Increasing mechanical strength and acid resistance of geopolymers by incorporating different siliceous materials
作者： Wei Zhang , Xiao Yao , Tao Yang , Cun Liu , Zuhua Zhang
DOI: 10.1016/J.CONBUILDMAT.2018.03.195
关键词: Composite material 、 Compressive strength 、 Glass microsphere 、 Slag 、 Extent of reaction 、 Fly ash 、 Materials science 、 Geopolymer 、 Microstructure 、 Well cementing
摘要: Abstract This study, for the first time, reports using hollow glass microsphere waste (HGMW) and quartz powder (QP) to improve compressive strength sulphuric acid resistance of fly ash/slag based geopolymers (AAFS), which is aimed oil-gas well cementing other uses where corrosion medium exists. Due lower reactivity HGMW QP compared ash slag, their incorporation needs a high temperature curing process (at 80 °C in this study) obtain certain extent reaction. The resulting product with 5% exhibits higher than neat AAFS. After exposure 90 days, cured samples show less susceptibility attack comparison those at room without QP. It confirmed that better mixture addition AAFS due more crosslinked compact microstructure. In addition, volume stability geopolymer binders also assessed found be satisfying under both ambient conditions.
usq.edu.au
sci-hub.se 参考文章(47)
Xiao Yao, Tao Yang, Zuhua Zhang, Compressive strength development and shrinkage of alkali- activated fly ash-slag blends associated with efflorescence Materials and Structures. ,vol. 49, pp. 2907- 2918 ,(2016) , 10.1617/S11527-015-0694-3
Ana M Fernandez-Jimenez, Angel Palomo, Cecilio Lopez-Hombrados, Engineering Properties of Alkali-Activated Fly Ash Concrete Aci Materials Journal. ,vol. 103, pp. 106- 112 ,(2006) , 10.14359/15261
F Puertas, S Martı́nez-Ramı́rez, S Alonso, T Vázquez, Alkali-activated fly ash/slag cements: Strength behaviour and hydration products Cement and Concrete Research. ,vol. 30, pp. 1625- 1632 ,(2000) , 10.1016/S0008-8846(00)00298-2
Benjamin C. McLellan, Ross P. Williams, Janine Lay, Arie van Riessen, Glen D. Corder, Costs and carbon emissions for geopolymer pastes in comparison to ordinary portland cement Journal of Cleaner Production. ,vol. 19, pp. 1080- 1090 ,(2011) , 10.1016/J.JCLEPRO.2011.02.010
Y. Ma, G. Ye, The shrinkage of alkali activated fly ash Cement and Concrete Research. ,vol. 68, pp. 75- 82 ,(2015) , 10.1016/J.CEMCONRES.2014.10.024
Tao Yang, Xiao Yao, Zuhua Zhang, Quantification of chloride diffusion in fly ash–slag-based geopolymers by X-ray fluorescence (XRF) Construction and Building Materials. ,vol. 69, pp. 109- 115 ,(2014) , 10.1016/J.CONBUILDMAT.2014.07.031
Ailar Hajimohammadi, John L. Provis, Jannie S.J. van Deventer, The effect of silica availability on the mechanism of geopolymerisation Cement and Concrete Research. ,vol. 41, pp. 210- 216 ,(2011) , 10.1016/J.CEMCONRES.2011.02.001
Antonio A Melo Neto, Maria Alba Cincotto, Wellington Repette, None, Drying and autogenous shrinkage of pastes and mortars with activated slag cement Cement and Concrete Research. ,vol. 38, pp. 565- 574 ,(2008) , 10.1016/J.CEMCONRES.2007.11.002
T. Bakharev, Resistance of geopolymer materials to acid attack Cement and Concrete Research. ,vol. 35, pp. 658- 670 ,(2005) , 10.1016/J.CEMCONRES.2004.06.005
Alaa M. Rashad, Sayieda R. Zeedan, Hassan A. Hassan, A preliminary study of autoclaved alkali-activated slag blended with quartz powder Construction and Building Materials. ,vol. 33, pp. 70- 77 ,(2012) , 10.1016/J.CONBUILDMAT.2011.12.104