Akihiro Takahashi

English/Japanese

Education:

• Department of Civil Engineering, Graduate school of Science and Engineering,
  Tokyo Institute of Technology (April 1994-December 1996)
• Department of Civil Engineering, Tokyo Institute of Technology (April 1991-March 1994)

Qualifications:

• Professional Engineer in Civil Engineering (April 2009)
• DEng in Civil Engineering, Tokyo Institute of Technology (March 2002)
  (Dissertation title: `Soil-pile interaction in liquefaction-induced lateral spreading of soils')
• MEng in Civil Engineering, Tokyo Institute of Technology (March 1996)

Work experience and research areas:

• Professor, (December, 2014-)
• Associate Professor, (January, 2008-)
  Department of Civil and Environmental Engineering,
  Tokyo Institute of Technology
  • Researches related to geotechnical hazard assessment and mitigation, such as
    • Mechanical behaviour of soils subjected to internal erosion,
    • Liquefaction of non-homogeneous soil deposits,
    • Seismic performance of pile foundation,
    • Slope stabilisation.

• Senior Researcher, (July, 2004-)
  Earthquake Disaster Prevention Research Group,
  Public Works Research Institute
  • Seismic performance of pile foundation in liquefying soils.
  • Seismic performance of retaining wall.
  • Seismic retrofit techniques for levees and related facilities.

• Post Doctoral Research Associate, (August, 2002-)
  Department of Civil and Environmental Engineering,
  Imperial College London
  • Assessment of standard research sand for laboratory testing.
  • Laboratory tests on
    • natural London clay and clean sand using hollow cylinder apparatuses,
    • destructuration of London clay by swelling using direct shear box and oedometers.

• Research Associate, (December, 1996-)
  Department of International Development Engneering, Department of Civil Engineering,
  Tokyo Institute of Technology
  • Physical model tests using geotechnical centrifuges on
    • tunnelling-induced ground movement mechanisms,
    • seismic deformation characteristics of reinforced soil structures,
    • liquefaction remediation for structure damage mitigation,
    • seismic performance of pile foundation in liquefying soil,
    • dynamic soil-pile interaction in large soil movement, etc.
  • Numerical analyses on
    • dynamic soil-structure interactions by soil/water coupled three-dimensional finite element method.
      (The FE program was coded from scratch in C language.)

Completed PhD research :

• Development and practical application of lattice-frame-reinforced sheet method using mortar-filled-fabric hoses (Michitaka Okamoto, 2023)
• Experimental investigation on internal erosion and its impact on mechanical responses of gap-graded and well-graded sandy soils (Jitrakon Prasomsri, 2021)
• Study on monitoring method of old river bridge foundations by microtremor (Takenori Keyaki, 2021)
• Constitutive modeling of granular materials subjected to internal erosion (Wang Gang, 2021)
• Seismic retrofit for pile-supported bridge abutment subjected to liquefaction-induced lateral spreading (Partha Saha, 2020)
• Centrifuge modeling and reliability assessment of liquefaction mitigation techniques for shallow foundations (Ritesh Kumar, 2020)
• Performance of river levee reinforced with steel drainage pipes against flooding (Jenisha Singh, 2020)
• A study on elevated water levels in road embankments due to precipitation toward a proposal of screening method of vulnerable embankments (Hirohiko Kusaka, 2019)
• A study on evaluation of the coefficient of lateral subgrade reaction of piles and modeling of nonlinear characteristics at a wide range of displacement level (Taisuke Sanagawa, 2017)
• Study on reinforcing effects of steel pipes with blades on embankment slope (Masamichi Sawaishi, 2017)
• Experimental investigation and microscopic observation on internal erosion of cohesionless soils (Mao Ouyang, 2016)
• An experimental study of seepage-induced transport of fines in embankments (Kazuki Horikoshi, 2015)
• A study on the flexibility of asphalt concrete facing based on the case of the Yashio dam during the 2011 Touhoku Earthquake (Tomoyuki Tsukada, 2015)
• Liquefaction-induced deformation of embankments on non-homogeneous foundation (Manika Maharjan, 2015)
• Investigation on internal erosion characteristics and its mechanical consequences for saturated non-cohesive soil (Lin Ke, 2014)
• A study on the method of determining priorities for investment in mitigation of rainfall-induced slope instability (Osamu Nunokawa, 2013)

Publications:

• List of publications is here.
• You can also check ResearchGate.