CN115627675A - The structure of a kind of sports field and the construction method of its plastic runway and lawn - Google Patents

Abstract

The invention relates to the technical field of sports field construction, in particular to a structure of a sports field and a construction method for a plastic runway and a lawn; the structure is a lawn structure, a drainage ditch and a plastic runway structure from the inside to the outside; the bottom layer is a plain soil base ;From bottom to top: the structure of the plastic runway is the runway base layer including the waterproof concrete layer and the fine-grained modified asphalt concrete layer, and the prefabricated environmental protection plastic layer; the lawn structure is the lawn base layer with permeable drainage pipes, artificial turf layer; the construction method of the plastic runway is to lay the plain soil base layer, lay the runway base layer and its waterproof concrete layer and fine-grained modified asphalt concrete layer, and lay the prefabricated environmental protection plastic layer; the construction method of the lawn is to lay the plain soil base layer, lay the Lawn base layer with permeable drains, laying artificial turf layer. The use of permeable construction environmental protection glue replaces asphalt to protect human health; the waterproof concrete layer isolates the downward erosion of water and prevents the sinking of the runway from affecting the use.

Description

The structure of a kind of sports field and the construction method of its plastic runway and lawn

technical field

The invention relates to the technical field of sports field construction, in particular to a structure of a sports field and a construction method for a plastic runway and a lawn.

Background technique

School playgrounds and outdoor playgrounds are relatively common sports fields, which are mainly used for training and competitions, and are an indispensable part of schools or cities; general sports fields mainly include an external plastic track and an internal track. lawn.

At present, the base layer of the plastic runway in the sports field generally uses a traditional cement concrete base layer or an asphalt base layer, and a plastic surface layer is laid on it. The traditional concrete base layer is difficult to construct, the flatness is difficult to control, and it is easy to sand, which will lead to insufficient bonding between the plastic surface layer and the base layer, and the bonding will not be strong, resulting in hollowing (bulging); the water on the plastic track in rainy days will Penetrating downwards, water in rainy weather will penetrate into the underground soil layer, causing the plastic runway to partially sink and affect the use; the surface temperature of the plastic runway after being exposed to the sun in summer is as high as 70°C, and high temperature will accelerate the aging of the plastic surface layer, the most important asphalt The asphalt bonding layer of the base layer is softened, and it is easy to decompose harmful gases with the plastic surface layer at high temperature, which is not conducive to human health. In rainy days, the lawn used as a football field is prone to water accumulation due to the relatively poor permeability of the foundation surface. Under the action of rain and lawn, athletes are prone to slip and be injured, which limits the use of lawn as a football field.

Contents of the invention

Aiming at the technical problems in the prior art that the plastic surface layer is easy to bulge, the plastic runway partially sinks due to heavy rain, and the foundation surface of the lawn has poor permeability and is prone to water accumulation, the invention proposes a structure of a sports field and its plastic runway and lawn construction methods.

In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a structure of a sports field, including an internal lawn structure, and a plastic runway structure around the outside of the lawn structure; the structure between the lawn structure and the plastic runway structure There is also a circle of drains; the bottom layer of the plastic runway structure and the lawn structure are plain soil bases; the plastic runway structure is also provided with a runway base layer and a prefabricated environmental protection plastic layer from bottom to top above the plain soil base ; The lawn structure is also provided with a lawn base layer and an artificial turf layer from bottom to top above the plain soil base layer; the runway base layer is successively a lime soil layer, a fly ash gravel layer, a waterproof concrete layer, and an artificial turf layer from bottom to top. A fine-grained modified asphalt concrete layer; the lawn base layer is a graded gravel layer, a reinforced geotextile and a medium-coarse sand layer from bottom to top; the graded gravel layer is provided with a permeable drainage pipe, The percolation drain extends to and communicates with the drain.

The waterproof concrete layer isolates the downward erosion of water and avoids the sinking of the runway; reduces the use of asphalt and reduces the generation of harmful gases; while the reinforced geotextile isolates the soil and sand, it ensures that the water penetrates downward and is collected by the drainage pipe Drains into gutters after rain.

Preferably, the permeable construction environmental protection adhesive is coated between the prefabricated environmental protection plastic layer and the fine-grained modified asphalt concrete layer; the artificial turf layer includes the planting soil layer and the artificial turf laid on it; the permeable construction environmental protection adhesive Tightly bond the base layer of the runway with the prefabricated environmentally friendly plastic layer to replace the role of asphalt.

Preferably, the permeable drainage pipes are arranged along the center of the lawn structure to the surroundings, and the height gradually decreases; the rainwater collection is more efficient, and the rainwater can also be prevented from stagnation and back seepage.

Preferably, a sump arranged in the same arrangement as the seepage drainage pipe is provided under the graded gravel layer, and the permeation drainage pipe is arranged in the sump.

Preferably, the lime soil layer has a volume ratio of lime to soil of 2:8.

Preferably, under the drainage ditch, along its extending direction, a plurality of water collection wells connected with the drainage ditch are evenly provided; the drainage ditch is provided with a manhole cover at least directly above the corresponding water collection well; The seepage drainage pipe in the lawn base layer flows into the drainage ditch, and then into the sump well, and the water in the sump well can be reused, such as being pumped out and poured on the overheated prefabricated environmental protection plastic layer.

The present invention also provides a construction method for a plastic runway in a sports field, which is characterized in that it comprises the following steps:

Step 1 Spread plain soil and compact it to form plain soil base;

Step 2 paving and rolling the lime soil with a volume ratio of lime and soil of 2:8 to form a lime soil layer;

Step 3 Spreading and rolling the limestone macadam to form a limestone macadam layer;

Step 4 Pouring impermeable concrete to form a waterproof concrete layer;

Step 5 laying fine-grained modified asphalt concrete to form a fine-grained modified asphalt concrete layer;

Step 6: Apply a layer of permeable construction environmental protection adhesive on the fine-grained modified asphalt concrete layer, and lay a prefabricated environmental protection plastic layer on it;

Step 7 Mark the site on the paved prefabricated environmentally friendly plastic layer and clean it up to form a plastic runway.

Preferably, in the second step, the lime soil is divided into multiple layers, and each layer is gradually spread and rolled.

The present invention also provides a kind of construction method of the lawn of sports field, comprises the following steps:

Step 1 Spread plain soil and compact it to form a plain soil base. At the same time, the water collection tanks are arranged along the center of the lawn structure to the surrounding areas;

Step 2 Set up the seepage drainage pipe in the sump, and the height of the seepage drainage pipe gradually decreases to the surrounding;

Step 3 Spreading and rolling the graded crushed stone to form a graded crushed stone layer;

Step 4 laying a layer of reinforced geotextile;

Step 5 Pave and roll medium-coarse sand to form a medium-coarse sand layer;

Step 6 Spread a layer of planting soil to form a planting soil layer, and lay artificial turf on it;

Step 7 Fill the plastic pellets and clean up the lawn.

Preferably, the plain soil is spread by a grader; the sump is shaped by a grader.

Compared with the prior art, the advantages and positive effects of the present invention are: (1) The permeable construction environmental protection adhesive tightly bonds the runway base layer and the prefabricated environmental protection plastic layer together, reduces the use of asphalt, and reduces the generation of harmful gases , to protect human health; (2) Set up a waterproof concrete layer to isolate the downward erosion of water, avoid the partial subsidence of the runway in the later stage, and affect the use; (3) The reinforced geotextile isolates soil and sand while ensuring water Smooth infiltration to the lower layer, easy to discharge; (4) The infiltration drainage pipe collects rainwater and discharges it to the drainage ditch, and then to the water collection well. The water in the water collection well can be reused, such as pumped out and poured into the overheated prefabricated environmental protection plastic layer (5) The height of the infiltration drainage pipe gradually decreases to the surroundings, which makes rainwater collection more efficient and prevents rainwater from stagnation and back seepage.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the description of the embodiments.

Fig. 1 is the top view of this sports field;

Figure 2 is a schematic diagram of the arrangement of permeate drainage pipes;

Fig. 3 is the sectional view of A-A place among Fig. 1;

Fig. 4 is a cross-sectional view at B-B in Fig. 2 .

Explanation of reference signs:

1-Plastic runway structure;

2- lawn structure; 21- sump

3-drainage ditch, 31-collection well, 32-well cover;

4 - percolation drains;

5- plain soil base;

6-runway base layer, 61-lime soil layer, 62-fly ash macadam layer, 63-waterproof concrete layer, 64-fine-grained modified asphalt concrete layer;

7-prefabricated environmental protection plastic layer, 71-permeable construction environmental protection glue;

8-lawn base layer, 81-graded gravel layer, 82-reinforced geotextile, 83-medium coarse sand layer;

9-artificial turf layer, 91-planting soil layer, 92-artificial turf.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the present invention is not limited to the specific embodiments disclosed below. limit.

Example 1

Below in conjunction with accompanying drawing 1-4, the present invention is further described, a kind of structure of sports field, comprises internal lawn structure 2, and the plastic runway structure 1 that surrounds lawn structure 2 outer laps; Described lawn structure 2 and plastic runway There is also a circle of drainage ditches 3 between the structures 1; the bottom layer of the plastic runway structure 1 and the lawn structure 2 are plain soil bases 5; the plastic runway structure 1 is above the plain soil base 5 from bottom to top A runway base layer 6 and a prefabricated environmental protection plastic layer 7 are provided; the lawn structure 2 is provided with a lawn base layer 8 and an artificial turf layer 9 from bottom to top above the plain soil base layer 5; Upwards are lime soil layer 61, fly ash macadam layer 62, waterproof concrete layer 63 and fine-grained modified asphalt concrete layer 64; the lawn base layer 8 is successively graded macadam layer 81, reinforced A geotextile 82 and a medium-coarse sand layer 83; the graded crushed stone layer 81 is provided with a permeable drainage pipe 4, and the permeable drainage pipe 4 extends to the drainage ditch 3 and communicates with the drainage ditch 3;

The waterproof concrete layer 63 is set to isolate the downward erosion of water and avoid the partial subsidence of the runway in the later stage; the use of asphalt as a sticky layer is reduced to reduce the generation of harmful gases; the reinforced geotextile 82 isolates the soil and sand at the same time, ensuring The water infiltrates downwards, and the infiltration drain pipe 4 collects the rainwater and discharges it to the gutter 3 to discharge the water.

As shown in Figure 3, permeable construction environmental protection glue 71 is coated between the prefabricated environmental protection plastic layer 7 and the fine-grained modified asphalt concrete layer 64; Artificial turf92.

As shown in FIG. 2 , the seepage drainage pipes 4 are arranged along the center of the lawn structure 2 to the surroundings, and the height gradually decreases.

As shown in FIGS. 2 and 3 , below the graded gravel layer 81 there is a sump 21 arranged in the same arrangement as the permeate drainage pipe 4 , and the permeate drainage pipe 4 is arranged in the sump 21 .

The volume ratio of lime to soil in the lime soil layer 61 is 2:8.

As shown in Figures 2 and 4, below the drainage ditch 3, along its extension direction, a plurality of water collection wells 31 communicated with the drainage ditch 3 are evenly arranged every 30m; The position directly above 31 is provided with a well cover 32; rainwater flows into the drainage ditch 3 from the permeable drainage pipe 4 in the lawn base layer 8, and then into the water collection well 31, and the water in the water collection well 31 can be reused, such as pumped out Pour on the overheated prefabricated environmental protection plastic layer 7.

Example 2

A construction method for a plastic runway in a sports field, comprising the following steps:

Step 1 Spread plain soil and compact it until the compaction reaches 90%-95%, forming plain soil base 5;

Step 2 spread and roll lime soil with a volume ratio of lime to soil of 2:8 to form a lime soil layer 61 with a thickness of about 1000 mm; specifically: first spread a layer of lime soil with a thickness of about 250 mm and compact it, repeat four times , until complete;

Step 3 Spreading and rolling the fly ash macadam to form a fly ash macadam layer 62 with a thickness of about 250mm;

Step 4 Pouring impermeable concrete to form a waterproof concrete layer 63 with a thickness of about 100mm; impermeable concrete can improve the overall rigidity of the runway while preventing water from damaging the base layer, effectively preventing water erosion and avoiding partial subsidence of the runway in the later stage;

Step 5 laying fine-grained modified asphalt concrete to form a fine-grained modified asphalt concrete layer 64 with a thickness of about 30mm;

Step 6: Apply a layer of permeable construction environmental protection adhesive 71 on the fine-grained modified asphalt concrete layer 64, and lay a prefabricated environmental protection plastic layer 7 on it, and tightly bond the runway base layer 6 and the prefabricated environmental protection plastic layer 7. Together, reduce the use of asphalt and avoid the generation of harmful gases in hot weather;

Step 7 Carry out field marking and cleaning on the paved prefabricated environmental protection plastic layer 7 to form a plastic runway.

Example 3

A construction method for a lawn in a sports field, comprising the following steps:

Step 1: Pave plain soil with a GPS grader and compact it until the compaction reaches 90%-95%, forming a plain soil base 5; at the same time, dig out a water collection tank 21 through a GPS grader, and the water collection tank 21 is along the lawn structure 2 The center of the machine is arranged around; the motor grader has two functions, saving one step;

Step 2 Set up a permeable drainage pipe 4 of model DN100PE in the sump 21, and the height of the permeable drainage pipe 4 gradually decreases to the surroundings, so that the rainwater collection is more efficient, and it can also prevent rainwater from stagnation and back seepage;

Step 3: Paving and rolling graded gravel to form a graded gravel layer 81 with a thickness of about 150mm and a maximum particle size of less than 40mm; The rainwater left from the upper layer gradually flows into the permeable drainage pipe 4 of the sump 21 in the graded crushed stone layer 81, and is discharged;

Step 4 Lay a layer of reinforced geotextile 82 to ensure that the mass of geotextile 82 per square meter is between 110-130 grams, which is used to isolate soil and sand while ensuring the smooth penetration of water to the lower layer;

Step 5 Paving and rolling medium-coarse sand to form a medium-coarse sand layer 83 with a thickness of about 100mm;

Step 6 Spread a layer of planting soil to form a planting soil layer 91 with a thickness of up to 250 mm, and lay artificial turf 92 thereon;

Step 7 Fill the plastic pellets and clean up the lawn.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention to other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or modify the equivalent of the equivalent change. The embodiments are applied to other fields, but any simple modification or equivalent change made to the above embodiments according to the technical essence of the present invention still belongs to the protection scope of the technical solutions of the present invention, as long as they do not depart from the content of the technical solutions of the present invention.

Claims (10)

1. A structure of a sports field is characterized by comprising an internal lawn structure (2) and a plastic track structure (1) which surrounds a circle of the lawn structure (2); a circle of drainage ditch (3) is also arranged between the lawn structure (2) and the plastic track structure (1);

the lowest layers of the plastic track structure (1) and the lawn structure (2) are all plain soil base layers (5); the plastic track structure (1) is also sequentially provided with a track base layer (6) and a prefabricated environment-friendly plastic layer (7) from bottom to top above the plain soil base layer (5); the lawn structure (2) is also sequentially provided with a lawn foundation layer (8) and an artificial lawn layer (9) from bottom to top above the plain soil foundation layer (5);

the runway foundation layer (6) sequentially comprises a grey soil layer (61), a second grey gravel layer (62), a waterproof concrete layer (63) and a fine grain type modified asphalt concrete layer (64) from bottom to top;

the lawn foundation layer (8) is sequentially provided with a graded gravel layer (81), reinforced geotextile (82) and a medium-coarse sand layer (83) from bottom to top;

be equipped with infiltration drain pipe (4) in level gradation gravel layer (81), infiltration drain pipe (4) extend to escape canal (3), and communicate with escape canal (3).

2. A sports ground structure, according to claim 1, characterized in that said layer of pre-fabricated environmental protection plastic (7) is coated with a permeable construction environmental protection plastic (71) between said layer of fine grain modified asphalt concrete (64);

the artificial turf layer (9) comprises a planting soil layer (91) and an artificial turf (92) laid on the planting soil layer.

3. A sports arena structure as claimed in claim 1, wherein the said percolation drain (4) is arranged along the lawn structure (2) from the centre towards the periphery and gradually decreasing in height.

4. A sports arena structure according to claim 3, characterized in that, the graded gravel layer (81) has a water collection tank (21) under it in the same arrangement as the infiltration drainage pipe (4), and the infiltration drainage pipe (4) is arranged in the water collection tank (21).

5. A sports arena structure according to claim 1, characterized in that the lime to soil volume ratio of the lime layer (61) is 2.

6. A sports arena structure according to claim 1, characterized in that, under the drainage ditch (3), along its elongation direction, there are evenly provided a plurality of water collecting wells (31) communicating with the drainage ditch (3); the drainage ditch (3) is provided with a well cover (32) at least at the position right above the corresponding water collecting well (31).

7. A construction method of a plastic track of a sports ground is characterized by comprising the following steps:

step one, paving plain soil, and tamping to form a plain soil base layer (5);

step two, paving and rolling lime soil with the volume ratio of lime to soil being 2;

thirdly, paving and rolling the lime-fly ash gravel to form a lime-fly ash gravel layer (62);

pouring impervious concrete to form a waterproof concrete layer (63);

laying fine particle type modified asphalt concrete to form a fine particle type modified asphalt concrete layer (64);

sixthly, coating a layer of permeable construction environment-friendly glue (71) on the fine particle type modified asphalt concrete layer (64), and laying a prefabricated environment-friendly plastic layer (7) on the permeable construction environment-friendly glue;

and seventhly, carrying out field scribing on the paved prefabricated environment-friendly plastic layer (7), and cleaning to form the plastic track.

8. The method as claimed in claim 7, wherein the second step is a step of dividing the soil into a plurality of layers, and paving and rolling each layer.

9. A construction method of a lawn of a sports field is characterized by comprising the following steps:

step one, paving plain soil, compacting to form a plain soil base layer (5), and digging out the water collecting tank (21) as claimed in claim 4;

step two, setting up a penetration drain pipe (4) according to claim 3 in a water collecting tank (21);

thirdly, paving and rolling graded broken stones to form a graded broken stone layer (81);

fourthly, laying a layer of reinforced geotextile (82);

fifthly, paving and rolling the medium coarse sand to form a medium coarse sand layer (83);

sixthly, paving a layer of planting soil to form a planting soil layer (91), and paving an artificial lawn (92) on the planting soil layer;

and step seven, filling plastic particles and cleaning the lawn.

10. A method as claimed in claim 9, wherein the plain soil is spread by a grader; the water collecting tank (21) is formed by modeling a land leveler.

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