Critical Evaluation Method of Seismic Demand for Structure-ground System Based on Analysis of Earthquake Energy Flow

2008 Fiscal Year Final Research Report

• Project/Area Number: 18360264
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Building structures/materials
• Research Institution: Kyoto University
• Principal Investigator: TAKEWAKI Izuru Kyoto University, 大学院・工学研究科, 教授 (20155055)
• Co-Investigator(Kenkyū-buntansha): TSUJI Masaaki 京都大学, 大学院・工学研究科, 准教授 (00243121) ; YOSHITOMI Shinta 京都大学, 大学院・工学研究科, 助教 (30432363)
• Project Period (FY): 2006 – 2008
• Keywords: 耐震設計 / 地震エネルギー / 地震防災 / 最悪地震動 / 構造解析

Research Abstract

建築構造物の地震時の応答は地盤特性の影響を大きく受けるため、その耐震設計法を展開するには、構造物-基礎-地盤連成系の総合的なモデルを考える必要がある。本研究の目的は、構造物-基礎-地盤連成系における地震入力エネルギーについて、その入力(流れ)のメカニズムを明らかにし、想定外の地震動に対しても十分対応可能な頑強な耐震設計法を展開することにある。特に、最悪地震動を想定する独自の方法を有効に利用し、限界状態に対する余裕度を的確に設定可能な耐震設計法を展開することが可能となることを示した。

Research Products

• [Journal Article] Exact Higher-order Sensitivity and Variation of Earthquake Energy Input in Soil-Structure Interaction System (2009)
  • Author(s): A.Kishida and I.Takewaki
  • Journal Title: An International Journal of Advances in Structural Engineering Vol.9, No.5 Pages: 653-669
  • Peer Reviewed
• [Journal Article] 極限的共振正弦波外乱レベルと建築構造物の応答量の相関関係 (2008)
  • Author(s): 辻本裕之, 吉富信太, 辻聖晃, 竹脇出
  • Journal Title: 鋼構造年次論文報告集(第16回鋼構造シンポジウム) Pages: 521-528
  • Peer Reviewed
• [Journal Article] Robustness of base-isolated high-rise buildings under code-specified ground motions (2008)
  • Author(s): I.Takewaki
  • Journal Title: J.of The Structural Design of Tall andSpecial Buildings Vol.17, No.2 Pages: 257-271
  • Peer Reviewed
• [Journal Article] 水平上下同時入力地震動を受ける大スパンラーメンの断面力に対するクリティカル外乱 (2008)
  • Author(s): 藤田皓平, 竹脇出, 中村尚弘
  • Journal Title: 日本建築学会構造系論文集 第73巻, 第626号 Pages: 551-558
  • Peer Reviewed
• [Journal Article] Critical cross-correlation function of horizontal and vertical ground motions for uplift of rigid block (2008)
  • Author(s): K.Fujita, S.Yoshitomi, M.Tsuji and I.Takewaki
  • Journal Title: Engineering Structures Vol.30, No.5 Pages: 1199-1213
  • Peer Reviewed
• [Journal Article] Closed-form Sensitivity of Earthquake Input Energy toSoil-structure Interaction System (2007)
  • Author(s): I.Takewaki
  • Journal Title: Journal of Engineering Mechanics, ASCE Vol.133, No.4 Pages: 389-399
  • Peer Reviewed
• [Journal Article] Earthquake Input Energy to Two Buildings Connected by Viscous Dampers (2007)
  • Author(s): I.Takewaki
  • Journal Title: Journal of Structural Engineering, ASCE Vol.133, No.5 Pages: 620-628
  • Peer Reviewed
• [Journal Article] 連結制震ダンパーを有する構造物群へ入力される地震エネルギーの基本特性 (2007)
  • Author(s): 竹脇出, 辻聖晃
  • Journal Title: 日本建築学会構造系論文集 第616号 Pages: 81-87
  • Peer Reviewed
• [Journal Article] Analysis of Earthquake Energy Input in Soil-pile-structure System with Uncertain Soil Parameter (2007)
  • Author(s): A.Kishida and I.Takewaki
  • Journal Title: An International Journal of Advances in Structural Engineering Vol.10, No.3 Pages: 229-244
  • Peer Reviewed
• [Journal Article] Probabilistic Critical Excitation Method for Earthquake Energy Input Rate (2006)
  • Author(s): I.Takewaki
  • Journal Title: Journal of Engineering Mechanics, ASCE Vol.132, No.9 Pages: 990-1000
  • Peer Reviewed
• [Journal Article] EarthquakeInput Energy to Tall and Base-isolated Buildings in Time and Frequency Dual Domains
  • Author(s): I.Takewaki and K.Fujita
  • Journal Title: J.of The Structural Design of Tall and Special Buildings (in press)
  • Peer Reviewed
• [Presentation] Critical excitation method for moment-resisting frames subjected to horizontal and vertical simultaneous impulsive inputs (2008)
  • Author(s): K.Fujita and I.Takewaki
  • Organizer: Proc.of International Symposium on Structures under Earthquake, Impact, and Blast Loading(IB08)
  • Place of Presentation: Osaka Univ.
  • Year and Date: 2008-10-10
• [Presentation] Critical excitation methods for important structures (2008)
  • Author(s): I.Takewaki
  • Organizer: invited as a Semi-Plenary Speaker, EURODYN 2008
  • Place of Presentation: Southampton, England
  • Year and Date: 2008-07-07
• [Book] Taylor & Francis (2009)
  • Author(s): I.Takewaki and A.Kishida
  • Publisher: EfficientAnalysis of Buildings with Grouped Piles for Seismic Stiffness and Strength Design, Chapter 8(pp281-308)in John Bull(ed.)'Linear and Nonlinear Numerical Analysis of Foundations'
• [Book] Fundamental Properties on Earthquake Input Energy to Single and Connected Building Structures, A chapter in DEVELOPING TRENDS INSEISMIC DESIGN OF STRUCTURES(Nikos DLagaros, Yiannis Tsompanakis & Manolis Papadrakakis(edited)) (2009)
  • Author(s): I.Takewaki
  • Publisher: Saxe-Coburg Publisher(to appear)
• [Book] Chapter 19 (2008)
  • Author(s): I.Takewaki and Y.Ben-Haim
  • Total Pages: 531-548
  • Publisher: Info-gap Robust Design of Passively Controlled Structures with Load and Model Uncertainties, Chapter 19 in "Structural Design OptimizationConsidering Uncertainties"(eds.)Yiannis Tsompanakis, Nikos D.Lagaros & Manolis Papadrakakis, Taylor & Francis
• [Book] Critical Excitation Methods in Earthquake Engineering (2006)
  • Author(s): I.Takewaki
  • Total Pages: 268
  • Publisher: Elsevier