Selfcompacting fiber reinforced concrete request pdf. The present study focus on the systematic design methodology for producing a. Then, the knowledge gained from this investigation was applied in developing a model for the rotation capacity of scsfrc members. Experimental investigation on selfcompacting fiber reinforced. Performance of steel fiber reinforced self compacting concrete. 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. Fibre reinforced concrete frc is a composite material consisting of cement based matrix with an ordered distribution of fibre which can be steel, nylon, polyethylene etc. Ozbay et al 11 proposed the design procedure is based on l18 orthogonal array with six factors namely wc. Also self compacting concrete has a brittle characteristic even with other kinds of cementitious materials. Pullout behavior of steel fibers in selfcompacting concrete vtor m. This paper investigated the effects of combining fibers with self consolidating concrete scc. The self compacting property of the concrete helps in fresh state of concrete and properties in hardened state is enhanced by fibre. 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.
He is a member of aci committees 363, highstrength concrete. Self compacting concrete seminar report, ppt, pdf for civil. Fiberreinforced selfcompacting concrete frscc is a new type of concrete mix that can mitigate two opposing weaknesses. Properties and applications offiber reinforced concrete. Aci manual of concrete pratice part 5 american concrete institute, 1993. Pdf study of a selfcompacting fiberreinforced concrete. The experimental set up for various tests were described below. Pdf mechanical properties of selfcompacted fiber concrete mixes.
This work is aimed to study the performance of steel fiber reinforced self compacting concrete as plain self compacting concrete is studied in depth but the fiber reinforced self compacting concrete is not studied to that extent. In concrete industry, it is widely accepted that the conventional concrete mixes are face down to plastic shrinkage during the phase of setting and this can often lead to cracking. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology. Cracking of fiberreinforced selfcompacting concrete due. Delft university of technology flowable fibrereinforced. Selfcompacting concrete, fiber reinforcement, fly ash, workability, strength 1. This investigation is done for a m60 grade concrete with steel fiber dosage of. Self compacting concrete gets dense and compacted due to its own selfweight. Simplified mix design procedures for steel fibre reinforced. Compared to fiber reinforced concrete frc, self compacting concrete scc is a relatively new type of concrete with high flowability and good cohesiveness. In the experiments, normal and high strength selfcompacting concretes with up. The use of fibers extends its possibilities since fibers arrest cracks and retard their propagation.
Design of fibre reinforced concrete beams and slabs. This work is aimed to study the performance of steel fiber reinforced self compacting concrete as plain self compacting concrete is studied in depth but the fiber reinforced self compacting concrete is. Also, to obtain the optimum replacement of normal coarse aggregate nca with the recycled coarse aggregate rca in the design of basalt fibrous selfcompacting concrete. For plain concrete, the compaction technique also affects this parameter. Six different mixes were produced in two different conditions. Self compacting concrete is a recent development that shows potential for future applications. Workability of hybrid fiber reinforced selfcompacting. Fullscale testing and numerical analysis of a precast. Fibre reinforced self compacting concrete frscc is a highperformance building material that combines positive aspects of fresh properties of self compacting concrete scc with improved. As a result of this ability to arrest cracks, fibre composites possess. Using fibers improves strength and resistance to impact, resistance against strikes and growth, and increases ductility, fracture energy absorption and ductility of concrete. In 1960s, a variety of fibers, including polypropylene, glass, and steel fibers were used in concrete 16.
Experimental study on fiber reinforced self compacting. Concrete overlays due to restrained shrinkage by j. Selfcompacting concrete civil engineering community. To investigate crack initiation and propagation in reinforced, selfcompacting, steelfibrereinforced concrete scsfrc members, tie elements were tested in tension. Application of the fluid dynamics model to the field of. The mix design arrived is for m30 shorten construction period. Bond of reinforcement in selfcompacting steelfibre reinforced concrete anette jansson, ingemar lofgren, karin lundgren and kent gylltoft published in magazine of concrete research, see journal homepage.
This study was conducted to investigate the properties of fiber reinforced self compacting concrete with hybrid fibres, steel fibres and nylon fibres reinforced self compacting concrete. Rotation capacity of selfcompacting steel fibre reinforced. The present experimental investigation focuses on hybrid fibre reinforced concrete combination of hooked end steel fibre and glass fiber for selfcompacting concrete scc and vibrated concrete vc. In the experiments, normal and high strength self compacting concretes with up. By means of experimental research, the influence of a magnetic field on the behaviour a single fibre and the interaction between multiple fibres is studied.
Mechanical behaviour of self compacting concrete with hybrid fibre reinforced concrete guided by. Simplified mix design procedures for steel fibre reinforced self compacting concrete abibasheer basheerudeen and sivakumar anandan structural engineering division, smbs, vit, vellore, tamilnadu, india email. Hence, present investigation is focused to study the mechanical and durability properties of self compacting fibre reinforced recycled aggregate concrete. Abstract self compacting concrete has developed as an advanced material, proficient of attaining remarkable development in the arena of concrete technology. Also, to obtain the optimum replacement of normal coarse aggregate nca with the recycled coarse aggregate rca in the design of basalt fibrous self compacting concrete. Experimental analysis of steel fiber reinforced self. Study of a selfcompacting fiberreinforced concrete to be. Self compacting concrete, fiber reinforcement, fly ash, workability, strength 1. Jan 25, 2012 to investigate crack initiation and propagation in reinforced, selfcompacting, steelfibrereinforced concrete scsfrc members, tie elements were tested in tension. 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. Fullscale testing and numerical analysis of a precast fibre. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fiberss. His main interests are the experimental characterization of steel fiber reinforced selfcompacting concrete.
Inclusion of relatively small amounts of fibre can adequately. Eindhoven university of technology master magnetically. Performance of glass fibre reinforced self compacting. Demonstration on the coalescence of fiber reinforced. Workability of hybrid fiber reinforced selfcompacting concrete. In the present work, it was possible to delimit the main parameters that allow to obtain a selfcompacting concrete with high early age strength. In order to determine the maximum fibre content of scfrc. Performance of steel fiber reinforced self compacting. By using superplasticizers and mineral admixtures such as slag and fly ash, three sfrc of different fiber contents 0. Transporting fibres as reinforcement in selfcompacting concrete. Fibre reinforced concrete frc extends the versatility of concrete as a construction material, offers a potential to simplify the construction process and, when combined with self compacting concrete, signifies an important step towards industrial construction. Research and applications, aci committees 544 and 237, 5168. 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.
Fresh properties including slump flow, vfunnel, lbox, u box, j. Pdf study of a selfcompacting fiberreinforced concrete to. Pdf steel fibre reinforced selfcompacting concrete from micro. Taylor, peter deegan3, liberato ferrara, mohammed sonebi2, philip crosset2, and andrea pattarini4 1 department of civil and environmental engineering, politecnico di milano, p. The range of benefits offered go beyond fundamental aspects of concrete quality and productivity. This paper describes an experimental program designed to obtain a selfcompacting fiberreinforced concrete formulation based on the faurys reference curve, suitable to develop new solutions of nonstructural slender precast elements in buildings.
An experimental investigation has been carried out to determine different characters like workability and strength of selfcompacting concrete scc. Fresh properties including slump flow, vfunnel, lbox, u box, j ring are carried out for self compacting concrete. Fibrereinforced concrete for industrial construction. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Self compacting concrete scc is commonly used in the prefab industry and the method therefore focuses on self compacting fibre reinforced concrete scfrc. Influence of fly ash on the properties of selfcompacting.
Walraven department of design and construction, delft university of technology, the netherlands the development of selfcompacting concrete scc was an important step towards efficiency. The selected frswc had a targeted slump flow of 20 in. Abstract unrivaled exhibitions of selfcompacting concrete scc in new state to accomplish a more uniform dispersion support the addition of fibers in concrete which is an inspiration for basic utilization of fiber fortified cement. It offers very attractive economical and technical benefits, which can be further extended when combined with frc. Fibrereinforced selfcompacting concrete frscc is a highperformance building material that combines positive aspects of fresh properties of selfcompacting concrete scc with improved. The maximum fibre content, at which a self compacting concrete can be produced, depends on the fibre type, the mixture composition, the mixing process and the characteristics of the concrete in the fresh state. Glass fibre reinforced self compacting concrete gfrscc is composed of cement, different sizes of coarse and fine aggregates, which integrate with distinct, uneven glass fibre. The results indicated that highvolume of fly ash can be used to produce steel fiber reinforced self compacting concrete, even though there is some increase in the concrete strength because of the use of steel fiber and highvolume of fly ash. Compared to fiber reinforced concrete frc, selfcompacting concrete scc is a relatively new type of concrete with high flowability and good cohesiveness. Steel fiber reinforced selfcompacting concrete sfrscc is a relatively recent material that. Field implementation of superworkable fiberreinforced. Modification to the fiber reinforced self compacting concrete mixtures have been done by using different types of fibers. Cunha and others published steel fibre reinforced selfcompacting concrete from micromechanics to composite. The effect of steel fiber quantity of fiber reinforcement selfcompacting concrete slabs is assessed.
One example is the use of steel fibers for various applications. The application of steel fibre reinforced selfcompacting concrete sfrsc in. In each class of slab, four different amount of fibers have been. Steel fibre reinforced selfcompacting concrete aip publishing. Introduction glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Experimental investigation of surface crack initiation. A fiber reinforced superworkable concrete fr swc made with 0. Performance of self compacting fibre reinforced concrete, international journal of science and research ijsr.
Hence, present investigation is focused to study the mechanical and durability properties of selfcompacting fibre reinforced recycled aggregate concrete. An experimental study is presented on the development of steel fibrereinforced concrete mixes, that are suitable for thin overlays in new and damaged concrete surfaces. Behavior and bonding characteristics of selfcompacting concrete ashraf m. Introduction in modern times of civil engineering, development of new materials and production methods have increased within the field of construction.
Also explore the seminar topics paper on self compacting 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, be, mtech students for the year 2015 2016. Ozbay et al 11 proposed the design procedure is based on l18 orthogonal array with six factors namely wc ratio, fine aggregate to total aggregate, percentage fly ash content, air entraining agents. Fiber reinforced concrete is commonly used in pavements. Prediction of stress development and cracking in steel fiberreinforced selfcompacting. Though there are notable improvements, some problems. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. Fibre reinforced selfcompacting concrete frscc is produced from cement, various size of aggregates which incorporate with fibres. Application of the fluid dynamics model to the field of fibre. This paper deals with the mix design and mechanical properties of self. The workability of fiber reinforced concrete is dependent to length, content, aspect ratio and shape of the fibers. Scc or selfconsolidating concrete in usa, is a segregationfree concrete although it has a high flowability. Analysis of self compacting concrete using hybrid fibres. Pdf increased productivity and improved working environment have had high priority in the. Experimental research and numerical simulation article pdf available in journal of structural engineering 48 august 2008 with 974 reads.
The results indicated that highvolume of fly ash can be used to produce steel fiber reinforced selfcompacting concrete, even though there is some increase in the concrete strength because of the use of steel fiber and highvolume of fly ash. The compressive, flexural, and split tensile strengths of the prepared concrete samples were investigated at ages of 7, 14, 28, and 90 days. In the hardened state, it equals or excels standard concrete with respect to strength and durability. Glass fibre reinforced concrete use in construction. It meets the demands placed by the requirements of speed and quality in concrete construction. Behavior of selfcompacting fiber reinforced concrete. The self compacting property of the concrete helps in fresh state of concrete and.
The addition of fibers to scc produces selfcompacting fiber reinforced concrete scfrc that not only has the fresh state benefits of scc but also has improved properties in the hardened state. This paper investigated the effects of combining fibers with selfconsolidating concrete scc. Investigation on the strength properties of hybrid fibre reinforced self. Performance of glass fibre reinforced self compacting concrete. To minimise the effort required for casting and compacting, the study aimed at developing concrete mixes that can. Selfcompacting concrete scc mixtures are divided into three types. Structural engineering 202016 university college of engineering, trichirappalli bit campus, india. The application of steel fibre reinforced self compacting concrete sfrsc in the construction of structural elements is seen as an alternative solution to the complication in placing the reinforcement and compaction of normally vibrated concrete. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging. A measure of the ease by which fresh concrete can be placed and compacted. Self compacting concrete seminar report, ppt, pdf for. Self consolidating fiber reinforced concrete youtube. Flowable concrete, selfcompacting concrete, fibres, testing, structural behaviour, standard.
Bond of reinforcement in selfcompacting steelfibre. Testing and performance of fiberreinforced, selfconsolidating. A fiberreinforced superworkable concrete fr swc made with 0. Mechanical behavior of selfcompacting reinforced concrete. Self compacting concrete, scc containing cementkilndust, ckd may offer several environmental, economic and technical benefits. Selfcompacting concrete scc is commonly used in the prefab industry and the method therefore focuses on selfcompacting fibre reinforced concrete scfrc. Fibre reinforced selfcompacting concrete flow simulations in. Mechanical properties of selfcompacted fiber concrete mixes. Fibre reinforced selfcompacting concrete flow simulations. Selfcompacting concrete is a recent development that shows potential for future applications. Selfcompating concrete reinforced with tyre recycled.
Steel fibre reinforced selfcompacting concrete sfrsc. However, a barrier to more widespread use of frc has been the lack of. Strain and surface crack formation were monitored with an optical strain measurement system based on digital image correlation. Glass fibre reinforced self compacting concrete gfrscc is composed of cement, different sizes of coarse and fine aggregates, which integrate with distinct, uneven glass fibres.
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