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A Method to Estimate Isothermal Creep under Arbitrary Uniaxial Stress-Reversals

  • M. Partl
  • A. Rösli
Conference paper

Summary

A new and comparatively simple approximate method is described to predict the isothermal creep behaviour of a nonlinear stress dependent material with an asphalt-like structure and combined viscoelastic and viscoplastic properties under arbitrary uniaxial stress-reversals. As experimentally demonstrated on poured asphalt under different shark-tooth loading histories considering different tension and compression material properties the method leads to quite satisfactory results.

Keywords

Creep Experiment Viscoplastic Strain Uniaxial Creep Considerable Practical Interest Total Creep Strain 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    Partl, M.: Zum isothermen Kriechen eines bituminösen Mörtels unter mehrstufiger Belastung. Dissertation Nr. 7317, ETH Zürich (1983).Google Scholar
  2. 2.
    Partl, M.; Rösli, A.: Näherungsverfahren zur Berechnung der Verformungen von Asphalt unter wechselnder Zug/Druck- Kriechbeanspruchung. Bitumen 1 (1984) 8–13.Google Scholar
  3. 3.
    Partl, M.; Rösli, A.: An approximation of uniaxial creep during alternating tension - compression step loading at constant temperature. Int. J. Solids Structures 21 (1985) 235–244.CrossRefGoogle Scholar
  4. 4.
    Findley, W.N.; Lai, J.S.; Onaran, K.: Creep and relaxation of non-linear viscoelastic materials. Amsterdam: North Holland (1976).Google Scholar
  5. 5.
    Pugh, C.E.; Corum, J.M.; Liu, K.C.; Greenstreet, W.L.: Currently recommended constitutive equation for inelastic design analysis of FFTF compounds. Oak Ridge National Laboratory ORNL - TM - 3602 (1972).Google Scholar

Copyright information

© Springer Japan 1986

Authors and Affiliations

  • M. Partl
    • 1
  • A. Rösli
    • 2
  1. 1.Ametex Central Research and DevelopmentNiederurnenSwitzerland
  2. 2.lnstitut für BaustoffeWerkstoffchemie und Korrosion (IBWK), Swiss Federal Institute of TechnologyETH-Hönggerberg, ZürichSwitzerland

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