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Mechanism elucidation and constitutive laws of expansive concrete for durable and high performance concrete structures

Research Project

Project/Area Number 13450179
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 土木材料・力学一般
Research InstitutionThe University of Tokyo

Principal Investigator

KISHI Toshiharu  Institute of Industrial Science, Associate Professor, 生産技術研究所, 助教授 (90251339)

Co-Investigator(Kenkyū-buntansha) ISHIDA Tetsuya  Faculty of Engineering, Lecturer, 大学院・工学系研究科, 講師 (60312972)
MAEKAWA Koichi  Faculty of Engineering, Professor, 大学院・工学系研究科, 教授 (80157122)
UOMOTO Taketo  Institute of Industrial Science, Professor, 生産技術研究所, 教授 (80114396)
Project Period (FY) 2001 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥15,100,000 (Direct Cost: ¥15,100,000)
Fiscal Year 2002: ¥5,500,000 (Direct Cost: ¥5,500,000)
Fiscal Year 2001: ¥9,600,000 (Direct Cost: ¥9,600,000)
KeywordsExpansive concrete / Crack / Crack resistance / Chemical prestress / Chemical prestrain / Drying shrinkage compensation / Crack width / Expansion / 膨張コンクリート / ケミカルプレストイン / 膨張材 / コンクリート / テンションスティフニング / 高耐久性
Research Abstract

Crack resistant mechanism of chemical prestressed reinforced concrete (CPRC) with expansive agent was studied in microscopic point of view as followings,
(1) In cyclic loading of uni-axial test for CPRC unloading stiffness is gradually decreased and residual strain is remarkably increased up to cracking. Further, CPRC has higher deformability and tension stiffening effect after peak range is higher than normal RC.
(2) A series of flexural test of CPRC with various specimen sizes were conducted. The deformability and cracking load of CPRC is higher in smaller cross section in which curvature becomes large. Not only ultimate load but also shear stiffness are enhanced by providing lateral reinforcement The effect of lateral shear reinforcement is more significant in larger cross section since plain concrete zone becomes larger in that situation.
(3) Flexural test for CPRC was conducted where reinforcement ratio was varied under constant content of expansive agent It is shown that crack resistance is enhanced in accordance with not only chemical prestress but also chemical prestrain. Then, crack resistance of CPRC under long-term drying was also tested It was found that crack resistance of CPRC subjected to 1 month drying is decreased like normal RC, however it is recovered in 3 months drying.
(4) A series of pull-out test of deformed bar embedded in massive concrete was conducted to check bond characteristic. Bond between expansive concrete and deformed bar is almost same as normal RC irrelevant of degree of lateral confinement Further, it was found in case where bar diameter is larger than maximum size of coarse aggregate, that very strange strain distribution appears in deeper zone of re-bar at very small stress level.
Due to the above mentioned complicated governing mechanism of CPRC behaviors, formulations for crack width and constitutive laws for CPRC could not be yet established

Report

(3 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • Research Products

    (41 results)

All Other

All Publications (41 results)

  • [Publications] 石村隆敏, 丸山誉史, 細田暁, 岸利治: "膨張コンクリートのテンションステイフニング効果に関する実験的研究"コンクリート工学年次論文集. Vol.23,No.3. 583-588 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 古谷明寿, 細田暁, 岸利治: "膨張コンクリートの曲げ部材におけるひび割れ抵抗性に対する多軸拘束の効果"コンクリート工学年次論文集. Vol.23,No.3. 589-594 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 細田暁, 岸利治: "微視的機構に着目した膨張コンクリートのひび割れ抵抗性に関する検討"コンクリート工学年次論文集. Vol.23,No.3. 595-600 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 下村哲雄, 細田暁, 岸 利治: "低水粉体比の膨張コンクリートのひび割れ自己修復機能"コンクリート工学年次論文集. Vol.23,No.2. 661-666 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 細田暁, 岸利治: "膨張モルタルの非線形挙動とひび割れ抵抗性の機構について"土木学会論文集. No.683/V-52. 13-29 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, Toshiharu KISHI: "Self-repairing Function for Cracks of SCC with Expansive Agent"The Second International Symposium on Self-Compacting Concrete, Tokyo. 483-490 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, Toshiharu KISHI: "Crack Resistant Mechanism of Expansive Concrete with Restraining Steel"The 8th East Asia-Pacific Conference on Structural Engineering and Construction, Singapore. 1B-6. 1162 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Takatoshi ISHIMURA, Akira HOSODA, Toshiharu KISHI: "Behavior of Expansive Concrete under Tensile Stress Including Tension Stiffening"The 8th East Asia-Pacific Conference on Structural Engineering and Construction, Singapore. 1B-7. 1273 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 岸利治, 細田暁: "耐久性向上と膨張コンクリートの可能性"セメント・コンクリート. No.661. 1-8 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 伊藤一聡, 岸利治, 魚本健人: "種々の養生温度下で形成されたセメント硬化体の空隙構造"コンクリート工学年次論文集. Vol.24,No.1. 489-494 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] R.SAHAMITMONGKOL., Y.TANAKA, T.KISHI: "Cracking Behaviors of Chemical Prestressed Reinforced Concrete Members"Proc.of the Fourth International Summer Symposium of JSCE, Kyoto. 279-282 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Raktipong SAHAMITMONGKOL, Toshiharu KISHI: "The Effect of Restrained Level on Cracking Resistance for Chemically Prestressed Reinforced Concrete"Proceedings of the Japan Concrete Institute. Vol.25(発表予定). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 細田暁, 岸利治: "膨張コンクリートのひび割れ抵抗性およびひび割れ幅に関する実験的検討"第55回セメント技術大会講演要旨. 194-195 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] R.SAHAMITMONGKOL, T.KISHI: "Flexural Behavior of Fiber-Reinforced Expansive Mortar"Proceedings of the 57th Annual Conference of the Japan Society of Civil Engineering. 1017-1018 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.TANAKA, R.SAHAMITMONGKOL, T.KISHI: "Effect of Curing Condition on Flexural Behavior of Chemical Prestressed Reinforced Mortar"Proceedings of the 57th Annual Conference of the Japan Society of Civil Engineering. 1317-1318 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Raktipong SAHAMITMONGKOL, Toshiharu KISHI: "Cracking Resistance of Chemical Prestressed Reinforced Concrete"Proceedings of the 58th Annual Conference of the Japan Society of Civil Engineering. (発表予定). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 田中泰司, 吉田 聖, 岸 利治: "低応力場における膨張コンクリートの付着性状"土木学会第58回年次学術講演会第V部門講演概要集. (発表予定). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 佐藤宏樹, Raktipong SAHAMITMONGKOL, 岸 利治: "長期乾燥下における膨張コンクリートのひび割れ抵抗性の回復とその鉄筋比による相違"土木学会第58回年次学術講演会第V部門講演概要集. (発表予定). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 吉田 聖, 田中泰司, 岸 利治, 勝木 太: "膨張コンクリートと鉄筋の付着特性に関する研究"土木学会第58回年次学術講演会第V部門講演概要集. (発表予定). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, and Toshiharu KISHI: "An experimental study on crack resistance and crack width of expansive concrete"Proc. of the 55th Japan Cement Association. 194-195 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Ishimura, T., Maruyama, T., Hosoda, A., and Kishi, T.: "Experimental Study on Tension Stiffening Effect of Expansive Concrete"Pro. of the JCI. 23, No.3. 583-588 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Furuya, A., Hosda, A, and Kishi, T.: "Effects of Restraining Steels in 3 Direcfions on Crack Resistance of Flexure / Shear Members of Expansive Concrete"Pro. Of the JCI. 23, No.3. 589-594 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Hosoda, A, and Kishi. T: "Crack Resistant Mechanism of Expensive Concrete Based on Microscopic Mechanism"Pro. of the JCI. 23, No.3. 595-600 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Tetsuo SHIMOMURA, Akira HOSODA and Toshiharu KISHI: "Self-Repairing Function for Cracks of Expansive Concrete with Low Water/Powder Ratio"Proc. of the Japan Concrete Institute. 23, No.2. 661-666 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, and Toshiharu KISHI: "Nonlinear Behavior and Crack resistant Mechanism of Expansive Mortar"Journal of Materials, Concrete Structure and Pavements. No.683/V-52. 13-29 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, and Toshiharu KISHI: "Self-reparing Function for Cracks of SCC with Expansive Agent"The Second International Symposium on Self-Compacting Concrete, Tokyo, Japan. 483-490 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Akira HOSODA, and Toshiharu KISHI: "Crack Resistant Mechanism of Expansive Concrete wiih Restraining Steel"The Eighth East Asia-Pacific Conference on Structural Engineering & Construction, Singapore. 1B-6, No.1162. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Takatoshi ISHIMURA, Akira. HOSODA, and Toshiharu KISHI: "Behavior of Expansive Concrete under Tensile Stress Including Tension Stiffening"The Eighth East Asia-Pacific Conference on Structural Engineering & Construction, Singapore. 1B-7, N0.1273. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Toshiharu KISHI, and Akira HOSODA: "A possibility of expansive concrete for durable concrete structures"Cement and Concrete. No.661. 1-8 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Itoh, K, Kishi, T, and Uomoto, T.: "The Microstructures of the hardened cement paste formed in various curing temperatures"Pro. of the JCI. Vol.24, No.1. 489-494 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] R.SAHAMITMONGKOL, Y.TANAKA, and T.KISHI: "Cracking Behaviors of Chemical Prestressed Reinforced Concrete Members"Proceedings of the Fourth International Summer Symposium of. JSCE. 279-282 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] R.SAHAMITMONGKOL, and T.KISHI: "Flexural Behavior of Fiber-Reinforced Expansive Mortar"Proceedings of the 57^<th> Annual Conference of the Japan Society of Civil Engineering. 1017-1018 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Y.TANAKA, R.SAHAMITMONGKOL and T.KISHI: "Effect of Curing Condition on Rexural Behavior of Chemical prestressed Reinforced Mortar"Proceedings of the 57^<th> Annual Conference of the Japan Society of Civil Engineering. 1317-1318 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 岸 利治, 細田 暁: "耐久性向上と膨張コンクリートの可能性"セメント・コンクリート. No.661. 1-8 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 伊藤一聡, 岸 利治, 魚本健人: "種々の養生温度下で形成されたセメント硬化体の空隙構造"コンクリート工学年次論文集. Vol.24,No.1. 489-494 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Raktipong S., Y.TANAKA, T.KISHI: "Cracking Behaviors of Chemical Prestressed Reinforced Concrete Members"Proceedings of the Fourth International Summer Symposium of JSCE. 279-282 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Raktipong S., T. KISHI: "Flexural Behavior of Fiber-Reinforced Expansive Mortar"Proc. of the 57^<th> Annual Conference of the Japan Society of Civil Engineering. 1017-1018 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Y.TANAKA, Raktipong S., T.KISHI: "Effect of Curing Condition on Flexural Behavior of Chemical Prestressed Reinforced Mortar"Proc. of the 57^<th> Annual Conference of the Japan Society of Civil Engineering. 1317-1318 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 細田暁, 岸 利治: "微視的機構に着目した膨張コンクリートのひび割れ抵抗性に関する検討"コンクリート工学年次論文集. Vol.23, No.3. 595-600 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 石丸隆敏, 丸山誉史, 細田暁, 岸 利治: "膨張コンクリートのテンションスティフニング効果に関する実験的研究"コンクリート工学年次論文集. Vol.23, No.3. 583-588 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 古谷明寿, 細田暁, 岸 利治: "膨張コンクリートの曲げ部材におけるひび割れ抵抗性に対する多軸拘束の効果"コンクリート工学年次論文集. Vol.23, No.3. 589-594 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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