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RR71 - Friction in temporary works

Presents the results of an investigation to verify existing claimed values of static coefficient of friction and to establish practical values of the coefficient for the latest commonly used materials in temporary works. Friction tests were undertaken on 260 combinations of different materials used in temporary works, including both "dry" and saturated timber. The tests generated data for existing combinations for which no codified data exist and also generated data which could be compared with existing British and German codified data. For material combinations for which no codified data exist, the friction values obtained in the current research tended to lie between the maximum bound code values, but closer to the minimum values. Recommendations are made for code friction values for all material combinations.

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Updated 2010-03-19