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Establishment of Mix Design Method and Work Method of Mortar for Structures

Research Project

Project/Area Number 18560568
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Building structures/materials
Research InstitutionMeijo University

Principal Investigator

TERANISHI Kohji  Meijo University, Faculty of Science and Technology, Associate Professor (30340293)

Co-Investigator(Kenkyū-buntansha) TANIGAWA Yasuo  Meijo University, Faculty of Science and Technology, Professor (70023182)
Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥3,880,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2006: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsStructural material / Mix design / Work / Grading / Segregation resistance / Aggregate / Drying shrinkage / Mortar / 耐久性 / 中性化 / 高流動コンクリート / 締固め / レオロジー / 可視化
Research Abstract

In this study, the following was investigated in order to prepare the mix design method and the work method of the mortar for structures (the mortar, of which aggregate volume is increased by using fine aggregate with special grading to control drying shrinkage to the same level as that of concrete, for applying to structures).
1. Segregation mechanism of aggregate: The process of segregation of aggregate subjected to vibrating compaction was visualized using the simulated mortar.
2. Design method of grading of fine aggregate: The relationship between the grading of aggregate and the solid content was investigated. And the prediction method of the solid content of aggregate composed of two or three grain size was advanced.
3. Effect of air content: The effect of air content of the mortar for structures on fresh properties was investigated. And it was determined that the yield value of the mortar is estimated comprehensively based on the distance between aggregates in dispersion calculated ignoring air content.
4. Vibrating compaction method: The rheological properties and the segregation resistance of the mortar for structures subjected to vibrating compaction were investigated. And it was confirmed that the mortar for structures can be cast with the vibrating compaction method similar to that for concrete.
5. Strength characteristics and drying shrinkage: The following results for the mortar for structures were obtained: 1) Compressive strength is nearly equal to that of concrete. 2) Young's modulus can be predicted by the JASS 5 equation. 3) Drying shrinkage can be controlled to the same level as that of concrete.
6. Feasibility of high-fluidization: The feasibility of high-fluidization of the mortar for structures was investigated. And it was determined that if water cement ratio is less than 42.5%, the slump flow of the mortar for structures can be fluidized to 70cm.

Report

(3 results)
  • 2007 Annual Research Report   Final Research Report Summary
  • 2006 Annual Research Report
  • Research Products

    (18 results)

All 2008 2007

All Journal Article (15 results) (of which Peer Reviewed: 4 results) Presentation (3 results)

  • [Journal Article] コンクリートの代替材料としてのモルタルの構造躯体利用に関する研究2008

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会構造系論文集 623号

      Pages: 35-41

    • NAID

      110006549515

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Study on Application of Mortar as Substitute Material of Concrete to Structures2008

    • Author(s)
      K. Teranishi
    • Journal Title

      Journal of Structural and Construction Engineering No. 623

      Pages: 35-41

    • NAID

      110006549515

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 建築物の構造躯体への適用を目的としたモルタルの開発(その6.高流動化の可能性の検討)2008

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会大会学術講演梗概集 A-1

      Pages: 527-528

    • Related Report
      2007 Annual Research Report
  • [Journal Article] コンクリートの代替材料としてのモルタルの構造躯体利用に関する研究2008

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会構造系論文集 623

      Pages: 35-41

    • NAID

      110006549515

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] フレッシュコンクリートの振動締固め時の分離の可視化モデル実験2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会東海支部研究報告集 45号

      Pages: 65-68

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary 2006 Annual Research Report
  • [Journal Article] 構造躯体用モルタルの調合および施工要因に関する研究-フレッシュ性状に対する空気量および振動締固めの影響-2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会東海支部研究報告集 45号

      Pages: 69-72

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 骨材の粒度分布がコンクリートおよびモルタルの流動性に及ぼす影響2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会構造系論文集 614号

      Pages: 9-15

    • NAID

      110006242497

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] 建築物の構造躯体への適用を目的としたモルタルの開発その6. 高流動化の可能性の検討2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会大会学術講演梗概集 A-1

      Pages: 527-528

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Development of Mortar for Structures2007

    • Author(s)
      K. Teranishi
    • Journal Title

      32nd Conference on Our World in Concrete & Structures, Conference Documentation Vol. 26

      Pages: 459-466

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Experiment by Visualized Model of Segregation of Fresh Concrete under Compaction by Vibration2007

    • Author(s)
      K. Teranishi
    • Journal Title

      AIJ Tokai Architectural Research Meeting No. 45

      Pages: 65-68

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Study on Factors of Mix Proportion and Work of Mortar for Structures2007

    • Author(s)
      K. Teranishi
    • Journal Title

      AIJ Tokai Architectural Research Meeting No. 45

      Pages: 69-72

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Effect of Aggregate Grading on Fluidity of Concrete and Mortar2007

    • Author(s)
      K. Teranishi
    • Journal Title

      Journal of Structural and Construction Engineering No. 614

      Pages: 9-15

    • NAID

      110006242497

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Development of Mortar for Structures (Part 6. Feasibility Study on High-Fluidity Mortar)2007

    • Author(s)
      K. Teranishi
    • Journal Title

      Summaries of Technical Papers of Annual Meeting Architectural Institute of Japan A-1

      Pages: 527-528

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] 骨材の粒度分布がコンクリートおよびモルタルの流動性に及ぼす影響2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会構造系論文集 614

      Pages: 9-15

    • NAID

      110006242497

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 構造躯体用モルタル調合および施工要因に関する研究 -フレッシュ性状に対する空気量および振動締固めの影響-2007

    • Author(s)
      寺西浩司
    • Journal Title

      日本建築学会東海支部研究報告集 45号

      Pages: 69-72

    • Related Report
      2006 Annual Research Report
  • [Presentation] Development of Mortar for Structures2007

    • Author(s)
      K. Teranishi
    • Organizer
      32nd Conference on Our World in Concrete & Structures
    • Place of Presentation
      シンガポール
    • Year and Date
      2007-08-28
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Development of Mortar for Structures2007

    • Author(s)
      K. Teranishi
    • Organizer
      32nd Conference on Our World in Concrete & Structures
    • Place of Presentation
      Singapore
    • Year and Date
      2007-08-28
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Development of Mortar for Structures2007

    • Author(s)
      K. Teranishi
    • Organizer
      32nd Conference on Our World in Concrete & Structures, Conference
    • Place of Presentation
      シンガポール
    • Year and Date
      2007-08-28
    • Related Report
      2007 Annual Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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