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    Influence of the Type of Fiber on the Structural Response and Design of FRC Slabs

    Source: Journal of Structural Engineering:;2016:;Volume ( 142 ):;issue: 009
    Author:
    A. Blanco
    ,
    P. Pujadas
    ,
    A. De la Fuente
    ,
    S. H. P. Cavalaro
    ,
    A. Aguado
    DOI: 10.1061/(ASCE)ST.1943-541X.0001515
    Publisher: American Society of Civil Engineers
    Abstract: Most codes for the design of fiber-reinforced concrete (FRC) structures are based on experience gained over the years with steel fibers. Recent codes include the possibility of applying the same considerations for FRC structures with plastic fiber. However, the consequences of assuming identical design considerations regardless of the type of fiber is scarcely known in terms of the structural behavior of full-scale elements. The main goal of this paper is to assess the influence of the type of fiber on the performance of full-scale concrete slabs, emphasizing the consequences of using a common design approach. For that, a comparative experimental study was conducted to expose differences regarding crack patterns and load-deflection behavior. Then, finite-element simulations were performed using the constitutive equations from a commonly used model code. The results indicate distinct levels of overestimation of the structural behavior measured experimentally, confirming that specific design considerations are required depending on the type of fiber used. Based on the findings, correction factors are proposed for the design of FRC slabs with each fiber.
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      Influence of the Type of Fiber on the Structural Response and Design of FRC Slabs

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4237236
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    contributor authorA. Blanco
    contributor authorP. Pujadas
    contributor authorA. De la Fuente
    contributor authorS. H. P. Cavalaro
    contributor authorA. Aguado
    date accessioned2017-12-16T08:59:55Z
    date available2017-12-16T08:59:55Z
    date issued2016
    identifier other%28ASCE%29ST.1943-541X.0001515.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4237236
    description abstractMost codes for the design of fiber-reinforced concrete (FRC) structures are based on experience gained over the years with steel fibers. Recent codes include the possibility of applying the same considerations for FRC structures with plastic fiber. However, the consequences of assuming identical design considerations regardless of the type of fiber is scarcely known in terms of the structural behavior of full-scale elements. The main goal of this paper is to assess the influence of the type of fiber on the performance of full-scale concrete slabs, emphasizing the consequences of using a common design approach. For that, a comparative experimental study was conducted to expose differences regarding crack patterns and load-deflection behavior. Then, finite-element simulations were performed using the constitutive equations from a commonly used model code. The results indicate distinct levels of overestimation of the structural behavior measured experimentally, confirming that specific design considerations are required depending on the type of fiber used. Based on the findings, correction factors are proposed for the design of FRC slabs with each fiber.
    publisherAmerican Society of Civil Engineers
    titleInfluence of the Type of Fiber on the Structural Response and Design of FRC Slabs
    typeJournal Paper
    journal volume142
    journal issue9
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0001515
    treeJournal of Structural Engineering:;2016:;Volume ( 142 ):;issue: 009
    contenttypeFulltext
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