Our synthetic fiber products are manufactured in the usa in accordance with astm d7508 and their performance in concrete has been evaluated using over 25 standard consensus tests. Pdf polymer modified steel fiber reinforced concrete. In the present study the epoxy resin was used for binding. Take steel fiber for example, theoretically, both the bending strength and the tensile strength will rise with the increase of fiber content ratio. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. The proposed equations are based on a comprehensive statistical analysis and existing experimental results in the literature.
The subject of the present document is the use of frp bars as internal reinforcement in concrete structures. It contains short discrete fibers that are uniformly distributed and randomly oriented. Applications of fiber reinforced concrete in pavements. One important application of fiber reinforced polymer frp composites is as a confining material for concrete in the retrofit of existing concrete columns by the provision of frp jackets. Abc polymer industries has also been supplying flexible intermediate bulk containers bulk bags to customers across north america for more than 20 years. The virginia department of transportation vdot placed beams with carbon fiber reinforced polymer reinforcement. In fiber reinforced concrete, fibers mixing amount, aspect ratio, distribution and alkali resistance greatly influence its properties. Cfrp is a corrosionfree material, whereas the conventional steel reinforcement used in a traditional pile is prone to corrosion when exposed to chlorides. The most important reason for integrating the sisal fibers into the cement matrix is to increase the toughness. Various other parameters like micro fillers, aggregate type, resin type, fibre reinforcement and curing regime affects. Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report.
Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. Fiber reinforced concrete has so far been successfully used in slabs on grade. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. Properties and applications offiber reinforced concrete.
International online conference on advanced research in biology, ecology, science and technolog technology icarbest15 organized by international. Fibre reinforced polymer concrete structures um research. Polymer concrete is a composite material realized with resin and aggregates. For preparation of steel fiber reinforced concrete sfrc and polymer modified steel fiber reinforced concrete pmsfrc, materials used were cement, fine aggregate, coarse aggregate 20 mm, coarse aggregate 10 mm, hooked end steel fibers, polymer latex, super plasticizer and water. Improved bond equations for fiberreinforced polymer bars.
In the present study the epoxy resin was used for binding the aggregates. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. Explore polymer modified steel fibre reinforced concrete with free download of seminar report and ppt in pdf and doc format. The researchers further revealed that oil palm fiber reinforced polymer composites increased the stiffness and ultimate load of ordinary rc beam.
Applications of fiber reinforced concrete in pavements there are various applications of fiber reinforced concrete and one of them is in the construction of concrete pavements. This section includes glass fiber reinforced concrete gfrc panels, consisting of gfrc, panel frames, anchors, and connection hardware. Design of fibre reinforced concrete beams and slabs. Concrete beams prestressed using carbon fiber reinforced.
Kreger research report 17761 research project 01776 development of methods to strengthen existing structures with. The use of fiber reinforced polymer composites, in substitution for steel, for concrete structural. These compounds have a more tensile strength to compress, more toughness and. Fiber reinforced geopolymer concrete is relatively a new composite material in which fibers are introduced in the matrix as micro reinforcement to improve the strength properties. Download the seminar report on fiber reinforced concrete for civil and construction project. Developments in fiberreinforced polymer frp composites for civil engineering outlines the latest developments in fiberreinforced polymer frp composites and their applications in civil engineering. Fiberreinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Study on polymer modified steel fiber reinforced concrete.
The composites do not contain a hydrated cement phase, although portland cement can be used as an aggregate or filler. Steel fibre reinforced concrete sfc is superior than ordinary concrete in strength, durability and many other aspects. Glass fibre reinforced concrete use in construction. Synthetic macrofibers, are manufactured from a proprietary blend of polypropylene resins, in compliance with astm c 1116c 1116m. Since 1993, our concrete fibers have had proven performance in over 125 million cubic yards of concrete. Our synthetic fiber products are manufactured in the usa in accordance with astm d7508 and their performance in concrete has been evaluated using over 25. Polymer concrete is a composite material in which the aggregate is bound together in a matrix with a polymer binder. Use of carbon fiber reinforced polymer composites to increase the flexural capacity of reinforced concrete beams by sergio f. Pdf experimental studies on polymer modified steel fiber. Fiber reinforced concrete are of different types and properties with many advantages. Fiber reinforced concrete an overview sciencedirect topics. Foreword this report, design of continuously reinforced concrete pavements using glass fiber reinforced polymer rebars, investigates the effects on stress development in pavement and on critical design factors from substituting glass fiber reinforced polymer gfrp reinforcement for conventional steel reinforcement in continuously reinforced concrete. Shear strength of polymer modified steel fiber reinforced concrete article pdf available in indian concrete journal 902. This paper emphasizes on polymer modified steel fiber reinforced concrete, a recent advancement in the field of reinforced concrete.
Pdf study on polymer modified steel fiber reinforced concrete. Pdf polymer concrete is a composite material realized with resin and aggregates. Current researches on natural short fiber are not exhaustive, and researches on continuous fibers are considerably lesser. There are several advantages of cement concrete pavements over bituminous pavements. Developments in fiberreinforced polymer frp composites. Balasubramanian cement and concrete matrices reinforced with randomly oriented short fibers are finding increasing applications in both precast and in situ concrete construction. 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.
The mechanical characteristics such as compressive strength, flexural strength and split tensile strength of polymer concrete with fibers were investigated. Included within this report is a summary of the laboratory and field performance of various frc bridge decks along with key test methods and specification language developed by state departments of transportation. Few applications of sfrc are in the field of irrigation structures. Sisal fiber cement is comprehensively deployed in the construction works owing to their flexibility as cladding panels and ridged equipment, and water containers that are accessible in a massive number of cultivation and construction applications. The result is crack control and an extended service life of the concrete. Fiberreinforced polymer frp composites are formed by embedding continuous fibers in a polymeric resin matrix which binds the fibers together. 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. Artificial neural networks anns technique is employed for the prediction of frp concrete bond strength based on more than 440 data points collected from literature work for training and testing of the proposed anns model. Polymer concrete topic american concrete institute.
Current research and applications of fiber reinforced. This guide specification is intended to be used as a basis for the development of an office master. Fiber reinforced concrete frc is defined as a composite material consisting of concrete reinforced with discrete randomly but uniformly dispersed short length fibers. Experimental studies on polymer modified steel fiber reinforced concrete. This material is very good in making shapes on the front of any building and it is less dense than steel. Overview of fiberreinforced concrete bridge decks final. Innovative reinforcement as fiber reinforced polymer frp bars has been proposed as alternative for the substitution of the traditional steel bars in reinforced concrete rc structures. The strengthening of concrete structures with externally bonded reinforcement is generally done using either steel plates or fibre reinforced polymer frp.
Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fibers s. Fiber reinforced concrete frc university of washington. Exploring the properties of fiber reinforced concrete worcester. Common fibers used in frp composites include carbon, glass, aramid and basalt fibers while common resins are epoxy, polyester, and vinyl ester resins. Toughness of polymer modified steel fiber reinforced concrete. Pdf shear strength of polymer modified steel fiber. Current research and applications of fiber reinforced concrete composites in india v. Evaluation of electrochemical chloride extraction, fiber. Corrosionfree carbon fiber reinforced polymer reinforcement may be used instead of prestressing steel and reinforcing bars to mitigate the corrosion problem in prestressed concrete elements such as beams. To the steel fibre reinforced concrete a styrene butadiene rubber emulsion was added and the properties of such polymer modified steel fibre reinforced concrete psfc are studied. Polymer modified steel fibre reinforced concrete seminar.
Gfrc is a form of concrete that uses fine sand, cement, polymer usually an. Experimental program materials the cementitious material used in the test was ordinary portland cement. Steel fibre reinforced concrete seminar ppt with pdf report. Reinforcing polymer fibers used in this study were of a macro type fiber with nominal length of 40 mm, going by the commercial name of baumex. We also offer field support from our global technical sales team with the sole focus on supporting our customers fiber reinforced concrete projects from design concept through construction. Design of continuously reinforced concrete pavements. Use of carbon fiber reinforced polymer composites to. Nemati winter quarter 2015 3 concrete technology 5 fiberreinforced concrete frc concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, and discontinuous discrete fibers is called fiberreinforced concrete frc. In addition, the character of fiberreinforced concrete. The usefulness of fiber reinforced concrete frc in various civil engineering applications is indisputable. Pdf properties of fiber reinforced polymer concrete. Almost all the previous work on carbon fiber reinforced concrete was conducted in japan and it showed that the use of carbon fibers in the amount of 2 vol. Polymer concrete composites possess a unique combination of properties dependent on the formulation.
Fibers free fulltext reinforced concrete beams with. Also explore the seminar topics paper on polymer modified steel fibre reinforced concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee. Get the latest journals, research papers, doc and pdf documents discussing the need of using various types of fibers like synthetic, steel, glass etc. Frps are an ideal material for structural applications where high strengthtoweight and stiffnesstoweight ratios are required. Fiber reinforced concrete types, properties and advantages. Customdesigned shape together with advanced materials result in unique fiber capable of replacing traditional steel mesh or steel fibre reinforcement, as well as offering impressive concrete tensile strength. Chauvin, principal investigator wiss, janney, elstner associates, inc. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. The properties of sfc can be further improved by the addition of a polymer styrene butadiene rubber emulsion sbr to produce. Chloride extraction, fiber reinforced polymer wraps, and concrete sealers for corrosion mitigation in reinforced concrete bridge structures mark r. Although the advantages of this polymer reinforcement have long been recognised, the predominantly elastic response, the reduced bond capacity under repeated load and the low. Strengthening of steel structures with fiberreinforced. This paper explores a set of new equations to predict the bond strength between fiber reinforced polymer frp rebar and concrete. This project investigated using polymer, steel, and glass fibers in concrete to.
1302 1162 336 1206 1081 568 692 647 475 218 805 98 1190 701 1029 1038 416 594 1296 113 595 395 1436 255 1471 725 1071 1567 1199 631 668 781 271 173 198 995 1403 323 309 182 62 1398 1022