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. 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. Betonexpress design of concrete structures according to. Synthetic fibre reinforcement has been shown to be effective in increasing the tensile strength and toughness of concrete slabsonground. 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. With the new sikafiber software, sika provides a tool for designing fiber reinforced concrete frc slabs on grade reinforced using polypropylene or steel. This tool was built in into finite element software scia engineer and based on the. With betonexpress you can easily design structural elements of reinforced concrete. Superior fiber concrete reinforcement for tr34 flooring.
Design by performance testing, or proof testing, is applicable to precast units where a large number of items are required for a particular purpose. Fiber reinforced concrete overview for concrete pavement. Fire design of tabdeck steel fibre reinforced concrete the fire resistance of concrete composite slabs reinforced with. Over the decades, groundsupported floor slabs have been designed and built using steel to enhance concrete properties. Design method development and software implementation for fibre reinforced concrete slabs onground. Cement was replaced with three percentages of silica fumes 0%, 10%, and 20%. 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. The postcracking strength of a concrete member is generally not considered in the design of slabs ongrade. Optimize your fiberreinforced concrete slab on grade. Slabs with fibrereinforced concrete can thus be designed in accordance with the standards for composite slabs with fabric reinforcement.
Reinforced concrete slab and beam design software adaptrc. Aci 360, design of slabs ongrade, refers to this as a type b slab. En design of steelfibre reinforced concrete youtube. Steel fiber reinforcement for slabongrade concrete. Adaptrc is for the analysis andor design of reinforced concrete beams, slabs and floor systems. The first may be described as design on the basis of material properties. Reinforcing concrete with tiny steel wiresin addition to rebarhas been popular in europe, where its commonly used to reinforce industrial floors. Design of fibre reinforced concrete beams and slabs. When a point load is first imposed on a concrete slab the slab. Cfs 1002 astm type ii steel fibers for concrete reinforcement. This project proved that the material can be used in largescale projects and that the. 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. How to use steel fibers in concrete concrete construction. The majority of industrial floor slabs using fiber reinforced concrete are designed in accordance with the uk concrete societys tr.
The approach is approved by sci steel construction institute for specified combinations of steel fibres and decking. These equations are based on simplified tensile and compressive constitutive response and may be used. What is the best reinforced concrete design software. 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. Summary brochure 1euclid chemical fiber reinforced concrete.
In the webinar, our product manager marwan altaie will walk you through the applications of steel fibre reinforced concrete and its influence on. Steel fibre reinforced concrete slabs on metal decking. It is based on a single story frame, featuring the equivalent frame modeling of the aci code as an option. This paper develops a more efficient and applicable threedimensional mesoscale model to simulate ultrahigh performance steel fibre reinforced concrete uhpsfrc slabs under contact explosions. Steel fiber reinforcement has been around since the 1970ies and continues to evolve with time. Steel fiber reinforcement for slab ongrade applications cfs 1002 steel fibers help control random cracks in groundsupported concrete floors. Summary brochure 1euclid chemical fiber reinforced. In this article a macro synthetic fibre reinforced precast concrete trackslabs design process will be presented.
Design method development and software implementation for. 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. 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. Several useful documents on fiber reinforced concrete frc have been developed by aci committee 544, fiber reinforced concrete, including a design guide, aci 544. The analysis was done with using an advanced finite element software called atena cervenka et al 20. Prediction of the strength properties of carbon fiber. But steel fiberreinforced concrete sfrc is increasingly gaining. 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 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 fibrereinforced concrete slabsonground. Barchip has successfully reinforced over 4 million square metres of flooring works globally. Steel reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs. The use of fiber does not have a major effect on the compressive strength of the concrete.
Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. 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. The new software includes several updates, but the most notable is the new tool for evaluating steel fiber reinforced concrete srfc. 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. Slab on ground software 19215 redwood road cleveland, oh 44110 t 8003217628 f 2164817072.
Fip 8 design and specification of fiberreinforced concrete. Steel fibre reinforced concrete sfrc is more and more used as. With the new sikafiber software, sika provides a tool for designing fiberreinforced concrete frc slabs on grade reinforced using polypropylene or steel. The designer is responsible for specifying the required performance classes, and in case of selfcompacting steel fibre reinforced concrete the fibre orientation. 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. Structural engineering software company scia recently released.
Although extensive research has been carried out to analyse and predict the performance of synthetic fibre reinforced concrete synfrc slabs onground, no universally accepted design guideline exists. The steel fibres, which are randomly distributed in the cementitious mix, can have various volume fractions, geometries, orientations and material properties, see lofgren 2005. Scias new engineer 18 software includes the ability to design and make calculations for steel. The hybrid fibre reinforced concrete is a significant advancement in the building technology. Fiber reinforced concrete design by barchip concrete solutions. Betonexpress design of concrete structures according to eurocode 2. Our experienced team can guide you through the design process, providing comparative analysis, structural design and where appropriate complex finite element analysis fea. In some cases a combination of the two types of steel and synthetic microfibres has been used.
They include steel, glass, synthetic and natural fibers. In wideslab construction, the dosage is typically about 30 to 50kgm3. In ordinary jointed floors, steel fibers provide a safety net by limiting the width of any cracks that occur between the joints. Frp reinforced concrete slabs a comparative design study. 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. Design method development and software implementation for fibre. Nonlinear calculation of a floor slab made of steel fiber reinforced. You can also compute the capacity of slabs, beams and columns strengthened with frp fibrereinforced polymers. 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. There is a lot of concrete design software and rightfully so, because concrete is used in so many ways. Join the world of reinforced concrete member design in the most modern, accurate, copetitive and timesaving way. In its design mode, the program determines the deflection and reinforcement for a user defined geometry, material and loading. In the proposed mesoscale model, uhpsfrc consists of two components involving concrete matrix and.
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. Fiber reinforced concrete overview for concrete pavement and overlays. Steel fiber floorslab applications can save money when compared to. 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. 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.
Fiber reinforced polymer frp design example simpson. Softwareinterface for design of hybrid fibre reinforced. Steel fiber reinforced concrete is nowadays mainly used for industrial floors. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. The material library for these fiber types is built into the software. 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. The bents and hooks are crucial to the fiber s anchoring performance and subsequent concrete ductility. Application of the design code for steel fibre reinforced concrete into. Similarly, no computerbased design packages that facilitate the analysis and design of such slabs. 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. 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. Increasingly, fibers are being used to replace temperature and shrinkage reinforcement in concrete and, in some applications, prim ary reinforcement. 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.
Flexural design of fiberreinforced concrete request pdf. Determining the material properties of steel fiber. Steel fibre reinforced concrete sfrc is well known in several areas of civil engineering as a structural application underground structures probably represent one of the most important fields of application for sfrc tunnels, caverns, shafts, etc, as well as slope stabilization works. These improvements include impact resistance, flexural strength, toughness, fatigue resistance, and ductility. Cfs 1002 fibers are ideal for slab on grade applications. Steel fibre reinforced concrete is a composite material made up of a cement mix and steel fibres. A set of closed form equations for flexural design of fiberreinforced concrete are presented. Design of steelfibrereinforced concrete is not covered by design standards such as bs 8110 now withdrawn or eurocode 2, which assume the use of bar reinforcement. Full design of fiber reinforced concrete floors can be done using euclid chemical slab on ground online software according to aci 360.