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WANG Xiao-gang. Discussion on some problems observed in high earth-rockfill dams[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(2): 203-222. DOI: 10.11779/CJGE201802001
Citation: WANG Xiao-gang. Discussion on some problems observed in high earth-rockfill dams[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(2): 203-222. DOI: 10.11779/CJGE201802001

Discussion on some problems observed in high earth-rockfill dams

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  • Received Date: January 03, 2018
  • Published Date: February 24, 2018
  • A few key issues influencing the safety of high earth-rockfill dams are discussed, and the research progress in recent years is reviewed. The factors which influence the scale effects of coarse-grained materials are analyzed. Both the experimental tests and the numerical simulations on the custom-made granular materials, besides the back analysis of the actual deformation parameters of embankment dams are carried out to study the scale effect on deformation parameter of rockfills. Then a method is proposed to determine the on-site mechanical parameters of coarse-grained materials according to laboratory test parameters. The test methods to determine the long-term deformation characteristics of coarse-grained materials and the development of those methods are discussed. The evolution laws of rheological deformation with time are studied, and a logarithmic power
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