Statistical-Numerical Analysis for Pullout Tests of Ground Anchors


  • Juraj Chalmovský Dept of Geotechnics, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
  • Jan Štefaňák Dept of Geotechnics, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
  • Lumír Miča Dept of Geotechnics, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
  • Zdenek Kala Institute of Structural Mechanics, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
  • Šarūnas Skuodis Dept of Geotechnical Engineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius 10223, Lithuania
  • Arnoldas Norkus Geotechnical Research Laboratory, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius 10223, Lithuania
  • Daiva Žilionienė Dept of Roads, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius 10223, Lithuania



Finite Element Method (FEM), ground anchor displacement, high-pressure grouting, numerical analysis, statistical analysis.


The paper presents an application of statistical and numerical methods for the determination of the force-displacement curves and that of pullout capacity of prestressed grouted ground anchors installed in Miocene clay. A regression analysis of data from a database of acceptance test records for ground anchors to create has been performed, the force-displacement curve of the tested anchor corresponding to the range of loads applied for acceptance tests has been created. A linear regression model, employing the weighted least squares method and robust standard errors techniques were concluded to serve as a reliable statistical method suitable for achieving this goal. The discovered linear regression dependence then served as a lower control limit for the displacement values calculated at the anchor head applying the numerical model. A finite element model has been created to predict the behaviour of ground anchors being installed in fine-grained soils. The developed numerical model that employs Mohr-Coulomb strength criterion constitutive model evaluates the influence of high-pressure grouting by development additional radial stresses and that of an increment of fixed length diameter.


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How to Cite

Chalmovský, J., Štefaňák, J., Miča, L., Kala, Z., Skuodis, Šarūnas, Norkus, A., & Žilionienė, D. (2017). Statistical-Numerical Analysis for Pullout Tests of Ground Anchors. The Baltic Journal of Road and Bridge Engineering, 12(3), 145-153.