Polypropylene fiber ppf have been extensively used as a. With cooling tests on polypropylene fiber reinforced concrete and plain concrete that were initially subjected to different heating temperatures, the change of mechanical properties including mass loss, uniaxial compressive strength and microstructure were analyzed. The change in the percentage of polypropylene fiber had increment in compressive, flexural and split tensile. Performance of polypropylene fibre reinforced concrete. The compressive strength, permeability and electric. Furthermore, shrinkage cracking is reduced by 83 to 85% by addition of fibers in the range of. In recent years, many studies have been conducted in. Utilizing polypropylene fibers to improve physical and mechanical. About 50% of these are synthetic fiber, 2% are other fiber. Performance of polypropylene fibre reinforced concrete doi. The evaporation of concrete surface water is a factor in creating the contract paste fracture in concrete which leads to the formation of tension stress since the concrete starts to strengthen 3. In order to improve these properties of plain concrete, an attempt has been made to study the effect of addition polypropylene fiber in ordinary portland cement. The fiber dispersion into concrete is one of the technique to improve the building properties of concrete.
Recently, however the development of polypropylene fiber reinforced concrete pfrc has provided a technical basis for improving these deficiencies. In this research, the effect of polypropylene fiber on oil well smart cement mix is investigated. In hardened concrete, polypropylene fibers act as crack arresters. Polypropylene short fibers in small volume fractions between 0. Polypropylene fiber in concrete mix design is used for multiple purposes that includes rigid pavement, selfcompacting concrete and other applications. The objective of this research is to produce polypropylene fibers with improved interface bonding with a concrete matrix. This paper presents an overview of the effect of polypropylene pp fibers on various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural.
The influence of polypropylene fibers has been studied in different. Fiber reinforced concrete frc is a new structural material which is gaining increasing importance. Properties and applications offiber reinforced concrete. Also, unlike polypropylene fiber, ultrafiber 500 is derived from renewable resources. The three variables and their corresponding levels are given. Because of its low specific gravity, polypropylene yields the greatest volume of fibre for a given weight.
Fiber reinforced concrete types, properties and advantages. This high yield means that polypropylene fibre provides good bulk and cover, while being lighter in weight. Polypropylene fiber ff fibrillated fiber manufacturer. A wide variety of polypropylene fiber for concrete options are available to you, such as grade, use, and pattern. It is 34% lighter than polyester and 20% lighter than nylon. Results indicate that while polypropylene fibers in general are effective in controlling plastic shrinkage cracking in concrete, a finer fiber is more effective than a coarser one, and a longer fiber is more effective than a shorter one. Fatigue strength of fibrillated polypropylene fiber reinforced concretes m. Pdf performance of polypropylene fibre reinforced concrete. The existing single concrete composite material mainly consists of sand, cement and water reducer, thus having poor anti.
Strength enhancement in split tensile strength is 22%, flexural strength is 24%and modulus of elasticity is 11% compared to that of conventional concrete. Article information, pdf download for utilizing polypropylene fibers to. Properties of polypropylene fiber reinforced concrete. Fibers are usually used in concrete to control cracking due to plastic shrinkage and to drying shrinkage. Users may download and print one copy of any publication from the public portal for. Fiber reference concrete concrete length see end of strength strength inches article 680 700 2 2 680 725 2 2 530 555 2 4 815 800 2 4 865 870 3. Polypropylene is the lightest of all fibres and is lighter than water. Further, fiber fibrillations appear to be highly effective in controlling plastic shrinkage cracking. Small addition of polypropylene fibers in concrete reduces the flow of water through the concrete matrix by preventing the transmission of water through the normal modes of ingress, e. In this study, the results of polypropylene fibers reinforced concrete properties have been presented. Polypropylene fiber ff fibrillated fiber manufacturer from. Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity. Three variables were considered, each at two levels, to assess their effects on plastic shrinkage cracking of concrete.
Pdf using polypropylene fibers in concrete to achieve. Fatigue strength of fibrillated polypropylene fiber. This slows the settlement of coarse aggregate and thus reduces the rate of bleeding. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for. Properties and applications offiber reinforced concrete faisal fouad wafa associate professor, civil engineering department, faculty ofengineering, king abdulaziz university, jeddah, saudi arabia. Keywords fiber reinforced concrete, polypropylene fiber, mechanical properties.
Study the effect of polypropylene fiber with steel slag. Pdf using polypropylene fibers in concrete to achieve maximum. Plastic shrinkage cracking of polypropylene fiber reinforced concrete was investigated experimentally. This paper presents an overview of the effect of polypropylene pp fibers on various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural strength, workability, bond strength, fracture. Polypropylene fibre concrete cannot be used as a substitute for structural steel reinforcement.
The experimental studies proved to be the best method or way in providing strong and durable concrete. The mixing time of fibrillated or tape fibers should be kept to a minimum to avoid possible shredding of the fibers. Recently, however the development of polypropylene fiberreinforced concrete pfrc has provided a technical basis for improving these deficiencies. Fiberreinforced concrete seminar ppt with pdf report. It has enhances the bonding between the coarse aggregate and cement paste. Performance of fiberreinforced concrete using beam with thirdpoint loading. Glass fiber is made up from 200400 individual filaments which are lightly bonded to make up a stand. The tensile strength of concrete is only about 10% of its compressive. The interest in the use of fibers for the reinforcement of composites has increased during the last several years. Plastic shrinkage cracking of polypropylene fiberreinforced. A slower rate of bleeding means a slower rate of drying and thus less plastic shrinkage cracking. In this study, polypropylene fiber reinforced concrete composite is prepared by adding polypropylene fiber into composite material. Fiberreinforced concrete frc seminar and ppt with pdf report.
Properties studied were slump, inverted slump cone time, air content, compressive and flexural behaviors, impact resistance, and rapid chloride permeability and volume percent of permeable voids. It is made at a temperature of approximately 2000c. Ff fibrillated fiber is a fibrillated polypropylene micro fiber for concrete reinforcement that complies with astm c 1116, standard specification for fiber reinforced concrete and shotcrete, and is specifically designed to help mitigate the formation of shrinkage cracking in concrete. Introduction the fiber dispersion into concrete is one of the technique to improve the building properties of concrete. The percentage increase in the compressive strength for the cubes with polypropylene fiber 1%, 1.
The tests conducted included determinating the compressive strength of hardened concrete at different times, bond strength, modulus of rapture, modulus of elasticity, the splitting strength, ductility and maximum strain for standard concrete specimens. Polypropylene fiber, workability, compressive strength, flexural resistance, split tensile strengths etc 1. The influence of polypropylene fibers has been studied in different proportioning and. Unlike polypropylene fiber, ultrafiber 500 is invisible in concrete, does not ball, fuzz, or blemish. Influence of polypropylene fiber on strength of concrete. Polypropylene fibers tend to hold the concrete mix together. Fibermesh 150 product data sheet fibermesh 150 synthetic fiber. Influence of polypropylene fiber geometry on plastic. Effect of polypropylene fibers on concrete compressive strength plain fiberreinf. Pdf effect of polypropylene fiber on properties of concrete. Effect of polypropylene fiber on oil well cement behavior. Macro polypropylene fiber influences on crack geometry and.
Fiber reinforced concrete frc has been used for many different construction applications and many testing protocols have been developed to. Various type of fiber is used such as glass, carbon, steel, asbestos, polyester and polypropylene. In a previous comparative study 29, different types of fibers including polypropylene, polyester, nylon and glass were used to reinforce asphalt concrete mixture. Research into new fiber reinforced concretes continues today. By the 1960s, steel, glass, and synthetic such as polypropylene fibers were used in concrete. A combination of high strength, stiffness and thermal resistance favorably characterizes the fiibers.
Polypropylene fiber ppf have been extensively used as a reinforcement. Polypropylene fibres offer many installation advantages, enabling a better job to be achieved in less time. Pdf plastic shrinkage cracking test have been performed on polypropylene fiber reinforced concrete to evaluate the effectiveness of the fibers in. Polypropylene fibers are characterized by low specific gravity and low cost.
Polypropylene fiber reinforced cementmortar and concrete. Finally, crack width in fiberreinforced concrete is calculated. Study of strength of polypropylene fiber reinforced concrete. In particular, polypropylene fibers ppf are widely used in structural concrete to. In this project polypropylene fibers of blended 24mm, 40mm, 55mm type is used. Specification clause use fibermesh 150 only 100 percent virgin polypropylene. Mechanical properties of polypropylene fiber concrete after. 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. Pdf experimental investigation on polypropylene fiber. The project deals with the effects of addition of various proportions of polypropylene fiber on the properties of concrete in fresh and hardened state. These are available in different aspect ratios and are cheap in cost. Concrete solutions datasheet polypropylene fibre concrete.
Ppf content and the corresponding compressive strength of the concrete. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. In order to study the effect of macro polypropylene fiber on crack geometry tortuosity, surface roughness and water permeability of concrete, the independently designed laser scanner was adopted to obtain the surface coordinates of the crack, the coefficients of crack tortuosity and surface roughness were introduced and the crack tortuosity and surface roughness were evaluated quantitatively. An experimental investigation explored properties such as compressive strength, flexural strength, split tensile.
An innovative method of characterizing the flexural behavior of fibrillated polypropylene fiber. Two kinds of fiber that very often used in the concrete are. Ff fibrillated fiber is a fibrillated polypropylene microfiber for concrete reinforcement that complies with astm c 1116, standard specification for fiber reinforced concrete and shotcrete, and is specifically designed to help mitigate the formation of shrinkage cracking in concrete. Use of fiber reinforce polymer in civil engineering increase rapidly. Concrete, polypropylene fibers, compressive strength, split tensile strength. Test methods for the characterization of polypropylene fiber. The compressive strength, splitting tensile strength of. Experimental evaluation of compressive and flexural strength. Pdf on apr 16, 2015, mirvat abdallah and others published polypropylene fiber reinforced concrete find, read and cite all the research you need on. In this study, the results of the strength properties of polypropylene fiber reinforced concrete have been presented. Polypropylene fibers are synthetic fibers obtained as a byproduct from textile industry. This page contains fiberreinforced concrete frc seminar and ppt with pdf report.
The implications of these qualities in concrete with polypropylene fiber additions are that cement. Hybrid reinforcement of asphaltconcrete mixtures using glass. Concrete reinforced with polypropylene fibers concrete. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Fiber effects on concrete properties were assessed. It holds short discrete fibers that are uniformly distributed and circumstances oriented. The aim of the study was to achieve maximum strength of concrete by using optimum weight of polypropylene fibers. The effects of polypropylene fibers on the properties. The paper presents research work of experimental investigation on polypropylene fiber reinforced concrete by replacing river sand to artificial sand with and without admixture.
Effective protection and curing is essential for all concrete slabs including polypropylene fibre concrete. Pdf download for utilizing polypropylene fibers to improve physical and. These properties are improved with increase of fibers length. Aci 304 guide for measuring, mixing,transporting and placing concrete. It yields an aesthetically perfect finish with no special finishing practices. Pdf polypropylene fiber reinforced concrete researchgate.
Ramakrishnan, and gary vondran this paper presents the results of an experimental investigation to determine the flexural fatigue strength of concrete reinforced with three different concentrations of fibrillated polypropylene fibers. This paper introduces a novel idea of hybrid reinforcement of ac mixtures by using polypropylene and glass fibers. The presence of fibers also results in a more homogeneous, isotropic, and ductile behavior of concrete 17. Preparation and performance analysis of polypropylene fiber. International code council icc ner414 evaluation report. The type of polypropylene fiber recommended by manufacturers for paving applications is the collated fibrillated fiber. Further, addition of fibers have reduced the drying shrinkage of concrete 4.
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