Paper Title:
Cost Effectiveness of Scheffe’s Optimized Five-Component-Concrete with Mound Soil as a Mix Component
  Abstract

The paper examined the cost benefit of optimized five-component-concrete mix. Mound Soil randomly selected from Iyeke-Ogba in Benin City was used as a case study of a fifth component in the concrete mix. The work applied Scheffe’s optimization technique to obtain concrete mix proportions. A mathematical model for the optimizing concrete of five components namely; cement, fine aggregate, mound soil, coarse aggregates and water/cement (w/c) ratio, was developed. Cube samples measuring 150mm x 150mm x 150mm were made with the developed mixes and compared with the results of a standard 1:2:4 mix. The samples were tested at 7, 14 and 28 days for compressive strength. The costs of producing a unit volume of the concretes were determined and compared. The results showed that the standard mix gave a 28th day maximum strength of at a w/c of 0.5 and the theoretically optimized design mix gave a mix proportion of 1.00:1.59:0.46:3.34:0.53 and a compressive strength of. This mix was tested experimentally and it gave, representing an increase of 15.33%. The cost benefit analysis showed that Scheffe’s optimized mound soil concrete, MSC was 15% more economical than the standard mix plain concrete.

  Info
Periodical
Chapter
Chapter 1: Construction and Structures
Edited by
A.O. Akii Ibhadode
Pages
33-40
DOI
10.4028/www.scientific.net/AMR.367.33
Citation
O.U. Orie, N.N. Osadebe, "Cost Effectiveness of Scheffe’s Optimized Five-Component-Concrete with Mound Soil as a Mix Component", Advanced Materials Research, Vol. 367, pp. 33-40, 2012
Online since
October 2011
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Price
$32.00
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