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Rock Mechanics and Rock Engineering

, Volume 52, Issue 11, pp 4807–4819 | Cite as

Coupling Taguchi and Response Surface Methodologies for the Efficient Characterization of Jointed Rocks’ Mechanical Properties

  • Mostafa AsadizadehEmail author
  • Hossein Masoumi
  • Hamid Roshan
  • Ahmadreza Hedayat
Technical Note

Introduction

Characterization of jointed rock mechanical properties has been a significant challenge in rock engineering due to its complex natural structure which consists of intact rock and discontinuities (Brady and Brown 2006). Some studies have explored the mechanical behaviour of jointed rocks from experimental viewpoint (Asadizadeh and Hossaini 2016; Asadizadeh et al. 2016; Asadizadeh and Rezaei 2019; Gehle and Kutter 2003; Ghazvinian et al. 2012, 2013; Lajtai 1969; Prudencio and Van-Sint-Jan 2007; Sarfarazi et al. 2014; Savilahti et al. 1990) and others used numerical modelling (Bahaaddini et al. 2013; Kim et al. 2007; Kulatilake et al. 1992; Sarfarazi et al. 2016; Vergara et al. 2016; Yang et al. 2016). Increase in the number of investigating parameters results in an exponential increase in the number of required experiments (Bahaaddini et al. 2016) while a decrease in the number of experiments can lead to a misunderstanding of the effects of independent parameters on the...

Keywords

Shear strength Uniaxial compressive strength Response surface methodology Taguchi technique 

List of Symbols

\(\gamma\)

Bridge step angle

L

Bridge length

JRC

Joint roughness coefficient

\(\sigma_{\text{n}}\)

Normal stress

β

Joint orientation

k

Joint persistency

d

Spacing

e

Aperture

\(\tau_{\text{n}}\)

Shear strength of jointed rock

\(\sigma_{\text{cm}}\)

Uniaxial compressive strength of jointed rock

DoE

Design of experiments

OA

Orthogonal array

RSM

Response surface methodology

ANOVA

Analysis of variance

y

Depended variable

\(\beta_{ii} , \, \beta_{ij} , \, \beta_{i} ,{\text{ and}}\;\beta_{0}\)

Regression coefficients

Notes

References

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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Mining EngineeringHamedan University of TechnologyHamedanIran
  2. 2.Department of Civil EngineeringMonash UniversityMelbourneAustralia
  3. 3.School of Minerals and Energy Resources EngineeringUNSW AustraliaSydneyAustralia
  4. 4.Department of Civil and Environmental EngineeringColorado School of MinesGoldenUSA

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