slurry tightly combined through vibration and compaction to form the base layer 11; (3) Before the initial setting of the slurry of the base layer 11, use a spatula to make grooves 15 on the upper surface of the lower pavement panel, with a width of not less than 10 cm, a depth of 3-5 cm, and an interval; (4) Before the initial setting of the slurry of the base layer 11, take the corresponding volume of the slurry of the reinforcing layer and evenly lay it on the base layer 11, and then evenly sprinkle the cut basalt fiber segments on the surface of the slurry; (5) Vibrate using a vibrating rod, which should be inserted to a depth of 1 / 2 to 2 / 3 of the mold, so that the basalt fibers are evenly mixed with the slurry to complete the reinforcing layer 12; (6) Before the initial setting of the slurry of the reinforcing layer 12, evenly lay the remaining slurry on the surface of the pavement panel mold, and vibrate using a vibrating rod to form the surface layer 13; (7) The surface of the surface layer 13 is roughened using a special automatic roughening machine to increase the roughness of the pavement panel; and (8) After curing, the assembled pavement structure 1 for airport is obtained.

[0051] The construction method of the airport pavement 2 spliced by the assembled pavement structure 1 is as follows: according to the construction requirements, the prefabricated pavement structure 1 is laid flat and spliced to form the airport pavement 2 containing multiple rows and columns of pavement structures 1. Then, along the pouring channel 3, the slurry is poured at the edge of the airport pavement 2, and after the slurry is cured and formed, the construction of the airport pavement 2 is completed. When the construction area is large, the local pouring channel 3 pouring method can be used to gradually complete the pouring of the entire area.

[0052] When pouring the pouring channel 3, the slurry can penetrate the gaps between adjacent base layers 11 and adjacent surface layers 13, realizing the overall pouring connection between adjacent pavement structures 1.

[0053] In the description of the present application, it should be understood that the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0054] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can pass through intermediate medium indirectly connect;Can be two element inside communication or two element mutual action relation.For ordinary skilled person in the art, can understand the specific meaning of above-mentioned terms in the utility model according to specific circumstances.

[0055] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature, which can be directly above or obliquely above the first feature, or simply means that the first feature is higher than the second feature in horizontal height. The first feature "below", "under" and "under" the second feature, which can be directly below or obliquely below the first feature, or simply means that the first feature is lower than the second feature in horizontal height.

[0056] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0057] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model. The ordinary skilled person in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the utility model.

Claims

1. A prefabricated pavement structure for airports, characterized in that, The pavement structure (1) is a rectangular plate body, comprising a base layer (11), a reinforcing layer (12) and a surface layer (13) poured in sequence from bottom to top; The reinforcing layer (12) is distributed with auxiliary fibers; When assembling adjacent pavement structures, the adjacent edges of the base layer (11) of adjacent pavement structures are attached to each other, and the adjacent edges of the surface layer (13) of adjacent pavement structures are attached to each other; The side walls of the reinforcing layer (12) are recessed to form pouring spaces (17), and when the pavement structures are assembled, adjacent pouring spaces (17) of adjacent reinforcing layers (12) are used to form pouring channels (3), which are located on the same straight line or perpendicular to each other, and are connected to each other to form a pouring grid, so as to realize the pouring connection between all the pavement structures (1).

2. The airport assembled pavement structure according to claim 1, wherein In one of the pavement structures (1), the base layer (11) and the surface layer (13) are aligned; two adjacent sides of the reinforcing layer (12) protrude from the base layer (11) and the surface layer (13) to form a boss (18); the other two adjacent sides of the reinforcing layer (12) are recessed in the base layer (11) and the surface layer (13) to form a recessed area (14); The boss (18) of the pavement structure (1) is used to plug into the recessed area (14) of the adjacent pavement structure (1).

3. The airport assembled pavement structure according to claim 2, wherein When the boss (18) is plugged into the recessed area (14) of the adjacent pavement structure (1), the pouring channel (3) is completely located in one of the pavement structures (1).

4. The airport assembled pavement structure according to claim 1, wherein The thickness of the base layer (11) is 12-13 cm, the thickness of the reinforcing layer (12) is 10-12 cm, and the thickness of the surface layer (13) is 2-3 cm.

5. The airport assembled pavement structure according to claim 1, wherein The auxiliary fibers are basalt fibers with a diameter of 0.7-1.0 mm and a length of 9-20 mm.

6. The airport assembled pavement structure according to claim 1, wherein The bonding surface of the base layer (11) and the reinforcing layer (12) is a plurality of parallel grooves (15) and a plurality of spaced protrusions (16) matched one by one; The grooves (15) and the protrusions (16) extend along the length direction of the base layer (11).

7. The airport assembled pavement structure according to claim 1, wherein The base layer (11), the reinforcing layer (12) and the surface layer (13) are all mainly made of concrete; The upper surface of the surface layer (13) is a rough surface with a friction coefficient greater than 0.

4.

8. An airport pavement, characterized in that The airport assembled pavement structure (1) is assembled by any one of claims 1-7.

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