ASSESSMENT OF THE EFFECTIVENESS OF VARIOUS CURING METHODS ON THE QUALITY OF CONCRETE

Publication Date : 01/02/2017


Author(s) :

Ogork, E.N., Suleiman, J.A..


Volume/Issue :
Volume 12
,
Issue 1
(02 - 2017)



Abstract :

This paper evaluates the effectiveness of curing methods on the quality of concrete. Concrete grades 20 and 30 cube specimens were prepared and cured using five curing methods; submerged, jute sack, sprinkling, polythene covering and atmospheric curing for 3, 7, 14, 21 and 28 days and tested in compression. Water absorption test was also conducted on cubes cured for 28 days using the five curing methods. The concrete compressive strengths for the various curing methods were also modeled from concrete compressive strength for submerged curing using Minitab statistical software based on linear regression technique. Results showed that submerged curing is the most effective curing method, followed by jute sack, sprinkling, polythene covering and atmospheric curing. The compressive strength models were developed with R2 values of 0.981, 0.950, 0.928 and 0.758, respectively and could be used to predict the concrete compressive strength of members cured using various techniques in construction sites.


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