EAS Publisher | Consequences of Fractional Substitution of Laterite with Sand on Elastic Properties of Building Blocks in Relation to their Water Absorption Rate

Consequences of Fractional Substitution of Laterite with Sand on Elastic Properties of Building Blocks in Relation to their Water Absorption Rate

DOI : https://doi.org/10.36349/easjecs.2020.v03i06.006

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A good number of structural failures can been traced to the quality of blocks used as walling materials (which provide lateral stability) in the construction of these structures. Some elastic properties which have been neglected to an extent with regards to block moulding technology were considered in this work. Blocks were produced with readily available and affordable laterite (in some locations) and fractionally substituted with river sand to reduce the effect of rising cost of river sand and also embrace the various advantages of laterite. The consequence of this substitution (10% - 40%) was considered on these elastic properties as well as the water absorption rate and the results show that inclusion of sand in the mix improved the elastic properties but reduced the durability assessed by the water absorption rate. The use of laterite in producing building blocks provides good thermal insulating and water resistance qualities as well as natural beauty and even resistance to termites, bacteria and fungi. This is beneficial in tropical regions

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