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RISEffect of Sand Type and Content on the Fiber-Bridging and Matrix Properties of K- and K/Na-Activated Metakaolin–Based Engineered Geopolymer Composites
Publisher: American Society of Civil Engineers
Abstract: This study explored the effects of sand type [i.e., natural river sand (RS) and manufactured microsilica sand (MS)], sand content (i.e., 0%, 30%, 45%, and 60% by volume), and fiber content (i.e., 1% and 1.5% ...
Dual Self-Healing Mechanisms with Microcapsules and Shape Memory Alloys in Reinforced Concrete
Publisher: American Society of Civil Engineers
Abstract: This paper presents an evaluation of dual self-healing mechanisms in concrete, with a focus on the application of microcapsules and shape memory alloy (SMA). To achieve this objective, the study evaluated the self-healing ...
Sustainable and Pseudo-Strain-Hardening Metakaolin and Fly Ash–Based Fiber-Reinforced Geopolymer Composites Activated with Potassium: Development and Carbon Footprint Analysis
Publisher: American Society of Civil Engineers
Abstract: The present research investigated the mechanical and physical properties of ambient-cured potassium-activated metakaolin and fly ash (MKFA)–based geopolymer (GP) mortars and composites with varying binder composition, water ...
Properties of Engineered Cementitious Composites with Raw Sugarcane Bagasse Ash Used as Sand Replacement
Publisher: ASCE
Abstract: This study investigates the effects of raw sugarcane bagasse ash (SCBA) used as a partial or complete replacement for silica sand in engineered cementitious composites (ECCs). ECC mixtures with five different replacement ...