Investigation of Waste Products of Boron and Metakaolin Utilizes

Abstract

This paper is concerned with investigation of waste products of boron and metakaolin utilizes in cement mortar.

Application of waste products leads to minimization of gross cement amount in mortar production which helps to

decrease CO2 emissions caused by manufacture of cement and recycle byproduct waste materials. Along with

supplementary materials, application of 1% Polydos TS14 solution was investigated. Physical properties such as

compressive and flexural strength at age of 2,7 and 28 days were determined and compared with reference mixture.

The results showed that cement replacement materials had affected mechanical properties, although addition of TS14

partially amortized those negative effects. The use of colemanite at the concentration over 7 wt.% showed

unacceptably low compressive and flexural strength performances. Also, replacement of Portland cement by 30 wt.%

metakaolin showed poor strength. The mixes with TS14 solution showed notable enhancement of compressive and

flexural strength. The most adequate proportions for each of supplementary materials have been designed.

Keywords

• Mortar,Colemanite,Boron,Metakaolin,Polydos TS1

References

1. 1. BS EN 197 Cement Part 1: Composition, specifications and conformity criteria for common cements. 2015
2. 2. S. Targan, Y. Erdogan, O.Gencel, U. Avciata, “Influence of colemanite admixture on Portland cement durability”, BU, DU, CBU, YTU, Turkey, 2011.
3. 3. I. Kula, A. Olgun, Y. Erdogan, V. Sevinc, “Effects of colemanite waste, cool bottom ash, and fly ash on the properties of cement”, CBU, DU, SU, Turkey, 2000.
4. 4. Polydos TS 14 Bayındırlık Bakanlığı Poz No: 04.613/1-A3.
5. 5. P.H. Kemp, “The Chemistry of Borax”, Part 1. Borax Consolidated Limited, S.W.I., London, 1956.
6. 6. Gruber, K. A., and Sarkar, S. L., 1996, “Exploring the Pozzolanic Activity of High Reactivity Metakaolin,” World Cement, V. 27, No. 2
7. 7. BS EN 196-1 Methods of testing cement — Part 1: Determination of strength. 2005.
8. 8. Ş. Targan, A. Olgun, Y. Erdogan, V. Sevinc, “Influence of natural pozzolan, colemanite ore waste, bottom ash, and fly ash on the properties of Portland cement”, CBU, DU, SU, Turkey, 2003.

9. 9. M. Narmatha1, Dr. T.Felixkala, “Analysis the Mechanical Properties of Metakaolin using as a Partial Replacement of Cement in Concrete”, Educational Research Institute University, Chennai, India, 2017.
10. 10. Hooton, R. D.; Gruber, K.; and Boddy, A., 1997, “The Chloride Penetration Resistance of Concrete Containing High-Reactivity Metakaolin,” Proceedings of a PCI/FHWA International Symposium on High- Performance Concrete, New Orleans, La., pp. 172-183.