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Mechanical and Durability Properties of Fly Ash Blended Concrete with Gi Fiber
Over the last few decades, the global production of building materials has increased. Concrete is one of the highly used construction materials and in recent year different types of concretes are prevailing. Fly ash blended concrete with galvanized iron (GI) fiber is a type of concrete in which the cement can be partially or fully replaced by fly ash. This study investigates the influence of fly ash and GI fiber on the engineering properties of concrete by replacing different percentages of cement (5, 10 and 15 by weight) with fly ash and by adding 0.5% (by volume) GI fiber into the concrete. Workability, compressive strength, splitting tensile strength, flexural strength, stress strain response under axial compression, durability at high temperature are the engineering properties that have been investigated. It was found that concrete up to 15% fly ash and fiber showed better result of compressive strength than concrete without fly ash and fiber. The splitting tensile strength was also found to be highest in concrete with 15% fly ash and 0.5% fiber. The flexural strength of fiber reinforced concrete with fly ash has been examined by loading concrete beams. According to the findings, increasing the percentage of fly ash and adding GI fiber improved flexural strength and changed the stress strain response of fly ash blended concrete with GI fiber from brittle to ductile. The durability test results showed that higher percentages of fly ash decreased the strength reduction between compressive stresses at high temperature (500 °C) and room temperature (25 °C).
Mechanical and Durability Properties of Fly Ash Blended Concrete with Gi Fiber
Over the last few decades, the global production of building materials has increased. Concrete is one of the highly used construction materials and in recent year different types of concretes are prevailing. Fly ash blended concrete with galvanized iron (GI) fiber is a type of concrete in which the cement can be partially or fully replaced by fly ash. This study investigates the influence of fly ash and GI fiber on the engineering properties of concrete by replacing different percentages of cement (5, 10 and 15 by weight) with fly ash and by adding 0.5% (by volume) GI fiber into the concrete. Workability, compressive strength, splitting tensile strength, flexural strength, stress strain response under axial compression, durability at high temperature are the engineering properties that have been investigated. It was found that concrete up to 15% fly ash and fiber showed better result of compressive strength than concrete without fly ash and fiber. The splitting tensile strength was also found to be highest in concrete with 15% fly ash and 0.5% fiber. The flexural strength of fiber reinforced concrete with fly ash has been examined by loading concrete beams. According to the findings, increasing the percentage of fly ash and adding GI fiber improved flexural strength and changed the stress strain response of fly ash blended concrete with GI fiber from brittle to ductile. The durability test results showed that higher percentages of fly ash decreased the strength reduction between compressive stresses at high temperature (500 °C) and room temperature (25 °C).
Mechanical and Durability Properties of Fly Ash Blended Concrete with Gi Fiber
Lecture Notes in Civil Engineering
Walbridge, Scott (editor) / Nik-Bakht, Mazdak (editor) / Ng, Kelvin Tsun Wai (editor) / Shome, Manas (editor) / Alam, M. Shahria (editor) / el Damatty, Ashraf (editor) / Lovegrove, Gordon (editor) / Islam, Md Jahidul (author) / Borsha, Nishat Tabassum (author) / Meghna, Nishat Naila (author)
Canadian Society of Civil Engineering Annual Conference ; 2021
Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 ; Chapter: 10 ; 135-145
2022-05-24
11 pages
Article/Chapter (Book)
Electronic Resource
English
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