DUAN Dan-jun,ZHA Xu-dong,ZHANG Qi-sen.Subgrade resilience modulus measuring by protable falling weight deflectometer(PFWD)[J].Journal of Traffic and Transportation Engineering,2004,4(4):10-22.
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[10]段丹军;查旭东;张起森.;应用便携式落锤弯沉仪测定路基回弹模量[J]
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