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Effect of Smear on Finite Strain Radial Consolidation for Vertical Prefabricated Drain in Compressible Soils

[+] Author Affiliations
Kuang-Hsiang Chen, Tzung-Hsun Hsieh, I.-Fan Lin

Feng Chia University, Taichung, Taiwan, R. O. C.

Paper No. PVP2003-2116, pp. 161-168; 8 pages
  • ASME 2003 Pressure Vessels and Piping Conference
  • Seismic Engineering
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4157-X
  • Copyright © 2003 by ASME


Radial consolidation equations for vertical prefabricated drain which considers the effects of drain spacing, well resistance, extension of drain above the compressible soil layer, well peripheral smear effect, and differential vertical strain between smear zone and undisturbed zone at finite strain condition are derived. Particularly, the effects of smear as well as differential vertical strain between smear zone and undisturbed zone at finite strain condition are studied for the first time. Result indicating the time required for consolidation is increased by the effect of well peripheral smear. The effect of differential vertical strain can be ignored.

Copyright © 2003 by ASME
Topics: Soil



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