The floor slipperiness is an essential property for the pedestrian safety. This study was conducted to develop the slip test apparatus to be well accorded with actual characteristics of human gait; and the correlation between RCOF (Required coefficient of friction), Rz (Surface roughness), and 3 coefficients of slip resistance (C.S.R (Coefficient of slip resistance), BPN (British pendulum number), and SCOF (Static coefficient of friction)) were analyzed. Result of the analysis revealed that the cadence, stride length, and step length were proportional to the walking speed, and the significant correlation between walking speed and RCOF was found. However, the correlation between RCOF and the other respective coefficients of slip resistance was almost unidentified thus it would be difficult to identify the actual property of floor slipperiness with the RCOF alone.
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