Evaluation of salt resistance of concrete combined with chloride-ion immobilizer and expansive additive

Shinya Ito, Akihiro Hori, Takeshi Iyoda

Research output: Contribution to journalConference article

Abstract

Physical properties and salt resistance ofconcrete prepared with a chloride-ionimmobilization material (2CaO Al2O3) and expansive additivewere examined. Immersion and unsteady-state electrophoresis testsconfirmed that chloride-ion penetration of the concrete was suppressed using the chloride-ionimmobilizationmaterial. The same behavior was confirmed in combination with theexpansive additive. When thechloride-ionimmobilization material and expansive additivewere used in combination, there was no effect on salt resistance if the expansion strain was within the correctrange. In contrast, in concrete using the chloride-ionimmobilizationmaterialalone, the chloride-ion penetration behavior differed forsalt-water immersion and unsteady-state electrophoresis tests.

Original languageEnglish
JournalSustainable Construction Materials and Technologies
Volume1
Publication statusPublished - 2019 Jan 1
Externally publishedYes
Event5th International Conference on Sustainable Construction Materials and Technologies, SCMT 2019 - Kingston upon Thames, United Kingdom
Duration: 2019 Jul 142019 Jul 17

Keywords

  • Chloride-ion immobilization material
  • Expansive additive
  • Salt resistance

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Materials Science(all)

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