Shear Cracks of Prestressed Reinforced Concrete Members

2008 Fiscal Year Final Research Report

• Project/Area Number: 19360199
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Structural engineering/Earthquake engineering/Maintenance management engineering
• Research Institution: Saitama University
• Principal Investigator: MUTSUYOSHI Hiroshi Saitama University, 理工学研究科, 教授 (60134334)
• Co-Investigator(Kenkyū-buntansha): MAKI Takeshi 埼玉大学, 理工学研究科, 准教授 (60292645) ; ASAMOTO Shingo 埼玉大学, 理工学研究科, 助教 (50436333) ; HA Minh 埼玉大学, 理工学研究科, 助教 (30431729)
• Project Period (FY): 2007 – 2008
• Keywords: PRC / せん断ひび割れ幅 / 超高強度コンクリート

Research Abstract

鉄筋コンクリートにプレストレスを導入した(PRC)部材のせん断ひび割れについて以下のことが明らかとなった.
1) せん断ひび割れ幅は、せん断補強筋補強筋ひずみと強い相関を示す.
2) せん断ひび割れ幅は、RCにおいてはコンクリートの圧縮強度の影響は見られないが、PRCにおいては小さくなる.
3) せん断ひび割れ幅を水平および垂直成分に分解して、せん断補強筋ひずみを用いることによって、かなりの精度でRCおよびPRCはり部材のせん断ひび割れ幅を計算出来る手法を開発した.

Research Products

• [Journal Article] Evaluation of Shear Crack Width in I-Shaped Prestressed Reinforced Concrete Beams (2008)
  • Author(s): Sudhira DE SILVA, Hiroshi MUTSUYOSHI and Eakarat Witchukreangkrai
  • Journal Title: Advanced Concrete Technology Vol.6, No.3 Pages: 443-458
  • Peer Reviewed
• [Journal Article] 超高強度コンクリートを用いたPRCはりのひび割れ性状 (2008)
  • Author(s): 前川敦・睦好宏史・Sudhira De SILVA・浅本晋吾
  • Journal Title: コンクリート工学年次論文報告集 Vol.30, No.3 Pages: 637-642
  • Peer Reviewed
• [Journal Article] 長期屋外乾燥させたPRC梁の曲げひび割れ性状に関する研究 (2008)
  • Author(s): 浅本晋吾・篠崎裕生・三上浩・睦好宏史
  • Journal Title: コンクリート工学年次論文報告集 Vol.30, No.3 Pages: 559-564
  • Peer Reviewed
• [Journal Article] Shear Cracking Behavior of Ultra-High-Strength Prestressed Reinforced Concrete Beams (2008)
  • Author(s): Sudhira De SILVA, Hiroshi Mutsuyoshi, Shingo Asamoto and Atsushi Maeakawa
  • Journal Title: Proceedings of the Japan Concrete Institute Vol.30, No.3 Pages: 823-828
  • Peer Reviewed
• [Journal Article] Cracking Behavior of Ultra-High-Strength Prestressed Reinforced Concrete Beams (2008)
  • Author(s): Sudhira De SILVA, Hiroshi Mutsuyoshi, Shingo Asamoto and Atsushi Maeakawa
  • Journal Title: The 8th International Symposium on the Utilization of High-Strength and High-Performance Concrete Pages: 667-674
  • Peer Reviewed
• [Journal Article] 高強度コンクリートを用いたPRC高強度コンクリートを用いたPRC (2007)
  • Author(s): 高木真由子, 睦好宏史, De Silva Sudhira, 浅本晋吾
  • Journal Title: コンクリート工学年次論文報告集 Vol.20 Pages: 577-582
  • Peer Reviewed
• [Journal Article] Shear CrackingBehavior of High-Strength Prestressed Reinforced Concrete Beams (2007)
  • Author(s): Sudhira DE SILVA, Hiroshi MUTSUYOSHI, Shingo ASAMOTO and Mayuko TAKAGI
  • Journal Title: Proceedings of the Japan Concrete Institute Vol.20 Pages: 679-684
  • Peer Reviewed
• [Presentation] Experimenta Study on Shear Response of Ultra High Strength Prestressed Reinforced Concrete Beams (2008)
  • Author(s): Lam Huu Quang, Hiroshi Mutsuyoshi, Chee Khoon Ng, Ha Minh, Sudhira De Silva and Atsushi Maekawa
  • Organizer: the 10th International Summer Symposium September 18
  • Place of Presentation: JSCE Headquarters, Tokyo, Japan
  • Year and Date: 20080000