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    Prof. Jong-ho Shin
    Dept. of Civil Engineering
    Konkuk University, Korea

    Prof. Gye-Chun Cho
    Dept. of Civil & Environmental Engineering
    Korea Advanced Inst. of Sci. & Technol., Korea

Managing Editor
    Prof. Chang-Koon Choi
    Dep. of Civil & Environmental Engineering
    Korea Advanced Inst. of Sci. & Technol., Korea

 Impact factor : 1.107(2016)
ISSN: 2005-307X(Print), ISSN: 2092-6219(Online)
Vol 12/13(12 issues) for 2017, Monthly
Aims and Scope

The Geomechanics and Engineering aims at opening an easy access to the valuable source of information and providing an excellent publication channel for the global community of researchers in the geomechanics and its applications.
Typical subjects covered by the journal include:
Analytical, computational, and experimental multiscale and interaction mechanics
Computational and Theoretical Geomechnics
Earth Structures
Site Characterization
Soil-Structure Interactions
Editorial Board
Prof. Sami Oğuzhan Akbaş
Department of Civil Engineering
Gazi University, Turkey

Prof. Richard J. Bathurst
Civil Engineering Dept
Royal Military Clg. of Canada

Prof. Dennes T. Bergado
School of Eng and Tech
Asian Inst of Technol, Thailand

Prof. J.C. Chai
Department of Civil Engineering
Saga University, Japan

Prof. Deepankar Choudhury
Department of Civil Engineering
IIT Bombay, India

Prof. Yean Khow Chow
Dept of Civil Eng
Nat Univ of Singapore

Prof. Jian Chu
School of Civil and Environ Eng
Nanyang Tech Univ Singapore

Dr. G.R. Dodagoudar
Department of Civil Engineering
IIT Madras, India

Prof. Anthony T.C. Goh
School of Civil Environ Eng
Nanyang Tech Univ, Singapore

Dr. Liming Hu
Dept of Hydraulic Engineering
Tsinghua University, China

Prof. Buddhima Indraratna
School of Civil Engineering
Univ of Wollongong, Australia

Dr. Akbar Javadi
Sch of Eng Comput Math
University of Exeter, UK

Prof. Dong-Sheng Jeng
Geotechnical Engineering
Griffith University, UK

Prof. Seok Won Jeon
Sch of Civil Urban Geosystem Eng
Seoul Nat University, Korea

Prof. Takaji Kokusho
Department of Civil Engineering
Chuo University, Japan

Prof. Jyant Kumar
Civil Engineering Dept
Ind Inst of Sci, Bangalore, India

Prof. Junhwan Lee
School of Civil Environ Eng
Yonsei University, Korea

Prof. Chun Fai Leung
Dept of Civil Engineering
Nat Univ of Singapore, Singapore

Prof. Ning Lu
Department of Civil Engineering
Colorado School of Mines, USA

Prof. Bagdat Teltayev
Kazakstan Highway Res Inst

Prof. Harry G. Poulos
Geotechnical Engineering
Coffey Geotechnics, Australia

Prof. Anand J. Puppala
Dept of Civil and Environ Eng
Univ of Texas at Arlington, USA

Prof. Harianto Rahardjo
Sch of Civil and Environ Eng
Nanyang Technol Univ, Singapore

Prof. Debasis Roy
Dept of Civil Engineering
Indian Inst of Technology, India

Prof. D.N. Singh
Department of Civil Engineering
Indian Inst of Tech, Bombay, India

Prof. Kenichi Soga
Civil Engineering
Univ of Cambridge Cambridge, UK

Prof. Erxiang Song
Department of Civil Engineering
Tsinghua University, China

Prof. Abdul-Hamid Soubra
Inst de Rech en Genie Civil et Meca
Universite de Nantes, France

Prof. Yu-Hsing Wang
Department of Civil Engineering
Hong Kong Univ of Sci & Tech

Prof. Ron C.K. Wong
Dept of Civil Engineering
University of Calgary, Canada

Prof. Jun Yang
Department of Civil Engineering
Univ of Hong Kong, Hong Kong

Prof. Jian-Hua Yin
Dept of Civil Structural Eng
Hong Kong Polytechnic Univ

Prof. Z.Q. Yue
Department of Civil Engineering
Univ of Hong Kong, Hong Kong

Prof. Limin Zhang
Department of Civil Engineering
Hong Kong Univ of Sci Tech

Prof. Xiong Zhang
Dept Civil Environmental Eng
Univ of Alaska Fairbanks, USA

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7. Publication Fee
Except for open access articles, there is no page charge or article processing fee for submission and publication in this journal.

Sample issue
Volume 4, Number 1, March 2012
  • Site specific ground motion simulation and seismic response analysis for microzonation of Kolkata
    Narayan Roy and R.B. Sahu
    Abstract; Full Text (816K)

The spatial variation of ground motion in Kolkata Metropolitan District (KMD) has been estimated by generating synthetic ground motion considering the point source model coupled with site response analysis. The most vulnerable source was identified from regional seismotectonic map for an area of about 350 km radius around Kolkata. The rock level acceleration time histories at 121 borehole locations in Kolkata for the vulnerable source, Eocene Hinge Zone, due to maximum credible earthquake (MCE) moment magnitude 6.2 were generated by synthetic ground motion model. Soil investigation data of 121 boreholes were collected from the report of Soil Data Bank Project, Jadavpur University, Kolkata. Surface level ground motion parameters were determined using SHAKE2000 software. The results are presented in the form of peak ground acceleration (PGA) at rock level and ground surface, amplification factor, and the response spectra at the ground surface for frequency 1.5 Hz, 3 Hz, 5 Hz and 10 Hz and 5% damping ratio. Site response study shows higher PGA in comparison with rock level acceleration. Maximum amplification in some portion in KMD area is found to be as high as 3.0 times compared to rock level.

Key Words
synthetic ground motion; site response; time history; PGA; response spectra; amplification.

Civil Engineering Department, Jadavpur University, Kolkata, India

  • Analytical solution for undrained plane strain expansion of a cylindrical cavity in modified cam clay
    Vincenzo Silvestri and Ghassan Abou-Samra
    Abstract; Full Text (1163K)

This paper presents the results of analytical and numerical analyses of the effects of performing a pressuremeter test or driving a pile in clay. The geometry of the problem has been simplified by the assumptions of plane strain and axial symmetry. Pressuremeter testing or installation of driven piles has been modelled as an undrained expansion of a cylindrical cavity. Stresses, pore water pressures, and deformations are found by assuming that the clay behaves like normally consolidated modified Cam clay. Closed-form solutions are obtained which allow the determination of the principal effective stresses and the strains around the cavity. The analysis which indicates that the intermediate principal stress at critical state is not equal to the mean of the other two principal stresses, except when the clay is initially isotropically consolidated, also permits finding the limit expansion and excess pore water pressures by means of the Almansi finite strain approach. Results are compared with published data which were determined using finite element and finite difference methods.

Key Words
undrained cylindrical expansion; plane strain; modified Cam clay; stress-strain curves; analytical and numerical analyses; comparisons.

Department of Civil, Geological, and Mining Engineering, Ecole Polytechnique, P. B. 6079, Station Centre-Ville, Montreal, Quebec, Canada H3C 3A7

  • Numerical validation of Multiplex Acceleration Model for earthquake induced landslides
    Lu Zheng*, Guangqi Chen, Kouki Zen and Kiyonobu Kasama
    Abstract; Full Text (1195K)

Due to strong ground motion of earthquake, the material in the landslide can travel a significant distance from the source. A new landslide model called Multiplex Acceleration Model (MAM) has been proposed to interpret the mechanism of long run-out movement of this type of landslide, considering earthquake behaviors on slope and landslide materials. In previous study, this model was verified by a shaking table test. However, there is a scale limitation of shaking table test to investigate MAM in detail. Thus, numerical simulation was carried out in this study to validate MAM under full scale. A huge rock ejected and A truck threw upwards by seismic force during Wenchuan Earthquake (Ms. 8.0) was discussed based on the simulation results. The results indicate that collisions in P-phase of earthquake and trampoline effect are important behaviors to interpret the mechanism of long run-out and high velocity. The results show that MAM is acceptable and applicable.

Key Words
long run-out landslides; earthquake; Multiplex Acceleration Model; trampoline effect; UDEC

Department of Civil and Structural Engineering, Kyushu University, Fukuoka, Japan

  • Effect of suction on volume change and shear behaviour of an overconsolidated unsaturated silty soil
    A.R. Estabragh and A.A. Javadi
    Abstract; Full Text (794K)

This paper presents the results of an experimental study on the effect of suction on compressibility and shear behaviour of unsaturated silty soil under various types of loading. A series of laboratory experiments were conducted in a double-walled triaxial cell on samples of a compacted silty soil. In the experiments the soil samples were subjected to isotropic consolidation followed by unloading and subsequent reloading under constant suction and prescribed overconsolidated ratio. The experimental results are presented in the context of an elasto-plastic model for unsaturated soil. The effects of suction on mechanical behaviour of unsaturated silty soil are presented and discussed. It is shown that increasing suction affects the shear behaviour of unsaturated soils, but there is a limit beyond which, further increase in suction will not result in any significant change in the behaviour.

Key Words
unsaturated soil; suction; overconsolidation ratio; triaxial cell

A.R. Estabragh : Faculty of Soil and Water Engineering, University of Tehran, PO BOX 4411 Karaj 31587-77871, Iran A.A. Javadi : Computational Geomechanics Group, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Devon, EX4 4QF, UK

  • Settlement analysis of viscoelastic foundation under vertical line load using a fractional Kelvin-Voigt model
    Hong-Hu Zhu, Lin-Chao Liu, Hua-Fu Pei and Bin Shi
    Abstract; Full Text (889K)

Soil foundations exhibit significant creeping deformation, which may result in excessive settlement and failure of superstructures. Based on the theory of viscoelasticity and fractional calculus, a fractional Kelvin-Voigt model is proposed to account for the time-dependent behavior of soil foundation under vertical line load. Analytical solution of settlements in the foundation was derived using Laplace transforms. The influence of the model parameters on the time-dependent settlement is studied through a parametric study. Results indicate that the settlement-time relationship can be accurately captured by varying values of the fractional order of differential operator and the coefficient of viscosity. In comparison with the classical Kelvin-Voigt model, the fractional model can provide a more accurate prediction of long-term settlements of soil foundation. The determination of influential distance also affects the calculation of settlements.

Key Words
soil foundation; fractional viscoelastic model; the Flamant-Boussinesq solution; settlement; Laplace transform

Hong-Hu Zhu and Bin Shi : School of Earth Sciences and Engineering, Nanjing University, Nanjing, China Lin-Chao Liu : School of Civil Engineering, Xinyang Normal University, Xinyang, China Hua-Fu Pei : Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hong Kong, China

Table of Contents
  • 2017  Volume 12      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2016  Volume 11      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2016  Volume 10      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2015  Volume 9      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2015  Volume 8      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2014  Volume 7      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2014  Volume 6      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2013  Volume 5      No. 1      No.2    No.3    No.4    No.5    No.6
  • 2012  Volume 4      No. 1      No.2    No.3    No.4
  • 2011  Volume 3      No. 1      No.2    No.3    No.4
  • 2010  Volume 2      No. 1      No.2    No.3    No.4
  • 2009  Volume 1      No. 1      No.2    No.3    No.4

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