Technical Specification for Application of Ground Layer of Composite Material Sports Ground in Fujian Province (Review and Approval)

table of Contents

1 General

2 Terms

3 Basic regulations

4 Technical requirements

4.1 Material Hazardous Material Limits

4.2 Physical properties of materials

5 Design

5.1 General requirements

5.2 Runway Surface

5.3 Ball scene layer

5.4 artificial grass surface

6 Construction

6.1 General requirements

6.2 Construction Preparation

6.3 Cast-in-place surface

6.4 Prefabricated Surface

6.5 artificial grass surface

7 Acceptance

7.1 General requirements

7.2 Cast-in-place surface

7.3 Prefabricated Surface

7.4 Artificial Grass Surface

Appendix A Basic Requirements for Ground Level Management and Maintenance of Composite Sports Ground

Appendix B Sample Preparation Methods

Appendix C Determination of MOCA Content

C.1 Scope, Principles, Reagents and Instruments

C.2 Test procedure

Appendix D Determination of Short Chain Chlorinated Paraffin Content

D.1 Range, Principles, Reagents and Instruments

D.2 Test procedure

Appendix E Determination of 18 Polycyclic Aromatic Hydrocarbon Contents

E.1 Scope, Principles, Reagents and Instruments

E.2 Test procedure

Appendix F Determination of Release Rates of Hazardous Substances

F.1 Scope, principles and equipment

F.2 Test procedure

Appendix G Determination of Phthalates

G.1 Scope, Principles, Reagents and Instruments

G.2 Test procedure

Appendix H Determination of Volatile Content

Appendix J Entry Materials, Surface Inspection Project

Appendix K Synthetic Material Sports Ground Sampling Rules

This specification word description

Quoting Standard Directory

Attachment: Provisions

2 Terms

2.0.1 Synthetic material Sports ground Ground layer

The ground floor of a sports ground covered with a polymer composite material includes a track surface layer, a ball surface layer, an artificial grass surface layer, and a multi-functional activity floor surface layer.

2.0.2 release rate

The amount of harmful substances emitted into the air from the surface of the surface material per unit area or unit time.

2.0.3 Total volatile organic compounds (TVOC) total volatile organic compounds

Non-polar columns (polarity index less than 10) were analyzed with Tenax TA sampling and the retention time was the sum of the volatile organic compounds between n-hexane and n-hexadecane.

2.0.4 Content of volatile compounds

Under the conditions specified in this procedure, the content of volatiles in the measured material.

2.0.5 Volatile organic compounds volatile organic compounds (VOC)

At 101.3 kPa standard pressure, any organic compound with an initial boiling point of less than or equal to 250°C.

2.0.6 Non-solid materials

The main colloidal materials that constitute the cast-in-place surface layer include polyurethane colloidal materials, acrylate colloidal materials, and the like.

2.0.7 Solid materials solid materials

It is used to fill the in-situ castable bottom layer and the artificial grass layer with certain elastic particles or adhered to the surface of the cast-in-place surface layer through colloidal materials to play a non-slip, abrasion-resistant particle, including filling Particles, anti-skid particles and so on.
2.0.8 Polyurethane Colloid Polyurethane major ingredient

The main raw material of polyurethane (including modified polyurethane) cast-in-place surface layer is divided into single and double components.
2.0.9 Acrylate colloids acrylic based binder

The main raw material of the cast-in-place finish of acrylate (including modified acrylate).

2.0.10 artificial grass artificial turf

Imitation grass-like synthetic fibers are embedded on a woven base fabric and the back is coated with an adhesive to simulate the performance of the natural grass sports field.
2.0.11 artificial turf surface

The ground floor layered with artificial grass is filled with quartz sand and rubber particles if necessary.

2.0.12 Adhesive Adhesive

When artificial grass surface or prefabricated surface layer is used for construction, glue used for splicing and bonding of material and base layer.
2.0.13 Prefabricated roll or bulk

Prefabricated in the factory, used for the laying of polymer flooring or blocks in the ground.

2.0.14 aging resistance

Ground floor materials in sports grounds are subjected to the effects of environmental changes.
2.0.15 shock absorption

Synthetic materials, ground floor, impact mitigation performance.
2.0.16 vertical deformation

When the 20kg weight falls on the ground with a prescribed height, the force of the ground is deformed in the vertical direction.

2.0.17 anti-skidding value

The ability of the ground floor of synthetic sports grounds to resist slippage in wet conditions.
2.0.18 flame retardant flame retardance

The floor of the synthetic sports ground has the ability to prevent fire or prevent the spread of fire.

2.0.19 cast in-situ casting surface

The factory produced prepolymers and other raw materials were cast on the pavement surface at the sports venue.
2.0.20 Prefabricated surface

Pre-prepared into a roll or block at the factory, to the pavement surface of the sports venue.
2.0.21 Breathable Race Track

Usually a small amount of polymer colloid material and filler particles are mixed to form a gas-permeable primer layer, which is made of a polymer colloid main material and anti-slip particles to form a surface adhesive layer, and an integrally formed breathable composite material sports field ground layer.
2.0.22 Mixed Runway mixed

Usually made of polymer colloid main material and a small amount of filler particles made of gas-impermeable primer layer, made of polymer colloidal main material and anti-slip particles made of surface layer, the overall formation of a non-breathable composite material sports ground floor.
2.0.23 Composite runway composite

Usually, a small amount of polymer colloid material and filler particles are mixed to form a gas permeable primer layer, and the polymer colloid material is used to form a barrier layer. The polymer colloid material and the anti-slip particles form a surface adhesive layer, and the overall formation is non- Breathable synthetic sports ground floor.
2.0.24 full-plastic runway

All made of polymer colloidal materials made of gas-impermeable primer layer, made of polymer colloidal materials and anti-slip particles made of surface glue layer, the overall formation of a non-breathable composite material sports ground floor.

2.0.25 primer layer of synthetic surface

The layer of the cast-in-place surface layer in the layered structure is bonded to the base layer and is formed by mixing the colloidal main material and the filler particles and curing.
2.0.26 Upper layer of synthetic surface

The upper layer of the cast-in-place surface layer structure laid in layers is formed by mixing the colloidal main material and anti-slip particles and curing.

3 Basic regulations

3.0.1 The material selection and design of the ground floor of the composite sports ground shall comply with the current national standard "Composite Runway Surface Layer" GB/T 14833, "Requirements and testing methods for artificial material sports grounds Part 2: Tennis courts" GB/T 20033.2, “Requirements and testing methods for use of artificial materials for sports venues - Part 3: Artificial grass surface for football fields” GB/T 20033.3, Technical Specifications for Sports Facilities in Primary and Secondary Schools JGJ/T 280, Artificial Grass for Sports GB/T 20394, "Sports Ground Requirements and Methods for Use - Part 6: Track and Field" GB/T 22517.6, "Sports Equipment and Venues for Primary and Secondary Schools Part 11: Synthetic Material Surface Courses" GB/T 19851.11, Technical Requirements for Urban Community Sports Facilities 》JG/T 191, "Sports Building Design Code" JGJ 31 and so on.

3.0.2 Synthetic materials The ground floor of sports grounds shall be borne by design agencies with design qualifications and corresponding performance.

3.0.3 The entity responsible for the construction of the ground layer of the composite material sports ground shall have the general contracting for the construction of municipal public works or the general contracting qualification for construction.

3.0.4 The materials used in the ground layer of the composite sports ground should meet the requirements of the relevant national and Fujian standards. They should meet the requirements of environmental protection and should not cause harmful effects to the human body, living organisms and the environment. The use of products that the country has ordered to phase out is strictly prohibited.

3.0.5 The entry material shall have quality certification documents such as product certification, factory inspection report, etc.; the materials to be prepared on site shall be determined by the manufacturer's test, and the mix ratio determined by the test shall not be arbitrarily changed. It is not allowed to add any materials other than the recipe at the construction site.

3.0.6 Organic materials should be stored in a cool, dry, ventilated place away from fire and heat sources. Open storage and exposure to sunlight are not allowed. The storage temperature should be 5°C to 35°C; inorganic materials should be stored in dry, ventilated, free from Wet rain place.

3.0.7 The construction safety shall comply with the relevant provisions of the current industry standard "Safety Inspection Standards for Building Construction" JGJ 59; the construction environmental protection shall comply with relevant regulations of the current industry standard "Environment and Sanitary Standards for Construction Sites" JGJ 146.

3.0.8 The management and maintenance of the ground floor of the composite sports ground shall comply with the requirements of Appendix A of this regulation. The warranty period for the maintenance of the ground floor of the composite sports ground shall not be less than 5 years. The warranty should include blistering, cracking, delamination, turf perimeters, and open seams, grass tufts, etc.

4 Technical requirements

4.1.1 Synthetic materials The limits of harmful substances on the ground floor of sports grounds shall meet the requirements of Table 4.1.1.

Table 4.1.1 Limits of harmful substances on the floor of synthetic sports grounds

Continued from Table 4.1.1

Note: 1 The ground floor of the composite sports ground includes cast-in-place surface, prefabricated surface and artificial grass surface.

2 The minimum detectable content of benzene was 0.02 g/kg, and the minimum detectable content of free toluene diisocyanate (TDI) was 0.10 g/kg.

3 The lowest detection release rate of benzene was 0.005 mg/m2·h.

The specific names of the 4 phthalate ester compounds are given in Appendix G, and the specific names of the 18 PAHs are given in Appendix E.

5 free synthetic surface layer of toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI) and 3,3'-dichloro-4,4'-diaminodiphenylmethane (MOCA) only for polyurethane colloidal materials Testing.

6 The vinyl chloride monomer in the polyvinyl chloride surface layer is limited to the PVC surface material.

4.1.2 The limit of harmful substances in non-solid materials shall meet the requirements of Table 4.1.2.

Table 4.1.2 Limits of harmful substances in non-solid raw materials

Note: 1 The minimum detectable content of benzene is 0.02 g/kg.

See Appendix G for specific names of 26 phthalate ester compounds.

3 If the product specifies the dilution ratio or the product has a two-component or multi-component composition, it should be mixed according to the product's stated construction ratio. After stirring evenly, it should be tested in a closed container for 1 hour, such as the use of thinner. When the amount is within a certain range, it should be mixed according to the recommended maximum dilution.

4.1.3 The limits of hazardous substances in solid materials shall meet the requirements of Table 4.1.3.

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