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Research Output 1982 2016

  • 650 Citations
  • 12 h-Index
  • 54 Article
  • 13 Conference contribution
  • 9 Chapter
  • 1 Book
2016

Numerical simulation for runout process of debris flow using depth-averaged material point method

Abe, K. & Konagai, K. 2016 Oct 1 In : Soils and Foundations. 56, 5, p. 869-888 20 p.

Research output: Contribution to journalArticle

Debris
Equations of motion
Numerical methods
Sand
Soils

Substantiation of debris flow velocity from super-elevation: a numerical approach

Rahman, M. A. & Konagai, K. 2016 Jun 27 In : Landslides. p. 1-15 15 p.

Research output: Contribution to journalArticle

Debris
Flow velocity
Earthquakes
Hazards
Vortex flow
2015

Liquefaction-induced ground subsidence extracted from Digital Surface Models and its application to hazard map of Urayasu city, Japan

Kajihara, K., Pokhrel, R. M., Kiyota, T. & Konagai, K. 2015 15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015: New Innovations and Sustainability. Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, p. 829-834 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

liquefaction
subsidence
road
earthquake
hazard

Numerical simulation of a series of flume tests with dry and wet sands by using depth averaged material point method

Abe, K. & Konagai, K. 2015 Jan 1 Geomechanics from Micro to Macro - Proceedings of the TC105 ISSMGE International Symposium on Geomechanics from Micro to Macro, IS-Cambridge 2014. Taylor and Francis - Balkema, Vol. 2, p. 971-976 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

simulation
sand
soil
sensitivity analysis
2014

Evidence of a hidden landslide slip surface beneath a mountain hamlet

Zhao, Y. & Konagai, K. 2014 Jan 1 In : Environmental Earth Sciences. 71, 10, p. 4615-4624 10 p.

Research output: Contribution to journalArticle

landslide
tunnel
damage
earthquake
geomorphological feature
2 Citations
Debris
Earthquakes
Dams
Global positioning system
Computer simulation

Introduction: Earthquake-induced landslides

Wang, F., Konagai, K., Marui, H., Mahdavifar, M. & Scrascia-Mugnozza, G. 2014 Jan 1 Landslide Science for a Safer Geoenvironment: Volume 3: Targeted Landslides. Springer International Publishing, p. 135-140 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

landslide
hazard
earthquake
methodology

Triggering mechanism of earthquake induced landslides

Kazmi, Z. A. & Konagai, K. 2014 Jan 1 Landslide Science for a Safer Geoenvironment: Volume 3: Targeted Landslides. Springer International Publishing, p. 219-224 6 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

earthquake
landslide
catastrophic event
forward modeling
slope failure
2013
1 Citations

Extracting earthquake induced Lagrangian ground displacements and their implication for source inversion analysis

Kazmi, Z. A., Konagai, K., Sekiguchi, H. & Fujita, T. 2013 May 1 In : Soil Dynamics and Earthquake Engineering. 48, p. 198-208 11 p.

Research output: Contribution to journalArticle

earthquake
fault geometry
seismograph
ground motion
rupture
5 Citations

Maps of soil subsidence for Tokyo bay shore areas liquefied in the March 11th, 2011 off the Pacific Coast of Tohoku Earthquake

Konagai, K., Kiyota, T., Suyama, S., Asakura, T., Shibuya, K. & Eto, C. 2013 Oct 1 In : Soil Dynamics and Earthquake Engineering. 53, p. 240-253 14 p.

Research output: Contribution to journalArticle

earthquake
subsidence
soil
liquefaction
coast

Surface fault rupture through a ridge in an aftershock of the 2011 tohoku earthquake

Oettle, N. K., Bray, J. D., Konagai, K. & Kelson, K. 2013 Nov 18 Geotechnical Special Publication. 231 GSP ed. p. 1581-1584 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Earthquakes
Sedimentary rocks
Numerical analysis
Engineers
2012
9 Citations

A hypothesis of the Senoumi submarine megaslide in Suruga Bay in Japan-based on the undrained dynamic-loading ring shear tests and computer simulation

Sassa, K., He, B., Miyagi, T., Strasser, M., Konagai, K., Ostric, M., Setiawan, H., Takara, K., Nagai, O., Yamashiki, Y. & Tutumi, S. 2012 Dec 1 In : Landslides. 9, 4, p. 439-455 17 p.

Research output: Contribution to journalArticle

Landslides
Ashes
Earthquakes
Silt
Sand
1 Citations

Multi-scale decomposition of Co-seismic deformation from high resolution DEMs: A case study of the 2004 mid-niigata earthquake

Zhao, Y., Konagai, K. & Fujita, F. 2012 Aug 1 In : Acta Geologica Sinica. 86, 4, p. 1013-1021 9 p.

Research output: Contribution to journalArticle

digital elevation model
tectonics
earthquake
landslide
regional geology
7 Citations

Partial breaching of Hattian Bala Landslide Dam formed in the 8th October 2005 Kashmir Earthquake, Pakistan

Konagai, K. & Sattar, A. 2012 Mar 1 In : Landslides. 9, 1, p. 1-11 11 p.

Research output: Contribution to journalArticle

Debris
Earthquakes
Landslides
Dams
Rivers

Shear plane found in the interior of soil/rock near a tunnel damaged in 2004 Niigata-Ken Chuetsu Earthquake

Zhao, Y., Tomiyasu, Y. & Konagai, K. 2012 Jan 1 Advanced Materials Research. Vol. 368-373, p. 1621-1625 5 p. (Advanced Materials Research; vol. 368-373)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Landslides
Tunnels
Earthquakes
Synthetic aperture radar
Disasters
2011
4 Citations

Breaching failure of a huge landslide dam formed by the 2005 Kashmir earthquake

Kiyota, T., Sattar, A., Konagai, K., Kazmi, Z. A., Okuno, D. & Ikeda, T. 2011 Dec 1 In : Soils and Foundations. 51, 6, p. 1179-1190 12 p.

Research output: Contribution to journalArticle

Landslides
Dams
Rain
Earthquakes
Water
1 Citations
Earthquakes
Soil
Rehabilitation
Remote Sensing Technology
History
8 Citations

Measurement of debris mass changes and assessment of the dam-break flood potential of earthquake-triggered Hattian landslide dam

Sattar, A., Konagai, K., Kiyota, T., Ikeda, T. & Johansson, J. 2011 Jun 1 In : Landslides. 8, 2, p. 171-182 12 p.

Research output: Contribution to journalArticle

Dams
Landslides
Earthquakes
Rivers
Alarm systems
2010
5 Citations

Reconnaissance investigation on the damage of the 2009 L'Aquila, Central Italy earthquake

Kawashima, K., Aydan, Ö., Aoki, T., Kishimoto, I., Konagai, K., Matsui, T., Sakuta, J., Takahashi, N., Teodori, S. P. & Yashima, A. 2010 Jul 1 In : Journal of Earthquake Engineering. 14, 6, p. 817-841 25 p.

Research output: Contribution to journalArticle

Earthquakes
2009
1 Citations

Huge landslides caused by massive earthquakes and long-lasting geotechnical risks

Kazuo, K., Jorgen, J., Shigeki, T. & Takaaki, I. 2009 Jan 1 Landslides - Disaster Risk Reduction. Springer Science and Business Media, LLC, p. 159-176 18 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

earthquake
history
Kashmir earthquake 2005
Sichuan earthquake 2008
landform
8 Citations

Kizawa tunnel cracked on 23 October 2004 Mid-Niigata earthquake: An example of earthquake-induced damage to tunnels in active-folding zones

Konagai, K., Takatsu, S., Kanai, T., Fujita, T., Ikeda, T. & Johansson, J. 2009 Feb 1 In : Soil Dynamics and Earthquake Engineering. 29, 2, p. 394-403 10 p.

Research output: Contribution to journalArticle

tunnel
earthquake
soil
rock
cross section
7 Citations

Tectonic deformation buildup in folded mountain terrains in the October 23, 2004, Mid-Niigata earthquake

Konagai, K., Fujita, T., Ikeda, T. & Takatsu, S. 2009 Feb 1 In : Soil Dynamics and Earthquake Engineering. 29, 2, p. 261-267 7 p.

Research output: Contribution to journalArticle

earthquake
tectonics
thrust fault
aftershock
aerial photograph
2008

Geological and microtremor survey, damage distribution, and reconstruction of Muzaffarabad and surroundings after the 2005 Kashmir earthquake

Konagai, K., Johansson, J., Numata, A., Takatsu, S. & Ikeda, T. 2008 Dec 1 Geotechnical Special Publication. 181 ed.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Deposits
Gravel
Earthquakes
Geomorphology
International cooperation
2007

Extracting necessary pparameters from real landslide mass for mitigating landslide disaster

Konagai, K., Johansson, J. & Numada, M. 2007 Dec 1 Progress in Landslide Science. Springer Berlin Heidelberg, p. 277-284 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

landslide
mud
viscosity
soil
shear test
19 Citations
soil
rupture
reverse fault
fault plane
compression
19 Citations

Numerical analysis of nonlinear soil-pile group interaction under lateral loads

Tahghighi, H. & Konagai, K. 2007 May 1 In : Soil Dynamics and Earthquake Engineering. 27, 5, p. 463-474 12 p.

Research output: Contribution to journalArticle

pile group
soil
finite element method
plastic
modeling

Reconnaissance report on the 2000 Tottori-ken Seibu Earthquake

Kiyono, J., Fujiwara, T., Hamada, M., Hashimoto, T., Ichii, K., Isoyama, R., Konagai, K., Miyajima, M., Murakami, H., Nakamura, S., Nozaki, T. & Taji, Y. 2007 Dec 10 In : Structural Engineering/Earthquake Engineering. 24, 1

Research output: Contribution to journalArticle

Earthquakes
Disasters
Public risks
Risk management
Dams

Reconnaissance report on the 2000 Tottori-ken Seibu Earthquake

Kiyono, J., Fujiwara, T., Hamada, M., Hashimoto, T., Ichii, K., Isoyama, R., Konagai, K., Miyajima, M., Murakami, H., Nakamura, S., Nozaki, T. & Taji, Y. 2007 Dec 1 In : Doboku Gakkai Ronbunshuu A. 63, 2, p. 374-385 12 p.

Research output: Contribution to journalArticle

Earthquakes
Disasters
Public risks
Risk management
Dams
2006
15 Citations
soil
buried structure
fault plane
dislocation
rupture

Prediction of lateral response of nonlinear soil-pile group interaction

Tahghighi, H. & Konagai, K. 2006 Dec 28 GeoCongress 2006: Geotechnical Engineering in the Information Technology Age. Vol. 2006

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Piles
Soils
2005
12 Citations

An example of landslide-inflicted damage to tunnel in the 2004 Mid-Niigata Prefecture earthquake

Konagai, K., Numada, M., Zafeirakos, A., Johansson, J., Sadr, A. & Katagiri, T. 2005 Jul 1 In : Landslides. 2, 2, p. 159-163 5 p.

Research output: Contribution to journalArticle

soil
landslide
tunnel
earthquake
damage

Application of joint time-frequency representation method in transient analysis of semi-infinite media

Farahani, A. & Konagai, K. 2005 Dec 1 3rd M.I.T. Conference on Computational Fluid and Solid Mechanics. p. 198-201 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nonlinear analysis
Transient analysis
Equations of motion
Damping
Stiffness
9 Citations

Data archives of seismic fault-induced damage

Konagai, K. 2005 Aug 1 In : Soil Dynamics and Earthquake Engineering. 25, 7-10, p. 559-570 12 p.

Research output: Contribution to journalArticle

damage
infrastructure
earthquake engineering
development project
tsunami

Simple approach to obtain ground amplification motion of surface soil deposits with a radical change of depth

Kim, D. S. & Konagai, K. 2005 Apr 1 In : Canadian Geotechnical Journal. 42, 2, p. 491-498 8 p.

Research output: Contribution to journalArticle

Soils
Deposits
Underground structures
Structural members
Seismic design
1 Citations

Special session on the 2004 Niigata-ken Chuetsu earthquake

Tatsuoka, F., Konagai, K., Kokusho, T., Koseki, J. & Miyajima, M. 2005 Dec 1 Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering: Geotechnology in Harmony with the Global Environment. Vol. 5, p. 3279-3287 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

earthquake
2004
2 Citations

Las Colinas landslide: Rapid and long-traveling soil flow caused by the January 13, 2001, El Salvador earthquake

Konagai, K., Johansson, J., Mayorca, P., Uzuoka, R., Yamamoto, T., Miyajima, M., Pulido, N., Sassa, K., Fukuoka, H. & Duran, F. 2004 Dec 1 In : Special Paper of the Geological Society of America. 375, p. 39-53 15 p.

Research output: Contribution to journalArticle

soil
landslide
earthquake
mountain
coast
2003
16 Citations

Single beam analogy for describing soil-pile group interaction

Konagai, K., Yin, Y. & Murono, Y. 2003 Apr 1 In : Soil Dynamics and Earthquake Engineering. 23, 3, p. 213-221 9 p.

Research output: Contribution to journalArticle

pile
pile group
soil
deflection
stiffness
2002
6 Citations

Observation of grain motion in the interior of a PSC test specimen by Laser-Aided Tomography

Matsushima, T., Ishii, T. & Konagai, K. 2002 Oct 1 In : Soils and Foundations. 42, 5, p. 27-36 10 p.

Research output: Contribution to journalArticle

tomography
laser
micromechanics
dilatancy
testing method
15 Citations

Simulation of nonlinear soil-structure interaction on a shaking table

Konagai, K. & Ahsan, R. 2002 Aug 19 In : Journal of Earthquake Engineering. 6, 1, p. 31-51 21 p.

Research output: Contribution to journalArticle

soil-structure interaction
soil
simulation
shaking table test
nonlinearity
2001
8 Citations

Key parameters governing the performance of soft tunnel coating for seismic isolation

Kim, D. S. & Konagai, K. 2001 Sep 1 In : Earthquake Engineering and Structural Dynamics. 30, 9, p. 1333-1343 11 p.

Research output: Contribution to journalArticle

tunnel
coating
soil
tunnel lining
seismic isolation
4 Citations

Simple evaluation of the effect of seismic isolation by covering a tunnel with a thin flexible material

Konagai, K. & Kim, D. S. 2001 Jun 1 In : Soil Dynamics and Earthquake Engineering. 21, 4, p. 287-295 9 p.

Research output: Contribution to journalArticle

tunnel
soil
earthquake
seismic isolation
coating
3 Citations

Simple formulations of ground impedance functions for rigid surface foundations

Nogami, T., Konagai, K. & Mikami, A. 2001 Jul 6 In : Soil Dynamics and Earthquake Engineering. 21, 6, p. 475-484 10 p.

Research output: Contribution to journalArticle

dynamic response
response analysis
boundary condition
11 Citations
Finite difference method
Soils
2000
11 Citations

Seismic isolation effect of a Tunnel covered with coating material

Kim, D. S. & Konagai, K. 2000 Oct 1 In : Tunnelling and Underground Space Technology. 15, 4, p. 437-443 7 p.

Research output: Contribution to journalArticle

Tunnels
Soils
Coatings
Tunnel linings
Earthquakes
7 Citations

Simple expression of the dynamic stiffness of grouped piles in sway motion

Konagai, K., Ahsan, R. & Maruyama, D. 2000 Jul 1 In : Journal of Earthquake Engineering. 4, 3, p. 355-376 22 p.

Research output: Contribution to journalArticle

stiffness
pile
damping
software
soil

Strain distributions in soils and rocks along faults

Konagai, K. 2000 Dec 1 In : International Journal for Housing Science and Its Applications. 24, 1, p. 39-46 8 p.

Research output: Contribution to journalArticle

Faulting
Rocks
Soils
1999
1 Citations

Real time control of shaking table for soil-structure interaction simulation

Konagai, K., Nogami, T., Suzuki, T., Katsukawa, T. & Mikami, A. 1999 Apr 1 In : Structural Engineering/Earthquake Engineering. 16, 1

Research output: Contribution to journalArticle

Soil structure interactions
Soils
Analog circuits
Digital signal processors
Real time control
1998
9 Citations

Analog circuit to simulate dynamic soil- structure interaction in shake table test

Konagai, K. & Nogami, T. 1998 Jul 1 In : Soil Dynamics and Earthquake Engineering. 17, 5, p. 279-287 9 p.

Research output: Contribution to journalArticle

soil-structure interaction
plane strain
model test
earthquake
simulation