CN217536555U

CN217536555U - Concrete assembled airport pavement panel

Info

Publication number: CN217536555U
Application number: CN202221684718.3U
Authority: CN
Inventors: 胡栋梁; 杨丰华
Original assignee: Southeast University; Shaanxi Railway Institute
Current assignee: Southeast University; Shaanxi Railway Institute
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-04
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a concrete assembled airport pavement panel, including prefabricated plate body and built-in fitting, the right-hand member face middle part of prefabricated plate body is provided with the flange, the left end face middle part of prefabricated plate body is provided with the recess corresponding with the flange, just the right-hand member face of prefabricated plate body is located the both sides of flange and the both sides that the left end face is located the recess are provided with the buckle structure of two prefabricated plate displacement of restriction, the utility model discloses can realize the course of working and the work of construction phase separation of pavement panel, the prefabricated quality that can improve the pavement panel greatly of mill, the construction speed that can improve airport pavement greatly of scene concatenation, through the cooperation between flange and recess, buckle structure, built-in fitting and the constant head tank, improved airport pavement's wholeness greatly, improved seam biography lotus ability, reduce the stress at the bottom of the board, restrict relative displacement between the board, improved the quality greatly.

Description

Concrete assembled airport pavement panel

Technical Field

The utility model relates to an airport runway technical field specifically is a concrete assembled airport pavement panel.

Background

The airport runway is an area for taking off or landing of an aircraft in an airport, a pavement in contact with tires of landing gears of the aircraft is the core of an airport infrastructure, and a pavement surface layer generally adopts asphalt concrete or cement concrete. As for the cement concrete pavement, the prior airport pavement in China at present adopts the cast-in-place cement concrete pavement, and has the advantages of high rigidity, high strength, good integrity and strong erosion resistance. However, the cast-in-place concrete pavement has large field operation workload and long construction period, so the prefabricated assembly type construction method is particularly important. The prefabricated components in the factory are transported to the site and assembled according to the drawing, so that the demand of workers in the construction line can be reduced, the labor intensity of the workers can be reduced, and the cost for erecting the template in the traditional construction site is reduced; the pavement hardening on the site of a construction site can be quickly realized, the material transportation is convenient, and the construction period is saved; meanwhile, pollution such as dust emission, noise, sewage and the like can be avoided; in addition, after the building is completed and removed, the building block can be recycled after simple maintenance, is beneficial to creating a green construction site, and accords with the modern development concept.

However, the joint of the plate bodies of the existing fabricated concrete pavement panel is simple to arrange, most fabricated concrete pavement panels adopting the tongue-and-groove overlapping method are usually connected by inserting the tongue-and-groove tenon of one plate into the tongue-and-groove of the other plate, the tongue-and-groove design is convenient for construction and assembly, but the tongue-and-groove overlapping method cannot limit the relative displacement of the two plates along the traveling direction of an airplane and in the direction perpendicular to the airplane direction, the longitudinal tongue-and-groove joint of a road without a pull rod cannot keep an ideal closed working state after a certain service time under the condition of only depending on the friction force of a foundation and the contact surface resistance of adjacent plates, namely the joint of the fabricated concrete pavement panel can generate a larger or smaller opening amount under the long-term action of impact load generated in the braking or accelerating process of the airplane, and if external hard materials fall into the opening joint, the joint gap is larger. Therefore, the seam structure needs to be optimized so as to limit the relative displacement of two adjacent plates, and further reduce the seam opening amount.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete assembled airport pavement panel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a concrete assembled airport pavement panel, includes prefabricated plate body and built-in fitting, the right-hand member face middle part of prefabricated plate body is provided with the flange, the left end face middle part of prefabricated plate body is provided with the recess corresponding with the flange, just the right-hand member face of prefabricated plate body is located the both sides of flange and the both sides that the left end face is located the recess are provided with the buckle structure of two prefabricated plate body displacements of restriction, the preceding lateral wall of prefabricated plate body is provided with the circular port that runs through the prefabricated plate body of a plurality of equidistant distributions along its length direction, the built-in fitting is connected fixedly with the bottom of prefabricated plate body for fix a position the prefabricated plate body.

As a further aspect of the present invention: the degree of depth of flange is 1/4 of prefabricated plate body thickness, the thickness of flange is 6mm, the size and the flange size phase-match of recess.

As the utility model discloses further scheme again: buckle structure is including setting up in the joint board of recess both sides and setting up in the joint groove of flange both sides, the upper surface of joint board and the bottom in joint groove constitute by two horizontal planes and a domatic, just domatic being located between two horizontal planes, the size phase-match in joint plate size and joint groove.

As a further aspect of the present invention: the middle part of the surface of the embedded part is provided with a fixing hole, a first blind hole is formed in the top end, located at the fixing hole, of the upper surface of the embedded part, limiting blocks are arranged on two sides of the bottom of the embedded part, and threaded holes are formed in two ends, located at the fixing hole, of the upper surface of the embedded part.

As a further aspect of the present invention: the bottom of the front side wall and the back side wall of the prefabricated plate body are respectively provided with two positioning grooves which are distributed in order, the length of each positioning groove is half of the length of an embedded part, the surface of the prefabricated plate body is provided with an insertion hole above the positioning groove, the insertion holes are distributed corresponding to the threaded holes, and the top end of the surface of the prefabricated plate body, which is located in the insertion holes, is provided with a second blind hole.

As the utility model discloses further scheme again: the cross sections of the embedded part and the positioning groove are both of a trapezoidal structure, and the size of the embedded part is matched with that of the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can realize the course of working and the work progress phase separation of guidance tape, the mill is prefabricated can improve the quality of guidance tape greatly, the construction speed of airport guidance tape can be improved greatly in the scene concatenation, through flange and recess, buckle structure, cooperation between built-in fitting and the constant head tank, the wholeness of airport guidance tape has been improved greatly, the seam biography lotus ability has been improved, reduce the stress at the bottom of the board, limit the relative displacement between the board, the quality is improved greatly, through adopting prefabricated mode, the efficiency of construction is improved greatly, the maintenance in airport has been reduced, the engineering time.

2. The prefabricated plate body hollow form is arranged to reduce the dead weight of the assembled concrete pavement panel, the circular structure is usually used in a structure with confining pressure load, such as an oil tank, a granary, a subway channel and foundation pit support, the stress on the circular surface is uniform under the action of the load, the phenomenon that the stress concentration phenomenon damages the material structure is easily reduced, in the actual engineering, when the dead weight and the materials are required to be reduced on the premise that the mechanical property of the material is ensured by the structure body, the circular hollow form can play an important role, the circular hollow form is used in the assembled concrete pavement panel, the assembled concrete pavement panel can be used as a through line pipeline inside the panel and can also be used as a drainage pipeline, certain actual benefits are achieved, and meanwhile, the aesthetic requirement can be met.

3. Because the prefabricated plate bodies with the embedded type tongues and grooves are assembled in a mode that the convex plates are embedded into the grooves, the resistance of the grooves to the convex plates can be used for limiting the relative displacement of the two prefabricated plate bodies vertical to the traveling direction of the airplane, and the resistance between the buckles is used for limiting the relative displacement of the two prefabricated plate bodies along the traveling direction of the airplane in a buckle overlapping mode, so that the service life of the prefabricated plate bodies is greatly prolonged.

4. Through the cooperation between built-in fitting and the constant head tank, can fix a position the installation to the prefabricated plate body, prevent to take place the displacement at the prefabricated plate body of installation, the phenomenon of influence installation takes place, has improved installation quality, has reduced the installation degree of difficulty simultaneously, has improved the installation rate.

Drawings

Fig. 1 is a schematic structural view of a concrete fabricated airport pavement panel.

Fig. 2 is a front view of fig. 1.

Fig. 3 is an exploded view of a prefabricated panel and embedments in a concrete fabricated airport pavement panel.

Fig. 4 is a schematic structural diagram of another view angle in fig. 3.

Fig. 5 is a schematic diagram of an embedded part in a concrete assembled airport pavement panel.

Fig. 6 is a schematic structural diagram of a prefabricated plate body in a concrete assembled airport pavement panel.

Fig. 7 is a right side view of fig. 6.

In the figure: 1. prefabricating a plate body; 2. embedding parts; 3. a convex plate; 4. a clamping and connecting plate; 5. a clamping groove; 6. a circular hole; 7. a groove; 8. positioning a groove; 9. a limiting block; 10. a threaded hole; 11. a fixing hole; 12. a first blind hole; 13. a second blind hole; 14. and (4) inserting the jack.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, in the embodiment of the present invention, a concrete assembled airport pavement panel comprises a prefabricated panel body 1 and an embedded part 2, wherein a convex plate 3 is arranged in the middle of the right end face of the prefabricated panel body 1, a groove 7 corresponding to the convex plate 3 is arranged in the middle of the left end face of the prefabricated panel body 1, the depth of the convex plate 3 is 1/4 of the thickness of the prefabricated panel body 1, the thickness of the convex plate 3 is 6mm, the size of the groove 7 is matched with the size of the convex plate 3, because the prefabricated panel body 1 with the embedded rabbet is assembled by embedding the convex plate 3 into the groove 7, the relative displacement of the two prefabricated panel bodies 1 perpendicular to the traveling direction of an airplane can be limited by the resistance of the groove 7 to the convex plate 3, at this time, the size of the convex plate 3 is not too large, the large convex plate 3 not only reduces the strength of the seam, but also increases the manufacturing difficulty, the right end face of the prefabricated plate body 1 is positioned on two sides of the convex plate 3, the left end face of the prefabricated plate body is positioned on two sides of the groove 7, the buckle structures for limiting the displacement of the two prefabricated plate bodies 1 are arranged on two sides of the groove 7, each buckle structure comprises a clamping plate 4 arranged on two sides of the groove 7 and a clamping groove 5 arranged on two sides of the convex plate 3, the upper surface of each clamping plate 4 and the bottom of each clamping groove 5 are respectively composed of two horizontal planes and a slope, the slope is positioned between the two horizontal planes, the size of each clamping plate 4 is matched with that of each clamping groove 5, the relative displacement of the two prefabricated plate bodies 1 along the traveling direction of an airplane is limited by using the resistance between the buckles in a buckle lap joint mode, in order to manufacture a template, the end part buckle structures do not occupy groove areas and are in seamless connection with the groove areas, the slope gradient of the buckle structures needs to be consistent with the slope gradient of the groove, otherwise, the buckle structures can not be spliced, and only serve as auxiliary structures for limiting the displacement of the two prefabricated plate bodies 1, the larger the size of the buckle structure is, the larger the shearing force is, the larger the size is not suitable for overlarge, the width of the buckle structure is 250mm, the overlong length of the buckle structure is more prone to fracture under the action of the shearing force, the length of the buckle structure is 80mm, the front side wall of the prefabricated plate body 1 is provided with a plurality of circular holes 6 which are distributed at equal intervals and penetrate through the prefabricated plate body 1 along the length direction of the prefabricated plate body, the assembled concrete pavement panel has the great characteristic different from the traditional concrete pavement, namely, the construction mode of the traditional concrete pavement is cast-in-place, the construction mode of the assembled concrete pavement panel is transported to a construction site after being prefabricated in a factory, and in order to avoid the concrete at the hanging ring position from being damaged by tension or the plate bottom from being damaged by overlarge self weight in the transportation process, the prefabricated plate body 1 is arranged in a hollow form to reduce the dead weight of the assembled concrete pavement panel, the circular structure is usually used in structures with confining pressure load, such as an oil tank, a granary, a subway channel and foundation pit enclosure, the stress on the circular surface is uniform under the action of the load, and the phenomenon that the stress concentration phenomenon damages the material structure is easily reduced;

the embedded part 2 is fixedly connected with the bottom of the prefabricated plate body 1 and used for positioning the prefabricated plate body 1, a fixing hole 11 is arranged in the middle of the surface of the embedded part 2, a first blind hole 12 is arranged at the top end of the fixing hole 11 on the upper surface of the embedded part 2, limiting blocks 9 are arranged on two sides of the bottom of the embedded part 2, threaded holes 10 are arranged at two ends of the fixing hole 11 on the upper surface of the embedded part 2, in the installation process, the embedded part 2 is firstly installed, limiting grooves distributed corresponding to the limiting blocks 9 are arranged on a transition layer, the limiting blocks 9 at the bottom of the embedded part 2 are clamped into the corresponding limiting grooves, so that the limiting of the embedded part 2 is realized, then an inner hexagonal bolt is inserted into the fixing hole 11 to lock and fix the embedded part 2, the nut of the inner hexagonal bolt is positioned in the first blind hole 12, and interference is not caused when the prefabricated plate body 1 is installed, the bottom of the front side wall and the bottom of the rear side wall of the prefabricated plate body 1 are respectively provided with two positioning grooves 8 which are distributed in order, the length of each positioning groove 8 is half of the length of the embedded part 2, the cross sections of the embedded parts 2 and the positioning grooves 8 are both in a trapezoidal structure, the sizes of the embedded parts 2 are matched with the sizes of the positioning grooves 8, the embedded parts 2 and the positioning grooves 8 are more closely connected by setting the cross sections of the embedded parts 2 and the positioning grooves 8 to be in the trapezoidal structures, the surface of the prefabricated plate body 1 is provided with inserting holes 14 above the positioning grooves 8, the inserting holes 14 are distributed corresponding to the threaded holes 10, the surface of the prefabricated plate body 1 is provided with second blind holes 13 at the top ends of the inserting holes 14, after the embedded parts 2 are installed, the prefabricated plate body 1 is installed, the positioning grooves 8 at the bottom of the prefabricated plate body 1 are connected with the embedded parts 2, and the inserting holes 14 and the threaded holes 10 on the embedded parts 2 are positioned on the same straight line, then use hexagon socket head cap screw to insert jack 14 and screw into screw hole 10 in to the realization is fixed prefabricated plate body 1 and built-in fitting 2, screws up hexagon socket head cap screw after, hexagon socket head cap screw's nut is in second blind hole 13, through the cooperation between constant head tank 8 and the built-in fitting 2, can fix a position the installation to prefabricated plate body 1, has not only improved installation quality, still is favorable to spacing prefabricated plate body 1, prevents to take place the displacement at installation prefabricated plate body 1, and the phenomenon of influence installation takes place.

The utility model discloses a theory of operation is:

at first with prefabricated plate body 1 processing shaping in the processing factory, and transport airport pavement panel construction place through haulage vehicle, then install a plurality of prefabricated plate bodies 1 on the transition layer of airport pavement through erection equipment, before installation prefabricated plate body 1, need will install with the built-in fitting 2 of constant head tank 8 adaptation, fix built-in fitting 2 on the transition layer, then with the constant head tank card of prefabricated plate body 1 bottom on the built-in fitting 2 that corresponds, it is fixed to lock through hexagon socket head cap screw, make simultaneously protruding board 3 card of two adjacent prefabricated plate bodies 1 go into in the recess 7 of symmetry, thereby accomplish the installation to prefabricated plate body 1 through the supplementary spacing of buckle structure.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a concrete assembled airport pavement panel, its characterized in that, including prefabricated plate body (1) and built-in fitting (2), the right-hand member face middle part of prefabricated plate body (1) is provided with flange (3), the left end face middle part of prefabricated plate body (1) is provided with recess (7) corresponding with flange (3), just the right-hand member face of prefabricated plate body (1) is located the both sides of flange (3) and the left end face is located the both sides of recess (7) and is provided with the buckle structure of two prefabricated plate body (1) displacements of restriction, the preceding lateral wall of prefabricated plate body (1) is provided with a plurality of equidistant circular ports (6) that run through prefabricated plate body (1) that distribute along its length direction, built-in fitting (2) are connected fixedly with the bottom of prefabricated plate body (1) for fix a position prefabricated plate body (1).

2. A concrete assembled airport pavement panel according to claim 1, wherein the depth of the raised plate (3) is 1/4 of the thickness of the prefabricated plate body (1), the thickness of the raised plate (3) is 6mm, and the size of the groove (7) matches the size of the raised plate (3).

3. The concrete assembled airport pavement panel according to claim 1, wherein the fastener structure comprises a fastening plate (4) disposed on both sides of the groove (7) and a fastening groove (5) disposed on both sides of the convex plate (3), the upper surface of the fastening plate (4) and the bottom of the fastening groove (5) are both formed by two horizontal planes and a slope, the slope is located between the two horizontal planes, and the size of the fastening plate (4) is matched with the size of the fastening groove (5).

4. The concrete assembled airfield pavement panel as claimed in claim 1, wherein the middle part of the surface of the embedded part (2) is provided with a fixing hole (11), the top surface of the embedded part (2) at the top end of the fixing hole (11) is provided with a first blind hole (12), the two sides of the bottom of the embedded part (2) are provided with limit blocks (9), and the two ends of the fixing hole (11) at the top surface of the embedded part (2) are provided with threaded holes (10).

5. The concrete assembled airport pavement panel according to claim 4, wherein the bottom of each of the front and rear side walls of the prefabricated panel body (1) is provided with two positioning slots (8) distributed in order, the length of each positioning slot (8) is half of the length of the embedded part (2), the surface of the prefabricated panel body (1) above the positioning slot (8) is provided with insertion holes (14), the insertion holes (14) are distributed corresponding to the threaded holes (10), and the surface of the prefabricated panel body (1) at the top end of the insertion holes (14) is provided with a second blind hole (13).

6. The concrete assembled airport pavement panel of claim 1, wherein the cross-section of the embedded part (2) and the positioning groove (8) is trapezoidal, and the size of the embedded part (2) is matched with the size of the positioning groove (8).