Open AccessResearch on Inhibitory Effect of Green Algae of C30 Coral Aggregate Concrete Surface with Different Mortar Coatings
Author(s) -
Putao Song,
Jing Wang,
Qingfeng Guan,
Yue Zhou,
Hang Jing,
Faguang Leng
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1622/1/012069
Subject(s) - mortar , aggregate (composite) , materials science , cementitious , coating , composite material , fluorescence , coral , cement , geology , optics , oceanography , physics
In this paper, maximum fluorescence value was first applied to indicate the anti-green algae properties of concrete, the lower the maximum fluorescence value, the better the anti-green algae properties of concrete. This study investigates the effect of strength grade of mortar coating and types of hydrophobic materials and admixture on the fluorescence value of C30 coral aggregate concrete. The results show that adding a certain proportion of hydrophobic material directly can reduce the maximum fluorescence value of coral aggregate concrete. Using mortar of different strength grades as concrete coating can also reduce the fluorescence value of concrete surface. The higher the strength grade of mortar is, the greater the decrease of the maximum fluorescence value will be. Using mortar mixed with hydrophobic material as coating can minimize the maximum fluorescence value of the concrete surface of coral aggregate concrete. In general, the maximum fluorescence value of M100 mortar coating with 5% of the total mass of cementitious material can be reduced to the minimum. Compared with the C30 coral aggregate concrete without hydrophobic agent, the maximum fluorescence value can be reduced by 75.4%.