Journal for Numerical and Analytical Methods in Geomechanics - Papers
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Journal for Numerical and Analytical Methods in Geomechanics - Papers
#1
Journal for Numerical and Analytical Methods in Geomechanics - Requested Papers





Seismic bearing capacity of shallow foundations near rock slopes using the generalized Hoek–Brown criterion

Author: Z. Saada, S. Maghous, D. Garnier | Size: 0.25 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics Volume 35, Issue 6 | Year: 14 may 2010 | pages: 25 (724–748)

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The seismic bearing capacity of shallow foundations resting on a modified Hoek–Brown rock mass is investigated within the framework of the kinematic approach of limit analysis theory. The analysis focuses on evaluating the reduction in bearing capacity induced by seismic loading and by the proximity of a rock slope. A pseudo-static approach is adopted to account for the earthquake effects for the seismic bearing capacity evaluations. At the rock material level, the closed-form expressions previously obtained for the support functions of the rock failure criterion allow the implementation of different failure mechanisms families, and thus to derive rigorous upper bounds estimates of the load-bearing capacity in both static and seismic conditions. The effects of geometrical, strength and loading parameters are assessed through a large number of parametric computations. Finally, design tables are presented for practical use in rock engineering.

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#2
Numerical modelling of compensation grouting above shallow tunnels

Author: C. Wisser, C. E. Augarde, H. J. Burd | Size: 0.65 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics, Volume 29, Issue 5 | Year: 25 April 2005 | pages: 443–471 | ISBN: 1096-9853

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This paper describes the development of a numerical model for compensation grouting which is a useful technique for the protection of surface structures from the potentially damaging movements arising from tunnel construction. Pipes are inserted into the ground between the tunnel and the overlaying structure from an access shaft. Buildings on the surface are instrumented and movements are carefully monitored. Once the deformations exceed a certain Trigger Level, grout is injected into the ground to prevent damage. In the finite element model described here, compensation grouting is modelled by applying an internal pressure to zero-thickness interface elements embedded in the mesh. An ‘observational algorithm’ is used, where the deformations of the surface are monitored and used to control the injection process. Example analyses of compensation grouting are given for three-dimensional tunnel construction underneath a greenfield site. Different strategies are used to control the injection process and their effectiveness in preventing surface movement is assessed. The numerical model is shown to replicate general behaviour expected in the field and is capable of modelling the control of ground surface movements at a greenfield site.

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#3
A simplified analysis method for piled raft foundations in non-homogeneous soils

Author: Pastsakorn Kitiyodom, Tatsunori Matsumoto | Size: 0.395 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics Volume 27, Issue 2 | Year: February 2003 | pages: 85–109

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Numerical analysis of piled rafts

Author: G. Russo | Size: 0.235 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics Volume 22, Issue 6 | Year: June 1998 | pages: 477–493

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Analysis of piled raft systems in layered soil

Author: L. D. Ta, J. C. Small | Size: 0.581 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics Volume 20, Issue 1 | Year: January 1996 | pages: 57–72

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Analysis of piled rafts

Author: I. M. Smith, A. Wang | Size: 0.331 MB | Format: PDF | Quality: Original preprint | Publisher: International Journal for Numerical and Analytical Methods in Geomechanics Volume 22, Issue 10 | Year: October 1998 | pages: 777–790

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4 papers inside
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#4
Effective block diagonal preconditioners for Biot's consolidation equations in piled-raft foundations

Author: K.B. Chaudhary, K. K. Phoon, K. C. Toh | Size: 5.65 MB | Format: PDF | Quality: Original preprint | Publisher: Journal for Numerical and Analytical Methods in Geomechanics, Early View (Online Version of Record published before inclusion in an issue) | Year: February 2012 | pages: 22

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#5
Design of raft–pile foundation using combined optimization and finite element approach

Author: S. Valliappan, V. Tandjiria, N. Khalili | Size: 0.49 MB | Format: PDF | Quality: Original preprint | Publisher: Journal for Numerical and Analytical Methods in Geomechanics Volume 23, Issue 10 | Year: 25 August 1999 | pages: 1043–1065

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A simplified analysis method for piled raft and pile group foundations with batter piles

Author: Pastsakorn Kitiyodom, Tatsunori Matsumoto | Size: 0.33 MB | Format: PDF | Quality: Original preprint | Publisher: Journal for Numerical and Analytical Methods in Geomechanics Volume 26, Issue 13 | Year: November 2002 | pages: 1349–1369

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Elastoplastic multiphase model for simulating the response of piled raft foundations subject to combined loadings

Author: G. Hassen, P. de Buhan | Size: 0.60 MB | Format: PDF | Quality: Original preprint | Publisher: Journal for Numerical and Analytical Methods in Geomechanics Volume 30, Issue 9 | Year: 15 August 2006 | pages: 843–864

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All three papers
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#6
A Winkler model approach for vertically and laterally loaded piles in nonhomogeneous soil

Author: Hiroyoshi Hirai | Size: 0.56 MB | Format: PDF | Quality: Original preprint | Publisher: Journal for Numerical and Analytical Methods in Geomechanics Volume 36, Issue 17 | Year: 10 December 2012 | pages: 1869–1897

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