Comparing two methods of data collection for walkway friction measurements with a portable slip meter and a force platform [An article from: Safety Science]

Comparing two methods of data collection for walkway friction measurements with a portable slip meter and a force platform [An article from: Safety Science]
by S. Matz, R. Gronqvist
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This digital document is a journal article from Safety Science, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
The objective was to investigate how two distinct data collection procedures, raw coefficient of friction (COF) data versus averaged COF data, may affect the outcome and interpretation of statistical analysis of friction tests and thus the reliability of slip resistance assessments. A prototype portable slip meter (PSM) and a force platform (FP) were used for evaluating floor friction transients over contaminated surfaces. A one-way ANOVA was performed to estimate significant differences between the PSM and the FP using raw COF data (55 measurement points) and averaged COF data (five measurement points) respectively. For comparing the FP with the portable slip meter, the best approach is to use averaged friction data. When the portable slip meter is used independently for walkway friction measurement, either the averaged or the raw data can be used to present the test results. However, the larger sample size is always the preferred choice. Read more

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