The Effect of Turquoise Pigment Amounts on the Physical Properties of Concrete Used in Architecture and Iranian Urban Design

Document Type : Original Article

Authors

1 Department of Architecture and Urban Planning, Technical and Vocational University (TVU), P.O.Code: 143761137, Tehran, Iran

2 Department of Civil Engineering, Technical and Vocational University (TVU), P.O.Code: 143761137, Tehran, Iran

Abstract

Concrete is one of the essential materials in road and building construction. The use of colored concrete in urban design projects can play a significant role in making more elegant Iranian architecture and Urban projects. This research aims to make turquoise-coloured concrete for the construction of concrete sidewalks, and for this matter, the combination of two blue and green pigments was used in a ratio of 70 to 30 percent. Then, pigments in various weight ratios of 3, 5 and 7 % replaced a part of white cement in concrete. The tests performed in this research included slump, compressive strength, tensile strength, water absorption in hardened concrete and abrasion durability. Also, The behavior of colored concrete was evaluated and analyzed using the deviation indices from standard data and the economic index. The microstructure of concrete samples was also examined using the SEM method. The results of this research show that using turquoise composite pigments will reduce the resistance of concrete. Using 3, 5, and 7 % ratios of pigments in concrete causes a decrease of 7.6, 7.12, and 8.25 % of 28-day compressive strength and causes a decrease of 8.23, 9.42 and 59.5 % of the abrasion resistance of concrete. In conclusion, it is possible to use concrete with turquoise pigments to construct structures such as urban water fountains, urban statutes and city walls that perform environmental graphic functions.

Keywords

References

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Journal of Color Science and Technology
Volume 17, Issue 3 - Serial Number 65
November 2023
Pages 203-220

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