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Characterisation of domestically discarded vegetable waste biomass ash and silica sand mixed with ordinary Portland cement concrete
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Characterisation of domestically discarded vegetable waste biomass ash and silica sand mixed with ordinary Portland cement concrete
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Journal Article
Characterisation of domestically discarded vegetable waste biomass ash and silica sand mixed with ordinary Portland cement concrete
2025
Overview
The effect of replacing cement with domestically discarded vegetable waste biomass ash (WA) and manufactured sand (M-sand) with silica sand with various combinations of fresh, hardened and microstructural properties of concrete has been investigated. The primary objective of this research is to prepare an eco-friendly cement concrete for safe environmental construction applications. Three grades of concrete, namely M30, M45 and M60 are reported in this study for which Portland cement was partially replaced by WA as 5, 10, 15 and 20 wt%. Similarly, manufactured sand was replaced by silica sand as 5, 10, 15 and 20 wt%. Various experiments are used to study the chemical and microstructural properties of raw cement, WA, manufactured sand and silica sand samples, as well as the mechanical properties of concrete blends. The WA along with silica sand with an equal replacement up to 10% increased the strength properties in comparison with the control mixture. The microstructure of the concrete blends revealed a more polished and packed pore structure. These partially replaced cement structures could be used as source material for low-strength pre-casted reinforced concrete (RCC) structures, slabs, manhole covers and paver blocks.
Publisher
Springer Berlin Heidelberg
Subject
