Influence of different monomer ratios and recycled concrete aggregate on mechanical properties and durability of geopolymer concretes

•Effect of sodium silicate to sodium hydroxide ratio and RCA were determined.•The higher SS/SH ratio, the lower the chloride ion permeability and absorption.•Deboning width at ITZ between RCA-binder decreased with the increase of SS/SH.•Polymer products in the proximity of adequate monomer ratios be...

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Veröffentlicht in:	Construction & building materials 2019-04, Vol.205, p.519-528
Hauptverfasser:	Koushkbaghi, Mahdi, Alipour, Pedram, Tahmouresi, Behzad, Mohseni, Ehsan, Saradar, Ashkan, Sarker, Prabir Kumar
Format:	Artikel
Sprache:	eng
Schlagworte:	Aggregates (Building materials) Alkali activator ratio Aluminum compounds Analysis Building materials durability Compressive strength Concretes Durability Electron microscopy Geopolymer concrete Hydroxides Microstructure properties Optical scanners Properties Recycled concrete aggregate Silicates Silicon compounds Sodium silicate
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