Properties of concrete contains mixed colour waste recycled glass as sand and cement replacement
By Bashar Taha, G. Nounu. 2008
358 citations recorded by the source corpus.
Abstract Mixed colour waste recycled glass is waste material that cannot be reused in glass industry. Concrete can be considered as an outlet for the surplus quantities of the mixed colour waste recycled glass. This research work studies the feasibility of recycled glass sand (RGS) and pozzolanic glass powder (PGP) in concrete as sand and cement replacement, respectively. Ground granulated blastfurnace slag (GGBS) and metakaolin (MK) were used in this study to replace Portland cement and investigate the effect of RGS on the behaviour and properties of concrete contains blend of different cementitious materials. Severe bleeding and segregation were observed when normal sand was replaced by RGS and the plastic properties of the concrete undergo clear changes. However, the presence of the PGP in concrete enhanced the plastic properties of concrete. No significant differences were observed in compressive strength of concrete with the presence of RGS in concrete, while an average reduction of 16% was occurred when 20% of the Portland cement was replaced by PGP. The effects of utilising waste recycled glass as sand/cement replacement in concrete were further explored by applying different tests such as, tensile splitting strength, flexural strength, static modulus of elasticity and water absorption.
Subfields: Building and Construction, Civil and Structural Engineering
View Paper: https://www.semanticscholar.org/paper/53ee907ce25202a2decd149110edc47d603a95df
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Citations in the corpus
- Waste glass in the production of cement and concrete – A review (2014, background): “The chemical composition of cement and different colored glasses [41,59,68].”
- Properties of architectural mortar prepared with recycled glass with different particle sizes (2011, background): “Supplementary cementitious material Supplementary cementitious materials such as fly ash and metakaolin (MK) are well-known to be able to reduce the alkali-silica reaction (ASR) in concrete [16, 17].”
- Feasibility of using recycled glass in architectural cement mortars (2011, background): “Owing to the problems associated with the use of coarse glass aggregates in concrete, research interest has been primarily concentrated on the use of fine glass particles/powder (grinding from glass cullet) as sand or cement replacement in concrete or mortar [7, 9, 12-17].”
- Effects of crushed glass cullet sizes, casting methods and pozzolanic materials on ASR of concrete blocks (2011, background): “It is known that concrete containing glass aggregate has lower water absorption and drying shrinkage [1-3].”
- Use of waste glass in alkali activated cement mortar (2018, result): “Conversely, a previous study found that there were severe bleeding and segregation in OPC concrete when 100% of the fine aggregates was replaced by the recycled glass aggregates [56].”