CN110820477A

CN110820477A - Plastic course that gas permeability is good

Info

Publication number: CN110820477A
Application number: CN201911210382.XA
Authority: CN
Inventors: 付伟峰
Original assignee: Hangzhou Baoli Sports Facilities Engineering Co Ltd
Current assignee: Hangzhou Baoli Sports Facilities Engineering Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-02-21

Abstract

The invention discloses a plastic track with good air permeability, which comprises a track foundation, wherein the track foundation comprises a bottom crushed stone layer, a leveling layer is laid on the upper surface of the crushed stone layer, a geotextile buffer layer is laid on the upper surface of the leveling layer, an asphalt layer is laid on the upper surface of the geotextile buffer layer, a laying plate is laid on the upper surface of the track foundation, the laying plate comprises a bottom plate, side plates are poured on two sides of the bottom plate, and connecting grooves are formed in two sides of the bottom plate. The laying plates and the runway body in the plastic runway with good air permeability are installed in a segmented mode, welded connecting steel bars are reserved between the laying plates, the integrity of the runway can be increased, the segmented runway is convenient to replace after damage occurs to the local part of the runway, the maintenance cost can be reduced, and meanwhile, the friction force between the laying plates and the runway body can be increased through the arrangement of the anti-slip blocks.

Description

Plastic course that gas permeability is good

Technical Field

The invention relates to the technical field of plastic runways, in particular to a plastic runway with good air permeability.

Background

The plastic track is also called as an all-weather track and field sports track, has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical performance, is beneficial to the exertion of the speed and the technology of athletes, effectively improves the sports achievement and reduces the injury rate. The plastic track is made of materials such as polyurethane rubber, has certain elasticity and color, has certain ultraviolet resistance and aging resistance, is the best all-weather outdoor sports ground floor material internationally recognized, and the raw materials of the plastic track are certified by the national association of the plastic industry and are nontoxic and harmless to the environment and human bodies. And has the characteristics of ultraviolet light resistance, abrasion resistance, burst resistance, aging resistance, long service life, easy maintenance, low maintenance cost and the like.

The Chinese patent discloses a breathable plastic track (publication number: CN207699988U), which comprises a plastic layer and a concrete layer, wherein the plastic layer is arranged on the concrete layer, the bottom of the plastic layer is provided with a silica gel layer, an open-pore micro-foaming polyurethane particle buffer layer is arranged between the silica gel layer and the concrete layer, a vent pipe is vertically arranged inside the breathable track, the vent pipe vertically and sequentially penetrates through the open-pore micro-foaming polyurethane particle buffer layer, the silica gel layer and the plastic layer, a plurality of transverse guide pipes are arranged in the breathable plastic track, the guide pipes transversely penetrate through the plastic layer, the silica gel layer and the open-pore micro-foaming polyurethane particle buffer layer respectively, and are communicated with the vent pipe.

The shaping is once only poured mostly to current plastic course, after using for a long time, perhaps under the influence of external force factor, can cause the damage, but inconvenient the changing after the damage, and current plastic course is when using, if the rainwater permeates the inside too much of runway, then can lead to the runway to fill the water inflation, unable normal use, and current plastic course's gas permeability is relatively poor, the performance is poor, the impact absorption hardly reaches current national standard requirement with vertical deformation, and the smell is big, be unfavorable for healthily.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a plastic track with good air permeability, and solves the problems that most of the existing plastic tracks are formed by one-time pouring, can cause damage after being used for a long time or under the influence of an external force factor, but are inconvenient to replace after being damaged, and when the existing plastic tracks are used, if rainwater penetrates into the interior of the tracks too much, the tracks can be inflated by water, so that the tracks cannot be normally used, and the existing plastic tracks have poor air permeability and poor performance, are difficult to meet the existing national standard requirements in impact absorption and vertical deformation, have large odor and are not beneficial to health.

In order to achieve the purpose, the invention is realized by the following technical scheme: a plastic runway with good air permeability comprises a runway foundation, wherein the runway foundation comprises a bottom gravel layer, the maximum particle size of diameter gravel of stones in the gravel layer is not more than 31.5mm, the stones need to be screened by a square-hole screen, the gravel particle composition meets the standard requirement, the crushing value of the gravel is not more than 30%, the organic matter content is not more than 2%, and the sulfate content is not more than 0.25%, a leveling layer is laid on the upper surface of the gravel layer and is paved by cement mortar or cement concrete, a geotextile buffer layer is laid on the upper surface of the leveling layer, a asphalt layer is laid on the upper surface of the geotextile buffer layer, a laying plate is laid on the upper surface of the runway foundation, the strength of each member in the bottom plate is C40, the laying plate comprises a bottom plate, side plates are poured on two sides of the bottom plate, and connecting grooves are formed on two sides of the bottom plate, the inside through connection of spread groove has the reservation rebar who exposes, lay the adjacent mutual welded connection of reservation rebar of board, reserve the technology that rebar adopted the single face welding, welding area is greater than 8d to the spread groove need pour the concrete after reserving the rebar welding, bellied non slipping spur has been pour to the upper surface of bottom plate, and the surface of non slipping spur is convex, the hydrophobic layer has been laid to the upper surface of bottom plate and non slipping spur, and the hydrophobic layer specifically is the component of a high density polyethylene material, the runway body has been laid to the upper surface of hydrophobic layer.

Preferably, the apopore has been seted up to the inside of runway body, the mounting hole has been seted up to the inside of curb plate, mounting hole and apopore are in same direction, and the inside embedding of mounting hole and apopore is connected with the outlet pipe.

Preferably, the pressing plates are laid on two sides of the upper surface of the runway body, the pressing plates need to be subjected to pressurization treatment before installation, the edges of the runway body need to be pressed, expansion bolts are fixedly connected among the pressing plates, the runway body and the bottom plate, and the expansion bolts and the water outlet pipe are distributed in a staggered mode.

Preferably, a deformation joint is reserved between the adjacent side plates and the runway body, a flexible material is filled in the deformation joint, and the flexible material is specifically a low-foaming polyethylene closed-cell foam board.

Preferably, the runway body includes the elastic layer, and the elastic layer specifically is the component of an Epdm material, ventilative layer has been laid to the upside of elastic layer, and the framework material on ventilative layer is the rubber granule that waste gas tire made, the infiltration grained layer has been laid to the upper surface on ventilative layer, and the framework material on infiltration grained layer is PU rubber to the infiltration grained layer is through the wire drawing processing, and tiny micropore has been seted up through processing to its inside, the apopore is seted up between elastic layer and ventilative layer.

Preferably, the thickness of the elastic layer is 8mm to 10mm, the thickness of the breathable layer is 5mm to 8mm, and the thickness of the permeable particle layer is 4mm to 7 mm.

Preferably, the thickness of the gravel layer is 12-15 mm, the thickness of the leveling layer is 4-8 mm, the thickness of the geotextile buffer layer is 3-5 mm, and the thickness of the asphalt layer is 8-10 mm.

Advantageous effects

The invention provides a plastic track with good air permeability. Compared with the prior art, the method has the following beneficial effects:

(1) the plastic track with good air permeability is characterized in that connecting grooves are formed in two sides of a bottom plate, exposed reserved threaded steel bars are connected in the connecting grooves in a penetrating mode, the adjacent reserved threaded steel bars of a laying plate are connected in a welding mode, a convex anti-slip block is poured on the upper surface of the bottom plate, the outer surface of the anti-slip block is in a circular arc shape, a track body is laid on the upper surface of a hydrophobic layer, a deformation joint is reserved between an adjacent side plate and the track body, flexible materials are filled in the deformation joint, the laying plate and the track body are installed in a segmented mode, and welded connecting steel bars are reserved between the laying plates, so that the integrity of the runway can be increased, the sectional runway is convenient to replace after the local damage of the runway occurs, the maintenance cost can be reduced, simultaneously through setting up the non slipping spur, can increase the frictional force of laying between board and the runway body, prevent the problem of skidding.

(2) This plastic course that gas permeability is good, the apopore has been seted up through the inside of runway body, the mounting hole has been seted up out to the inside of curb plate, mounting hole and apopore are in same direction, and the inside embedding of mounting hole and apopore is connected with the outlet pipe, the both sides of runway body upper surface have all been laid and have been pressed the clamp plate, press the clamp plate, fixedly connected with expansion bolts between runway body and the bottom plate, expansion bolts and the distribution of staggering of outlet pipe, this device is through pressing the clamp plate, can pressurize the edge of runway body, prevent that the problem of dispersion from appearing in the runway body, lay board and runway body inside all to be provided with out the water component simultaneously, can prevent that inside too much catchment of piling up of runway, lead to the problem.

(3) This plastic course that gas permeability is good, include the elastic layer through the runway body, the elastic layer specifically is the component of an Epdm material, ventilative layer has been laid to the upside of elastic layer, the rubber granule that the framework material on ventilative layer made for the waste gas tire, the infiltration grained layer has been laid to the upper surface on ventilative layer, the framework material on infiltration grained layer is PU rubber, and the infiltration grained layer is handled through the wire drawing, tiny micropore has been seted up through processing to its inside, the apopore is seted up between elastic layer and ventilative layer, this novel well runway body adopts the three-layer design, good ventilation property has, and the performance is good, impact absorption and vertical deformation's index is high, and the smell is little.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a connection diagram of the paving slab and the runway body according to the present invention;

FIG. 4 is a cross-sectional view of the connection portion of the laying plate according to the present invention;

fig. 5 is a partial cross-sectional view of a racetrack body in accordance with the invention.

In the figure: 1. a runway foundation; 2. laying a board; 3. a runway body; 4. a crushed stone layer; 5. leveling layer; 6. a geotextile buffer layer; 7. an asphalt layer; 8. mounting holes; 9. a water outlet pipe; 10. anti-skid blocks; 11. a hydrophobic layer; 12. a water outlet hole; 13. deformation joints; 14. connecting grooves; 15. reserving a twisted steel bar; 21. a base plate; 22. a side plate; 23. a pressing plate; 24. an expansion bolt; 31. an elastic layer; 32. a breathable layer; 33. the particle layer is infiltrated.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a plastic runway with good air permeability comprises a runway foundation 1, wherein the runway foundation 1 comprises a bottom gravel layer 4, the maximum particle size of diameter gravel of stones in the gravel layer 4 is not more than 31.5mm, the stones need to be screened by a square-hole screen, the gravel particle composition meets the standard requirement, the crushing value of the gravel is not more than 30%, the organic matter content is not more than 2%, the sulfate content is not more than 0.25%, a leveling layer 5 is laid on the upper surface of the gravel layer 4, the leveling layer 5 is laid by cement mortar or cement concrete, a geotextile buffer layer 6 is laid on the upper surface of the leveling layer 5, an asphalt layer 7 is laid on the upper surface of the geotextile buffer layer 6, the thickness of the gravel layer 4 is 12-15 mm, the thickness of the leveling layer 5 is 4-8 mm, the thickness of the geotextile buffer layer 6 is 3-5 mm, the thickness of the asphalt layer 7 is 8-10 mm, a laying plate 2 is laid on the upper surface of the runway foundation 1, the laying plate 2 comprises a bottom plate 21, side plates 22 are poured on two sides of the bottom plate 21, water outlet holes 12 are formed in a runway body 3, mounting holes 8 are formed in the side plates 22, the mounting holes 8 and the water outlet holes 12 are in the same direction, water outlet pipes 9 are connected with the mounting holes 8 and the water outlet holes 12 in an embedded mode, pressing plates 23 are laid on two sides of the upper surface of the runway body 3, the pressing plates 23 are fixedly connected with expansion bolts 24 between the runway body 3 and the bottom plate 21, the expansion bolts 24 and the water outlet pipes 9 are distributed in a staggered mode, the device can pressurize the edge of the runway body 3 through the pressing plates 23, the problem that the runway body is scattered is prevented, water outlet components are arranged inside the laying plate 2 and the runway body 3, excessive water collection accumulated inside the runway can be prevented, the problem that the runway is expanded and separated is caused, deformation joints 13 are reserved between the adjacent side plates 22 and the runway, the inside of movement joint 13 is filled with flexible material, and the both sides of bottom plate 21 have all been seted up spread groove 14, the inside through connection of spread groove 14 has exposed reserve rebar 15, lay the adjacent reserve rebar 15 welded connection each other of board 2, the upper surface of bottom plate 21 has pour protruding non slipping spur 10, bottom plate 21 and the upper surface of non slipping spur 10 have laid hydrophobic layer 11, hydrophobic layer 11 specifically is the component of a high density polyethylene material, the board 2 and runway body 3 of laying in the novel adopts the segmentation installation, and it has welded connecting reinforcement to lay to reserve between the board 2, can increase the wholeness of runway, the sectional type runway conveniently changes after the runway local damage appears, can reduce the maintenance cost, through setting up non slipping spur 10 simultaneously, can increase the frictional force between board 2 and runway body 3, prevent the problem of skidding, the runway body 3 is laid on the upper surface of the hydrophobic layer 11, the runway body 3 comprises an elastic layer 31, the elastic layer 31 is specifically a component made of an Epdm material, a breathable layer 32 is laid on the upper side of the elastic layer 31, a permeable granular layer 33 is laid on the upper surface of the breathable layer 32, a water outlet hole 12 is formed between the elastic layer 31 and the breathable layer 32, the elastic layer 31 is 8-10 mm thick, the breathable layer 32 is 5-8 mm thick, the framework material of the breathable layer 32 is rubber granules made of waste gas tires, the permeable granular layer 33 is 4-7 mm thick, the framework material of the permeable granular layer 33 is PU rubber, fine micropores are formed in the permeable granular layer 33 through wire drawing treatment, and fine micropores are formed in the inner part of the permeable granular layer 33 through processing. And those not described in detail in this specification are well within the skill of those in the art.

When the runway body 3 is in work, the runway body 3 is cast and molded through a mould under a proper environment, then the gravel layer 4, the leveling layer 5, the geotextile buffer layer 6 and the asphalt layer in the runway foundation 1 are sequentially paved on the paving boards 2 which are sequentially paved on the runway foundation 1, when the adjacent paving boards 2 are paved, the connecting grooves 14 of the two paving boards 2 are aligned, the reserved threaded steel bars 15 are staggered, then the two reserved threaded steel bars 15 are welded, the welding area of the reserved threaded steel bars 15 is larger than 8d, then concrete is poured in the connecting grooves 14, the hydrophobic layer 11 is paved on the upper side of the bottom plate 21 of the paving boards 2, then the molded runway body 3 is paved on the upper side of the hydrophobic layer 11, then the water outlet pipe 9 is embedded and connected to the insides of the mounting hole 8 and the water outlet hole 12, the pressing board 23 is placed on the edge of the runway body 3, then the pressing board 23 is pressed through equipment, pressurizing the edge of the runway body 3, so that the edge connection of the runway body is tighter, installing the expansion bolts 24 into the pressing plate 23, the runway body 3 and the inside of the laying plate 2, filling the flexible material into the deformation joint 13 between the laying plate 2 and the runway body 3, wherein the flexible material is specifically a low-foaming polyethylene closed-cell foam board, repeating the steps at last, and sequentially assembling and laying the laying plate 2 and the runway body 3.

To sum up, this neotype laying board 2 and runway body 3 adopt the segmentation installation to it has welded connecting reinforcement to lay to reserve between the board 2, can increase the wholeness of runway, and the sectional type runway is convenient to be changed after the damage appears in the runway part, can reduce the maintenance cost, through setting up non slipping spur 10, can increase the frictional force of laying between board 2 and the runway body 3 simultaneously, prevents the problem that skids.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastic course that gas permeability is good, includes runway basis (1), runway basis (1) includes rubble layer (4) of bottom, screed-coat (5) have been laid to the upper surface of rubble layer (4), geotechnological cloth buffer layer (6) have been laid to the upper surface of screed-coat (5), asphalt layer (7), its characterized in that have been laid to the upper surface of geotechnological cloth buffer layer (6): the upper surface of runway foundation (1) has been set up and has been laid board (2), it includes bottom plate (21) to lay board (2), curb plate (22) have all been pour to the both sides of bottom plate (21), and connecting groove (14) have all been seted up to the both sides of bottom plate (21), the inside through connection of connecting groove (14) has reserved rebar (15) of exposure, lay board (2) adjacent reserved rebar (15) interconnect welded connection, bellied non slipping spur (10) have been pour to the upper surface of bottom plate (21), hydrophobic layer (11) have been laid to the upper surface of bottom plate (21) and non slipping spur (10), runway body (3) have been laid to the upper surface of hydrophobic layer (11).

2. A plastic track with good air permeability as claimed in claim 1, wherein: apopore (12) have been seted up to the inside of runway body (3), mounting hole (8) have been seted up to the inside of curb plate (22), mounting hole (8) and apopore (12) are in same direction, and the inside embedding of mounting hole (8) and apopore (12) is connected with outlet pipe (9).

3. A plastic track with good air permeability as claimed in claim 2, wherein: pressing plates (23) are laid on two sides of the upper surface of the runway body (3), expansion bolts (24) are fixedly connected among the pressing plates (23), the runway body (3) and the bottom plate (21), and the expansion bolts (24) and the water outlet pipe (9) are distributed in a staggered mode.

4. A plastic track with good air permeability as claimed in claim 3, wherein: a deformation joint (13) is reserved between the adjacent side plates (22) and the runway body (3), and flexible materials are filled in the deformation joint (13).

5. A plastic course with good air permeability according to claim 4, characterized in that: the runway body (3) comprises an elastic layer (31), a breathable layer (32) is laid on the upper side of the elastic layer (31), a permeable granular layer (33) is laid on the upper surface of the breathable layer (32), and the water outlet hole (12) is formed between the elastic layer (31) and the breathable layer (32).

6. A plastic course with good air permeability according to claim 5, characterized in that: the thickness of the elastic layer (31) is 8-10 mm, the thickness of the breathable layer (32) is 5-8 mm, and the thickness of the permeable particle layer (33) is 4-7 mm.

7. A plastic track with good air permeability as claimed in claim 1, wherein: the thickness of the gravel layer (4) is 12-15 mm, the thickness of the leveling layer (5) is 4-8 mm, the thickness of the geotextile buffer layer (6) is 3-5 mm, and the thickness of the asphalt layer (7) is 8-10 mm.