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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Term of the Road Dictionary

Marshall test

Language : PIARC Road Dictionary / English
Theme : Roads Materials Material Testing
Definition : Standardized laboratory procedure to determine the resistance to viscous deformation and to failure of a hot asphalt mixture. Note: it is used for designing and testing mixtures, and consists of compacting cylindrical specimens dynamically in a steel mould at a given temperature and then subjecting them to a compression test in a special press at a given temperature. The parameters generally used to characterize the mixture are Marshall flow, stability and voids.