Development of Sustainable Masonry Blocks Using Industrial Rejects and Alkali Activation

Rathod, Nikhil; Chippagiri, Ravijanya; Gavali, Hindavi R.; Ralegaonkar, Rahul V.

doi:10.1007/978-3-030-51485-3_24

Cited by 2 publications

(1 citation statement)

References 21 publications

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“…Along with these, there were a few other types of cement partially mixed with fly ash and blast furnace slag called as Portland pozzolana cement (PPC) and Portland slag cement (PSC) respectively for its use at specific locations (Kumar Gangaram Singh and Kizhakkumodom Venkatanarayanan, 2020;Singla, Kumar and Alex, 2020). Apart from these, many other researchers have developed sustainable masonry products from sugarcane bagasse ash (SBA), biobriquette ash (BBA), re-cycled paper mill waste (RPMW), construction and demolition waste (C&DW), and co-fired blended ashes (Raut et al, 2012;Dakwale and Ralegaonkar, 2014;Madurwar, Mandavgane and Ralegaonkar, 2015;Sakhare and Ralegaonkar, 2016a;Ram, Ralegaonkar and Pradhan, 2017;Gavali and Ralegaonkar, 2020;Rathod et al, 2020). In order to conserve the operational energy demand of the structures, it is appropriate to design the building materials with low thermal conductivity.…”

Section: Introductionmentioning

confidence: 99%

Development of sustainable prefabricated housing system by small-scale experimental model

Chippagiri

Brás

Ralegaonkar

2023

Proceedings of the Institution of Civil Engineers - Engineering

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Utilisation of unused industrial wastes and need for rapid volumetric construction led to the evolution of sustainable prefabricated housing elements, particularly for urban slums. An agro-industrial by-product as raw material and waste expanded polystyrene beads as the insulation material are chosen to develop a lightweight prefabricated construction element. This bio-ash is used as a partial replacement, 20% and 10% for the fine aggregates to prepare concrete and lightweight mix respectively. A small-scale model of one-third scale is conceptualised as per standards that include precast columns and beams as framed structure, and prefab panels as walling and roofing elements. These elements are developed as per the desired mix proportions of the identified raw materials. The respective laboratory specimens are evaluated for the physico-mechanical, durability, and thermal properties. The developed walling end-product is found to be 27% lighter, 8% stronger, 24% less water-absorbent, and 62% less conductive when compared with the properties of commercially available fly-ash brick. A solar photovoltaic panel is embedded into the model’s pitch roof that accommodates 71% of its generated energy to necessary electrical appliances. The material properties are found to be satisfactory for its on-site application and its final erection being 20% faster than conventional method.

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