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Saturday, July 25, 2020 | History

2 edition of Flexural modelling of steel fibre reinforced sprayed concrete found in the catalog.

Flexural modelling of steel fibre reinforced sprayed concrete

Peter Alwyn Jones

Flexural modelling of steel fibre reinforced sprayed concrete

by Peter Alwyn Jones

  • 306 Want to read
  • 16 Currently reading

Published .
Written in English


Edition Notes

Thesis (Ph.D.) - Loughborough University, 1998.

Statementby Peter Alwyn Jones.
ID Numbers
Open LibraryOL17521252M

  Unlike other flexural models available in the literature, the proposed model considers in the analysis the random distribution and orientation of steel fibers at a cracked section. The model was verified using existing experimental results, and it fairly predicted the flexural capacity of the SFR concrete beams. This paper presents an analytical model for the determination of the ultimate flexural capacity of steel-fibre-reinforced concrete (SFRC) rectangular sections using the principles of strain compatibility and the force equilibrium.

This book discusses design aspects of steel fiber-reinforced concrete (SFRC) members, including the behavior of the SFRC and its modeling. It also examines the effect of various parameters governing the response of SFRC members in : Harvinder Singh. Experimental study on the flexural behaviour of fibre reinforced concretes strengthened with steel and macro-synthetic fibres N. Buratti, C. Mazzotti & M. Savoia DISTART Structural engineering, University of Bologna, Bologna, Italy ABSTRACT: Fibres are widely used to improve the flexural toughness and ductility of concrete, and they may.

  A constitutive law for fiber-reinforced concrete materials consisting of an elastic perfectly plastic model for compression and an elastic-constant postpeak response for tension is presented. Closed-Form Solutions for Flexural Response of Fiber-Reinforced Concrete Beams Flexural Analysis of Reinforced Concrete Beams Containing Steel Fibers. Using the details of a previous study in which the flexural response of steel fiber reinforced concrete (SFRC) was accurately predicted from a constitutive model, explicit expressions for the first crack and the ultimate flexural strength are derived in this paper.


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Flexural modelling of steel fibre reinforced sprayed concrete by Peter Alwyn Jones Download PDF EPUB FB2

The aim of this paper is designed to cover a comprehensive plan for examining the behavior of basalt fiber reinforced concrete (BFRC) beams under bending effect using finite element analysis, and introducing new BFRC constitutive relationships or models.

Concrete was modelled by plane stress elements reinforced with embedded steel bars. New. This book discusses design aspects of steel fiber-reinforced concrete (SFRC) members, including the behavior of the SFRC and its modeling.

It also examines the effect of various parameters governing the response of SFRC members in detail. Unlike other publications available in the form ofBrand: Springer Singapore.

This book discusses design aspects of steel fiber-reinforced concrete (SFRC) members, including the behavior of the SFRC and its modeling.

These are then gradually extended to develop an analytical flexural model for the analysis and design of SFRC members. The lack of such a discussion is a major hindrance to the adoption of SFRC as a. Flexural behavior of Reinforced Concrete beams are effected by shear span-to-depth ratio (a/d), but a/d was not mentioned in design guidelines for the steel fiber-reinforced.

The flexural behavior of reinforced concrete beams containing steel fibers is investigated in the present study. An experimental program was set up and nine reinforced concrete beams have been tested, including two series of singly reinforced concrete beams and one series of doubly reinforced concrete by:   Specifically, this study used an experimental method to examine simultaneous flexural load-deflection response measurements on normal portland cement concrete (PCC), rubberized concrete (RC), steel fiber reinforced concrete (SFRC), SFRRC, and others.

Other basic tests were utilized to characterize fresh mix and constituent material properties. Research has investigated the fracture of steel fibre reinforced sprayed concrete under flexural load with the aim of developing a stress-profile model to predict flexural behaviour in the form of a load–deflection response.

The structural deficiency of RC beams, in terms of flexural capacity, may occur due to structural degradation (corrosion of the internal reinforcing steel, carbonation of the concrete, design, or construction errors, inappropriate alterations during maintenance) or changes in the use (increased dead and live load, change in load path, new.

1 day ago  This paper deals with the blast-resistant performance of steel fiber-reinforced concrete (SFRC) and polyvinyl alcohol (PVA) fiber-reinforced concrete (PVA-FRC) panels with a contact detonation test both experimentally and numerically. With 2% fiber volumetric content, SFRC and PVA-FRC specimens were prepared and comparatively tested in comparison with plain concrete (PC).

2 days ago  The paper presented aimed at examining the effect of a fiber-reinforced concrete layer in the compressed zone on the mechanical properties of composite fiber-reinforced concrete slabs. Steel fibers (SF) and polypropylene fibers (PP) in the amount of 1% in relation to the weight of the concrete mix were used as reinforcement fibers.

The mixture compositions were developed for the reference. Flexural modelling of steel fibre reinforced sprayed concrete. By Peter A.

Jones. Get PDF (26 MB) Abstract. A Doctoral Thesis. Submitted in partial fulfillment of the requirements for the award of Doctor of Philosophy of Loughborough University.A current limitation on the structural use of steel fibre reinforced sprayed concrete (that\ud.

a repair application of polypropylene fibre reinforced sprayed concrete. constitutive modeling of steel fiber reinforced concrete under direct tension and compression.

flexural fatigue strength endurance limit and impact strength of fiber reinforced refactory concretes. These are SFRC for steel fiber reinforced concrete, GFRC for glass fiber reinforced concrete, SNFRC for synthetic fiber reinforced concrete including carbon fibers, and NFRC for natural fiber reinforced concrete [6].

FIBERS AS REINFORCED COMPONENT IN CONCRETE. Though concrete lends itself to a variety of innovative design, it can be enhanced. This paper presents results of experimental investigation to evaluation the effects of compressive strength on flexural behavior of steel fiber-reinforced concrete (SFRC).

For this purpose, normal and high strength SFRCs with two different fiber volume fractions of and % were prepared. Compressive strength, modulus of elasticity, flexural strength and toughness were measured with tests.

Also, the flexural samples reinforced with a fiber length of 38–55 mm experienced fiber breakage and fiber pullout, while the beams reinforced with a fiber length of 19 mm experienced fiber pullout, as illustrated in Fig.

9(b) and (c), respectively. Therefore, a high crack resistance of the 55 mm fiber-reinforced concrete was accomplished.

In consideration of the differences of opinion on the corrosion resistance of sprayed fiber-reinforced concrete, it has become necessary to analyze this issue.

The article presents comparative studies of corrosion assessments of the main reinforcement in specimens made of ordinary concrete and concrete with steel fibers. Robins PJ, Austin SA, Jones PA () Flexural strength modelling of steel fibre reinforced sprayed concrete in: Sprayed Concrete Technology (E&FN Spon, London, ) pp.

– Google Scholar   Yang et al. investigated the accuracy of ultimate capacity models based on test results of carbon fiber-reinforced polymer (CFRP)-reinforced beams with steel fibers and confirmed that the ultimate moment could be correctly estimated by ACI R and Campione when the ultimate concrete compressive strain was assumed as   Fibre distribution characteristics were evaluated to investigate their effect on the flexural strength of steel fibre-reinforced ultra high strength concrete in conjunction with the direction of.

Note: When published in the publication covered the design aspects of steel fibre reinforced concrete (SFRC) as understood at the time. The method of assessing SFRC flexural tensile strength BS EN Test method for metallic fibre concrete, based on the RILEM method rather than Japanese JCI-SF4 method, has now been adopted.

In the four-point flexural tests, the basalt fibre rebar reinforced specimen ( mm × mm × mm) performed more ductile structural behaviour with higher flexural strength.Fibre Reinforced Concrete Enhances durability and toughness of concrete.

Sika has also introduced a new steel fibre system for topping block and beam decks. Visit the dedicated product page from the link below. Shotcrete – Sprayed Concrete Method Statement – Finishing Guide to Sika Fibres in concrete Case Studies.The first-peak strength characterizes the flexural behavior of the fiber-reinforced concrete up to the onset of cracking, while residual strengths at specified deflections characterize the residual capacity after cracking.

Specimen toughness is a measure of the energy absorption capacity of the test specimen. The appropriateness of each parameter depends on the nature of the proposed.