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