A Review on Sustainable Concrete with the Partially Substitutions of Silica Fume as a Cementitious Material

Jawad Ahmad (), Sallal R. Abid, Mohamed Moafak Arbili, Ali Majdi, A. Hakamy and Ahmed Farouk Deifalla ()
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Jawad Ahmad: Department of Civil Engineering, Military College of Engineering, Risalpur, Sub Campus of National University of Sciences and Technology, Islamabad 44000, Pakistan
Sallal R. Abid: Department of Civil Engineering, Wasit University, Kut 52003, Iraq
Mohamed Moafak Arbili: Department of Information Technology, Choman Technical Institute, Erbil Polytechnic University, Erbil 44001, Iraq
Ali Majdi: Department of Building and Construction Techniques Engineering, Al-Mustaqbal University College, Hillah 51001, Iraq
A. Hakamy: Department of Physics, Faculty of Applied Science, Umm Al-Qura University, Makkah 21955, Saudi Arabia
Ahmed Farouk Deifalla: Structural Engineering Department, Faculty of Engineering and Technology, Future University in Egypt, New Cairo 11845, Egypt

Sustainability, 2022, vol. 14, issue 19, 1-22

Abstract: Self-compacting concrete (SCC) uses a lot of natural resources, much like regular concrete, which results in unsustainable construction. Even though silica fume (SF) and other secondary cementitious materials are the subjects of a lot of studies, to determine the past, present, and future direction of research, information must first be reviewed. This paper compiles data on SSC with SF substations. Slump flow, slump T 50 , L-box, and V-funnel tests were used to investigate fresh SCC properties, such as filling and passing capabilities. Mechanical properties were examined using compressive, tensile, and flexure strength, while the durability characteristics of SCC were examined through water absorption, porosity, sorptivity, and chloride resistance. The internal structure of SCC, with and without SF, is reviewed through scan electronic microscopy (SEM). The results indicate that SF lacked the filling and passing ability of SCC, but is still within the limit defined by the technical specification for SCC. However, the study suggests a larger dosage of plasticizer for a higher dose of SF. Improvements in SCC’s strength and durability were also seen; however, greater doses had a negative impact on these attributes due to an absence of flowability. Researchers recommended the ideal SF dosage ranges from 10 to 15% by volume of cement. The assessment also reveals research gaps that need to be addressed.

Keywords: self-compacting concrete; concrete; filling and passing ability; durability; microstructure analysis (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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