Reactivity of volcanic ash in alkaline medium, microstructural and strength characteristics of resulting geopolymers under different synthesis conditions
作者： Jean Noël Yankwa Djobo , Antoine Elimbi , Hervé Kouamo Tchakouté , Sanjay Kumar
DOI: 10.1007/S10853-016-0257-1
关键词: Volcanic ash 、 Chemical composition 、 Chemical engineering 、 Materials science 、 Dissolution 、 Composite material 、 Extent of reaction 、 Compressive strength 、 Calorimetry 、 Leaching (metallurgy) 、 Curing (chemistry)
摘要: … The relationship between Ca/Si and Na/Si shows the decrease of Ca/Si ratio with increased Na/Si ratio. This demonstrates that the presence of Ca in the gel is conditioned by the …
springer.com
harvard.edu
sci-hub.se 
researchgate.net 参考文章(42)
John L Provis, Jan Stephanus Jakob Van Deventer, Geopolymers : structure, processing, properties and industrial applications CRC , Woodhead. ,(2009)
Mark E. Smith, Kenneth J. D. MacKenzie, Multinuclear solid-state NMR of inorganic materials Pergamon. ,(2002)
Hervé Kouamo Tchakouté, Sakeo Kong, Jean Noël Yankwa Djobo, Leonel Noumbissié Tchadjié, Daniel Njopwouo, None, A comparative study of two methods to produce geopolymer composites from volcanic scoria and the role of structural water contained in the volcanic scoria on its reactivity Ceramics International. ,vol. 41, pp. 12568- 12577 ,(2015) , 10.1016/J.CERAMINT.2015.06.073
John L. Provis, Angel Palomo, Caijun Shi, Advances in understanding alkali-activated materials Cement and Concrete Research. ,vol. 78, pp. 110- 125 ,(2015) , 10.1016/J.CEMCONRES.2015.04.013
LN Tchadjié, JNY Djobo, N Ranjbar, HK Tchakouté, BB Diffo Kenne, A Elimbi, D Njopwouo, None, Potential of using granite waste as raw material for geopolymer synthesis Ceramics International. ,vol. 42, pp. 3046- 3055 ,(2016) , 10.1016/J.CERAMINT.2015.10.091
Patrick N. Lemougna, U.F. Chinje Melo, Marie-Paule Delplancke, Hubert Rahier, Influence of the chemical and mineralogical composition on the reactivity of volcanic ashes during alkali activation Ceramics International. ,vol. 40, pp. 811- 820 ,(2014) , 10.1016/J.CERAMINT.2013.06.072
N.K. Lee, H.K. Lee, Reactivity and reaction products of alkali-activated, fly ash/slag paste Construction and Building Materials. ,vol. 81, pp. 303- 312 ,(2015) , 10.1016/J.CONBUILDMAT.2015.02.022
Patrick N. Lemougna, U.F. Chinje Melo, Marie-Paule Delplancke, Hubert Rahier, Influence of the activating solution composition on the stability and thermo-mechanical properties of inorganic polymers (geopolymers) from volcanic ash Construction and Building Materials. ,vol. 48, pp. 278- 286 ,(2013) , 10.1016/J.CONBUILDMAT.2013.06.089
Dali Bondar, C.J. Lynsdale, Neil B. Milestone, N. Hassani, A.A. Ramezanianpour, Effect of type, form, and dosage of activators on strength of alkali-activated natural pozzolans Cement & Concrete Composites. ,vol. 33, pp. 251- 260 ,(2011) , 10.1016/J.CEMCONCOMP.2010.10.021
H.K. Tchakoute, A. Elimbi, E. Yanne, C.N. Djangang, Utilization of volcanic ashes for the production of geopolymers cured at ambient temperature Cement & Concrete Composites. ,vol. 38, pp. 75- 81 ,(2013) , 10.1016/J.CEMCONCOMP.2013.03.010