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Effect of fiber types on creep behavior of concrete

8 ELASTO PLASTIC BEHAVIOR OF 3 DIMENSIONAL

2014-12-2 · and dowel action of reinforcement, time dependent behavior as creep and shrinkage [1]. Consequently, a proper material modelshould be capable to represent the behavior of materials, including elastic and elasto-plastic behavior of concrete in

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Effect of fiber types on creep behavior of concrete

Commonly used fibers, for example steel fiber, polypropylene (PP) fiber, polyvinyl alcohol (PVA) fiber and basalt fiber influence the creep behavior of concrete, which has important effect on concrete long-term deformation performance. Several authors hav

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(PDF) Repeated Creep Behavior of Polypropylene Fiber

fiber reinforced specimens conform very well to the typical creep The observation can be made that the life of the fiber rein- curve of a viscoelastic, elasto-plastic and thermoplastic material forced specimens under repeated creep testing is approximatel

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Effects of Variable Humidity on the Creep Behavior of

2018-3-26 · The influences of variable humidity on the creep behaviors of concrete and the long-term deflections of RC beams are analyzed in this paper. A total of 6 prismatic specimens and 5 RC beams were subjected to sustained loads and 3 types of varia

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VOLUME CHANGES AND CREEP OF CONCRETE

2014-12-4 · occurs until the "fiber saturation” point was reached, and then there was pronounced ... stress and the creep of concrete. Because of the effect of strength on creep, at a given stress level, lower creep values were obtained for the longer ...

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Creep Behavior of Concrete Elements Strengthened with

2017-10-30 · dry and thermal cycles. The chemical action considered is the effect of chlorides. Lastly, two types of loading are considered: sustained (creep) and fatigue loads. Figure 1: Flowchart of the R&D project CutInDur The present paper will focus

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EFFECT OF RECYCLED COARSE AGGREGATE ON

2015-8-15 · EFFECT OF RECYCLED COARSE AGGREGATE ON ... modulus synthetic macro-fiber, and flat-end steel fiber were investigated for long-term creep behavior in cracked concrete specimens. Results indicated that the high-modulus synthetic macro-fiber had

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Setting behavior and shrinkage of high performance

2018-8-11 · fly ash was evaluated as a good SCM to reduce both types of shrinkage. Figure 5(b). Effect of fly ash on free drying shrinkage of mortar ... drying shrinkage behavior of cellulose fiber-reinforced cementitious materials,” Cement and Concrete C

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Polypropylene Fiber Reinforced Concrete : An Overview

2019-9-1 · This paper presents an overview of the effect of polypropylene (PP) fibers on various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural strength, workability, bond strength, fracture pro

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Creep in Concrete, Factors affecting Creep & Effects of

Concrete creep is defined as: deformation of structure under sustained load. Basically, long term pressure or stress on concrete can make it change shape. This deformation usually occurs in the direction the force is being applied. Like a concrete column

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A COMPREHENSIVE STUDY ON THE EFFECT OF FIBERS

2016-10-6 · effect of the variation of the variables considered on these parameters has been evaluated by means of statistical inference based on multiple linear regression models. Results clearly show that varying fiber slenderness leads to important dif

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Flexural creep of steel fiber reinforced concrete in the

2018-3-21 · Flexural Creep of Steel Fiber Reinforced Concrete in the Cracked State ... This paper aims at assessing the effect of a number of variables on flexural creep of steel fiber reinforced concrete in its cracked state, namely: fiber geometry (slen

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Creep Behavior of Fiber-Reinforced Polymeric Composites: A

2018-2-23 · This report provides a review of the technical literature related to the creep behavior of fiber reinforced polymer (FRP) composites. The review presented here was directed toward those papers that define the direction and line of thinking in

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BEHAVIOR OF HIGH-PERFORMANCE CONCRETE BEAMS

2014-7-5 · high-performance fiber-reinforced concrete beams with different rib geometry under partial bond The main objective of this research is to study the effect of rib geometry for steel bars and fibers types on the flexure behavior of high-performan

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Creep Behaviour of Cracked High Performance Fibre

Abstract. The investigation on flexural creep of high performance fibre reinforced concrete (HPFRC) is still scarce. Even though the presence of fibres in concrete helps to control the deformations, these may increase under the effect of a sustained load.

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Effect of Reduced Graphene Oxide Reinforcement on

far, the effect of the added RGO on the creep behavior of the bonded joints have not been investigated yet. For ex-ample, Zehsaz et al [32] have investigated the creep behav-ior of adhesive bonded joints without adding any reinforc-ing elements. Hence, in

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Pullout Behavior of High-Strength Steel Fibers

2015-7-14 · no published study exists on INTRODUCTION One key parameter for the tensile behavior of fiber-reinforced concrete ... lateral pres482 Fig. 6—Effect of fiber geometry ...

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Tensile Creep Behavior of Concrete Subject to Constant

2014-1-22 · Tensile Creep Behavior of Concrete Subject to Constant Restraint at Very Early Ages Ya Wei1 and Will Hansen2 Abstract: Tensile stress develops in concrete when shrinkage deformations and restraints (internal or external) exist.

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Behavior of Different Self-Compacted Concrete Mixes on

2018-1-24 · of steel fiber in the concrete mixes, but steel fiber reduced the ... the influence of steel fiber with volume fraction (0, 1 and 2% by volume) on ultimate capacity and the deformation behavior of three types of (normal, high and ultra-high se

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The need to consider flexural post-cracking creep

THE NEED TO CONSIDER FLEXURAL POST-CRACKING CREEP BEHAVIOR OF MACRO-SYNTHETIC FIBER REINFORCED CONCRETE P. Pujadas a, A. Blanco , S. Cavalaroa, A. de la Fuente , A. Aguado a Department of Civil and Environmental Engineering, Division of …

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Creep (deformation)

2019-8-29 · Creep is a deformation mechanism that may or may not constitute a failure mode. For example, moderate creep in concrete is sometimes welcomed because it relieves tensile stresses that might otherwise lead to cracking. Unlike brittle fracture,

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Properties of Concrete at Elevated Temperatures - Hindawi

2013-9-18 · Fire response of concrete structural members is dependent on the thermal, mechanical, and deformation properties of concrete. These properties vary significantly with temperature and also depend on the composition and characteristics of concre

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MECHANICAL AND SHRINKAGE BEHAVIOR OF FIBER

2017-10-24 · 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.

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Shrinkage in Concrete, Definition, Types, and Factors

Types of Shrinkage in Concrete. ... The size and shape of coarse aggregate influence the loss of moisture and it has therefore an indirect effect on the shrinkage of concrete. In general, the smaller the aggregate size, the more surface area, more water i

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Relaxation, creep, and fatigue behavior of carbon fiber

1999-3-1 · T1 - Relaxation, creep, and fatigue behavior of carbon fiber reinforced plastic tendons. AU - Saadatmanesh, Hamid - AU - Tannous, Fares E. PY - 1999/3. Y1 - 1999/3. N2 - Corrosion of steel tendons is a major problem in prestressed and posttensi

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Creep Behaviour in Cracked Sections of Fibre Reinforced

2019-8-8 · The significance of the creep behaviour of fibre reinforced concrete (FRC) in the cracked state is a matter of debate. As FRC in service could be in the cracked state, the serviceability and failure will depend on the stability of the cracks, a

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Experimental Investigation on Creep Behavior of Fibre

2016-5-2 · Experimental Investigation on Creep Behavior of Fibre Reinforced High Strength Concrete L.K.Vinesh1 Dr.S.Ramakrishnan2 1,2Department of Civil Engineering 1,2Bannari Amman Institute of Technology, Sathyamangalam, India Abstract—The fibre reinfor

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Experimental, analytical and numerical analysis of the

H.R. Tavakoli, Pedram Jalali and Sina Mahmoudi, Experimental evaluation of the effects of adding steel fiber on the post-cyclic behavior of reinforced self-compacting concrete beams, Journal of Building Engineering, 10.1016/j.jobe.2019.100771, (100771), (

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Fibers | Free Full-Text | Behavior of Concrete under the

The cracking behavior of concrete is an important factor of concrete structures. Fibers generally have post cracking properties, which depend upon types of fiber and its classes. In this study, we used polyolefin fibers, which had good results in terms of

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Creep Behaviour and Residual Tensile Properties of GFRP

2014-2-6 · 33 pronounced effect on GFRP reinforced concrete. Gaona (2003) and Youssef et al. (2008) 34 have conducted creep behavior experiments on a variety of GFRP bars for lengthy 35 periods. The former study concluded that creep strain increase for th

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