Steel fiber reinforced concrete nguyen van chanh 1 summary it is now well established that one of the important properties of steel fibre reinforced concrete sfrc is its superior resistance to cracking and crack propagation. Fiberreinforced concrete frc seminar and ppt with pdf report. Corrosion of steel reinforced concrete results in unsafe structures and significant. Steel fibre composite floor another example of steel fibres application in the structural elements is a thin shell structure covered buildings located in the european oceanographic park in valencia. In fiber reinforced concrete, fibers mixing amount, aspect ratio, distribution and alkali resistance greatly influence its properties. Pdf utilization of waste plastics as a fiber in concrete. Glass fiber reinforced concrete consists of high strengthglass fiber embedded in a cementiousmatrix.
Fibre reinforced concrete possesses high flexural and tensile. Totally five rectangular beams of 3 m length were cast. Relating to this a study has been carried out on the impact of concrete strength by using acrylic latex polymer modified concrete and steel fibre reinforced concrete sfrc. Take steel fiber for example, theoretically, both the bending strength and the tensile strength will rise with the increase of fiber content ratio. Steel fibre reinforced concrete seminar ppt with pdf report.
Introduction glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Steel fibre reinforced concrete sfrc is a construction material investigated for more than. Properties and applications offiber reinforced concrete. It represents a class of materials that fall into a category referred to as composite materials.
Fibre reinforced concrete using domestic waste plastics as fibres. Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. Structures are a combination of traditionally reinforced concrete and fibre reinforced concrete fig. Several useful documents on fiber reinforced concrete frc have been developed by aci committee 544, fiber reinforced concrete, including a design guide, aci 544. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. Fiber reinforced concrete is a composite material of mixtures of cement mortar or concrete and fibers and has. Confirming to is 5161959 15 in present work weigh batching hand mixing is used to study cube compression test, flexural test on beams, on plain and steel fibre reinforced concrete sfrc were carried on number of samples. Sep 10, 2009 although the use of fibre reinforced concrete frc for structural applications is continuously increasing, it is still limited with respect to its potentials, mainly due to the lack of international building codes for frc structural elements. Fiber reinforced concrete is a composite material comprised of portland cement, aggregate and fibres. Within fib federation internationale du beton, the special activity group 5 is preparing a new fib model code that aims to update the previous ceb. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Besides its ability to sustain loads, natural fibre reinforced concrete. Fibre reinforced concrete frc frc is a structural material having nearly the same cementitious matrix composites as a plain concrete pc except fibres of different types and forms. One beam was used as reference beam and the remaining beams were provided with gfrp laminates on their soffit.
Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. Fiber reinforced concrete an overview sciencedirect topics. The fiber has subsequently been improved further and at present it is used either as short discontinuous fibrillated material for production of fiber reinforced concrete or a continuous. Fiber reinforced concrete can be defined as a composite material consisting of mixtures of cement, mortar or concrete and discontinuous, discrete, uniformly dispersed suitable fibers. Few applications of sfrc are in the field of irrigation structures. Fiberreinforced concrete seminar ppt with pdf report. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. Increasingly, fibers are being used to replace temperature and shrinkage reinforcement in concrete and, in some applications, prim ary reinforcement. Macro synthetic fibres are typically used in structural concrete as replacement for nominal bar or fabric reinforcement. Glass fiber concretes are mainly used in exterior building faade panels and somewhat similar materials arefiber cement siding. However, in recent times especially in the past decade as described by 29, there has been an increased interest towards two alternative types of composite concrete construction. Crimped and hooked end steel fibre of length 50 mm and an aspect ratio equal to 50 was added to concrete in different proportions i.
Fibre reinforced polymer frp composite is defined as a polymer that is reinforced with fibre. Concrete reinforced with fibres which are usually steel, glass or plastic fibres is less expensive than. Study on polymer modified steel fiber reinforced concrete. Many theoretical and experimental studies have been carried out on fiber reinforced plastic frpconfined circular concrete specimens, leading to a variety of models for predicting their axial com.
He is a member of aci committees 363, highstrength concrete. Concrete, waste plastic bottles, fibers, cube and cylinder. As a result of this ability to arrest cracks, fibre composites possess. Reinforcing concrete structures with fibre reinforced polymers isis canada research network the canadian network of centres of excellence on intelligent sensing for. Fiber reinforced concrete is a type of concrete that includes fibrous substances that increase its structural strength and cohesion. Hence plastics can be added as fiber to enhance the properties of concrete. Experimental study on concrete with plastic plate fibre. The experimental set up for various tests were described below. Fibre is a small piece of reinforcing material which increases structural integrity. Among them waste plastic fibers can be used as fibers for productions of fiber reinforced concrete. Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity.
Test results for concretes obtained by using water blended with yeast granules are also reported in this paper. A series of uniaxial compression tests were conducted on 15. Concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, and discontinuous discrete fibers is called fiberreinforced. Download the seminar report for fibre reinforced concrete. Results of an investigation conducted to study the effect of fibre hybridization on the strength characteristics such as compressive strength, split tensile strength, and water permeability of steel fibre reinforced concrete sfrc are presented.
At that time, it was considered to be one of the worlds most modern and straightforward handbooks on the design of steel fibre reinforced concrete structures. Design of fibre reinforced concrete beams and slabs master of science thesis in the masters programme structural engineering and building performance design ammar abid, kenneth b. Types of fiber reinforced concrete steel fiber reinforced concrete steel fiber reinforced concrete is basically a cheaper and easier to use form of rebar reinforced concrete. Steel fibre reinforced concrete as a structural material. Composite materials are made by dispersing particles of one or more materials in another material, which forms a continuous network around them. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. During the past two decades, there has been considerable interest in the study of fiber reinforced concrete and its appli cations to several types of structures. The steel fiber reinforced concretes are the building materials which are more significance very fast because of the enhancing demand for high building properties in the building materials. Fiber reinforced concrete is used when there is requirement for elimination small cracks.
The major advantage of fiber reinforcement concrete is to transform a brittle concrete into a pseudo ductile material. Cracks in reinforced concrete members extended freely until encountering a rebar. Fibre reinforced polymer frp in construction, types and uses. Different percentages of fibers in concrete affect various strength. Beams bonded with four different types of glass fibre reinforced polymer gfrp having 3. Rebar reinforced concrete uses steel bars that are laid within the liquid cement, which requires a great deal of prep work but make for a much stronger concrete. What is fibre reinforced concrete frc is a portland cement reinforced with more or less randomly distributed fibres. Since the addition of steel fibers to concrete has been shown to increase both the ductility and the fatigue strength of reinforced concrete.
This paper emphasizes on polymer modified steel fiber reinforced concrete, a recent advancement in the field of reinforced concrete. Polypropylene fibers were first suggested as an admixture to concrete in 1965 for the construction of blast resistant buildings for the us corps of engineers. This page contains fiberreinforced concrete frc seminar and ppt with pdf report. While more expensive in most cases, it can be justified under special circumstances. Steel fibre reinforced concrete sfrc quality, performance. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fiberss. Glass fibre reinforced concrete use in construction. The evalution of elastic modulus for steel fiber reinforced.
Fiberreinforcedplastic frp reinforcement for concrete. Strengths prediction of plastic fiber reinforced concrete citeseerx. Fip 8 design and specification of fiberreinforced concrete. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fibers s. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. The use of fiber reinforced plastic frp composites for prestressed and nonprestressed concrete reinforcement has developed into a technology with serious and substantial claims for the advancement of construction materials and methods. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Pdf strengths prediction of plastic fiber reinforced concrete m30. Pdf concrete plays a vital role as a construction material in the world. Jan 29, 2014 they also reduce the permeability of concrete and thus reduce bleeding of water.
Normal unreinforced concrete is brittle with a low tensile. Steel fibre reinforced concrete sfrc quality, performance and specification alan ross mipenz cpeng aust business development manager bosfa bekaert onesteel fibres australasia synopsis steel fibre reinforcement is widely used as the main and unique reinforcing for industrial concrete floor slabs. Exploring the properties of fiber reinforced concrete worcester. Fibers used are steel fibers, synthetic fibers, glass fibers, natural fibers, asbestos fibers and carbon fibers. Both concrete crushing and coirgfrp rupture are acceptable failure modes in governing the design of coirgfrp reinforced concrete members provided that strength and serviceability criteria are satisfied. The swedish concrete association published a report on steel fibre reinforced concrete in 1995. The concrete typically should have a slump of 5075 mm greater than the desired slump of the fibre reinforced concrete the use of collated fibres held together by a watersoluble sizing which dissolves during mixing largely eliminates the problem of clumping. Study of strength properties of waste plastic fiber reinforced.
Glass fibres glass fiber reinforced concrete, also known asgfrcorgrc, is a type of fiber reinforced concrete. Fiber reinforced concrete types, properties and advantages. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology abstract. Fiber reinforced concrete aka fibre reinforced concrete is an essential method of reinforcing for complicated and thin members. This material is very good in making shapes on the front of. Fiber reinforced concrete has small distinct fibers that are homogeneously dispersed and oriented haphazardly. Design of fibre reinforced concrete beams and slabs. It overcomes corrosion problems, possesses high strength and low stiffness and cracks in the matrix are not detrimental. Strength models for fiberreinforced plasticconfined concrete. Experimental study on the strength characteristics and water.
Selfcompacting fiber reinforced concrete request pdf. In addition, the synthetic fibers have a number of benefits over the other fibers. Murugesan2 1department of civil engineering, bhaktavatsalam polytechnic college, kanchipuram, tamilnadu, india 2anna university of technology madurai, madurai, tamilnadu. It holds short discrete fibers that are uniformly distributed and circumstances oriented. Fiberreinforced concrete smart materials and smart sensors aci fall 2011 convention october 16 20, cincinnati, oh aci web sessions antoine naaman, faci, is a professor in the department of civil and environmental engineering at the university of michigan. Fiber reinforced concrete are of different types and properties with many advantages. Fibre reinforced plastic frp concrete provides an alternative to steel reinforced concrete. Synthetic fiber reinforced concrete uses plastic and nylon fibers to improve the concrete s strength. Reinforcing concrete structures with fibre reinforced polymers.
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