Influence of seawater mixing and curing on strength characteristics and porosity of ground granulated blast-furnace slag concrete

Adiwijaya, H. Hamada, Y. Sagawa, D. Yamamoto

研究成果: ジャーナルへの寄稿会議記事査読

9 被引用数 (Scopus)

抄録

Generally, in the concrete industry, several billion tons of fresh water are annually used for mixing water, curing water and cleaning water. Nevertheless, the utilization of seawater in the concrete industry is prohibited, because it increases the risk of corrosion of steel bars in concrete. This study presents strength characteristics and porosity of seawater mixed concrete and tap water mixed concrete incorporating Ground Granulated Blast-Furnace Slag (GGBS) with water-binder ratio (W/B) of 40%, 50% and 60%. The influence of seawater mixing, GGBS and curing conditions such as tap water curing (TC), seawater curing (SC) and air curing (AC) on the strength and porosity of concrete were evaluated. Based on investigation result, it was shown that there is no significant influence of seawater mixing in improving strength of GGBS concrete up to 365 days in TC and SC. Effectiveness of seawater-mixing on strength enhancement of GGBS concrete is larger in air curing than in water curing. Porosity of seawater-mixed concrete is decreased compared to tap water-mixed concrete in all curing conditions.

本文言語英語
論文番号012070
ジャーナルIOP Conference Series: Materials Science and Engineering
271
1
DOI
出版ステータス出版済み - 12月 7 2017
イベントGlobal Congress on Construction, Material and Structural Engineering 2017, GCoMSE 2017 - Johor Bahru, マレーシア
継続期間: 8月 28 20178月 29 2017

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 工学(全般)

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