Fiber Reinforced Concrete | PDF | PPT | Seminar Report

Abstract Fiber Reinforced Concrete | PDF | PPT | Seminar Report
Fiber-reinforced concrete (FRC) is concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, fibrous material which increases its structural integrity. To improve greater impact, abrasion, and shatter–resistance in concrete, fibers of various shapes and sizes derived from steel, acrylic asbestons, glass, xylon, polyester, polyethylene, polypropylene, rayon, rock wool and natural materials are being used. Among which steel fiber is the most commonly used of all the fibers for most structural and nonstructural purposes. Fiber-reinforced concrete is considered to be a material of improved properties and not as reinforced cement concrete whereas reinforcement is provided for the local strengthening of concrete in tension region. Fibers generally used in cement concrete pavements are steel fibers and organic polymer fibers such as polyester or polypropylene.  
The seminar report and PPT on Fiber Reinforced Concrete explain the amount of fibers added to a concrete mix is expressed as a percentage of the total volume of the composite (concrete and fibers), termed "volume fraction" (Vf). Vf typically ranges from 0.1 to 3%. Fiber-reinforced concrete is generally made with a high cement content and low water/cement ratio. When well compacted and cured, concretes containing steel fibers seem to possess excellent durability as long as fibers remain protected by cement paste. Ordinary glass fiber cannot be used in Portland cement mortars and concretes because of the chemical attack by the alkaline cement paste.
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