TY - JOUR
T1 - Lightweight concrete from a perspective of sustainable reuse of waste byproducts
AU - Junaid, Muhammad Faisal
AU - Rehman, Zia ur
AU - Kuruc, Michal
AU - Medveď, Igor
AU - Bačinskas, Darius
AU - Čurpek, Jakub
AU - Čekon, Miroslav
AU - Ijaz, Nauman
AU - Ansari, Wajahat Sammer
N1 - Publisher Copyright:
© 2021 Elsevier Ltd
PY - 2022/2/14
Y1 - 2022/2/14
N2 - Traditional waste management schemes raise various environmental, social, and economic concerns; thus, require productive replacements. A large amount of natural resource is utilized to meet the demand of concrete production, which causes environmental issues; also, enriched properties of concrete with low density are demanded. Consequently, the idea of lightweight concrete (LWC) has gained popularity. Practically, there is a vast potential of using waste byproducts of the various sectors in LWC; thus, it could also be taken as a sustainable waste management solution. Extensive studies have been carried out on the use of various waste byproducts in LWC as an aggregate, cementing agent, admixture, and their combinations. The current paper reviews the research status, gaps, challenges and solutions of the use of waste byproducts of various sectors in LWC. Various governing factors are identified to use waste byproducts in different roles in LWC, i.e., material, admixture, or combination of both; based on which, the suitability of the use of any waste material in LWC can be assessed. Despite a large number of conducted studies, characterization of more waste material for use in LWC, assessment, and mitigation of hazardous impacts of waste byproducts in LWC, durability, and life cycle assessment of waste-based LWC are identified as the research dimensions to be further focused. The current paper aims to benefit the associated researchers and practitioners working in the fields of construction, waste management, sustainable development, resources conservations, and recycling.
AB - Traditional waste management schemes raise various environmental, social, and economic concerns; thus, require productive replacements. A large amount of natural resource is utilized to meet the demand of concrete production, which causes environmental issues; also, enriched properties of concrete with low density are demanded. Consequently, the idea of lightweight concrete (LWC) has gained popularity. Practically, there is a vast potential of using waste byproducts of the various sectors in LWC; thus, it could also be taken as a sustainable waste management solution. Extensive studies have been carried out on the use of various waste byproducts in LWC as an aggregate, cementing agent, admixture, and their combinations. The current paper reviews the research status, gaps, challenges and solutions of the use of waste byproducts of various sectors in LWC. Various governing factors are identified to use waste byproducts in different roles in LWC, i.e., material, admixture, or combination of both; based on which, the suitability of the use of any waste material in LWC can be assessed. Despite a large number of conducted studies, characterization of more waste material for use in LWC, assessment, and mitigation of hazardous impacts of waste byproducts in LWC, durability, and life cycle assessment of waste-based LWC are identified as the research dimensions to be further focused. The current paper aims to benefit the associated researchers and practitioners working in the fields of construction, waste management, sustainable development, resources conservations, and recycling.
KW - Environmental management
KW - Lightweight aggregate
KW - Lightweight concrete
KW - Resources conservations
KW - Waste management
UR - http://www.scopus.com/inward/record.url?scp=85121304090&partnerID=8YFLogxK
U2 - 10.1016/j.conbuildmat.2021.126061
DO - 10.1016/j.conbuildmat.2021.126061
M3 - Article
AN - SCOPUS:85121304090
SN - 0950-0618
VL - 319
JO - Construction and Building Materials
JF - Construction and Building Materials
M1 - 126061
ER -