|
US$369.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 30228-2013: [GB/T 30228-2013] requirements and test methods for impact attenuation of playground surfacing
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 30228-2013 | English | 369 |
Add to Cart
|
3 days [Need to translate]
|
[GB/T 30228-2013] requirements and test methods for impact attenuation of playground surfacing
| Valid |
GB 30228-2013
|
PDF similar to GB 30228-2013
Basic data | Standard ID | GB 30228-2013 (GB30228-2013) | | Description (Translated English) | [GB/T 30228-2013] requirements and test methods for impact attenuation of playground surfacing | | Sector / Industry | National Standard | | Classification of Chinese Standard | Y55 | | Classification of International Standard | 97.220.10 | | Word Count Estimation | 14,185 | | Regulation (derived from) | National Standards Bulletin 2013 No. 27 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the sports venues ground impact attenuation safety terms and definitions, classification, requirements and test methods side. This standard applies to sports venues ground. | GB 30228-2013: [GB/T 30228-2013] requirements and test methods for impact attenuation of playground surfacing
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
requirements and test methods for impact attenuation of playground surfacing
ICS 97.220.10
Y55
National Standards of People's Republic of China
Sports venues ground impact attenuation of the safety performance requirements
And test methods
Issued on. 2013-12-31
2014-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Terms and definitions 1
3 Category 2
4 requires 2
5 Test Method 2
Appendix A (normative) Measurement of reference force Fr 9
Reference 10
Foreword
Chapter 4 of this standard are mandatory, the rest are recommended.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the National Sporting Goods Standardization Technical Committee (SAC/TC291) and focal points.
This standard was drafted. Shanghai Shun Ho Technology Co., Ltd., Tianjin Niuwei Te Rubber Products Co., Ltd., Yu Taikang Physical Fitness Facilities
Manufacturing Co., Ltd, China Federation of Sporting Goods Industry, Beijing state system Century Sporting Goods Quality Certification Center, Guangzhou, with limited equipment Xinkang
The company, Intertek Testing Services Limited Shanghai, Beijing Sport University, Jiangmen City River Chemical Industrial Group Co., Ltd., Nanjing Wande tour
Music Equipment Co.
The main drafters of this standard. Xiao Peng, Shishu Juan, Houli Bo, Chen Chen, a sword chromium, Yang Hao, Ye Juanhua, Yang Baoyi, curved peak, INTEGRATED TRADITIONAL, Chen Xiaowei,
Zheng Anshun, Hu Shihui.
Sports venues ground impact attenuation of the safety performance requirements
And test methods
1 Scope
This standard specifies the site ground motion attenuation impact safety performance of the terms and definitions, classification, requirements and test methods.
This standard applies to sports venues ground.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1
Playground sports venues
To carry out the fitness, sports training and competitions provided venues.
2.2
Sports venues ground playgroundsurfacing
Shop for sports venues surface of an artificial or natural materials, also known as the stadium ground floor.
2.3
Shock attenuation impactattenuation
Sports venues ground by local deformation or displacement of features to reduce the impact of peak or peak acceleration.
2.4
The critical drop height criticalfalheight; CFH
Under test conditions, sports venues ground to meet the maximum drop height impact-attenuating properties.
2.5
Head injury evaluation value headinjurycriterion (HIC) value
Under specified test conditions, the degree of injury to infer human head by the drop impact caused during eigenvalues.
2.6
Maximum acceleration maximumacceleration
Gmax
Head impact simulation maximum acceleration to the gravitational acceleration g multiple representation.
2.7
Loose granular material looseparticulatematerial
Small, separate and distinct, they can move materials, such as. sand, gravel, wood chips, shredded rubber.
2.8
Point elastic sports venues ground point-elasticsportssurface
In the case point by force, the force point or very close to the surface of the point position deformation occurs, such as. plastic venues.
2.9
Surface elastic stadium ground floor area-elasticsportssurface
In the case of force by point, the deformation of the surface layer of a large area around the power point that occur, such as. sports wood floor venue.
2.10
Collision area impactarea
User space may fall through the collision area.
[GB 19272-2011, the definition 3.5]
Category 3
In accordance with the main purpose of sports venues ground into two categories.
Class Ⅰ. focus on safety performance sports venues ground. Such as. safety mats.
Ⅱ class. focus on sports performance sports venues ground. Such as. synthetic material runway surface, ball games and so on the ground floor.
4 Requirements
Class 4.1 Ⅰ ground
4.1.1 When playground equipment drop height greater than 600mm, the entire area should be installed with the impact of the collision damping of the sports venues
Ground, which should be greater than the critical drop height drop height facilities.
4.1.2 Impact of the Ground motion attenuation performance indicators should be consistent with the maximum acceleration (Gmax) of not more than 200g and head injury evaluation value
(HIC) is not greater than 1000.
4.2 Ⅱ class ground
Impact attenuation performance requirements shall comply with the requirements in Table 1.
Table 1 sports venues ground impact attenuation performance requirements
Number of sports venues ground impact attenuation value /%
1 Gymnasium wood Floors ≥40
2 tennis courts Synthetic surfaces 5 to 35
3 football field of artificial grass ground 55 to 70
4 ground synthetic materials runway 35-50
5 Test Methods
Class 5.1 Ⅰ ground
5.1.1 The laboratory test conditions
5.1.1.1 test sample should be (23 ± 2) ℃, relative humidity (55 ± 10)% condition for at least 48h.
5.1.1.2 the test shall be performed on a flat, hard concrete surface.
5.1.1.3 When loose granular material testing, you should use the internal dimensions of not less than 1m × 1m fixed frame, frame height should be able to meet the test
Material thickness requirements.
5.1.1.4 Assembling the surface layer consists of at least four of the total size of not less than 1m × 1m assembled block composition, and including all connections and fixed-site
element.
5.1.1.5 live production on the ground floor of the stadium can be any of the following ways to provide seamless connections or test sample.
--- Providing a test sample, the overall size of not less than 1m × 1m;
--- Provide nine test samples of not less than 500mm × 500mm each.
5.1.2 Test Equipment
5.1.2.1 Principle
Simulated head from different heights on the ground impact test, shock received by the acceleration sensor signal, the data processing to get a head loss
Injury evaluation value (HIC values) and the maximum acceleration value (Gmax value). Draw HIC value of each impulse, Gmax value and impact height curve,
Select the HIC value of 1000 and a value of 200g Gmax corresponding impact height as measured in the low ground of a critical drop height.
According to equation (1).
HIC (t1, t2) = (t2-t1)
t2-t
1∫
t2
t1
adé
êê
úút
2.
{}
max
(1)
Where.
a --- acceleration to the gravitational acceleration g multiple representation;
t1, t2 --- t1 and t2 are any two intermediate value between the start time and end time. Time in milliseconds (ms).
NOTE. In the sampling period, the sampling frequency is not lower than 8000Hz, the impact of the process lasts for more than 3ms determined HIC is an effective process, showing
Example. (t2-t1) ≥3ms.
Composition 5.1.2.2 test equipment
5.1.2.2.1 Test equipment includes an analog head with an acceleration sensor, the impact measurement system, drop height test system is schematically shown in Figure 1
As follows.
Explanation.
1 --- test sample;
2 --- simulated head;
3 --- Impact measurement systems;
4 --- computer;
5 --- acceleration sensor.
1 drop height test system diagram
5.1.2.2.2 simulation head, meet the following requirements.
--- Use material grades for 6061, aluminum alloy T6 heat treatment, processing to a diameter of 160mm ± 5mm, quality
4.6kg ± 0.05kg hemisphere;
--- Three-dimensional acceleration sensor to be mounted on the center of gravity simulation head;
--- Vega when a speed sensor is mounted with its axis coincides with the axis of the head should be simulated, the deviation should be less than 5 °;
--- Simulated head and the acceleration sensor should be closely integrated and seamless, free from vibrations and shocks.
5.1.2.2.3 When using a one-dimensional velocity sensor, there should be a guide rail analog head vertical drop.
5.1.2.2.4 impact measurement system, including the acceleration measurement system, a recording device and a head injury evaluation value (HIC) calculation program.
--- Acceleration measurement system. measurement frequency range of 0.3Hz ~ 1000Hz, the amplitude error should be less than 5%;
--- Recording apparatus, the sampling frequency is not less than 10kHz;
--- According to equation (1) calculated HIC value.
5.1.2.2.5 height measuring apparatus, the accuracy of 1mm.
5.1.2.2.6 release system, the apparatus does not produce any form of torque or force to rotate the first simulation.
5.1.3 Test Accuracy
Simulation head delivery system accuracy should be at least three times the height of the continuous drop in the same test, the resulting HIC deviation should not be large
Within ± 5%.
5.1.4 Test Procedure
5.1.4.1 acceleration - time curve inspection
In the pre-treatment and evaluation, inspection acceleration - time curve without exception, the standard acceleration - time curve shown in Figure 2. If the acceleration - time
Abnormal curve between each component should check the instrument device, in particular an acceleration sensor loose.
Explanation.
a --- acceleration;
t --- time in seconds (s);
ta --- start time, in seconds (s);
tb --- End Time, in seconds (s).
Figure 2 standard acceleration - time curve
Select the test points 5.1.4.2
5.1.4.2.1 Test sample point to the edge (or inside of the frame) is not less than 250mm, distance between any two test points is not less than 250mm,
9 were selected test points.
5.1.4.2.2 the test sample is ground when assembled, select at least nine different test points.
--- Assembly center block;
--- Two blocks assembled joint center;
--- Joints assembled the largest junction;
--- Any other point.
5.1.4.2.3 during field testing in the impact zone of the stadium facilities to select the test point, the angle between the horizontal plane and the collision area is not more than 10 °.
5.1.4.3 Laboratory Testing
5.1.4.3.1 General.
a) optionally a test point through the different heights of the impact test, the impact of highly selected HIC value of 1000 ± 100;
b) in section a) of the selected impact height at each test point bump test, select the maximum HIC value of three points as the most
Final test points;
Each chosen in c) by) the impact of this Article a selected height of 500mm and down the center of the range of two heights of this section b), select
The three test points were four different levels of impact test, to give each impact test and the HIC value Gmax value;
d) draw each test point HIC value and impact of the relationship between the height of the graph, select the HIC value of 1000 in the curve corresponding to the punch
Click height (Hc1), see Figure 3; draw Gmax value and impact of the relationship between the height of the graph for each test point, select Gmax value in the curve
200g when the corresponding impact height (Hc2), shown in Figure 4; select Hc1, Hc2 in the critical low drop height. Calculation Results
If using tail-law, retained after the decimal point one, in meters.
Explanation.
m --- a measure of the impact;
H --- impact height;
Hc --- critical drop height.
Figure 3 HIC value and impact height versus schematic
Explanation.
m --- a measure of the impact;
H --- impact height;
Hc --- critical drop height.
Figure 4 Gmax and shock value highly schematic curve
5.1.4.3.2 Test loose granular material.
a) selected from the point of not less than 250mm test frame as a test point, select a different height impact test, find the HIC value
The impact height between 1000 ± 100, each select two impact within the height range of 500mm and down the center of the
height;
b) the distribution of the material in the frame again, to reach the same thickness of the test;
c) Select the lowest value) of this section to determine a height of four, without redistribution of material from the same height
Three successive shocks;
d) redistribution of the material in the frame to achieve the same thickness of the test;
e) Select the second impact height (progressively higher) tested, not to redistribute the material, repeated three times. Repeat this process until you have
To the desired height of the selected impact test;
f) the same bulk particulate material testing different thickness, before changing the thickness of the test, remove all previously tested material from the frame
And replaced with a new material, duplicate section c) of ~ e) entry steps for testing.
5.1.4.4 Field Test
5.1.4.4.1 In addition to the bulk particulate material ground, field test methods and laboratory tests consistent methods, and then record the climatic conditions, such as
Temperature and humidity.
5.1.4.4.2 loose granular material ground field test.
a) optionally a test point through the different heights of the impact test, the impact of highly selected HIC value of 1000 ± 100, the impact
Select two each impact height within the vertical height of the center of the 500mm range;
b) Each impact height corresponds to a separate test point, the impact of three times in a row;
c) at a distance of 250mm or more other test tap) b of this Article be another level of impact testing. Repeat the above process, finished
Into four different height impact tests.
5.2 Ⅱ class ground
5.2.1 Laboratory test conditions
5.2.1.1 test sample should be (23 ± 2) ℃, relative humidity not higher than (55 ± 10)% condition for at least 48h.
5.2.1.2 Point elastic sports venues ground, the size of the test sample was 1.0m × 1.0m.
5.2.1.3 surface elastic sports venues ground, the size of the test sample was 3.5m × 3.5m.
5.2.1.4 hard, smooth, vibration-free concrete floor, its Fr value should meet the requirements of 5.2.3.4.
5.2.2 Test Equipment
5.2.2.1 test equipment, as shown in Figure 5.
Explanation.
1 --- impact hammer rail;
2 --- electromagnet;
3 --- Impact hammer;
4 --- Deck red plate;
5 --- spring;
6 --- guide tube;
7 --- force sensor;
8 --- red bottom bearing plate.
Figure 5 schematic test equipment
5.2.2.2 Impact hammer rail, guided impact hammer free fall.
5.2.2.3 impact hammer, the quality of (20 ± 0.1) kg, with a hard impact surface.
5.2.2.4 Adjustable support leg for the role of point-point elastic sports venues ground support legs and force a minimum distance of 250mm; For
Elastic sports venues ground surface, the minimum distance between the support foot and the point of force is 600mm.
5.2.2.5 force measuring device shall be the total mass (3.0 ± 0.3) kg. Cheng punch by a bottom plate, force sensors, springs, and the red disk bearing composition, specific requirements
as follows.
--- Bottom bearing plate punch diameter (70.0 ± 0.1) mm, the bottom surface of the spherical radius of 500mm, edge radius of 1mm, the minimum thickness
Degree of 10mm;
--- Force sensors, electronic filter critical frequency is 120Hz, to capture the impact of peak duration of about 10ms, the largest measuring
The amount of error of 2%;
--- Deck red disc diameter (70.0 ± 0.1) mm, a minimum thickness of 20mm (red disc on the center bearing measurement);
--- Spring diameter (69 ± 1) mm, spring rate is (2000 ± 60) N/mm, in 0.1kN ~ 7.5kN linear range.
5.2.2.6 guide tube, an inner diameter (71.0 ± 0.1) mm.
5.2.3 Test Procedure
5.2.3.1 adjust the measuring device, so that it is perpendicular to the sample. Point elastic sports venues ground, away from the edge of the center of the sample weight is not less than
20cm. Elastic sports venues ground surface, edge distance of the center of the sample weight is not less than 100cm.
5.2.3.2 adjust the height of the impact hammer, so that distance between the bottom and top of the unit load between the (55 ± 0.25) mm. Release impact hammer
Records impact during the peak impact force acting on the force measuring device. Reset within 5s of the impact hammer, so that the impact surface is next
Restored before impact.
Repeat Step 5.2.3.3 5.2.3.2 twice within (60 ± 10) s intervals, a total of three times the impact test. The second were recorded
And third shocks during peak impact, the second and third the average peak impact force as the peak impact force sample
Ft value.
5.2.3.4 If the same sample need to do further testing, the new test position and a test position has minimum distance of 100mm.
5.2.4 formula
5.2.4.1 according to equation (2) calculation of the shock attenuation value R.
R = 1-
Ft
× 100 (2)
Where.
R --- shock attenuation values;
The peak impact force Ft --- sample in Newtons (N);
Fr --- peak impact the concrete floor, in Newtons (N), see Appendix A.
5.2.4.2 The results rounded off rounding.
Appendix A
(Normative)
Measurement of reference force Fr
A.1 adjust the measurement apparatus, it is perpendicular to the concrete floor.
A.2 adjust the height of the impact hammer, so that distance between the bottom and top of the unit load between the (55 ± 0.25) mm. Release impact hammer, remember
Recorded during the impact the peak impact force acting on the force measuring device.
A.3 5.2.3.2 Repeat steps 10 times, a total of 11 impact tests. Record the peak impact from the 2nd to the 11th Impact Process
Power, 10 times the average of the peak impact force Fr as a reference value.
A.4 Fr value should be (6.60 ± 0.25) in the kN range.
A.5 every three months should be re-measured Fr value.
references
[1] ASTMF1292-09 playground equipment area floor coverings impact attenuation performance standards
[2] BSEN1177.2008 Playground floor coverings shock attenuation properties of the critical drop height test methods
[3] BSEN14808.2005 stadium ground floor impact attenuation test method performance
[4] ISO 6487.2002 Road vehicles - Impact test Testing Technology Equipment
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 30228-2013_English be delivered?Answer: Upon your order, we will start to translate GB 30228-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB 30228-2013_English with my colleagues?Answer: Yes. The purchased PDF of GB 30228-2013_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|