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http://dx.doi.org/10.5762/KAIS.2015.16.1.814

A Study on Crack Reduction of Covering Concrete with Fibers in Basement  

Kim, Dae-Geon (Division of Architecture, Cheil Industries)
Park, Hyun-Jung (Division of Architecture, Silla University)
Lee, Dong-Un (Division of Architecture & Civil Engineering, Dongseo University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.16, no.1, 2015 , pp. 814-821 More about this Journal
Abstract
The purpose of this study is to estimate crack reduction properties of covering concrete with fibers in basement. Air contents, slump, compressive strength, tensile strength and plastic shrinkage has been tested to conduct the optimum addition ratio and type of fiber. The results is a following. For the properties of air contents, all of the specimens added fibers shown the higher than plain concrete. For the flowability, slump decreased about 40-80% when all of the specimens added fibers. For the strength properties, the specimens added nylon fiber shown higher compressive and tensile strength about 5-15% comparing with other concrete. For the plastic shrinkage, cracking decreased when the fiber added comparing with plain concrete. Especially, when nylon fiber added in the concrete, the plastic shrinkage did not occurred. For the overall consideration, when the addition ratio of nylon fiber is 0.6%, the press concrete is identified as showed optimum properties.
Keywords
Press Concrete; Nylon Fiber; Slump; Compressive Strength; Plastic Shrinkage;
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