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Frontiers of Structural and Civil Engineering

, Volume 13, Issue 6, pp 1415–1431 | Cite as

Seepage failure by heave in sheeted excavation pits constructed in stratified cohesionless soils

  • Serdar KoltukEmail author
  • Jie Song
  • Recep Iyisan
  • Rafig Azzam
Research Article
  • 18 Downloads

Abstract

In this study, experimental and numerical investigations are performed to clarify the seepage failure by heave in sheeted excavation pits in stratified cohesionless soils in which a relatively permeable soil layer (kupper) lies above a less permeable soil layer (klower) between excavation base and wall tip. It is shown that the evaluation of base stabilities of excavation pits against seepage failure by using Terzaghi and Peck’s approach leads to considerably lower critical potential differences than those obtained from the model tests. On the other hand, a relatively good agreement is achieved between the results of the model tests and the finite element (FE) analyses. Further investigations are performed by using axisymmetric excavation models with various dimensions and ground conditions, and a comparison between the results obtained from Terzaghi and Peck’s approach and finite element analyses is given.

Keywords

seepage failure by heave cohesionless stratified soil model test Terzaghi and Peck’s approach FE analysis 

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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Serdar Koltuk
    • 1
    Email author
  • Jie Song
    • 2
  • Recep Iyisan
    • 3
  • Rafig Azzam
    • 2
  1. 1.HPC AGStuttgartGermany
  2. 2.Department of Engineering Geology and HydrogeologyRWTH Aachen UniversityAachenGermany
  3. 3.Civil Engineering FacultyIstanbul Technical UniversityIstanbulTurkey

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