Development of self-compacting concrete using contrast constant factorial design

Arabi N.S. Alqadi, Kamal Nasharuddin Mustapha, Sivakumar Naganathan, Qahir N.S. Al-Kadi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The objective of this study is to determine if adjustment of the four factors viz. cement content (C), water to powder (w/p) ratio, fly ash (FA) content, and superplasticizer (SP) will increase the compressive strength of self-compacting concrete (SCC) by using contrast constant factorial design and response surface methodology. The method of the analyzing 2k factorial design that is a design with k factors each at two levels was used with 16 factorial points. It is concluded that the interactions of the parameters of a couple effect of C with SP, w/p with SP, FA with SP, and C with FA and SP in a full quadratic model are the only significant effects and the underlying assumptions of the analysis are satisfied. In maximizing compressive strength, variables such as cement content A or x1, water to powder ratio B or x2, fly ash content C or x3, and super plasticizer dosage D or x4 should be at a high level of significance and the process is relatively robust (exhibiting strength) to superplasticizer D.

Original languageEnglish
Pages (from-to)105-112
Number of pages8
JournalJournal of King Saud University - Engineering Sciences
Volume25
Issue number2
DOIs
Publication statusPublished - 01 Jul 2013

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Coal Ash
Self compacting concrete
Fly ash
Powders
Compressive strength
Water
Cements
Plasticizers

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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Development of self-compacting concrete using contrast constant factorial design. / Alqadi, Arabi N.S.; Mustapha, Kamal Nasharuddin; Naganathan, Sivakumar; Al-Kadi, Qahir N.S.

In: Journal of King Saud University - Engineering Sciences, Vol. 25, No. 2, 01.07.2013, p. 105-112.

Research output: Contribution to journalArticle

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