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Geomechanics and Engineering
  Volume 17, Number 3, February28 2019, pages 247-252

Effect of horizontal at rest pressure (Po) on elastic modulus from pressuremeter testing
Radhi M. Alzubaidi

    Modulus of deformation of soil is an essential parameter used for design analysis of foundations, despite its importance; little attention is paid to developing empirical models for predicting the sensitivity of deformation moduli to other parameters that obtained from the pressuremeter tests. Various methods of analysis used to predict the horizontal at rest pressure from pressuremeter testing (Po) ,these values showed distinctive variations ,five methods used to evaluate the values of horizontal at rest pressure, these values been used to evaluate the modulus of elasticity using three methods of analysis. The values of modulus showed distinctive increase when the values of horizontal at rest pressure increase for the same pressuremeter test ,these increases may reach to 65%. This sensitivity of the moduli to values of horizontal lead the author to propose some reliable methods of analysis for both the horizontal at rest pressure and the modulus of deformation from pressuremeter testing.
Key Words
    pressuremeter; modulus of elasticity; horizontal at rest pressure; sensitivity
Radhi M. Alzubaidi: Civil Engineering Department, University of Sharjah, Sharjah, UAE

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