Effect of fiber types on creep behavior of concrete

Effect of fiber types on creep behavior of concrete ...

Fibers with elastic modulus much higher than plain concrete can clearly restrict creep, while fibers with lower elastic modulus have the opposite effect. For example, 2% volumetric blending of steel fiber reduces specific creep by 25.1%, compared with plain concrete, while 0.9 kg/m 3 mass blending of PVA fibers increases it by 19.9%. The internal defects introduced by fiber addition, i.e., the fiber-concrete interfacial zone and non-uniform fiber distribution, weakens its creep resistance.

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Effect of fiber types on creep behavior of concrete | Request PDF

Elastic modulus of fiber is a significant factor influencing concrete creep, and fibers with elastic modulus higher than plain concrete can restrict creep, while the plastic fibers promote creep ...

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Creep of Cracked Fiber Reinforced Concrete by Megha ...

the subject of compression creep of concrete is well developed, use of concrete under tension loads has been limited at best due to brittleness of concrete. However with the advent of using fiber reinforced concrete, more and more applications where concrete is expected to carry tensile loads due to incorporation of fibers is gaining popularity.

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Creep of polymeric fiber reinforced concrete: A numerical ...

Jun 01, 2020 · Research has shown that the creep behavior of cracked FRC can be attributed to the combined effect of the creep behavior of (1) individual fibers, (2) the fiber-matrix interface and (3) the concrete matrix , . In most structural design codes, the interaction between fibers and matrix is not explicitly taken into account, but FRC is rather considered to be a one-phased material.

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Effect of Steel Fiber on Creep Behavior of Concrete

The interface layer between fiber and concrete matrix can increase the creep of concrete. The effect of interface layer on the creep increases at an excessive dosage of steel fiber.

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Effect of fiber type and content on the flexural behavior of ...

Aug 01, 2019 · The effect of fiber types and fractions on the flexural behaviors of High Strength Concrete (HSC) beams with minimum reinforcement ratios were investigated experimentally. The main parameters in the conducted study were fiber type, the volume fraction of fiber and axial reinforcement ratio.

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Flexural Creep Behavior of Steel and Polypropylene Fiber ...

Jul 27, 2020 · While the mechanism responsible for the time-dependent crack opening of steel fibre reinforced concrete has been associated with the fibre pull-out, a combination of pull-out creep and fibre creep...

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creep in concrete Topic

A Predicting Method for Long-Term Behavior of Reinforced Concrete Moment Frames. Publication: Structural Journal Date: 11/1/2019 Effects of Temperature and Stress on Creep Behavior of PP and Hybrid Fiber Reinforced Reactive Powder Concrete. Publication: IJCSM

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Effects of Temperature and Stress on Creep Behavior of PP and ...

Aug 22, 2019 · Creep of Steel fiber reinforced RPC at high temperature was investigated by Abid et al. . Results showed that creep increased with increasing stress level and temperature. Since different fibers types have different effects/mechanism under high temperature, therefore their high-temperature creep behavior should be studied separately for RPC.

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Creep behavior of nylon fiber-reinforced asphalt concrete ...

Apr 08, 2017 · The research was planned to be conducted for investigating the effect of fiber content, stress level and temperature on the creep property of nylon fiber-reinforced asphalt concrete. To investigate the effect of fiber content and stress level on the creep property, using the same aggregate gradation and asphaltic binder, different nylon fiber ...

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A review on effect of different fiber types on fiber ...

Keywords: Concrete, Fiber Reinforced, Concrete behavior, Flexural strength, Durability. Abstract This paper aims at comparing the change in the behavior and properties of concrete after addition of fiber and the effect of type, shape and distribution of fibers in concrete mixture on compressive strength, tensile strength, bending strength ...

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Creep effect on the behavior of concrete beams reinforced ...

The effect of different environmental conditions on the creep behavior of concrete beams reinforced with glass fiber reinforced polymer (GFRP) bars under sustained loads is investigated. This is achieved through testing concrete beams reinforced with GFRP bars and subjected to a stress level of about 20–25% of the ultimate stress of the GFRP ...

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Short-term and creep pull-out behavior of polypropylene ...

Aug 30, 2017 · In this paper, the results of short-term and creep pull-out tests of two different fiber types from a concrete matrix are considered. In the following, the fiber types are denoted as type A and type B, the latter being a newer and upgraded type A fiber. In total, 85 pull-out tests were executed with variable embedded lengths ℓ and angles θ.

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Uniaxial Tensile Creep Behavior of Two Types of Polypropylene ...

Apr 29, 2018 · Polymeric fiber reinforced concrete (PFRC) can be designed according to the Model Code 2010, but no design guidelines are given to take creep behavior into account. In this work, the results of a multiscale experimental campaign into the crack-widening mechanisms of PFRC are detailed.

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BEHAVIOR OF STEEL FIBER REINFORCED CONCRETE SLAB DUE TO ...

1 Steel fiber type Undulated 11 2 Steel fiber types flat 11 3 Steel fiber type Hooked 12 4 (a) Size of steel fiber 13 4 (b) Type of steel fibers used in this research 13 5 Construction SFRC slab in Giant Hypermarket 14 6 The Stress strain behavior of steel fiber for normal concrete strength containing 50 mm hooked end. 17 7

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Fiber Reinforced Concrete - Types, Properties and Advantages

1. Steel Fiber Reinforced Concrete. A no of steel fiber types are available as reinforcement. Round steel fiber the commonly used type are produced by cutting round wire in to short length. The typical diameter lies in the range of 0.25 to 0.75mm. Steel fibers having a rectangular c/s are produced by silting the sheets about 0.25mm thick.

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Systematic Review on the Creep of Fiber-Reinforced Concrete

Fiber-reinforced concrete (FRC) is increasingly used in structural applications owing to its benefits in terms of toughness, durability, ductility, construction cost and time. However, research on the creep behavior of FRC has not kept pace with other areas such as short-term properties. Therefore, this study aims to present a comprehensive and critical review of literature on the creep ...

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Creep Behaviour of Cracked High Performance Fibre Reinforced ...

Dec 24, 2016 · Even though the presence of fibres in concrete helps to control the deformations, these may increase under the effect of a sustained load. To analyse the effect of creep in pre-cracked HPFRC elements, twelve beams reinforced with either glass or steel fibres with dimensions 40 × 80 × 1200 mm were tested under a three-point configuration.

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Creep behaviour of cracked steel and macro-synthetic fibre ...

Oct 12, 2015 · Abstract. The study of creep behaviour of fibre concrete in cracked conditions is nowadays one of the main subjects of interest; many research groups in the world are working on this matter and the development of test methods and the definition of parameters for its characterization becomes an urgent necessity.

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(PDF) Tensile and Compressive Creep Behaviors of Amorphous ...

In this study, the creep behaviors of amorphous steel fiber-reinforced concrete were investigated. Two different types of tests were carried out to evaluate the effect of amorphous steel fibers on ...

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Creep of Cracked Fiber Reinforced Concrete - CORE

The experimental reports document the effect of loading and temperature on the creep characteristics of concrete. A variety of study has been carried out for the different responses generated by the creep tests based on factors like effect of temperature and humidity, effect of fiber content, effect of fiber type, and effect of different ...

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Effect of fiber shape on mechanical behavior of steel fiber ...

diameters. This paper introduces experimental study relevant to impact of fiber shape on mechanical behavior of steel fiber in fiber reinforced concrete FRC using three femouse steel fiber types and different cases of embedded length into concrete matrix.

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Effect of Different Steel Fiber Type and Content in Flexural ...

In the research study, the effect of different fiber contents to flexural behavior of the Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) was investigated experimentally. Various prismatic beam specimens with a dimension of 100×100×400 mm including two types of end-hooked steel fibers (aspect ratios: 30/0.55 and 60/0.75) in macro

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[PDF] Effect of Different Steel Fiber Type and Content in ...

In the research study, the effect of different fiber contents to flexural behavior of the Ultra-High Performance Fiber Reinforced Concrete (UHPFRC) was investigated experimentally. Various prismatic beam specimens with a dimension of 100×100×400 mm including two types of end-hooked steel fibers (aspect ratios: 30/0.55 and 60/0.75) in macro forms and one short straight steel fiber (aspect ...

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MECHANICAL AND SHRINKAGE BEHAVIOR OF FIBER REINFORCED SELF ...

with increased. The effect of different admixtures on shrinkage properties of self-compacted concrete was studied by Kar S. and Sanjay S. S [12]. They observed a positive effect for admixtures on the shrinkage of SCC. Ghezal, A. and Assaf, G. [13] studied the flexural creep behavior of self-compacted concrete by

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Investigating the Effect of Loading Rate on the Behavior of ...

In line with determining the correct behavior of plastic concrete, investigating the effect of loading rate on the behavior of this concrete is considered as one of the factors affecting the stress-strain curve. In this research, in addition to studying fiber effects on the plastic concrete behavior, concrete samples were made with no fibers ...

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Creep Deformation of Fiber Reinforced Plastics-Plated ...

The problem of long-term creep deformation of reinforced concrete tensile elements strengthened by external fiber reinforced plastic (FRP) plates is studied. Formation of discrete cracks in concrete under tension is taken into account.

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Polypropylene Fiber Reinforced Concrete : An Overview

Creep and shrinkage properties of concrete: Fibers reduce creep strain, which is defined as the time-dependent deformation of concrete under a constant stress. Compressive creep values, however, may be only 10 to 20% of those for normal concrete.

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Effect of Fibers on High-Temperature Mechanical Behavior and ...

This study was aimed to investigate the effect of steel, polypropylene (PP), and hybrid (steel + PP) fibers on high-temperature mechanical properties of reactive powder concrete (RPC). The mechanical properties considered are cubic compressive strength, axial or prismatic compressive strength, split-tensile strength, flexural strength, elastic modulus, peak strain, and stress-strain behavior ...

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A comparative study of the creep behavior of laminated ...

creep of 0, 70 UTS according to recommendations of the ACI 440.4R04 (American Concrete Institute - ACI 440.4R-04, 2004). According to this literature review, it is noted that few studies have been performed on the effect of type of matrix used on creep behavior of fabric-based laminated

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