The designer is responsible for specifying the required performance classes, and in case of selfcompacting steel fibre reinforced concrete the fibre orientation. Increasingly, fibers are being used to replace temperature and shrinkage reinforcement in concrete and, in some applications, prim ary reinforcement. In the proposed mesoscale model, uhpsfrc consists of two components involving concrete matrix and. Steel fiber reinforcement has been around since the 1970ies and continues to evolve with time. The largest application for steel fiber reinforced concrete is floor slab construction, although its use as a replacement for or complement to structural reinforcement in other applications is growing fast. Currently, the structural performance and integrity of concrete structures reinforced with frp rebars are being studied extensively by researchers in japan, europe, and north america in order to investigate frp rebar structure capability and durability as reinforcement for concrete and to provide frp design provisions for different applications. Our office, allegheny design services, has examples on exterior slabs ongrade of over 20 years old, with only fiber reinforcing that still exhibits no cracks.
Design method development and software implementation for. Determining the material properties of steel fiber. Softwareinterface for design of hybrid fibre reinforced. Frp pro structural analysis program is an advanced software package for structuraland civil engineering design, analysis, and reference for fiber reinforced polymer frp reinforcement and strengthening. The steel fibres, which are randomly distributed in the cementitious mix, can have various volume fractions, geometries, orientations and material properties, see lofgren 2005. Slab on ground software 19215 redwood road cleveland, oh 44110 t 8003217628 f 2164817072. The analysis was done with using an advanced finite element software called atena cervenka et al 20. Design by performance testing, or proof testing, is applicable to precast units where a large number of items are required for a particular purpose. In some cases a combination of the two types of steel and synthetic microfibres has been used. En design of steelfibre reinforced concrete youtube. Flexural design of fiberreinforced concrete request pdf. Concrete column concrete slab concrete design design build firms building design construction estimating software reinforced concrete civil engineering home builders definition of flat slab it belongs to a reinforced concrete slab being supported directly with concrete. In ordinary jointed floors, steel fibers provide a safety net by limiting the width of any cracks that occur between the joints. Design method development and software implementation for fibre reinforced concrete slabs onground.
Fip 8 design and specification of fiberreinforced concrete. Load capacity is not diminished by concrete cracks. Our design guidance document steel fibre reinforced concrete slabs on metal decking has been revised to incorporate this more recent knowledge and experience and our floor deck reference manual, the white book now contains separate span and slab depth graphs for concrete reinforced with traditional mesh reinforcement and with the originally. Common practice of design of hfrc is a time consuming process, matlab is a software package which provides an interactive environment with hundreds of builtin numerical functions for technical computations, graphics and animations. Steel fibre reinforced concrete sfrc is more and more used as. Summary brochure 1euclid chemical fiber reinforced concrete. Fiber reinforced polymer frp and fabric reinforced cementitious matrix frcm engineering design share on print share on facebook share on twitter share on linkedin fiber reinforced polymer engineering design. Synthetic fibre reinforcement has been shown to be effective in increasing the tensile strength and toughness of concrete slabsonground. In this article a macro synthetic fibre reinforced precast concrete trackslabs design process will be presented. Several useful documents on fiber reinforced concrete frc have been developed by aci committee 544, fiber reinforced concrete, including a design guide, aci 544. Mesoscale analysis on ultrahigh performance steel fibre.
In the webinar, our product manager marwan altaie will walk you through the applications of steel fibre reinforced concrete and its influence on. The majority of industrial floor slabs using fiber reinforced concrete are designed in accordance with the uk concrete societys tr. Steel fiber reinforced concrete is nowadays mainly used for industrial floors. The material library for these fiber types is built into the software. Fiber efficiency is controlled by the resistance of the fibers to pullout, which in turn depends on the bond strength at the fiber matrix interface. In its design mode, the program determines the deflection and reinforcement for a user defined geometry, material and loading. Fibre reinforcement mainly enhances the postcracking properties of concrete and leads to a more ductile. Reinforced concrete slab and beam design software adaptrc. You can also compute the capacity of slabs, beams and columns strengthened with frp fibrereinforced polymers. Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. A set of closed form equations for flexural design of fiberreinforced concrete are presented. General overview of fibers used for concrete pavements with an emphasis on macro fibers and their effect on concrete properties and pavement construction.
Scias new engineer 18 software includes the ability to design and make calculations for steel. Design of fibre reinforced concrete beams and slabs. Cement was replaced with three percentages of silica fumes 0%, 10%, and 20%. These equations are based on simplified tensile and compressive constitutive response and may be used. With betonexpress you can easily design structural elements of reinforced concrete. Adaptrc is for the analysis andor design of reinforced concrete beams, slabs and floor systems. Steel fiber reinforcement for slabongrade concrete. This paper develops a more efficient and applicable threedimensional mesoscale model to simulate ultrahigh performance steel fibre reinforced concrete uhpsfrc slabs under contact explosions. Barchip has successfully reinforced over 4 million square metres of flooring works globally. For each structural element, you specify the basic dimensions, loads and material properties, and you obtain the detailed concrete design in ultimate limit state uls, and in serviceability limit state sls. How to use steel fibers in concrete concrete construction. Cfs 1002 astm type ii steel fibers for concrete reinforcement.
The use of fiber does not have a major effect on the compressive strength of the concrete. The first may be described as design on the basis of material properties. Installation of tabdeck fibre reinforced concrete tabdeck fibre reinforced concrete should be installed, cured and finished in exactly the same way as plain concrete. The new software includes several updates, but the most notable is the new tool for evaluating steel fiber reinforced concrete srfc. With the new sikafiber software, sika provides a tool for designing fiber reinforced concrete frc slabs on grade reinforced using polypropylene or steel. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Fire design of tabdeck steel fibre reinforced concrete the fire resistance of concrete composite slabs reinforced with. The artificial neural network and support vector machine were used to estimate the compressive strength and flexural strength of carbon fiber reinforced lightweight concrete with the silica fume exposed to the high temperature. This project proved that the material can be used in largescale projects and that the. Over the decades, groundsupported floor slabs have been designed and built using steel to enhance concrete properties. Fip 8 design and specification of fiberreinforced concrete fip 8 design and specification of fiberreinforced concrete increasingly, fibers are being used to replace temperature and shrinkage reinforcement in concrete and, in some applications, prim ary reinforcement several useful documents on fiber reinforced concrete. Slabs with fibrereinforced concrete can thus be designed in accordance with the standards for composite slabs with fabric reinforcement. In wideslab construction, the dosage is typically about 30 to 50kgm3.
Our experienced team can guide you through the design process, providing comparative analysis, structural design and where appropriate complex finite element analysis fea. Optimize your fiberreinforced concrete slab on grade. Steel fiber reinforcement for slab ongrade applications cfs 1002 steel fibers help control random cracks in groundsupported concrete floors. Steel fibre reinforced concrete slabs on metal decking. Superior fiber concrete reinforcement for tr34 flooring. Fiber reinforced concrete design by barchip concrete solutions. Fiber reinforced polymer frp design example the following frp design example walks the reader through the typical process for designing an frp strengthening solution for a concrete tbeam per aci 440. This tool was built in into finite element software scia engineer and based on the. Join the world of reinforced concrete member design in the most modern, accurate, copetitive and timesaving way. Betonexpress design of concrete structures according to.
Steel fiber floorslab applications can save money when compared to. Prediction of the strength properties of carbon fiber. Structural engineering software company scia recently released. Summary brochure 1euclid chemical fiber reinforced. When a point load is first imposed on a concrete slab the slab. There is a lot of concrete design software and rightfully so, because concrete is used in so many ways. Fiber reinforced concrete overview for concrete pavement. It is based on a single story frame, featuring the equivalent frame modeling of the aci code as an option. The postcracking strength of a concrete member is generally not considered in the design of slabs ongrade. The approach is approved by sci steel construction institute for specified combinations of steel fibres and decking. 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. Design method development and software implementation for fibrereinforced concrete slabsonground.
Fiber reinforced concrete overview for concrete pavement and overlays. The wire reinforcing institute recommends the use of the subgrade drag theory for slabs up to 150 feet in length. Design method development and software implementation for fibre. They include steel, glass, synthetic and natural fibers.
Cfs 1002 fibers are ideal for slab on grade applications. Barchip synthetic fiber concrete reinforcement is used to replace welded wire mesh in commercial and industrial flooring, residential flooring, hardstands, metal deck and other slab on grade applications. In the following, fibre concrete means steel fibre reinforced concrete, reinforced con crete means concrete with ordinary reinfor cement whereas plain concrete means no reinforcement at all. With the new sikafiber software, sika provides a tool for designing fiberreinforced concrete frc slabs on grade reinforced using polypropylene or steel. Betonexpress design of concrete structures according to eurocode 2. Frp reinforced concrete slabs a comparative design study. Simpson strongtie composite strengthening systems css provide efficient fiber reinforced polymer frp solutions for the structural reinforcement and strengthening of concrete, masonry and timber structures in need of repair or upgrade. Barchips macro synthetic fiber concrete reinforcement conforms with international design methodologies and standards from bodies such as dbv, rilem, cnr, aci, itatech and the uk concrete society. Thesis presented in fulfilment of the requirements for the degree of master of engineering in civil engineering in the faculty of engineering at stellenbosch university. Aci 360, design of slabs ongrade, refers to this as a type b slab. Nonlinear calculation of a floor slab made of steel fiber reinforced.
Fiber reinforced concrete design by barchip concrete. Similarly, no computerbased design packages that facilitate the analysis and design of such slabs. Steel fibre reinforced concrete is a composite material made up of a cement mix and steel fibres. But steel fiberreinforced concrete sfrc is increasingly gaining. Application of the design code for steel fibre reinforced concrete into. The hybrid fibre reinforced concrete is a significant advancement in the building technology. This document is a companion report to overview of fiber reinforced concrete bridge decks, which summarizes the experience from existing bridge deck and bridge deck overlay construction projects that have employed frc materials.