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RISEffect of Natural Wollastonite Microfibers on Early-Age Behavior of UHPC
Publisher: American Society of Civil Engineers
Abstract: In this study, the effect of incorporating wollastonite microfibers in ultrahigh performance concrete (UHPC) on its early-age properties was investigated. Wollastonite microfibers were added at 0, 4, 8, and 12% as partial ...
Integrated Condition Rating Model for Reinforced Concrete Bridge Decks
Publisher: American Society of Civil Engineers
Abstract: Most commonly used bridge condition rating systems utilize data emanating from visual inspection reports, inevitably associated with considerable uncertainty. This could possibly lead to unnecessary repair actions or ...
Crack Self-Healing in NaOH-Activated Slag-Based Composites Incorporating Calcium Hydroxide
Publisher: ASCE
Abstract: Geopolymers and alkali-activated materials (AAM) have emerged as a promising sustainable alternative to ordinary Portland cement (OPC). Although much effort has recently been devoted to a wide range of research on the ...
Grouts Incorporating Supplementary Cementitious Materials for Two-Stage Concrete
Publisher: American Society of Civil Engineers
Development of Eco-Efficient Fly Ash–Based Alkali-Activated and Geopolymer Composites with Reduced Alkaline Activator Dosage
Publisher: ASCE
Abstract: The eco-efficiency and economy of geopolymer composites largely depend on their alkaline activator dosage. In this study, the effect of applying a pre-setting pressure and variation of the aggregate-to-fly ash ratio on the ...