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Title: Advanced measurement of sports surface system behaviour under player loading
Authors: Wang, Xinyi
Fleming, Paul R.
Forrester, Stephanie E.
Keywords: Artificial turf system
Force-deflection relationship
Stress-strain behaviour
Measurement system
Player loading
Issue Date: 2014
Publisher: © Elsevier Ltd
Citation: WANG, X., FLEMING, P.R. and FORRESTER, S.E., 2014. Advanced measurement of sports surface system behaviour under player loading. Procedia Engineering, 72, pp. 865 - 870.
Abstract: Artificial turf sport surface systems are comprised of a number of different materials. Improving the understanding of the sports surface system's response to actual player loading is important for developing enhanced products and system designs for improving play performance and durability. Previous research has tested and compared the mechanical properties of artificial turf systems with relatively simple mechanical tests intended to simulate loading from the player or ball. However, these test methods have known shortcomings in representing real in-service loading and it is often assumed a peak value of force or peak deformation is sufficient to describe the surface behaviour. Little literature exists that describes the force-deflection or stress- strain behaviour of artificial turf system under mechanical or player loading. This paper outlines methodologies developed for surface response measurement under real-time player movements including: the advanced measurement systems and data analysis methods for determining surface deflection/strain under player foot strike during a ground contact, and further evaluating the force-deflection and stress-strain relationships of the synthetic carpet-shockpad composite surface systems. The results show the ability of the surface system to accommodate the player applied loads by deforming to large strains with strong non-linearity and rate-dependent energy loss (hysteresis) in the load-unload phases. The contrast between the surface systems’ response to player loading using different shockpads is also presented and discussed. By combining these findings from the development of measurement techniques and the data analysis methods a new surface system evaluation regime is proposed for future studies into mechanical behaviour and cushioning response of artificial turf systems under player loading.
Description: This conference paper was published in a special issue of the journal Procedia Engineering. The issue comprises the Proceedings of the 2014 Conference of the International Sports Engineering Association: Engineering of Sport 10 held at Sheffield Hallam University on the 14th-17th July 2014. It is published by Elsevier as Open Access under a CC-BY-NC-ND 3.0 licence.
Version: Published
DOI: 10.1016/j.proeng.2014.06.145
URI: https://dspace.lboro.ac.uk/2134/17266
Publisher Link: http://dx.doi.org/10.1016/j.proeng.2014.06.145
ISSN: 1877-7058
Appears in Collections:Conference Papers (Civil and Building Engineering)

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