A durable hybrid running track

Abstract

This utility model relates to the field of sports facility construction technology, and in particular to a durable hybrid running track. This utility model provides a durable hybrid running track comprising a wear-resistant layer, a rubber granule layer, an adhesive bonding layer, a skeleton bonding layer, a reinforcing mesh layer, a rebound filler layer, a hydrophobic layer, a prefabricated installation structure layer, and a concrete base. The concrete base serves as the foundation load-bearing part of the track, and is pre-cast with high-strength concrete underground. The prefabricated installation structure layer is installed on top of the concrete base. The hydrophobic layer is located above the prefabricated installation structure layer and is flush with the ground. Above the hydrophobic layer, the rebound filler layer and the reinforcing mesh layer are sequentially arranged, with the rebound filler layer located between the hydrophobic layer and the reinforcing mesh layer. Stress-absorbing modules are also provided on the upper and lower sides of the rebound filler layer. The wear-resistant layer uses highly wear-resistant materials, which can effectively resist friction wear from shoe soles and other materials during long-term use, reducing the frequency of repair or replacement due to surface wear.

Description

Technical Field

[0001] This utility model relates to the field of sports facility construction technology, and in particular to a durable hybrid running track. Background Technology

[0002] As a key component of sports infrastructure, the quality of running tracks directly impacts the sports experience, safety, and lifespan of the facilities. With the widespread popularity of sports and the increasing demands for sports venues, optimizing running track performance has become a focus of industry attention. Against this backdrop, the inherent shortcomings of traditional running tracks are becoming increasingly apparent.

[0003] From a material perspective, some track materials have poor wear resistance. After being frequently stepped on by athletes and rubbed by shoe soles for a long time, the surface is easily worn, resulting in particle shedding and thinning of the surface layer. This not only affects the aesthetics but also reduces the anti-slip performance of the track, increases the risk of injury to athletes, and requires frequent repairs or complete replacement, consuming a lot of manpower, material resources, and financial resources.

[0004] In terms of structural design, many runway structures lack overall integrity. The connections between functional layers are not tight enough, making them prone to problems such as interlayer separation and bulging under temperature changes, humidity differences, and long-term sports loads. Once the structure is damaged, key indicators such as the runway's cushioning performance and flatness will be affected, severely shortening the normal service life of the runway.

[0005] In terms of drainage, traditional running track drainage systems are inadequate. During rainy weather, water easily accumulates on the track surface. Prolonged immersion in water accelerates material aging, erodes the base structure, and significantly reduces the track's durability. Furthermore, the water makes the track surface slippery, posing a significant safety hazard to users.

[0006] Furthermore, traditional running tracks have shortcomings in addressing stress concentration issues. The impact force generated by athletes during running can easily create localized stress concentrations, leading to cracks, collapses, and other damage in specific areas of the track, affecting the overall structural stability and durability. Given these drawbacks of traditional running tracks, the development of a durable hybrid running track is urgently needed. Utility Model Content

[0007] In order to overcome the shortcomings mentioned in the background art, the present invention provides a durable hybrid running track.

[0008] The technical solution is as follows:

[0009] A durable hybrid running track comprises, from top to bottom, a wear-resistant layer, a rubber granule layer, an adhesive bonding layer, a skeleton bonding layer, a reinforcing grid layer, a rebound filling layer, a hydrophobic layer, a prefabricated installation structure layer, and a concrete base layer;

[0010] The wear-resistant layer provides anti-slip and high wear resistance; the rubber particle layer is bonded to the surface of the skeleton connecting layer via the adhesive connecting layer; the skeleton connecting layer and the reinforcing mesh layer have high compressive strength and work together to support the skeleton; the rebound filling layer has high resilience and shock absorption; the hydrophobic layer is flush with the ground outside the track; the prefabricated installation structure layer is a rigid structure that serves as a base support to support the layers above it and facilitates the rapid installation of the concrete base layer; the concrete base layer, as the foundation load-bearing part of the track, is pre-cast with high-strength concrete.

[0011] Preferably, the rubber particle layer is made of EPDM particles mixed with rubber.

[0012] Furthermore, the bottom surface of the reinforcing mesh layer, the upper surface of the rebound filling layer, the bottom surface of the rebound filling layer, and the upper surface of the hydrophobic layer are all wavy, sawtooth-shaped curved surfaces; the bottom surface of the reinforcing mesh layer and the upper surface of the rebound filling layer are discontinuously connected to form several irregularly shaped first gap cavities, which are filled with upper stress-absorbing modules; the bottom surface of the rebound filling layer and the upper surface of the hydrophobic layer are discontinuously connected to form several irregularly shaped second gap cavities, which are filled with lower stress-absorbing modules.

[0013] Preferably, both the upper stress-absorbing module and the lower stress-absorbing module have a low stress concentration coefficient and are preferably made of modified asphalt-rubber composite material. The upper and lower stress-absorbing modules can effectively disperse and absorb stress from the runway surface and themselves, preventing cracks and damage to the runway structural layers caused by stress concentration.

[0014] Furthermore, the runway is symmetrically provided with limiting connectors at both ends along its width direction; the limiting connectors are rigid components and are located below the bottom surface of the skeleton connection layer, used to define the relative position from the reinforcing mesh layer to the hydrophobic layer in the horizontal direction and ensure its stress dispersion performance and the tightness of the connection between the corresponding layers.

[0015] Preferably, the lower section of the limiting connector is inserted into the prefabricated installation structure layer and the concrete base layer; the upper middle section of the limiting connector protrudes horizontally towards one side of the runway to form a first reinforcing rib; the limiting connectors on both sides are symmetrically arranged, and the first reinforcing ribs on both sides press the reinforcing mesh layer to both sides of the hydrophobic layer; the top of the first reinforcing rib is recessed to form an installation groove, and the two sides of the reinforcing mesh layer extend horizontally outward to form downward protruding installation blocks, the installation blocks are matched with the installation groove, and the installation blocks can be interference-fitted into the installation groove for installation.

[0016] Preferably, the top and bottom of the mounting groove are further provided with rebound ribs, which are located on the end face of the limiting connector in contact with the reinforcing mesh layer. The rebound ribs have strong elasticity, which facilitates the rebound of the reinforcing mesh layer relative to the limiting connector when the track is under pressure.

[0017] Preferably, the surface of the wear-resistant layer is provided with a plurality of water guiding grooves; the water guiding grooves are recessed downward relative to the surface of the wear-resistant layer; the water guiding grooves are inclined to one end along their own length, and the inclination slope does not exceed 1.5%.

[0018] Preferably, the prefabricated installation structure layer is made of one or more composite materials of cement board, gypsum board, and terracotta board.

[0019] Preferably, the bottom surface of the prefabricated installation structure layer has a plurality of downwardly protruding second reinforcing ribs; when the prefabricated installation structure layer is installed above the concrete base layer, the second reinforcing ribs are embedded in the interior of the concrete base layer.

[0020] Preferably, the reinforcing mesh layer is made by casting a polyurethane prepolymer into a skeleton and filling its outer side and gaps with an elastic material.

[0021] Preferably, the skeleton connecting layer is made of polyurethane adhesive composite polyurethane prepolymer and is used to bond the adhesive connecting layer and the reinforcing mesh layer.

[0022] Preferably, the rebound filler layer is made of rubber material.

[0023] Preferably, the hydrophobic layer is made of expanded clay composite material, which has hydrophobic properties and can, to a certain extent, prevent pressure damage to the concrete base layer. Furthermore, the sidewall of the hydrophobic layer is connected to a drainage pipe, the end of which, away from the hydrophobic layer, passes through the corresponding limiting connector and connects to the drainage ditch beside the runway.

[0024] The beneficial effects of this utility model are: good wear resistance, shock resistance and rebound performance, excellent water-drainage performance, and longer overall service life of the track. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment.

[0026] Figure 2 This is a cross-sectional structural diagram of an embodiment.

[0027] Figure 3 This is a partial cross-sectional schematic diagram of an embodiment.

[0028] Reference numerals: 1-wear-resistant layer, 2-rubber granule layer, 3-adhesive bonding layer, 4-skeleton bonding layer, 5-reinforcing mesh layer, 51-installation block, 6-upper stress-absorbing module, 7-rebound filling layer, 71-first gap cavity, 72-second gap cavity, 8-lower stress-absorbing module, 9-hydrophobic layer, 10-prefabricated installation structure layer, 101-second reinforcing rib, 11-concrete base layer, 12-limiting connector, 121-first reinforcing rib, 122-installation groove, 13-rebound rib, 14-drainage pipe, 15-water guide channel. Detailed Implementation

[0029] Example

[0030] A durable hybrid running track, such as Figures 1-3 As shown, it includes a wear-resistant layer 1, a rubber particle layer 2, an adhesive bonding layer 3, a skeleton bonding layer 4, a reinforcing mesh layer 5, an upper stress-absorbing module 6, a rebound filling layer 7, a lower stress-absorbing module 8, a hydrophobic layer 9, a prefabricated installation structure layer 10, and a concrete base layer 11.

[0031] The wear-resistant layer 1 has anti-slip and high wear resistance functions, and is made of EPDM particles and polyurethane composite adhesive. Several water-guiding grooves 15 are formed on the surface of the wear-resistant layer 1. The water-guiding grooves 15 are recessed downwards relative to the surface of the wear-resistant layer 1 and are arranged along their width. The water-guiding grooves 15 are inclined at one end along their own length, and the inclination slope does not exceed 1.5%, facilitating water drainage.

[0032] The rubber granule layer 2 is made of EPDM granules mixed with rubber, providing moderate elasticity to meet the cushioning needs of athletes during exercise. The rubber granule layer 2 is bonded to the surface of the skeleton connecting layer 4 by an adhesive connecting layer 3.

[0033] The skeleton connection layer 4 is made of polyurethane adhesive composite polyurethane prepolymer. The reinforcing mesh layer 5 is made by casting polyurethane prepolymer into a skeleton and filling its outer surface and gaps with elastic material. The skeleton connection layer 4 and the reinforcing mesh layer 5 have high compressive strength and together play a supporting role in the skeleton, ensuring that the runway will not be structurally deformed or damaged by external forces during use.

[0034] The rebound filler layer 7 is made of rubber material and has high rebound performance and shock absorption effect.

[0035] The bottom surface of the reinforcing mesh layer 5, the top surface of the rebound filling layer 7, and the top surface of the hydrophobic layer 9 are all wavy, sawtooth-shaped curved surfaces. The bottom surface of the reinforcing mesh layer 5 and the top surface of the rebound filling layer 7 form a discontinuous contact, creating several irregularly shaped first gap cavities 71, which are filled with upper stress-absorbing modules 6. The bottom surface of the rebound filling layer 7 and the top surface of the hydrophobic layer 9 form a discontinuous contact, creating several irregularly shaped second gap cavities 72, which are filled with lower stress-absorbing modules 8.

[0036] Both the upper stress-absorbing module 6 and the lower stress-absorbing module 8 are made of modified asphalt-rubber composite material, exhibiting a low stress concentration coefficient. Filled with highly elastic material, these modules effectively absorb the impact force generated during athletic activity, enhancing the comfort and safety of the track. They disperse and absorb stress transmitted from the track surface, reducing stress concentration and preventing impact on the underlying structure, thus avoiding cracks and damage to the track structure caused by stress concentration.

[0037] The runway is symmetrically equipped with limiting connectors 12 at both ends along its width. The limiting connectors 12 are rigid components and are located below the bottom surface of the skeleton connection layer 4. They are used to define the relative positions from the reinforcing mesh layer 5 to the hydrophobic layer 9 in the horizontal direction and ensure their stress dispersion performance and the tightness of the connection between corresponding layers. The lower section of the limiting connector 12 is inserted into the prefabricated installation structure layer 10 and the concrete base layer 11. The upper middle section of the limiting connector 12 protrudes horizontally towards one side of the runway to form a first reinforcing rib 121. The limiting connectors 12 on both sides are symmetrically arranged, and the first reinforcing ribs 121 on both sides are pressed against the sides of the reinforcing mesh layer 5 to the hydrophobic layer 9. The top of the first reinforcing rib 12 is recessed to form an installation groove 122. The two sides of the reinforcing mesh layer 5 extend horizontally outward to form downward protruding installation blocks 51. The installation blocks 51 match the installation groove 122 and can be interference-fitted into the installation groove 122 for installation. Furthermore, the top and bottom of the mounting groove 122 are provided with rebound ribs 13. The rebound ribs 13 are located on the end face of the limiting connector 12 in contact with the reinforcing mesh layer 5. The rebound ribs 13 have strong elasticity, which is conducive to the strong mesh layer 5 rebounding relative to the limiting connector 12 when the runway is under pressure.

[0038] The hydrophobic layer 9 is flush with the outer surface of the runway. Made of expanded clay composite material, it possesses hydrophobic properties and can, to some extent, prevent pressure damage to the concrete base layer 11. The sidewalls of the hydrophobic layer 9 are also connected to drainage pipes 14. The end of the drainage pipe 14 furthest from the hydrophobic layer 9 passes through a corresponding limiting connector 12 and connects to the drainage ditch beside the runway. The main function of this layer is to promptly drain accumulated water from the runway, ensuring its normal operation even in humid conditions.

[0039] The prefabricated installation structure layer 10 is a rigid structure made of a composite of cement board, gypsum board, and terracotta board, serving as a base support for the layers above it. Several downward-protruding second reinforcing ribs 101 are formed on the bottom surface of the prefabricated installation structure layer 10. When the prefabricated installation structure layer 10 is installed above the concrete base layer 11, the second reinforcing ribs 101 are embedded within the concrete base layer 11. The prefabricated installation structure layer 10 serves to connect the upper components, securely combining other functional layers of the runway through a specific installation method, while facilitating component installation during construction and partial replacement during later maintenance.

[0040] The concrete base layer 11, which serves as the foundation load-bearing part of the runway, is pre-cast using high-strength concrete.

[0041] In practical use, the various structural layers and auxiliary structures of the durable hybrid running track work together to provide users with a high-quality experience and ensure the long-term stability of the track. When athletes exercise on the track, the first layer 1, the wear-resistant layer, effectively resists the frequent friction between the sole of the shoe and the surface of the track due to its highly wear-resistant material, reducing surface wear and maintaining the flatness and anti-slip performance of the track. The rubber granule layer 2 provides elasticity and cushions the impact of the athlete's footsteps while increasing the friction of the track surface to prevent athletes from slipping and falling. The skeleton connection layer 4 and the reinforcing mesh layer 5 work together to provide solid structural support for the track. They bear and disperse the load generated by the athlete's movement, ensuring that the overall structure of the track will not deform or be damaged under long-term high-intensity use. The upper stress-absorbing module 6 in the rebound filling layer 7 can disperse and absorb the stress transmitted from the track surface, while the lower stress-absorbing module 8 can dissipate the stress on the rebound filling layer 7 itself, avoiding stress concentration that could lead to cracks or damage in the various layers of the track structure. In case of rain, the water on the runway surface will quickly gather through the water channel 15 on the wear-resistant layer 1 and be discharged to both sides. The water-repellent layer 9 can disperse the water on the ground surface. The water is discharged through the drainage pipe 14 to the drainage ditch next to the runway to prevent the water from soaking the runway for a long time, avoid the aging of the runway material due to water erosion, and ensure the stability of the base structure. The limiting connectors 12 installed on both sides of the runway tightly restrict the relative displacement between the layers, ensure that the layers of the runway are tightly connected, and maintain the structural stability.

Claims

1. A durable hybrid running track, characterized in that, From top to bottom, it includes a wear-resistant layer (1), a rubber particle layer (2), an adhesive bonding layer (3), a skeleton bonding layer (4), a reinforcing mesh layer (5), a rebound filling layer (7), a hydrophobic layer (9), a prefabricated installation structure layer (10), and a concrete base layer (11). The wear-resistant layer (1) has the functions of anti-slip and high wear resistance; the rubber particle layer (2) is bonded to the surface of the skeleton connection layer (4) through the adhesive connection layer (3); the skeleton connection layer (4) and the reinforcing mesh layer (5) have high compressive strength and together play the role of skeleton support; the rebound filling layer (7) has high rebound performance and shock absorption and rebound effect; the hydrophobic layer (9) is flush with the ground outside the track; the prefabricated installation structure layer (10) is a rigid structure, which serves as a base support to support the layers above it, and also plays the role of quickly arranging the concrete base layer (11); the concrete base layer (11) serves as the basic load-bearing part of the track and is pre-cast with high-strength concrete.

2. The durable hybrid running track according to claim 1, characterized in that: The bottom surface of the reinforcing mesh layer (5), the top surface of the springy filling layer (7), the bottom surface of the springy filling layer (7), and the top surface of the hydrophobic layer (9) are all wavy, sawtooth-shaped curved surfaces; the bottom surface of the reinforcing mesh layer (5) and the top surface of the springy filling layer (7) are discontinuously connected to form several irregularly shaped first gap cavities (71), and the first gap cavities (71) are filled with upper stress-absorbing modules (6); the bottom surface of the springy filling layer (7) and the top surface of the hydrophobic layer (9) are discontinuously connected to form several irregularly shaped second gap cavities (72), and the second gap cavities (72) are filled with lower stress-absorbing modules (8).

3. A durable hybrid running track according to claim 2, characterized in that: The upper stress-absorbing module (6) and the lower stress-absorbing module (8) are made of modified asphalt-rubber mixture.

4. A durable hybrid running track according to claim 2, characterized in that: The runway is also symmetrically provided with limiting connectors (12) at both ends along its width direction; the limiting connectors (12) are rigid members and are provided below the bottom surface of the skeleton connection layer (4) to limit the relative position from the reinforcing mesh layer (5) to the hydrophobic layer (9) in the horizontal direction and ensure its stress dispersion performance and the tightness of the connection between the corresponding layers.

5. A durable hybrid running track according to claim 4, characterized in that: The lower section of the limiting connector (12) is inserted into the prefabricated installation structure layer (10) and the concrete base layer (11); the upper middle section of the limiting connector (12) protrudes horizontally towards the side of the runway to form a first reinforcing rib (121); the limiting connectors (12) on both sides are symmetrically arranged, and the first reinforcing ribs (121) on both sides press the reinforcing mesh layer (5) to both sides of the hydrophobic layer (9); the top of the first reinforcing rib (121) is recessed to form an installation groove (122), and the two sides of the reinforcing mesh layer (5) extend horizontally outward to form a downward protruding installation block (51). The installation block (51) matches the installation groove (122), and the installation block (51) can be interference-fitted into the installation groove (122) for installation.

6. A durable hybrid running track according to claim 1, characterized in that: The surface of the wear-resistant layer (1) is provided with a plurality of water guide grooves (15); the water guide grooves (15) are recessed downward relative to the surface of the wear-resistant layer (1); the water guide grooves (15) are inclined to one end along their own length, and the inclination slope does not exceed 1.5%.

7. A durable hybrid running track according to claim 1, characterized in that: The prefabricated installation structure layer (10) is made of one or more composite materials of cement board, gypsum board, and terracotta board.

8. A durable hybrid running track according to claim 1, characterized in that: The bottom surface of the prefabricated installation structure layer (10) has a plurality of downwardly protruding second reinforcing ribs (101); when the prefabricated installation structure layer (10) is installed above the concrete base layer (11), the second reinforcing ribs (101) are embedded in the interior of the concrete base layer (11).

9. A durable hybrid running track according to claim 1, characterized in that: The reinforcing mesh layer (5) is made by casting polyurethane prepolymer into a skeleton and filling its outer side and gaps with elastic material.

10. A durable hybrid running track according to claim 1, characterized in that: The skeleton connecting layer (4) is made of polyurethane adhesive composite polyurethane prepolymer and is used to bond the adhesive connecting layer (3) and the reinforcing mesh layer (5).

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