He is a member of aci committees 363, highstrength concrete. Fibre reinforced concrete frc frc is a structural material having nearly the same cementitious matrix composites as a plain concrete pc except fibres of different types and forms. Rarely, other fibres such as paper, wood, or asbestos have been used. An investigation of the behaviour of steel and polypropylene fibre reinforced concrete slabs, 7th international conference. Fibre reinforced concrete using domestic waste plastics as. Pdf on apr 16, 2015, mirvat abdallah and others published polypropylene fiber reinforced concrete find, read and cite all the research you need on researchgate.
Due to the lack of information on the ductile performance of hybrid fibre reinforced concrete composite hyfrcc, an attempt was made to examine. Mohod1 1 assistant professor, department of civil engineering,prof. Pdf mechanical properties of polypropylene fibre reinforced. The effects of polypropylene fibers on the properties of reinforced. Ratios of fibre are 600 gm3, 1200 gm3 and 1800 gm3. About 20% of these are synthetic fiber, 0% are other fiber, and 3% are 100% polypropylene yarn. Polypropylene fiber reinforced concrete pdf organized by department of civil engineering, srm university, ramapuram campus, chennai, india.
Such concrete is also used in retrofitting and repairing the covering of concrete structure, tunnels, etc. Oct 02, 2011 this project report on polymer fibre reinforced concrete pavements is about the polymer fibre reinforced concrete pavements. A comparative evaluation of plain, polypropylene fiber, steel fiber, and wire mesh reinforced shotcretes d. Ram meghe institute of technology and research,badnera, amravati, india abstract.
Steel fibre reinforced concrete is a composite material having fibres as the additional ingredients, dispersed uniformly at random in small percentages, i. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fiberss. In addition, the character of fiberreinforced concrete. Design of fibre reinforced concrete beams and slabs. A comparative study article pdf available september 2015 with 1,973 reads how we measure reads. Application of polypropylene fibrillated fibres for. An experimental research investigation of the fresh and hardened material properties of fibrillated polypropylene fiber reinforced concrete is reported. Good results are obtained by application of fibrillated fibres with the netlike. R 1,2,3,4 ugstudents, 5assistant professor department of civil engineering jss academy of technical education, bengaluru 560060, karnataka, india.
Fiber effects on concrete properties were assessed. Their primary role is to modify the properties of the fresh concrete. The compressive, shear strengths and abrasionerosion resistance as well as flexural properties of two polypropylene fiber reinforced concretes and the com. Mechanical properties of concrete such as compressive strength, modulus of elasticity, flexural strength and toughness, abrasion and impact were determined. Properties of polypropylene fiber reinforced concrete. Polypropylene fibre reinforced concrete pdf download. The introduction of polypropylene fibres in concrete affects its properties both in the fresh and hardened state. To use these fibers, concrete mix design does not have to be altered, and no special equipment or slump modifications are required, even for. Properties and applications of fiber reinforced concrete. Due to the lack of information on the ductile performance of hybrid fibre reinforced concrete composite hyfrcc, an attempt was made to. In this study, the results of the strength properties of polypropylene fiber.
The fibres are usually glass in fibreglass, carbon in carbon fiber reinforced polymer, aramid, or basalt. In the present paper, test specimens were prepared for studying the effect of polypropylene fibers on the mechanical properties of normal strength concrete. Plastic shrinkage cracking of polypropylene fiberreinforced. In this study, steel fibre sf and polypropylene fibres ppf were combined to produce a hybrid system.
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. Also, the samples fabricated with coral aggregate and. Except for abrasion, polypropylene fibres improved the mechanical properties of control concrete and. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. The mechanical properties of polypropylene fiber reinforced concrete.
Ambedkar national institute of technology, jalandhar, india abstract results of an investigation conducted to evaluate the strength and flexure toughness of. Performance of polypropylene fibre reinforced concrete milind v. The tests conducted included determinating the compressive strength of hardened concrete. Little or no flame spread on the surface of polypropylene fibre reinforced panels was reported in laboratory tests. Properties of polypropylene fiber reinforced concrete and. Strengthening of beam column joint with steel fibre.
The objective of the study is to use recycled aggregates obtained from polypropylene fiberreinforced concrete in new concrete applications. The concrete samples were made with different fibers amounts from 0 to 2 kg m. Flexural behaviour of reinforced concrete beams with discrete. Ultra fibre concrete is lafarges polypropylene micro fibre reinforced readymix concrete. Mechanical properties of polypropylene fiber reinforced. Statistical analysis of polypropylene fibre reinforced. The main fibres used are steel, polypropylene and glass. Various fibrereinforcing materials are available nowadays, but structural applications of fibrereinforced concrete are mainly made of steel fibre meda et al, 2004. Use of polypropylene fiber reinforced concrete as a construction. A combination of high strength, stiffness and thermal resistance favorably characterizes the fiibers. Fiber reinforced concrete was successfully used in variety of engineering applications, because of its satisfactory and outstanding performance in the industry and construction field. 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 paper deals with the effects of addition of various proportions of polypropylene fibers on the properties of high strength concrete m30and m40 mixes.
Crimped and hooked end steel fibre of length 50 mm and an aspect ratio equal to 50 was added to concrete in different proportions i. It reduce the air voids and water voids the inherent porosity of gel. Mechanical properties of polypropylene fibre reinforced. The fibres restrict crack propagation and positively affect several concrete parameters. To improve the adhesion of polypropylene to cement matrix, geometrically deformed or modified fibres are commonly used. Polypropylene fiber a synthetic fiber formed from a polypropylene melt. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology abstract. Project report on polymer fibre reinforced concrete pavements. Properties and applications offiber reinforced concrete. It turns concrete into a composite material that slows crack propagation and reduces plastic shrinkage cracking. Zellers since the early 1970s, steel fiber reinforced shotcrete has been increasingly used for such applications assupport in tunnels, mines, excavations, and rock slopes. Reinforced cementplaster, concrete rheology, concrete mechanics, polypropylene fibre reinforcement. Article information, pdf download for utilizing polypropylene fibers to.
Fiber reinforced concrete frc is concrete containing fibrous material which increases its structural integrity. A comprehensive study of the polypropylene fiber reinforced fly. This project report on polymer fibre reinforced concrete pavements is about the polymer fibre reinforced concrete pavements. Since a large portion of the volume of concrete is composed of aggregates, first the.
Polypropylene fiber is generally superior to polyamide fibers in elasticity and resiliency, but it has lower wear resistance. Steel fibre sf is found to enhance the flexural and tensile strengths, and at the same time is able to resist the formation of macro cracking and concrete spalling. A pavement is the layered structure on which vehicles travel. Various types of fibre may be added to the concrete to improve its properties, either in the fresh unhardened state or in service. Use of polypropylene fiber reinforced concrete as a construction material for rigid pavements. Plastic shrinkage cracking of polypropylene fiberreinforced concrete slabs parviz soroushian, fa1z mirza, and abdulrahman alhozaimy the effects of polypropylene fibers and construction operations on the plastic shrinkage cracking of concrete slabs were investi gated. Reducing manual damage in transferring material, dry casted. Technical aspects of polypropylene fibres were given at table 1. Except for abrasion, polypropylene fibres improved the mechanical properties of control concrete and 0.
Constructions sustainable option harnessing fibres for concrete construction, dundee, scotland, 810 july 2008. In a developing country such as india, road networks form the arteries of the nation. Recycling of polypropylene fiber reinforced concrete avestia. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. Fibres such as graphite and glass have excellent resistance to creep, while the same is not true for most resins.
D811257 submitted in fulfilment of the requirement for the rward of doctor of philosophy in civil engineering department of the university of nigeria, nsukka. Fiber reinforced concrete is a composite material of mixtures of cement. Concrete, polypropylene fibers, compressive strength, split tensile strength. Eight types of polypropylene fibres were used in fibred source concretes figure 1.
Various types of short, chopped polypropylene fibres are available. It contains short discrete fibers that are uniformly distributed and randomly oriented. Fiber reinforced concrete are of different types and properties with many advantages. Polypropylene fiber article about polypropylene fiber by.
Types of fibre reinforced concrete steel reinforced concrete. Nema strength prediction of polypropylene fiber reinforced concrete investigates on the study of effects of polypropylene fiber on the compressive and flexural strength of normal weight concrete. Murugesan2 1department of civil engineering, bhaktavatsalam polytechnic college, kanchipuram, tamilnadu, india 2anna university of technology madurai, madurai, tamilnadu. Performance of polypropylene fibre reinforced concrete. Fiber reinforced concrete types, properties and advantages. The effects of polypropylene fibers on the properties of. Keywords fiberreinforced concrete, polypropylene fiber, mechanical. In this study, the results of polypropylene fibers reinforced concrete properties have been. Fibre reinforced plastic frp also called fiber reinforced polymer, or fiber reinforced plastic is a composite material made of a polymer matrix reinforced with fibres. When concrete cracks, the randomly oriented fibers start functioning, arrest crack formation and propagation, and thus improve strengthand ductility. The interest in the use of fibers for the reinforcement of composites has increased during the last several years. Statistical methods of experimental design and analysis.
Plastic shrinkage cracking test have been performed on polypropylene fiber reinforced concrete to evaluate the effectiveness of the fibers in controlling shrinkage induced cracking. Mechanical properties of polypropylene fibre reinforced concrete for m25 and m 30 mixes. Polypropylene fibres have been applied for reinforcement of cement mortars and concrete for many years. Rarely, other fibres such as paper, wood, or asbestos have been. Statistical analysis of results produced reliable conclusions on the mechanical properties of polypropylene fiber reinforced concrete, and also on the inter action of fibers and pozzolanic admixtures in deciding these properties. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. The modern development of fiber reinforced concrete frc started in the early sixties1j. A wide variety of polypropylene fiber price options are available to you, such as use, pattern, and style. In this study, the results of polypropylene fibers reinforced concrete properties have been presented.
The compressive strength, permeability and electric resistivity of concrete samples were studied. Quantitatively concrete occupies the largest volume in any modern. Utilizing polypropylene fibers to improve physical and mechanical. Macro synthetic fibres can be added during or after the batching of the concrete but should never be added as the first component. From the experimental investigation, it is found that fibre reinforced beamcolumn joint with fibre 1. The paper deals with the effects of addition of various proportions of polypropylene fibers on the.
What are the difference between tender and contract documents. Concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, and discontinuous discrete fibers is called fiberreinforced. Recycling of polypropylene fiber reinforced concrete. Polypropylene fibre reinforced concrete pdf organized by department of civil engineering, srm university, ramapuram campus, chennai, india. Various fibre reinforcing materials are available nowadays, but structural applications of fibre reinforced concrete are mainly made of steel fibre meda et al, 2004. Bending toughness of hybrid fiber reinforced concrete, with the substrate intensity c30, the quantity of the volume for the steel fiber dosage 01. Cost saving fibre reinforced concrete alternatives. Polypropylene fiberreinforced concrete pfrc, compressive strength, split tensile strength, flexural strength and rcc beam. Introduction in recent years, many studies have been conducted in the mechanical characteristics of reinforced fiber concrete.
Polypropylene fibres are chemically inert, and so will not rust, corrode or rot, and will not absorb water. Concrete reinforced with polypropylene fibers concrete. The objective of the study is to use recycled aggregates obtained from polypropylene fiber reinforced concrete in new concrete applications. Three different ratios from each fibre adjusted to source concrete mixture. Addition offibers to concrete makes it a homogeneous and isotropic material. Latest developments in concrete technology now include reinforcement in the form of fibers, notably polymeric fibers, as well as steel or glass. Flexural behaviour of reinforced concrete beams with.
Pdf polypropylene fiber reinforced concrete researchgate. More recently, new breeds of structural synthetic equivalents are proving their usefulness. It displays good heatinsulating properties and is highly resistant to acids, alkalies, and organic solvents. Fibrereinforced plastic frp also called fiberreinforced polymer, or fiberreinforced plastic is a composite material made of a polymer matrix reinforced with fibres. Concrete reinforced with fibres which are usually steel, glass or plastic.
A comparative evaluation of plain, polypropylene fiber. An experimental program was carried out to explore its effects on compressive, tensile, flexural strength under different curing condition. Use of polypropylene fiber reinforced concrete as a. 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. The capability of durable structure to resist weathering action, chemical attack, abrasion and other degradation processes during its service life with the minimal maintenance is equally important as the capacity of a structure to resist the loads applied on it. Pdf performance of polypropylene fibre reinforced concrete.
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