The Effect of Retarding Chemical Superplasticizers on the Setting Time of Cement Pastes in Kenya: A Case Study of Ready Mix Concrete in Nairobi

Authors

  • Eng. Lordficus Katimi Msc in Civil and Construction Engineering, University of Nairobi P.O Box 23790-00100, Nairobi, Kenya

Keywords:

Superplasticizer, Portland pozzolanic cements, Water/cement ratio, Ready mix concrete, Setting time, Incompatibility, Traffic delays, Over-dosage, Slump retention.

Abstract

The addition of superplasticizers to concrete confers high strength and workability to it at reduced water/cement ratios.

References

. Lafarge Kenya. (2016, Jan. 30). Bamburi Nguvu Cement [Online]. Available: http://www.lafarge.co.ke/wps/portal/ke [June 30, 2016].

. East Africa Portland Cement. (2016, Jan. 30). Blue Triangle Cement [Online]. Available: http://www.eastafricanportland.com [June 30, 2016].

. Mombasa Cement. (2016, Jan. 30). Nyumba Cement [Online]. Available: http://www.mombasacement.com/index [June 30, 2016].

. M. COLLEPARDI and V. S. RAMACHANDRAN,

. BASF East Africa. (2016, Jan. 30). Master Builders Solutions [Online]. Available: https://www.basf.com [June 30, 2016].

. Sika Kenya. (2016, Jan. 30). Sika Solutions [Online]. Available: http://zaf.sika.com/en/solutions_products [June 30, 2016].

. S. COLLEPARDI, L. COPPOLA, R.TRELLI and M. COLLEPARDI,

. E. J. GONZALES, C. CHAVIS, Y. LI and C. F. DAGANZO,

. Z. A. ZAKKA and R. L. CARRASQUILLO,

. A.M. NEVILLE and J. J. BROOKS,

. BS EN 196

. D. P. WHITNEY,

. L.COPPOLA, R. TROLI, P. ZAFFARONI and M. COLLEPARDI

. T. NAWA, H. EGUCHI and Y. FUKAYA,

. M. TANAKA, S. MATSUO, A. OHTA and M. VEDA,

. V. M. MALHOTRA and V. S. RAMACHANDRAN,

Downloads

Published

2016-07-12

How to Cite

Katimi, E. L. (2016). The Effect of Retarding Chemical Superplasticizers on the Setting Time of Cement Pastes in Kenya: A Case Study of Ready Mix Concrete in Nairobi. International Journal of Sciences: Basic and Applied Research (IJSBAR), 28(2), 184–219. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5881

Issue

Vol. 28 No. 2 (2016)

Section

Articles

License

Authors who submit papers with this journal agree to the following terms.