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Title: Influence of the type of fiber on the structural response and design of FRC slabs
Authors: Blanco, Ana
Pujadas, Pablo
De la Fuente, Albert
Cavalaro, Sergio H.
Aguado, Antonio
Keywords: Slabs
Steel fiber
Plastic fiber
Model code
Concrete and masonry structures
Issue Date: 2016
Publisher: © American Society of Civil Engineers (ASCE)
Citation: BLANCO, A. ... et al, 2016. Influence of the type of fiber on the structural response and design of FRC slabs. Journal of Structural Engineering, 142 (9), 04016054.
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.
Description: This material may be downloaded for personal use only. Any other use requires prior permission of the American Society of Civil Engineers. This material may be found at https://ascelibrary.org/doi/10.1061/%28ASCE%29ST.1943-541X.0001515.
Sponsor: The authors wish to express their gratitude for the financial support received through Research Project BIA2010-17478: Construction processes by means of fiber reinforced concretes. The first and second authors acknowledge the grant FI provided by the Comissionat per a Universitats del DIUE de la Generalitat de Catalunya i del Fons Social Europeu.
Version: Accepted for publication
DOI: 10.1061/(ASCE)ST.1943-541X.0001515
URI: https://dspace.lboro.ac.uk/2134/32288
Publisher Link: https://doi.org/10.1061/(ASCE)ST.1943-541X.0001515
ISSN: 0733-9445
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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