Title of Paper:RESEARCH ON CHLORIDE ION PENETRATION AND COMPRESSIVE STRENGTH OF OCEAN HIGH PERFORMANCE CONCRETE DOPED WITH NANO-SiO2

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Date of Publication:2014-01-01

Journal:REVISTA ROMANA DE MATERIALE-ROMANIAN JOURNAL OF MATERIALS

Included Journals:SCIE

Volume:44

Issue:3

Page Number:249-256

ISSN No.:1583-3186

Key Words:nano-SiO2(NS); ocean engineering; high performance concrete(HPC); chloride ion penetration; compressive strength

Abstract:The ability to resist at chloride ion penetration and compressive strength of ocean high performance concrete (HPC) with nano-SiO2 (NS) addition was studied. The 6 hours direct current coulometry method (6-hours DC Method) in ASTM C1202-97 was adopted. The experimental results show that the ability to resist at chloride ion penetration of HPC including NS is heightened effectively, the charge through high-performance concrete with 3%, and 5% NS is reduced with 5% and 15% respectively, and the ability to resist at chloride ion penetration can be heightened gradually with of the age; the charge through high-performance concrete with NS decreases with reducing of W/B of concrete.