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1995 Fiscal Year Final Research Report Summary

INVESTIGATION FOR WEEKENED CONCRETE MATERIALS AND RESEARCH FOR QUALITY IMPROVEMENT OF CONCRETE

Research Project

Project/Area Number 06304020
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field Irrigation, drainage and rural engineering/Rural planning
Research InstitutionOSAKA PREFECTURE UNIVERSITY

Principal Investigator

KUWABARA Takao  OSAKA PREFECTURE UNIVERSITY,FACULTY OF AGRICULTURE,PROFESSOR, 農学部, 教授 (70081528)

Co-Investigator(Kenkyū-buntansha) KUNITAKE Masato  MIYAZAKI UNIVERSITY FACULTY OF AGRICULTURE,PROFESSOR, 農学部, 教授 (10039323)
NONAKA Tsuguhiro  SHIMANE UNIVERSITY,FACULTY OF AGRICULTURE,PROFESSOR, 農学部, 教授 (60093655)
HATTORI Kunio  TOTTORI UNIVERSITY,FACULTY OF AGRICULTURE,ASSISTANT PROFESSOR, 農学部, 助教授 (00032300)
ASAI Kiyoharu  MIE UNIVERSITY,FACULTY OF BIORESOURCES,PROFESSOR, 生物資源学部, 教授 (10035975)
HUJII Kouichi  UNIVERSITY OF IWATE,FACULTY OF AGRICULTURE,ASSISTANT PROFESSOR, 農学部, 助教授 (00032574)
Project Period (FY) 1994 – 1995
KeywordsConcrete / Flozen and Melting / Acid proof / Weakning / Admixture / Alkali-aggregate Reaction / Injury from salt / Errosion
Research Abstract

This research is concerned with the investigation of weakened concrete materials which are in japan and with the qualitry impluvement methods of these materials. There are many facters in the problem of weakened phenomena for concrete materials, which are generally said as samely as Alkali-Silika reaction to gravels, flozen and melting of concrete, salt deseases for concrete and so on. Research results sre as following as :
(1) Rice husk ash which is pulverized by burning is effective for the restraint of Alkali-Silika reaction and water bleeding in fresh concrete and making concrete strengthened at long ages. (from Aai, tukioka, Kuwabara, Isiguro)
(2) Flozen and melting of condrete is affected by the permiability of concrete and so the permiability of concrete is the important index for flozen and melting phenomenon. (from Huji)
(3) Chemical indexes for evaluation of the depth in weakened area are proposal, (from Nonaka) these are pH in a section, contents of S03, the strength of X-ray.
(4) Utility of admixture (SF) is effective for acid proof and quality impluvement of concrete. (from Hattori, Morii) And so on.

  • Research Products

    (11 results)

All Other

All Publications (11 results)

  • [Publications] 服部九二雄・森井俊広: "シリカフェーム混入したコンクリートの基本的特性" 農業土木学会論文集. 172. 47-53 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 野中資博・但田広次 杉田秀雄・森 忠洋: "汚水処理施設におけるコンクリート微生物腐食の階層関係" 農業土木学会論文集. 174. 15-22 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 野中資博・杉田秀雄 但田広次・森 忠洋: "汚水処理施設におけるコンクリート微生物腐食対策に関する考察" 農業土木学会論文集. 174. 23-31 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 浅井喜代治: "籾殻灰混入によるアルカリ骨材反応抑制に関する研究(I)" 農業土木学会論文集. 174. 95-101 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 國武昌人・近藤文義 中沢隆雄: "二本松遂道の温度ひび割れの防止施工" 農業土木学会誌. 62. 13-18 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 國武昌人・近藤文義 中沢隆雄・山下 博: "ボックスカルバ-ト壁体における温度ひびわれ防止養生方法の簡易システム化" 農業土木学会論文集. 180. 49-57 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.HATTORI,T.MORII: "Fundamental Properties of Concrete mixed with Silica Fume" JSIDRE. No.172. 47-53 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.NONAKA AND OTHERS: "Hierarchical Relation of Microbial corrosion of Concrete in Wastewater Treatment Plants" JSIDRE. No.174. 15-22 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] T.NONAKA AND OTHERS: "Preventing Microbial Corrosion of CONCRETE in Wastewater Treatment Plants" JSIDRE. No.174. 23-31 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.ASAI: "Study on the Control of Alkali-aggregate Reaction on Concrete by Adding Rice Husk Ash (I)" JSIDRE. No.174. 95-101 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.KUNITAKE AND OTHERS: "Simple Systematization of a Curing Method for Preventing Temperture Cracking on Box Culvert Wall" JSIDRE. No.180. 49-57 (1995)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-09  

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