Demonstration on the coalescence of fiber reinforced. Mechanical behavior of selfcompacting reinforced concrete. This paper investigated the effects of combining fibers with selfconsolidating concrete scc. 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. 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. Strain and surface crack formation were monitored with an optical strain measurement system based on digital image correlation.
In the experiments, normal and high strength self compacting concretes with up. 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. Fiber reinforced concrete is commonly used in pavements. Hence, present investigation is focused to study the mechanical and durability properties of self compacting fibre reinforced recycled aggregate concrete. Experimental research and numerical simulation article pdf available in journal of structural engineering 48 august 2008 with 974 reads. Self compacting concrete, scc containing cementkilndust, ckd may offer several environmental, economic and technical benefits. Behavior and bonding characteristics of selfcompacting concrete ashraf m. 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. Workability of hybrid fiber reinforced selfcompacting.
Properties and applications offiber reinforced concrete. Glass fibre reinforced concrete use in construction. The self compacting property of the concrete helps in fresh state of concrete and properties in hardened state is enhanced by fibre. 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. The effect of steel fiber quantity of fiber reinforcement selfcompacting concrete slabs is assessed. Bond of reinforcement in selfcompacting steelfibre. In each class of slab, four different amount of fibers have been. The present study focus on the systematic design methodology for producing a. 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. Rotation capacity of selfcompacting steel fibre reinforced.
Experimental investigation on selfcompacting fiber reinforced. Prediction of stress development and cracking in steel fiberreinforced selfcompacting. In the hardened state, it equals or excels standard concrete with respect to strength and durability. The selected frswc had a targeted slump flow of 20 in. The range of benefits offered go beyond fundamental aspects of concrete quality and productivity. 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. The compressive, flexural, and split tensile strengths of the prepared concrete samples were investigated at ages of 7, 14, 28, and 90 days.
For plain concrete, the compaction technique also affects this parameter. Transporting fibres as reinforcement in selfcompacting. 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. 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. An experimental investigation has been carried out to determine different characters like workability and strength of selfcompacting concrete scc. Self consolidating fiber reinforced concrete youtube. Fibrereinforced concrete for industrial construction. 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. Study of a selfcompacting fiberreinforced concrete to be. Concrete overlays due to restrained shrinkage by j.
To investigate crack initiation and propagation in reinforced, selfcompacting, steelfibrereinforced concrete scsfrc members, tie elements were tested in tension. Steel fibre reinforced selfcompacting concrete aip publishing. Selfcompacting concrete scc is commonly used in the prefab industry and the method therefore focuses on selfcompacting fibre reinforced concrete scfrc. Pdf study of a selfcompacting fiberreinforced concrete to. 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 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. The use of fibers extends its possibilities since fibers arrest cracks and retard their propagation. Fresh properties including slump flow, vfunnel, lbox, u box, j ring are carried out for self compacting concrete. Compared to fiber reinforced concrete frc, selfcompacting concrete scc is a relatively new type of concrete with high flowability and good cohesiveness. 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. 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.
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. Maximum fiber content and passing ability of selfconsolidating fiberreinforced concrete by s. In 1960s, a variety of fibers, including polypropylene, glass, and steel fibers were used in concrete 16. 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. Workability of hybrid fiber reinforced selfcompacting concrete. It meets the demands placed by the requirements of speed and quality in concrete construction. Selfcompacting fiber reinforced concrete request pdf. Influence of fly ash on the properties of selfcompacting. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. The mix design arrived is for m30 shorten construction period. In order to determine the maximum fibre content of scfrc. Self compacting concrete scc is commonly used in the prefab industry and the method therefore focuses on self compacting fibre reinforced concrete scfrc. Cunha and others published steel fibre reinforced selfcompacting concrete from micromechanics to composite.
It offers very attractive economical and technical benefits, which can be further extended when combined with frc. Taylor, peter deegan3, liberato ferrara, mohammed sonebi2, philip crosset2, and andrea pattarini4 1 department of civil and environmental engineering, politecnico di milano, p. He is a member of aci committees 363, highstrength concrete. Eindhoven university of technology master magnetically. Fresh properties including slump flow, vfunnel, lbox, u box, j. However, a barrier to more widespread use of frc has been the lack of. Behavior of selfcompacting fiber reinforced concrete. Also self compacting concrete has a brittle characteristic even with other kinds of cementitious materials. Compared to fiber reinforced concrete frc, self compacting concrete scc is a relatively new type of concrete with high flowability and good cohesiveness.
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. Steel fibre reinforced selfcompacting concrete sfrsc. 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. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology. Modification to the fiber reinforced self compacting concrete mixtures have been done by using different types of fibers.
His main interests are the experimental characterization of steel fiber reinforced selfcompacting concrete. Mechanical properties of selfcompacted fiber concrete mixes. Pdf steel fibre reinforced selfcompacting concrete from micro. Then, the knowledge gained from this investigation was applied in developing a model for the rotation capacity of scsfrc members. 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. Application of the fluid dynamics model to the field of fibre. Performance of glass fibre reinforced self compacting.
This paper investigated the effects of combining fibers with self consolidating concrete scc. To minimise the effort required for casting and compacting, the study aimed at developing concrete mixes that can. The application of steel fibre reinforced selfcompacting concrete sfrsc in. Self compacting concrete seminar report, ppt, pdf for civil. Self compacting concrete, fiber reinforcement, fly ash, workability, strength 1. Though there are notable improvements, some problems.
Introduction in modern times of civil engineering, development of new materials and production methods have increased within the field of construction. Explore self compacting concrete with free download of seminar report and ppt in pdf and doc format. Selfcompacting concrete civil engineering community. 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. Application of the fluid dynamics model to the field of. Analysis of self compacting concrete using hybrid fibres. Fiberreinforced selfcompacting concrete frscc is a new type of concrete mix that can mitigate two opposing weaknesses.
In the experiments, normal and high strength selfcompacting concretes with up. 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. In the present work, it was possible to delimit the main parameters that allow to obtain a selfcompacting concrete with high early age strength. 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. A fiberreinforced superworkable concrete fr swc made with 0. Introduction glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Self compacting concrete is a recent development that shows potential for future applications. Experimental investigation of surface crack initiation. Selfcompacting concrete scc mixtures are divided into three types. By using superplasticizers and mineral admixtures such as slag and fly ash, three sfrc of different fiber contents 0. 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. Inclusion of relatively small amounts of fibre can adequately. Field implementation of superworkable fiberreinforced.
Using fibers improves strength and resistance to impact, resistance against strikes and growth, and increases ductility, fracture energy absorption and ductility of concrete. Fibre reinforced selfcompacting concrete flow simulations. Investigation on the strength properties of hybrid fibre reinforced self. Simplified mix design procedures for steel fibre reinforced. 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. 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. Pdf study of a selfcompacting fiberreinforced concrete. This paper deals with the mix design and mechanical properties of self. Steel fiber reinforced selfcompacting concrete sfrscc is a relatively recent material that. 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. Fibre reinforced selfcompacting concrete frscc is produced from cement, various size of aggregates which incorporate with fibres. Mechanical behaviour of self compacting concrete with hybrid fibre reinforced concrete guided by. Performance of glass fibre reinforced self compacting concrete. Pullout behavior of steel fibers in selfcompacting concrete vtor m.
Fullscale testing and numerical analysis of a precast fibre. Cracking of fiberreinforced selfcompacting concrete due. Performance of steel fiber reinforced self compacting concrete. Experimental analysis of steel fiber reinforced self. Six different mixes were produced in two different conditions. Hence, present investigation is focused to study the mechanical and durability properties of selfcompacting fibre reinforced recycled aggregate concrete. Ozbay et al 11 proposed the design procedure is based on l18 orthogonal array with six factors namely wc. As a result of this ability to arrest cracks, fibre composites possess. The self compacting property of the concrete helps in fresh state of concrete and. Jan 25, 2012 to investigate crack initiation and propagation in reinforced, selfcompacting, steelfibrereinforced concrete scsfrc members, tie elements were tested in tension. Based on current research and available knowledge about scc presented in this paper, the following trends are emerging.
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. Performance of self compacting fibre reinforced concrete, international journal of science and research ijsr. Pdf mechanical properties of selfcompacted fiber concrete mixes. Selfcompacting concrete, fiber reinforcement, fly ash, workability, strength 1. Fullscale testing and numerical analysis of a precast. One example is the use of steel fibers for various applications. Testing and performance of fiberreinforced, selfconsolidating. A fiber reinforced superworkable concrete fr swc made with 0. Structural engineering 202016 university college of engineering, trichirappalli bit campus, india. The experimental set up for various tests were described below. The workability of fiber reinforced concrete is dependent to length, content, aspect ratio and shape of the fibers. 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. Self compacting concrete seminar report, ppt, pdf for.
Pdf increased productivity and improved working environment have had high priority in the. Abstract self compacting concrete has developed as an advanced material, proficient of attaining remarkable development in the arena of concrete technology. Design of fibre reinforced concrete beams and slabs. 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. Research and applications, aci committees 544 and 237, 5168. Fibrereinforced selfcompacting concrete frscc is a highperformance building material that combines positive aspects of fresh properties of selfcompacting concrete scc with improved. This investigation is done for a m60 grade concrete with steel fiber dosage of. Transporting fibres as reinforcement in selfcompacting concrete.
Scc or selfconsolidating concrete in usa, is a segregationfree concrete although it has a high flowability. Performance of steel fiber reinforced self compacting. Aci manual of concrete pratice part 5 american concrete institute, 1993. 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. Delft university of technology flowable fibrereinforced. Flowable concrete, selfcompacting concrete, fibres, testing, structural behaviour, standard. Fibre reinforced selfcompacting concrete flow simulations in.
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