The compacting curves of mud solidified by some curing agents, including cements, HSC301, CVC and CDK, were studied by heavy compaction tests. Based on this, prediction formulas for optimum water content and maximum dry density of solidified mud were regressed. Experimental results showed that the optimum water content of mud was increased and the maximum dry density reduced with the increasing amount of curing agent. Regression formulas were offered as a basis for the selection of mud curing agents.
According to the problem that the cohesiveness and durability of permeable asphalt pavement is poorer than common dense gradation asphalt mixtures, on the premise of improving the permeability, in order to meet the service performance and durability of permeable asphalt pavement, through the investigation of technical requirements on permeable asphalt pavement raw material in Japan and several endemic standards of China where permeable pavement technology is mature, combined with climatic characteristics in Tianjin, the technical requirements suggested values of permeable asphalt mixture suitable for Tianjin are put forward.
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