Abstract
The mechanical properties of ultra-large particle size cement-stabilized macadam (CTB-50) and traditional cement stabilized macadam (CTB-30) have been tested, and the correlation between the vertical vibration compaction method (VVCM), the static pressure method (PCT), and mechanical strength of field core samples has been confirmed. The mechanical strength growth equation and mechanical strength growth model of cement-stabilized macadam are proposed and tested for dependability. Correlation between the VVCM sample and field core sample is higher, reaching up to 90%, and the gradation change after compaction is less. In addition, the correlation coefficients of the mechanical strength growth equation and mechanical strength growth model of cement stabilized macadam with the indoor test results were 97% and 92%, respectively. And the error between the simulated and test values is <14%. CTB-50 has greater mechanical strength and requires less cement content, which can reduce cement cost, reduce base cracking problems, and extend pavement service life.
Published Version
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