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Int J Occup Saf Ergon · Jun 2018
Subjective assessments of floor slipperiness before and after walk under two lighting conditions.
- Kai Way Li, Caijun Zhao, Lu Peng, and Ai-Qun Liu.
- a School of Safety & Environmental Engineering , Hunan Institute of Technology , PR China.
- Int J Occup Saf Ergon. 2018 Jun 1; 24 (2): 294-302.
AbstractA gait experiment was performed. The participants were tested under shoes, floors, surface and lighting conditions. They gave floor slipperiness ratings before and after a gait trial. The perceived sense of slip (PSOS) was collected. It was found that the perceived floor slipperiness (PFS) before walking was affected significantly by the lighting, floor and surface conditions. Relative low PFS values were recorded under wet and detergent-contaminated conditions in the normal daylight condition as compared with those in the dimmed condition. The PFS after the gait was significantly affected by the floor and surface conditions. The PSOS was highly correlated with the PFS after trial. The regression analyses results indicated that both the coefficient of friction (COF) of the floor and lighting were primary predictors of the PFS before a gait. The COF and walking speed were the primary predictors of the PFS after a gait.
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