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| Comparative Effect Of Selected Aggregate On The Construction Of Un-Hollow Block In Oyo State, Nigeria |
Aluko, K.A, Elesho, R.O, Olatunji, B.T, Ogunwale, O.G., Adewoye, A.A, Majekodunmi, O.A
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Abstract:
The study presents a comparative analysis on the strength, water absorption and cost of un-hollow block using selected materials in replacement of the control materials which was aimed at comparing the strength and cost of production. Test was performed to compare the strength, water absorption and cost of three selected material (sawdust, river sand, granite) in replacement of control measure (stone-dust, cement) were used. The cement and aggregate replacement materials were at different proportion and percentage during mixing for each treatment where cement measure was mixed in each treatment at the ratio 2:2:1 for aggregate used. The test was performed for water absorption, compressive strength and costing of concrete un-hollow. Data obtained from the water absorption test show that treatment 3 (st6ne dust, river sand, saw dust and cement) has the highest absorption value of 12%, while treatment 2 (?4,050) has the lowest cost value to the control cost value.
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