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International Journal of Engineering & Technology Sciences
IJETS 2024, 12 pages - Article ID: IJETS-2405202112891
Exploring Crack Reduction in High-Performance Concrete: The Impact of Nano-Silica, Polypropylene, and 4D Metallic Fibers
Authors
Mohammadfarid Alvansazyazdi a,b,c,
Diego Farinango b,
Javier Yaucan b,
Alexander Cadena b,
Jorge Santamaria b,
Pablo M. Bonilla d,
Mario Leon b,
Alexis Debut e,
Mahdi Feizbahr f,
Luis Torres b,g,
Byron Ayala b
Institute of Science and Concrete Technology, ICITECH, Universitat Politècnica de València,Spain.
Faculty of Engineering and Applied Sciences, Civil Engineering Department, Central University of Ecuador, Av. Universitaria, Quito 170521, Ecuador.
Faculty of Engineering, Industry and Construction, Civil Engineering Department, Laica Eloy Alfaro de Manabi University, Manabi Manta, Ecuador.
Faculty of Engineering and Applied Sciences, School of Civil Engineering, Central University of Ecuador, Av. Universitaria, Quito 170521, Ecuador.
Department of Life Sciences and Agriculture, Center for Nanoscience and Nanotechnology, University of the Armed Forces ESPE, Sangolquí 171103, Ecuador.
School of Civil Engineering, Engineering Campus, University Sains Malaysia, Nibong Tebal , Penang, Malaysia.
Benito Juarez University, 36th Street Nte. 1609, Christopher Columbus, 72330 Heroic Puebla de Zaragoza, Pue., Mexico.
ABSTRACT
By contrasting plain concrete, high-performance concrete (HPC) with nano-silica, high-performance concrete with polypropylene fiber addition, and high-performance concrete with 4D metallic fiber addition, this work aims to verify crack control. Getting data on the mechanical and physical characteristics of pure concrete is the first stage in the process. The HPC mixes and the HPC mixtures with fiber addition will next be evaluated in a "air chamber," a controlled environment device built in accordance with ASTM C-1579-13 requirements. In order to guarantee accurate findings for getting fractures due to plastic shrinkage—which happens when the evaporation rate surpasses 1 kg/m²/h—these mixes will be tested for six hours under predetermined ambient conditions. As a result, there is more surface evaporation of water than there is inward concrete water exudation. The concrete will be exposed to crack formation and evaluated both qualitatively through visual observation and quantitatively by calculating the Crack Reduction Ratio (CRR), which will be expressed as a percentage and will show how effective the fiber types used.
Concrete; Nano-silica; Polypropylene fiber; Steel fiber; Contraction; Evaporation; Crack reduction ratio (CRR).