Design of continuously reinforced concrete pavements using. Frc is defined as composite material consisting of concrete. This film is then slit into tapes and uniaxially stretched. Concrete, industrial wastes, hypo sludge, recron 3s fibers, secondary reinforcement, fiber reinforced concrete, conventional concrete cite this article. Gopalaratnam and shah 1986 discussed the effect of strain rate on the flexure behaviour of unreinforced matrix. Normal unreinforced concrete is brittle with a low to not exist.
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. Index design of continuously reinforced concrete pavements. Skazlic, hybrid high performance fibrereinforced concrete m. Shrinkage behaviour of fibre reinforced concrete with. Evaluating the use of fiberreinforced polymer bars in. Fiber reinforced asphalt concrete pavements city of tacoma. A summary continuously reinforced concrete pavement crcp is the major type of highway pavement used for the expressways in the urban parts of texas. Polymer fiber reinforced concrete pavements are more efficient than ordinary cement concrete pavements. Applications of fiber reinforced concrete in pavements. Explore polymer modified steel fibre reinforced concrete with free download of seminar report and ppt in pdf and doc format.
Fiber reinforced concrete pavements are more efficient than ordinary cement concrete pavement. Project report on polymer fibre reinforced concrete. Project report on polymer fibre reinforced concrete pavements free download as word doc. Providing and laying 40 mm steel fiber reinforced cement concrete in pavement in panels having area not more than 1.
Suitability of concrete reinforced with synthetic fiber. Glass fiber concretes are mainly used in exterior building faade panels and somewhat similar materials arefiber cement siding. However, because of the inherent material properties of fibre concrete, the presence of fibres in the body of the concrete or the provision of a tensile skin of fibre concrete can be expected to improve the resistance of conventionally reinforced structural members to cracking, deflection and other serviceability conditions. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fiberss. Steel fibre reinforced concrete using recycled fibres the steel cord used as tyre reinforcement is a very high strength cord of fine wires 0. Fibre reinforced plastic frp concrete provides an alternative to steel reinforced concrete. These materials, which consist of glass, carbon or aramid fibres set in a suitable resin to form a rod or grid, are well accepted in the aerospace and automotive industries and should provide highly durable concrete. Design of continuously reinforced concrete pavements using glass fiber reinforced polymer rebars na 7. Fibre reinforced concrete is a composite material consisting of mixtures of cement, mortar or concrete and discontinuous, discrete, uniformly dispersed suitable fibres.
Fiber reinforced concrete types, properties and advantages. Fibre reinforced pla stic reinforced concrete now, the latest idea is to replace the steel with fibre reinforced plastics frps. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. To understand the effect of incorporation of polypropylene and steel fibers together in the hardened state of concrete. Project report on polymer fibre reinforced concrete pavements. This masters thesis was carried out, between january 2011 and june 2011, at the. Oct 21, 2014 the fibre reinforced concrete has been provided in small panels considering the workability. Fiber in continuously reinforced concrete pavements 6. 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.
The fibers provide strength and stiffness to the composite and generally carry most of the applied loads. Asphalt concrete ac, a mixture of bitumen and aggregates, is a sensitive material compared to other configurations used in civil engineering. Asphalt concrete, asphalt pavements, asphalt tests, fiber reinforced concrete, mix design, polymer asphalt, polyester resins, wearing course \pavements\. Analysis and design methods for fibre reinforced concrete. There are several advantages of cement concrete pavements over bituminous pavements. Polymer and steel fiber reinforced concrete in pavements. Study on polymer modified steel fiber reinforced concrete.
Rilem tc162tdf 2003 and the spanish ehe08, regarding design of fibre reinforced concrete, aiming at detecting possible difficulties, limitations and. 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. Suitability of concrete reinforced with synthetic fiber for. Trais center for transportation research the university of texas at austin. 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.
Reinforcing concrete structures with fibre reinforced polymers. 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. Typical aspect ratio for fibers ranges from 30 to 150. A pavement is the layered structure on which vehicles travel. Fibsol fibre reinforcing solutions is a south african based company specialising in alternative concrete reinforcement designs utilizing the latest technology to design cost effective fibre reinforced concrete solutions for a large number of applications. The same cord is currently being used in limited volumes to reinforce concrete in high value security applications, such as vaults and safe rooms. Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. This paper presents an assessment of the performance of polymeric concrete with synthetic fibre reinforcement against reflective cracking in an.
There are various applications of fiber reinforced concrete and one of them is in the. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. Analysis of polymer fibre reinforced concrete pavements by. 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. The traditional bituminous pavements and their needs for continuous maintenance and rehabilitation operations points towards the scope for cement. Mathur, suitability of concrete reinforced with synthetic fiber for the construction of pavements, in proceedings of the 3rd international conference on. From their work they conclude that fiber reinforced concrete has advantage over normal concrete particularly in case of cement concrete pavements. Fiberreinforced concrete frc examination of fractured specimens of fiberreinforced concrete shows that failure takes place primarily due to fiber pullout or debonding. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. Glass fibres glass fiber reinforced concrete, also known asgfrcorgrc, is a type of fiber reinforced concrete. Keywords concrete, fiber reinforced concrete, styrene butadiene rubber. Mechanical performance of steel fibre reinforced rubberised. He is a member of aci committees 363, highstrength concrete. It contains short discrete fibers that are uniformly distributed and randomly oriented.
Performance of polypropylene fibre reinforced concrete. It overcomes corrosion problems, possesses high strength and low stiffness and cracks in the matrix are not detrimental. 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. Fiber reinforced asphalt concrete pavements city of tacoma author.
In a developing country such as india, road networks form the arteries of the nation. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. While more expensive in most cases, it can be justified under special circumstances. Glass fiber reinforced concrete consists of high strengthglass fiber embedded in a cementiousmatrix. Design of fibre reinforced concrete beams and slabs master of science thesis in the masters programme structural engineering and building performance design. The swedish concrete association published a report on steel fibre reinforced concrete in 1995. It was also found that the modulus of rupture decreases with freeze thaw cycling. Can fibre reinforced concrete be placed by conventional methods. Very limited works on concrete reinforced with fibrillated fibre are reported in literature. Use of polypropylene f ibre reinforced concrete as a. Steel fibre reinforced concrete seminar ppt with pdf report. T1 fiberreinforced concrete pavement design and material requirements. Performance of polypropylene fibre reinforced concrete doi.
The fibre reinforced concrete has been provided in small panels considering the workability. Continuous meshes, woven fabrics and long wires or rods are not considered. Polymer fiber reinforced concrete pavements are more efficient than ordinary. Archanaa dongre 3 1 assistant pr ofessor, vid ya jyothi in stitute of technology, hyderabad, 500081. Baumex polymer fiber patented, innovative synthetic fibre making use of modern polymers characteristics. Small piece of reinforcing material possessing certain characteristic properties. 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 civil construction btech. Concrete pavement design focuses on limiting tensile stresses by properly selecting the characteristics of the concrete slab. Road transportation is undoubtedly the lifeline of the nation and its development is a crucial concern. Walker, jason matthew, evaluation of elliptical, glass fiber reinforced polymer, and stainless steel dowel bars in concrete pavements with consideration to subgrade resilient modulus 2008. It was observe in previous researches, in addition of sfrc. Fiber reinforced concrete frc examination of fractured specimens of fiber reinforced concrete shows that failure takes place primarily due to fiber pullout or debonding. The fresh and hardened properties such as workability, density, compressive strength.
Aspect ratio is ratio of its length to its diameter. In addition, the character of fiberreinforced concrete. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. Fibers in continuously reinforced concrete pavements. This project report on polymer fibre reinforced concrete pavements is about the polymer fibre reinforced concrete pavements. Therefore scientists and engineers are constantly trying to improve the performance of asphalt pavements. Bonifibers, fiber reinforced pavement, fiber reinforced acp, fiber reinforced asphalt concrete pavement, polyester fibers, polymar fibers, reinforced pavement, reinforced asphalt, tacoma wash.
Properties and applications offiber reinforced concrete. An experimental investigation on the behaviour of steel fibre reinforced ternary blended concrete subjected to sustained elevated temperature. The most significant influence of the incorporation of steel fibres in concrete is to delay and control the tensile cracking of the composite material. The rigidity of concrete enables it to distribute loads over relatively large areas of support. 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 matrix acts to bond and protect the fibers and to provide for transfer of stress from fiber to fiber through shear stresses. Design of fibre reinforced concrete beams and slabs. Steel fibre reinforced concrete for road pavement applications. Experimental program materials the cementitious material used in the test was ordinary portland cement. Fibre reinforced concrete is a mix that incorporates a specified type and amount of fibrous material. These tapes are then stretched over carefully designed roller pin systems which generate longitudinal splits and these can be cut or twisted to form various.
This work aims to develop materials for flexible concrete pavements as an alternative to asphalt concrete or polymer bound rubber surfaces and presents a study on steel fibre reinforced rubberised. Polymer modified steel fiber reinforced concrete is highly resistant to weathering action, so it is extensively used in lying of pavements. Performance of continuously reinforced concrete pavements. Polymer fiber reinforced concrete pavement is a recent advancement in the field of reinforced concrete pavement design. Fiber reinforced concrete frc is a new structural material which is gaining increasing importance. Fiber reinforced concrete frc is a composite material consisting of cement based matrix with an ordered or random distribution of fiber which can be steel, nylon, polythene etc. The moisture absorption is found to be less in fibre concrete than in plain concrete. Introduction with the advent of technology, new construction materials. 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. The addition of steel fibre increases the properties of.
Reinforced polymer rebars, investigates the effects on stress. Ramakrishnan et al 1999, observed a slight increase 0. Kevin folliard, david sutfin, ryan turner, and david p. Fiberreinforced concrete pavement design and material. Whitney, david sutfin, and ryan turner march 2006 fibers in continuously reinforced concrete pavements. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. Introduction steel fibre reinforced concrete sfrc is concrete containing dispersed steel fibres.
For adequately designed pavements, the deflections under load are small and the. Fiberreinforced polymer frp materials are composite materials that typically consist of strong fibers embedded in a resin matrix. Polymeric fibers such as polyester or polypropylene are being used due to their cost effective as well as corrosion resistance though steel fibers also work quite satisfactorily for a long time. The tensile strength of concrete is very low because plain concrete normally.
However, typically concretes tensile strength is very low and is. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Fibre reinforced concrete free download as powerpoint presentation.
Fiber reinforced concrete are of different types and properties with many advantages. Fiber reinforced concrete is a composite material consisting of cement paste, mortar or concrete with closely spaced and uniformly dispersed fibers of polypropylene, nylon, asbestos, coir, glass and carbon circular or flat. The most important parameters used for designing of reinforced structure concrete with steel fibres are. N2 fiberreinforced concrete frc has been applied to concrete pavements for years, but there has been slow acceptance of a standard design process and appropriate material specifications for frc. Properties and applications offiber reinforced concrete faisal fouad wafa associate professor, civil engineering department, faculty ofengineering, king abdulaziz university, jeddah, saudi arabia. Thus unlike plain concrete, a fiber reinforced concrete specimen does not break immediately after initiation of the first crack. Fiberreinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Fibre reinforced concrete using domestic waste plastics as fibres. Thus unlike plain concrete, a fiberreinforced concrete specimen does not break immediately after initiation of the first crack. Polymer modified steel fibre reinforced concrete seminar. Yes, fibre reinforced concrete can be placed by conventional methods using concrete skip or pump depending on the project requirements. Modification of the asphalt binder is one approach taken to improve pavement performance. 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. This report, design of continuously reinforced concrete pavements using glass fiber.1322 264 1259 419 99 488 89 1229 1283 1296 1286 879 772 481 664 835 686 506 599 464 830 12 359 77 1379 473 1126 149 127 339 1504 945 996 1377 1311 1019 415 1116 1439 714