(8) Soil Behavior at the Particulate Scale - Aging Mechanism of Sand  
During the aging period, the process of contact force homogenization initiated by contact creep between particles ultimately leads to strengthening the soil structure and then the enhancement of associated soil properties.  
   
 
   
(8) Soil Behavior at the Particulate Scale - Aging Mechanism of Sand  
   
 
   
Publications:

  • Wang, Y.H., Xu, D., and Tsui, K.Y. (2008). “Discrete element modeling of contact creep and aging in sand,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 134, No. 9, pp. 1407-1411.

  • Gao, Y., Wang, Y.H., and Su, J.C.P. (2013). “Mechanisms of aging-induced modulus changes in sand under isotropic and anisotropic loading,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 139, No. 3, pp. 470-482.

  • Wang, Y.H. and Gao, Y. (2013). “Mechanisms of aging-induced modulus changes in sand with inherent fabric anisotropy,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 139, No. 9, pp. 1590-1603.

  • Wang, Y.H. and Gao Y. (2013). “Examining the behavior and mechanisms of structuration in sand under the K0 condition,” Granular Matter. Vol. 16, No. 1, pp. 55-68. (DOI) 10.1007/s10035-013-0457-1.

  • Tong, L. and Wang, Y.H. (2014). “DEM simulations of shear modulus and damping ratio of sand with emphasis on the effects of particle number, particle shape, and aging,” Acta Geotechnica. DOI: 10.1007/s11440-014-0331-2.

  • Wang, Y.H., Lau, Y.M., and Gao, Y. (2014). “Examining the mechanisms of sand creep using DEM simulations,” Granular Matter, DOI: 10.1007/s10035-014-0514-4.

  • Gao, Y., Wang, Y.H., and Su, J.C.P. (2015). “Experimental characterizations of the influence of fines on the stiffness of sand with inherent fabric anisotropy,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE. DOI: 10.1061/(ASCE)GT.1943-5606.0001413.

  • Wang, Y.H., Gao, Y., and Ooi, G.L. (2016). “Experimental characterizations of an aging mechanism of sands,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 142, No. 2, doi: 10.1061/(ASCE)GT.1943-5606.0001413.

  • Zhang, Z. and Wang, Y.H. (2016). “DEM modelling of aging or creep in sand based on the effects of microfracturing of asperities and evolution of microstructural anisotropy during triaxial creep,” Acta Geotechnica, DOI: 10.1007/s11440-016-0483-3.

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