Abstract：The present research deals with strength, porosity and hydric behavior of metakaolin cement admixtured with different types of water. The hydration of ordinary Portland cement in the presence of 0%, 10%, 20% and 30% metakaolin treated with distilled, ground and sea water with the water to cement ratio of 0.4 was studied. The experimental results on setting time, strength, porosity and hydric parameters are reported. The results show that, metakaolin percentage increases in strength with a decrease in porosity. The observed results are discussed with SEM micrographs. Further, sea water accelerates the cement hydration at the early stages but retards it in the latter stages of hydration.
. Influence of different types of water on strength,
porosity and hydric parameters of metakaolin admixtured cement[J]. Front. Mater. Sci., 2009, 3(4): 395-402.
D. GOVINDARAJAN, R. GOPALAKRISHNAN, . Influence of different types of water on strength,
porosity and hydric parameters of metakaolin admixtured cement. Front. Mater. Sci., 2009, 3(4): 395-402.
Saika N J, Sengupta P, Gogoi P K, et al. Hydration behaviour of lime-co-calcined kaolin-petroleumeffluent treatment plant sludge. Cementand Concrete Research, 2002, 32: 297―302 doi: 10.1016/S0008-8846(01)00676-7
Rojas M F. Effect of high curing temperature on the reaction kinetics in MK/limeand MK-blended cement matrices at 60°C. Cement and Concrete Research, 2006, 36: 827―831
Love C A, Richardson I G, Zhang Y, et al. Composition and structure of C-S-H in whitePortland cement-20% metakaolin pastes hydrated at 25°C. Materials Letters, 2007, 37: 109―117
Ozturk A U. Microstructural investigation on the relationship between microstructureand compressive strength of cement mortars. Computational Materials Science, 2007, 41: 127―133 doi: 10.1016/j.commatsci.2007.03.006
Paya J, Monzo J, Borrachero M V, et al. Determination of the pozzolanic activity offluid catalystic cracking residue. Thermogravimetric analysis studieson FC3R-lime pastes. Cement and ConcreteResearch, 2003, 33(7): 1085―1091 doi: 10.1016/S0008-8846(03)00014-0
Shi C, Day R L. Pozzolanic reaction in thepresence of chemical activators. Cementand Concrete Research, 2000, 30(4): 607―613 doi: 10.1016/S0008-8846(00)00214-3
Cultrone G, De la Torre M J, Sebastian E M, et al. Behavior of brick samples in aggressive environments. Water, Air, & Soil Pollution, 2000, 119: 191―207 doi: 10.1023/A:1005142612180
Khatib J M, Clay R M. Absorption characteristicsof metakaolin concrete. Cement and ConcreteResearch, 2004, 34: 19―29 doi: 10.1016/S0008-8846(03)00188-1
Poon C-S, Azhar S, Anson M, et al. Performance of metakaolin concrete at elevatedtemperatures. Cement Concrete Composites, 2003, 25: 83―89 doi: 10.1016/S0958-9465(01)00061-0
Barathan S, Govindarajan D, Sivakumar G, et al. Microwave study of hydration of cement withdifferent waters. Indian Journal of Pureand Applied Physics, 2006, 44: 334―339
Santhanam M, Cohen M, Olek J. Differentiating seawater and groundwater sulfate attackin Portland cement mortars. Cement andConcrete Research, 2006, 36: 2132―2137 doi: 10.1016/j.cemconres.2006.09.011
Palomo A, Blanco-varela M T, Granizo M L, et al. Chemical stability of cementitious materialsbased on metakaolin. Cement and ConcreteResearch, 1999, 29: 997―1004 doi: 10.1016/S0008-8846(99)00074-5
Ghorab H Y, Hilal M S, Kishar E A. Effect of mixing and curing water on the behaviour ofcement pastes and concrete Part. 1. Cementand Concrete Research, 1989, 19: 868―878 doi: 10.1016/0008-8846(89)90099-9
Shetty M S. Concrete Technology. New Delhi: S. Chand and Co. Ltd., 2004
Day R L, Marsh B K. Measurement of porosity inblended cement pastes. Cement and ConcreteResearch, 1988, 18(1): 63―73 doi: 10.1016/0008-8846(88)90122-6
Li Z, Ding Z. Property improvement of Portlandcement by incorporating with metakaolin and slag. Cement and Concrete Research, 2003, 33(4): 579―584 doi: 10.1016/S0008-8846(02)01025-6
Ganjian E, Pouya H S. Effect of magnesium and sulfateions durability of silicafume blended mixes exposed to the seawatertidal zone. Cement and Concrete Research, 2005, 35(7): 1332―1343 doi: 10.1016/j.cemconres.2004.09.028
Dalgleish B J, Pratt P L, Toulson E. Fractographic studies of microstructural developmentin hydrated Portland cement. Journal ofMaterials Science, 1982, 17: 2199―2207 doi: 10.1007/BF00543728
Kourounis S, Tsivilis S, Tsakiridis P E, et al. Properties and hydration of blended cementswith steelmaking slag. Cement and ConcreteResearch, 2007, 37: 815―822 doi: 10.1016/j.cemconres.2007.03.008
Kovler. Setting and hardening ofgypsum-portland cement-silica fume blends, Part 2: Early strength,DTA, XRD, and SEM observations. Cementand Concrete Research, 1998, 28(4): 523―531 doi: 10.1016/S0008-8846(98)00004-0
