炭酸化養生によるコンクリートの高耐久化技術 : EIENの開発と試験施工  [in Japanese] High Durability Concrete using Mineral Admixtures cured with CO_2 Gas  [in Japanese]

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Abstract

一般の鉄筋コンクリート構造物にとって, 炭酸化は劣化を招く要因であり, これまでは炭酸化が進行しないように対策を講じてきた。しかし, 特殊混和材を加えっっ炭酸化養生することで, 強度増加, 溶脱抵抗性の向上などの効果も得られることが明らかとなり, 耐久性向上技術としての応用を図った。本稿では, 炭酸化養生による化学物性, 物理性能の変化および炭酸化養生したプレキャスト部材を用いた試験施工について紹介する。

The durability of cementitious material can be effectively improved by reducing permeability and by changing cement hydrates to a less soluble matrix. This paper describes the chemical and the mechanical properties of carbonated new cementisious materials containing belite-rich cement and γ-2 CaO·SiO<SUB>2</SUB> as main components in order to evaluate the superiority to normal portland cement. Moreover, the renovation method using this high durability concrete is introduced.

Journal

  • Concrete Journal  

    Concrete Journal 45(7), 31-37, 2007-07-01 

    Japan Concrete Institute

References:  10

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Cited by:  5

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Codes

  • NII Article ID (NAID)
    10018920567
  • NII NACSIS-CAT ID (NCID)
    AN00094169
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    03871061
  • NDL Article ID
    8878931
  • NDL Source Classification
    ZN1(科学技術--建設工学・建設業)
  • NDL Call No.
    Z16-89
  • Data Source
    CJP  CJPref  NDL  J-STAGE 
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