YOSHIDA Ikumasa

J-GLOBAL         Last updated: Oct 22, 2019 at 22:59
 
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Name
YOSHIDA Ikumasa
Affiliation
Tokyo City University
Section
Faculty of EngineeringDepartment of Urban and Civil Engineering
Job title
Professor

Academic & Professional Experience

 
Apr 2005
 - 
Today
Professor, Urban and Civil Engineering Dept., Tokyo City University
 
Apr 1982
 - 
Mar 2005
Tokyo Electric Services Company
 

Published Papers

 
Optimal Sampling Placement in a Gaussian Random Field Based on Value of Information
Ikumasa Yoshida, Yosuke Tasaki, Yu Otake, Stephen Wu
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering   4(3)    Sep 2018   [Refereed]
Yosuke Tasaki, Ikumasa Yoshida, Hirohito Akimoto, Naoaki Suemasa
Zairyo/Journal of the Society of Materials Science, Japan   67 190-195   Feb 2018
© 2018 The Society of Materials Science, Japan. Maintenance problem for infrastructures such as bridge, road, airport, etc., attracts keen interest in modern Japan. We have to cope with repair and maintenance for infrastructures with limited finan...
Ikumasa Yoshida, Yosuke Tasaki
Zairyo/Journal of the Society of Materials Science, Japan   67 184-189   Feb 2018
© 2018 The Society of Materials Science, Japan. Kriging, which uses theory of conditional Gaussian random field, has been widely used in geotechnical problems. Least square method and L2 norm plays an important role in the method. The concept of s...
Susumu Nakamura, Ikumasa Yoshida, Masuhiro Beppu
Journal of Earthquake and Tsunami      Jan 2018
© 2018 World Scientific Publishing Company. As a result of the disaster of nuclear power plant caused by the 2011 off the pacific coast of Tohoku Earthquake, establishment of a method to estimate the influence of slopes on the seismic safety of nu...
F. A. DiazDelaO, A. Garbuno-Inigo, S. K. Au, I. Yoshida
Computer Methods in Applied Mechanics and Engineering   317 1102-1121   Apr 2017
© 2017 Identifying the parameters of a model and rating competitive models based on measured data has been among the most important and challenging topics in modern science and engineering, with great potential of application in structural system ...

Misc

 
菅野蓮華, 森口周二, 寺田賢二郎, 林俊介, 磯部有作, 吉田郁政
計算工学講演会論文集(CD-ROM)   24 ROMBUNNO.B‐11‐03   Jun 2019
Y. Tasaki, I. Yoshida
Life-Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision - Proceedings of the 6th International Symposium on Life-Cycle Civil Engineering, IALCCE 2018   1073-1080   Jan 2019
© 2019 Taylor & Francis Group, London. Optimal inspection planning of the airport pavement is studied based on Value of Information (VoI).The authors propose the methodology for optimal inspection planning of civil engineering structures based o...
T. Shuku, I. Yoshida
Life-Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision - Proceedings of the 6th International Symposium on Life-Cycle Civil Engineering, IALCCE 2018   1067-1073   Jan 2019
© 2019 Taylor & Francis Group, London. Bayesian updating is a versatile method to update models and the parameters with observation data and enable quantitative reliability analysis for civil infrastructures. Although the particle filter (PF) is...
吉田郁政, 田崎陽介, 西村伸一, 今出和成
土木学会論文集 A2(応用力学)(Web)   75(1) 1‐11(J‐STAGE)   2019
岩瀬智恵, 大竹雄, 本城勇介, 吉田郁政
土木学会年次学術講演会講演概要集(CD-ROM)   73rd ROMBUNNO.III‐073   Aug 2018

Conference Activities & Talks

 
I. Yoshida, Y. Ohtake, Y. Honjo
Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks - Proceedings of the 8th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2016   1 Jan 2016   
© 2016 Taylor & Francis Group, London. Prediction of deterioration of infrastructures is very important for rational maintenance planning from the standpoint of Life Cycle Cost. If single deterioration curve is used to predict future condition, ...
I. Yoshida, Y. Otake, Y. Honjo
Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014   1 Jan 2015   
© 2015 Taylor & Francis Group, London. This paper proposes an efficient method to obtain optimal observation placement based on Value of Information (Vol), which can consider not only uncertainty of estimation but risk reduction or benefit obtai...
Ikumasa Yoshida
15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015: New Innovations and Sustainability   1 Jan 2015   
This paper proposes a method for optimal sampling planning, i.e., the number and placement of additional sampling for land with arbitrary shape and with existing sampling data, under the assumption of Gaussian random field with respect to a charac...
Ikumasa Yoshida
12th International Conference on Applications of Statistics and Probability in Civil Engineering, ICASP 2015   1 Jan 2015   
A Method for determining optimal observation placement in Gaussian random field is formulated based on Value of Information (VoI). The proposed method can reflect not only uncertainty but also the consequence of false decision-making. Optimal numb...
K. Takenaka, M. Akiyama, D. M. Frangopol, I. Yoshida
Bridge Maintenance, Safety, Management and Life Extension - Proceedings of the 7th International Conference of Bridge Maintenance, Safety and Management, IABMAS 2014   1 Jan 2014   
Reinforced concrete (RC) structures in a marine environment deteriorate with time due to chloride- induced corrosion of reinforcing bars. In this paper, a methodology for quantifying life-cycle reliability of RC jetties subjected to chloride attac...