Abhishek Kumar Yadav*, Maaz Allah Khan, Akash Kumar Kannaujiya, Umme Afsheen, Vaishali Singh, Samar Bahadur Singh, Ayush Pandey
Department of Civil Engineering, UIET, Babasaheb Bhimrao Ambedkar University, Lucknow-226025, India
Cite this article: Yadav, A.K., Khan, M.A., Kannaujiya, A.K., Afsheen, U., Singh, V., Singh, S.B., Pandey, A., 2023. Improving the strength of concrete using demolition waste. J. Appl. Sci. Innov. Technol. 2 (2), 68-72.
Highlights
- Debris from demolished building was collected, crushed and sieved.
- After sieving with 4.75 mm sieve, aggregate size lesser than 4.75 mm was used as fine aggregate.
- Compressive strength test of concrete cubes was done after 7 days, 14 days and 28 days of curing.
- Cube with 30% of sand replacement shown the least water absorption
- Cubes with 10℅ replacement of demolished waste shown better compressive strength than standard concrete cube.
Abstract: Debris left over after a structure has been demolished is referred to as demolition rubbish. In India, the construction industry generates 10 to 12 million tons of demolition waste annually. Bricks, wood, metal, and other recyclable materials are recycled in India, however, more than 50% of all garbage that is made up of concrete and masonry waste is not. A standardised manual for effective management of construction and demolished waste is lacking across the regulatory bodies. Authorities periodically make rules, but they typically never enforce them. This work is intended to act as a pilot study toward the development of such a manual. This study aims to compile essential information that will illuminate global approaches to managing demolition waste and the role of regulatory organizations in this field. Due to renovation in the world, a huge accumulation of construction and demolished waste is formed. This waste can be seen as a resource that can be recycled into new building materials. This study investigated the potential applicability of using demolition waste in cement-free binders. Completely cement-free binders were formulated using demolition waste as a substitute for fine aggregate. The properties of these binders were compared to those of traditional cement binders. It was found that the use of demolition waste in completely cement-free binders can result in materials with similar or even better properties than traditional binders. These findings suggest that the use of demolition waste in completely cement-free binders could be a viable solution for reducing the environmental impact of Construction and demolished waste.
Keywords: Debris; Demolished waste; Recycle; Cement binders
Scope: Civil Engineering
03 Improving the strength of concrete using demolition waste
