Frontiers in Built Environment, 09 Dec. 2021, Peer-reviewed
A Simple Critical Response Evaluation Method for Base-Isolation Building-Connection Hybrid System Under Double Impulse as Representative of Near-Fault Ground Motion
Critical response of nonlinear base-isolated building considering soil-structure interaction under double impulse as substitute for near-fault ground motion
Critical earthquake response of elastic-plastic structures with nonlinear viscous damping under double impulse as substitute for near-fault ground motion
Stethoscope-like smart sensing for system identification of building frames
I. Takewaki; K. Fujita
Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016, 2016
Robust optimal placement of dampers in structures with set-back and eccentricity using sensitivity analysis for integrated transfer function
20194 Robustness Evaluation Method of Seismic Pile Stress Considering Uncertainty of Soil Properties : Part 1:Application of Uncertainty Analysis Method to Robustness Evaluation of Seismic Pile Stress
KOJIMA Kotaro; OKADA Tatsuya; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, Jan. 2015
20195 Robustness Evaluation Method of Seismic Pile Stress Considering Uncertainty of Soil Properties : Part 2:Application of Uncertainty Analysis Method to Different Soil Property Variations
OKADA Tatsuya; KOJIMA Kotaro; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, Jan. 2015
STIFFNESS IDENTIFICATION of BUILDING with UNKNOWN VIBRATION SOURCE USING BENDING-SHEAR MODEL and ARX MODEL
Minami Shirono; Kohei Fujita; Izuru Takewaki
Journal of Structural and Construction Engineering, 2015, Peer-reviewed
20160 System identification of shear building using vibration data at consecutive floors and ARX model : Part 2: Verification of identified stiffness reliability
FUJITA Kohei; IKEDA Ayumi; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, Jan. 2014
20219 Optimal damper placement using oil, hysteretic steel and inertial mass dampers : Part 1: Evaluation of response sensitivity for hysteretic dampers using variable adaptive step length
IMAGE-BASED MONITORING SYSTEM FOR CONCEALED SUSPENDED PIPING IN BUILDINGS: Verification in shaking table testing of a full-scale steel frame with hospital functionality
Application of Image Monitoring System for Piping in Building to 4-Story Steel Structural Frame: Part2: Estimation of Maximum Displacement of Suspended Piping using Image Motion Analysis
藤田皓平; 榊原由理江; 河又洋介; 倉田真宏
日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 2021
Application of Image Monitoring System for Piping in Building to 4-Story Steel Structural Frame: Part1: Estimation of Residual Deformation of Suspended Piping using Image Analysis
榊原由理江; 藤田皓平; 河又洋介
日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 2021
E-Defense Shake Table Test of Steel Hospital building: Part I: Test Plan
Numerical analysis of earthquake response of elevated water-storage tank with piping on unanchored foundation based on full-scale shaking table tests
久保慶祐; 松原優輝; 小島紘太郎; 金尾伊織; 藤田皓平; 倉田真宏; 河又洋介
日本建築学会大会学術講演梗概集・建築デザイン発表梗概集(CD-ROM), 2021
Full-scale shaking table tests of pipes and water storage tanks equipped on steel disaster-base hospital under long-period, long-duration earthquake ground motion (Part 2: Acceleration of equipped piping system)
Full-scale shaking table tests of pipes and water storage tanks equipped on steel disaster-base hospital under long-period, long-duration earthquake ground motion (Part 1: Overview of shaking table tests and damages to piping system and tanks)
Summaries of technical papers of annual meeting, 12 Sep. 2014
20158 Stiffness identification of building and ground using a few earthquake records and a model with extended DOF
KOYAMA Ryuji; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, 12 Sep. 2014
20159 System identification of shear building using vibration data at consecutive floors and ARX model : Part 1: Application to ambient vibration data
IKEDA Ayumi; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, 12 Sep. 2014
20160 System identification of shear building using vibration data at consecutive floors and ARX model : Part 2: Verification of identified stiffness reliability
FUJITA Kohei; IKEDA Ayumi; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, 12 Sep. 2014
20162 Stiffness Identification of Building With Unknown Vibration Source
SHIRONO Minami; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, 12 Sep. 2014
20196 Simultaneous Determination of Effective Building Strengthening and Passive Damper Allocation for Improving Earthquake Performance
Summaries of technical papers of annual meeting, 12 Sep. 2014
20198 Mechanism of Earthquake Enegy Input to Connected Buildings Considering Soil-Structure Interaction
SAKAGUCHI Kazuhiro; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of annual meeting, 12 Sep. 2014
『Improving the Earthquake Resilience of Buildings : The Worst Case Approach』, Springer, 2012年7月(2014年日本建築学会著作賞)
竹脇 出; 藤田 皓平; Moustafa Abbas
建築雑誌, 20 Aug. 2014
2023 Unified Analysis of Kinematic and Inertial Earthquake Pile Responses via Single-input Response Spectrum Method
KOJIMA Kotaro; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 26 May 2014
2024 Simplified Earthquake Response Analysis Method for Soil-Pile System Including Liquefied Soil Layer
FUKINO Yuka; KOJIMA Kotaro; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 26 May 2014
2029 Stiffness identification of building and ground using a few earthquake records and a model with extended DOF
KOYAMA Ryuji; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 26 May 2014
2030 Story-wise system identification of shear building using ambient vibration data and ARX model
IKEDA Ayumi; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 26 May 2014
2031 Stiffness Identification of High-Rise Building With Unknown Vibration Source Using Bending-Shear Model and ARX Model
SHIRONO Minami; FUJITA Kouhei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 26 May 2014
2045 Analysis of bound of aspect ratio of base-isolated buildings considering nonlinear behavior of rubber bearing and influence of direction of seismic input
Summaries of technical papers of annual meeting, 30 Aug. 2013
20217 Simple design method of oil damper based on the distribution of optimal damping force limit ratio and the evaluation method of maximum damping force of liner damper
Summaries of technical papers of annual meeting, 30 Aug. 2013
20219 Optimal damper placement using oil, hysteretic steel and inertial mass dampers : Part 1: Evaluation of response sensitivity for hysteretic dampers using variable adaptive step length
Summaries of technical papers of annual meeting, 30 Aug. 2013
20220 Optimal damper placement using oil, hysteretic steel and inertial mass dampers : Part 2: Optimal damper placement method in terms of cost ratios among different dampers
Simple design method of oil damper based on the distribution of optimal damping fbrce limit ratio and the evaluation method of maximum damping force of liner damper
Optimal damper placement using oil, hysteretic steel and inertial mass dampers : Part 1:Evaluation of response sensitivity for hysteretic dampers using variable adaptive step length
Optimal damper placement using oil, hysteretic steel and inertial mass dampers : Part 2:Optimal damper placement method in terms of cost ratios among different dampers
20109 Robustness Evaluation for Earthquake Response of Base-isolated Building under Uncertain Structural Parameters
FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2011
H^∞ Optimization in Damper Placement for Interstory Control of Bending-shear Building Model
2013 H^∞ Optimization in Damper Placement for Interstory Control of Bending-shear Building Model
YAMAMOTO Kaoru; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 25 May 2011, Peer-reviewed
20184 Optimal Viscoelastic Damper Placement for Structures Subjected to Variable Critical Excitation
FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2010
20185 H^∞ Optimization in Damper Placement for Interstory-drift and Acceleration Control of Building Structures
YAMAMOTO Kaoru; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2010
20185 H^∞ Optimization in Damper Placement for Interstory-drift and Acceleration Control of Building Structures
YAMAMOTO Kaoru; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2010, Peer-reviewed
20184 Optimal Viscoelastic Damper Placement for Structures Subjected to Variable Critical Excitation
FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2010, Peer-reviewed
20149 Critical Excitation Methods for Uplift of Rubber Bearings of Base-Isolated Buildings
UENO Kohei; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2009
20150 Properties of Worst Correlated Multi-component Ground Motions in View of Critical Excitation Method
FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2009
21265 Post-tensioning Damper System for Micro-vibration Reduction in Houses : Part 1 Vibration control system and experiment
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2009
21458 Uncertainty Analysis of Base-isolated Buildings with Uncertain Base-isolation Systems
YAMAMOTO Kaoru; FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 20 Jul. 2009
2011 Uncertainty Analysis of Base-isolated Buildings with Uncertain Base-isolation Systems
YAMAMOTO Kaoru; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 22 May 2009
2017 Post-tensioning Damper System for Micro-vibration Reduction in Houses : Part 1 Vibration control system and experiment
2036 Properties of Worst Correlation of Multi-input Ground Motions in View of Critical Excitation Methods
FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 22 May 2009
2037 Critical Excitation Method for Base-isolated Buildings Subjected to Horizontal and Vertical Simultaneous Inputs
UENO Kohei; FUJITA Kohei; TAKEWAKI Izuru
日本建築学会近畿支部研究報告集. 構造系, 22 May 2009
20202 New model of Multi-Component Ground Motion and it's Application to Critical Excitation Method for Long-Span Moment-Resisting Frames
FUJITA Kohei; TAKEWAKI Izuru
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 20 Jul. 2008
2054 EXPERIMENT ON SHEAR WALL USING BAMBOO ROD AND BALL
Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants, 31 Jul. 2007
2101 Critical Excitation for Rigid Block under Horizontal and Vertical Simultaneous Inputs
Reduced Model of Building Structures with High Prediction Accuracy of Displacement and Acceleration Having both Structural and Input Reduction Functions
Grant-in-Aid for Challenging Exploratory Research
Kyoto University
IZURU TAKEWAKI
From 01 Apr. 2013, To 31 Mar. 2015, Project Closed