Properties of Fiber-Reinforced Geopolymer Mortar Using Coal Gangue and Aeolian Sand

Geopolymers, as a novel cementitious material, exhibit typical brittle failure characteristics under stress. To mitigate this brittleness, fibers can be incorporated to enhance toughness. This study investigates the effects of varying polypropylene fiber (PPF) content and fiber length on the flowabi...

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Veröffentlicht in:	Materials 2024-07, Vol.17 (13), p.3225
Hauptverfasser:	Li, Yupeng, Maimait, Akelamjiang, Cheng, Jianjun, Duan, Yanfu, Chen, Yuanqing, Dong, Hongguang
Format:	Artikel
Sprache:	eng
Schlagworte:	Aggregates Brittleness Caustic soda Cement Coal Concrete mixing Crack propagation Eolian sands Failure modes Fiber pullout Fiber reinforced polymers Fibers Gangue Geopolymers Mechanical properties NMR Nuclear magnetic resonance Particle size Polypropylene Polyvinyl alcohol Porosity Raw materials Reinforced concrete Scanning electron microscopy Silica Sodium Tensile strength Toughness
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