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Information Journal Paper

Title

Influence of density and porosity on the estimation accuracy of uniaxial compressive strength and elasticity modules from Schmidt rebound number for limestones

Pages

  65-76

Abstract

 In the present study, the effect of Density (ρ ) and Porosity (n) on the accuracy of correlation between Uniaxial Compressive Strength (UCS) and Modulus of Elasticity (E) with Schmidt rebound hardness (HR) was investigated. For this purpose, 15 different limestones were selected and their physical (ρ , n) and mechanical (UCS, E, HR) properties were determined. In the following, simple and multivariable regression analyses based on the HR, ρ and n for estimating the UCS and E were proposed. The relationships proposed based on the statistical tests have been investigated, which indicates their appropriate accuracy. Comparison of simple and multivariate relationships shows that ρ , n play an important role in increasing the estimation accuracy of UCS and E from HR. Moreover, the results shows that when HR and ρ be used as the input parameter in the regression analysis, the value of the determination coefficient for estimating the UCS and E are 0. 88 and 0. 83, respectively. If HR and n be used as input parameters, the value of the determination coefficients for estimating the UCS and E are 0. 91 and 0. 74, respectively.

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  • Cite

    APA: Copy

    JAMSHIDI, A.. (2019). Influence of density and porosity on the estimation accuracy of uniaxial compressive strength and elasticity modules from Schmidt rebound number for limestones. NEW FINDINGS IN APPLIED GEOLOGY, 12(24 ), 65-76. SID. https://sid.ir/paper/268992/en

    Vancouver: Copy

    JAMSHIDI A.. Influence of density and porosity on the estimation accuracy of uniaxial compressive strength and elasticity modules from Schmidt rebound number for limestones. NEW FINDINGS IN APPLIED GEOLOGY[Internet]. 2019;12(24 ):65-76. Available from: https://sid.ir/paper/268992/en

    IEEE: Copy

    A. JAMSHIDI, “Influence of density and porosity on the estimation accuracy of uniaxial compressive strength and elasticity modules from Schmidt rebound number for limestones,” NEW FINDINGS IN APPLIED GEOLOGY, vol. 12, no. 24 , pp. 65–76, 2019, [Online]. Available: https://sid.ir/paper/268992/en

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