Effect of Shrinkage Reducing Agent on Properties of Alkali-Activated Coal Gangue-Slag Cementitious Material

ZHANG Wenyan; LIN Huaxia; WANG Shuai; XUE Mengfen; RAN Junsheng; ZHU Jianping

[1] WARDHONO A, GUNASEKARA C, LAW D W, et al. Comparison of long term performance between alkali activated slag and fly ash geopolymer concretes［J］. Construction and Building Materials, 2017, 143: 272-279.

[2] LAW D W, ADAM A A, MOLYNEAUX T K, et al. Durability assessment of alkali activated slag (AAS) concrete［J］. Materials and Structures, 2012, 45(9): 1425-1437.

[3] ZHANG J, SHI C J, ZHANG Z H, et al. Durability of alkali-activated materials in aggressive environments: a review on recent studies［J］. Construction and Building Materials, 2017, 152: 598-613.

[4] SAXENA S K, KUMAR M, SINGH N B. Fire resistant properties of alumino silicate geopolymer cement mortars［J］. Materials Today: Proceedings, 2017, 4(4): 5605-5612.

[5] MYERS R J, BERNAL S A, PROVIS J L. Phase diagrams for alkali-activated slag binders［J］. Cement and Concrete Research, 2017, 95: 30-38.

[6] MOBILI A, BELLI A, GIOSU C, et al. Metakaolin and fly ash alkali-activated mortars compared with cementitious mortars at the same strength class［J］. Cement and Concrete Research, 2016, 88: 198-210.

[8] YI C, MA H Q, ZHU H G, et al. Study on chloride binding capability of coal gangue based cementitious materials［J］. Construction and Building Materials, 2018, 167: 649-656.

[10] YANG L Y, JIA Z J, ZHANG Y M, et al. Effects of nano-TiO2 on strength, shrinkage and microstructure of alkali activated slag pastes［J］. Cement and Concrete Composites, 2015, 57: 1-7.

[11] MO L W, DENG M, TANG M S. Effects of calcination condition on expansion property of MgO-type expansive agent used in cement-based materials［J］. Cement and Concrete Research, 2010, 40(3): 437-446.

[12] GONG J Q, ZENG W, ZHANG W J. Influence of shrinkage-reducing agent and polypropylene fiber on shrinkage of ceramsite concrete［J］. Construction and Building Materials, 2018, 159: 155-163.

[13] MECHTCHERINE V, SECRIERU E, SCHRFL C. Effect of superabsorbent polymers (SAPs) on rheological properties of fresh cement-based mortars： development of yield stress and plastic viscosity over time［J］. Cement and Concrete Research, 2015, 67: 52-65.

[14] RIBEIRO A B, GONALVES A, CARRAJOLA A. Effect of shrinkage reduction admixtures on the pore structure properties of mortars［J］. Materials and Structures, 2006, 39(2): 179-187.

[15] PALACIOS M, PUERTAS F. Effect of shrinkage-reducing admixtures on the properties of alkali-activated slag mortars and pastes［J］. Cement and Concrete Research, 2007, 37(5): 691-702.

[16] BLEK V, KALINA L, NOVOTNY R, et al. Some issues of shrinkage-reducing admixtures application in alkali-activated slag systems［J］. Materials, 2016, 9(6): 462.

[17] YE H L, RADLIN＇SKA A. Shrinkage mechanisms of alkali-activated slag［J］. Cement and Concrete Research, 2016, 88: 126-135.

[18] NEDELJKOVIC＇ M, AVIJA B, ZUO Y B, et al. Effect of natural carbonation on the pore structure and elastic modulus of the alkali-activated fly ash and slag pastes［J］. Construction and Building Materials, 2018, 161: 687-704.

[20] CONSTANTINIDES G, ULM F J. The nanogranular nature of C-S-H［J］. Journal of the Mechanics and Physics of Solids, 2007, 55(1): 64-90.

[21] NMEEK J, MILAUER V, KOPECKY L. Nanoindentation characteristics of alkali-activated aluminosilicate materials［J］. Cement and Concrete Composites, 2011, 33(2): 163-170.