Title:
Phosphate Cement-Based Concretes Containing Silica Fume
Author(s):
Luong T. Hong and Adam S. Lubell
Publication:
Materials Journal
Volume:
112
Issue:
4
Appears on pages(s):
587-596
Keywords:
chopped glass fibers; fly ash; magnesium potassium phosphate cements; silica fume; textile glass fabrics
DOI:
10.14359/51687178
Date:
7/1/2015
Abstract:
Phosphate-based cements have been proposed as alternative binders to ordinary portland cements in concretes and mortars. This study investigated the rheological and mechanical properties of binders and sand mortars produced using a magnesium potassium phosphate cement (MPPC) in combination with silica fume and other supplementary cementing materials. A phosphonic acid retarder was used to control the setting time of the fresh mixtures. The influence of chopped glass fibers or textile glass fabrics on the properties was also examined. The introduction of silica fume within the binder resulted in significant increases in the compressive strength at both early and extended ages. At 90 days, the average modulus of rupture was 4.2% of the corresponding cylinder compressive strengths. Moderate increases in compressive strength and significant increases in flexural strength were observed after the addition of chopped glass fibers or textile glass fabrics.
Related References:
1. Li, Z.; Ding, Z.; and Zhang, Y., “Development of Sustainable Cementitious Material,” International Workshop on Sustainable Development and Concrete Technology, Beijing, China, May 20-21, 2004, pp. 55-76.
2. Wagh, A. S., Chemically Bonded Phosphate Ceramics: Twenty-First Century Material with Diverse Applications, Elsevier Science, Oxford, UK, 2004, 304 pp.
3. Sarkar, A. K., “Hydration/Dehydration Characteristics of Struvite and Dittmarite Pertaining to Magnesium Ammonium Phosphate Cement System,” Journal of Materials Science, V. 26, No. 9, 1991, pp. 2514-2518. doi: 10.1007/BF01130204
4. Wagh, A. S., and Jeong, S. Y., “Chemically Bonded Phosphate Ceramics: I, A Dissolution Model of Formation,” Journal of the American Ceramic Society, V. 86, No. 11, 2003, pp. 1838-1844. doi: 10.1111/j.1151-2916.2003.tb03569.x
5. Tassew, S. T., and Lubell, A. S., “Properties of Phosphate-based Cement with High Fly Ash Contents,” Advances in Green Binder Systems, SP-294, N. Neithalath and J. Hicks, eds., American Concrete Institute, Farmington Hills, MI, 2013, 16 pp.
6. Qiao, F. L.; Chau, C. K.; and Li, Z., “Properties Assessment of Magnesium Phosphate Cement,” Key Engineering Materials, V. 400-402, 2009, pp. 115-120. doi: 10.4028/www.scientific.net/KEM.400-402.115
7. Qiao, F.; Chau, C. K.; and Li, Z., “Properties Evaluation of Magnesium Phosphate Cement Mortar as Patch Repair Material,” Construction & Building Materials, V. 24, No. 5, 2010, pp. 695-700. doi: 10.1016/j.conbuildmat.2009.10.039
8. Ding, Z., and Li, Z., “Effect of Aggregate and Water Content on the Properties of Magnesium Phospho-Silicate Cement,” Cement and Concrete Composites, V. 27, No. 1, 2005, pp. 11-18. doi: 10.1016/j.cemconcomp.2004.03.003
9. Tassew, S. T.; Mutsuddy, R.; Bindiganavile, V. S.; and Lubell, A. S., “Drop-weight Impact Response of Glass-fiber Reinforced Ceramic Concrete,” High Performance Fiber Reinforced Cement Composites 6, G. J. Parra-Montesinos, H. W. Reinhardt, and A. E. Naaman, eds., RILEM, 2012, pp. 289-296.
10. Tassew, S. T., and Lubell, A. S., “Textile Reinforced Ceramic Composites for Structural Infill Slab Applications,” 34th IABSE Symposium, Venice, Italy, 2010, 8 pp.
11. ACI Committee 116, “Cement and Concrete Terminology (ACI 116R-90),” American Concrete Institue, Farmington Hills, MI, 1990, 58 pp.
12. Hong, L. T., “Properties of Concretes and Wood Composites Using a Phosphate-based Binder,” master’s thesis, University of Alberta, Edmonton, AB, Canada, 2013, 206 pp.
13. Glauberman, N., “BASF Celebrates 25 Years of Sustainable Construction Leadership with DELVO Stabilizer Hydration-Controlling Admixture Technology,” BASF, Cleveland, OH, Nov. 1, 2011, http://www.basf.com/group/corporate/en/news-and-media-relations/news-releases/news-releases-usa/P-10-011. (last accessed Nov. 25, 2014)
14. Eubank, W. R., “Calcination Studies of Magnesium Oxides,” Journal of the American Ceramic Society, V. 34, No. 8, 1951, pp. 225-229. doi: 10.1111/j.1151-2916.1951.tb11644.x
15. Tassew, S. T., and Lubell, A. S., “Mechanical Properties of Lightweight Ceramic Concrete,” Materials and Structures, V. 45, No. 4, 2012, pp. 561-574. doi: 10.1617/s11527-011-9782-1
16. ASTM C1437-07, “Standard Test Method for Flow of Hydraulic Cement Mortar,” ASTM International, West Conshohocken, PA, 2007, 2 pp.
17. ASTM C191-08, “Standard Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle,” ASTM International, West Conshohocken, PA, 2008, 8 pp.
18. ASTM C39/C39M-09, “Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens,” ASTM International, West Conshohocken, PA, 2009, 7 pp.
19. ASTM C617-10, “Standard Practice for Capping Cylindrical Concrete Specimens,” ASTM International, West Conshohocken, PA, 2010, 6 pp.
20. ASTM C469-02, “Standard Test Method for Static Modulus of Elasticity and Poisson’s Ratio of Concrete in Compression,” ASTM International, West Conshohocken, PA, 2002, 5 pp.
21. ASTM C78/C78M-10, “Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third Point Loading),” ASTM International, West Conshohocken, PA, 2010, 4 pp.
22. Sigvaldason, O. T., “The Influence of Testing Machine Characteristics Upon the Cube and Cylinder Strength of Concrete,” Magazine of Concrete Research, V. 18, No. 57, 1966, pp. 197-206. doi: 10.1680/macr.1966.18.57.197
23. Tassew, S. T., and Lubell, A. S., “Mechanical Properties of Glass Fiber Reinforced Ceramic Concrete,” Construction & Building Materials, V. 51, 1 2014, pp. 215-224. doi: 10.1016/j.conbuildmat.2013.10.046
24. BS 1881-115:1986, “Testing Concrete, Part 115—Specification for Compression Testing Machines for Concrete,” British Standards Institution, London, UK, 1986, 14 pp.
25. Tucker, J., “Statistical Theory of the Effect of Dimensions and of Method of Loading upon the Modulus of Rupture of Beams,” ASTM Proceedings, V. 41, 1941, pp. 1072-1094.
26. Carpinteri, A., and Chiaia, B., “Embrittlement and Decrease of Apparent Strength in Large-sized Concrete Structures,” Sadhana, V. 27, No. 4, 2002, pp. 425-448. doi: 10.1007/BF02706992