Effects of hybrid turf strengthening methods on the quality and safety performance of football field turf

doi:10.11686/cyxb2022377

Abstract

Abstract:

Reinforced hybrid turf is one of the most effective turf construction technologies to improve the quality and sports performance of football field turf. Reinforced hybrid turf is divided into three types： Fiber-reinforced hybrid turf， carpet hybrid turf， and stitched hybrid turf. In this study， natural turf （control， CK）， fiber-reinforced hybrid turf （sand+0.4% coconut fibre）， carpet hybrid turf， and plant fibre hybrid turf were subjected to a long-term sustained moderate traffic treatment， and their apparent quality， playing quality， and safety performance were evaluated and compared. The three kinds of reinforced hybrid turfs performed better than did CK， but to varying degrees. The apparent quality and sports performance of the reinforced turfs were better than those of CK， indicating that reinforcement can effectively slow down the decline in the apparent quality and sports quality of turf under sustained moderate traffic. Among the various turfs， the stitched hybrid turf performed better in terms of turf coverage， turf rotation friction， and rebound performance； And the fiber hybrid turf performed better in terms of normalized difference vegetation index， turf density， turf surface hardness， and head injury criterion. Compared with CK， the carpet hybrid turf performed better in terms of turf density， rotational friction， and rebound performance， but these effects were not significant or stable. The results show that these three kinds of reinforced hybrid turf are effective solutions to improve and stabilize the apparent quality and playing quality of turf. The use of appropriate reinforced hybrid turf will ensure that turf safety performance meets the relevant international standards and requirements.

Key words: fiber reinforced hybrid turf, stitched hybrid turf, carpet hybrid turf, turf apparent quality, playing quality, safety performance

Wei-hao DOU, Gui-long SONG, Lie-bao HAN, Jia-bao CHEN, Xiao-hui YANG, Yong-qiang QIAN, Bo-kun ZOU, Yu-feng CHEN, Xiao-hong LIANG. Effects of hybrid turf strengthening methods on the quality and safety performance of football field turf[J]. Acta Prataculturae Sinica, 2023, 32(8): 104-114.

Figures/Tables 11

Table 1 Analysis of soil physical and chemical properties and particle size

理化性质Physical and chemical properties	含量Content	粒径范围Particle size （mm）	质量比Content （%）
全氮Total N （g·kg^-1）	1.4	>1.0	14.2
有效磷Available P （mg·kg^-1）	57.6	0.25~1.00	29.5
速效钾Available K （mg·kg^-1）	116.0	0.05~0.25	20.4
pH	7.3	0.02~0.05	13.8
土壤容重Soil density （g·cm^-3）	1.6	<0.02	22.1

Fig.1 Group setup diagram of test area

Fig.2 Analog trampling device and base plate

Fig.3 Effects of reinforced hybrid turfs on NDVI of turf

Fig.4 Effects of reinforced hybrid turfs on turf coverage

Fig.5 Effects of reinforced hybrid turfs on turf density

Fig.6 Effects of reinforced hybrid turfs on pivoting friction of turf

Fig.7 Effects of reinforced hybrid turfs on rebound performance of turf

Fig.8 Effects of reinforced hybrid turfs on turf hardness

Fig.9 Effects of reinforced hybrid turfs on turf HIC

Fig.10 The standardized principal component analysis （PCA） based on indicators

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[1]	Tong-rui ZHANG, Fu-cui LI, Lie-bao HAN, Yu-feng CHEN, Gui-long SONG, Ya-nan ZHANG, Jia-bao CHEN, Bin TANG, Wei-hao DOU. Effects of trampling intensity on the quality of artificial carpet hybrid turf [J]. Acta Prataculturae Sinica, 2021, 30(10): 26-40.
[2]	ZHANG Tong-rui, LI Fu-cui, LI Hui, JI Shuang-xuan, FAN Zhi-hao, CHEN Yu-feng, CHAO Yue-hui, HAN Lie-bao. Effect of carpet mesh implantation on hybrid turf stability and performance quality [J]. Acta Prataculturae Sinica, 2020, 29(8): 27-36.