| Title |
A Fundamental Study on the Engineering Properties of Colored Concrete |
| Authors |
Seo Sang-Kyo ; Yeun Kyu-Won ; Jeon Chung-Keun ; Kim Jong ; Kim Jong-Baek |
| Keywords |
Colored Concrete ; Pigment ; Colorimeter ; Chromaticity ; CIE L*a*b* |
| Abstract |
Recently, as the demand for concrete products, environment-friendly and various, increases, the importance of decorative concrete is being stressed and thus color concrete got to be examined in spite of increase of various expenses. This study analyzed the effect of color concrete on various technical physical features in accordance with colouring for color concrete. It was found that in case of slumpflow, the more the amount of colouring addition increases, the more it decreases according to high fineness degree and absorption rate, and in case of air volume, the more the amount of colouring of colouring increase, the more it increases according to the increased specific surface area and effects of minute vacant spaces of the inside of the concrete. It was found that congelation time greatly decreased according to increased amount of addition of red and yellow colouring. It was found that the more the amount of addition of red and yellow colouring increases, the more compressive strength increased, and the compressive strength generally decreased compared with plain when green colouring was added. Ager measurement was conducted using efficient colouring addition amount when economical efficiency was considered at 6%. It was found that the more the amount of addition increases, the more the dry-contraction deformation amount increased. Also, it was found that the more the amount of addition of colouring increases, the faster promotion neutralization, and in the test for resistance to frost damage, the more the amount of addition of colouring increase, the lower the change of relative dynamic elasticity coefficient ratio, the basis of expansive frost damage, and mass change ratio, the basis of scale frost damage. |