The Comparison between Static and Dynamic Laboratory Compaction Methods

  • Helal Al-Radi
  • Jiang Liang Wei


In engineering practice, earth construction requires suitable soil compaction, usually relating to the California Bearing Ratio which called (CBR) is a used sidelong way to estimate the shear strength and stiffness modulus of subgrade in pavement design works. For these types of soils, California Bearing Ratio could be used as a method of compaction assessment being an indicator of soil bearing capacity. Thus, a new method has been created to determine the CBR values based on the MDD and OMC values by using static CBR tests to close the gap between laboratory and field data regarding developing further to improve engineering parameter, especially for pavement design. During the last years, few comparisons had been proposed by various researchers. This study was carried out to find the comparisons CBR values between dynamic and static methods for four different types of soils that locate in Selangor, Malaysia. This study has been calculated the dynamic and static Maximum Dry Density (MDD) and Optimum Moisture content (OMC) values to use these values to determine the CBR values. Based on the results, a static CBR test shows more available results than the dynamic CBR test regarding the CBR values to get an accurate and economical design for the subgrade and pavements layers.


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How to Cite
AL-RADI, Helal; AL-BUKHAITI, KHALIL MOHAMMED; WEI, Jiang Liang. The Comparison between Static and Dynamic Laboratory Compaction Methods. Journal of Engineering and Applied Sciences, [S.l.], v. 1, n. 1, p. 34-48, apr. 2018. Available at: <>. Date accessed: 16 june 2019. doi:

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