Fibers used are steel fibers, synthetic fibers, glass fibers, natural fibers, asbestos fibers and carbon fibers. Fiber effects on concrete properties were assessed. Mar 23, 2020 the existing single concrete composite material mainly consists of sand, cement and water reducer, thus having poor anti. The aim of the study was to achieve maximum strength of concrete by using optimum weight of polypropylene fibers. Fiber reinforced concrete possesses high flexural and tensile strength, improved ductility, and high energy absorption over the conventional concrete in sustaining dynamic loads. In recent years, many studies have been conducted in.
Concrete, polypropylene fibers, compressive strength, split tensile strength. This paper describes the strength of polypropylene fiber reinforced concrete pfrc exposed to the elevated temperatures. Pdf performance of polypropylene fibre reinforced concrete. Although, the inclusion of single type fibre may improve mechanical properties of concrete, the hybridization can compensate the disadva. The objective of the study is to use recycled aggregates obtained from polypropylene fiber.
Properties and applications offiber reinforced concrete faisal fouad wafa associate professor, civil engineering department, faculty ofengineering, king abdulaziz university, jeddah, saudi arabia. Associate profosser, civil engineering department, faculty of. To use these fibers, concrete mix design does not have to be altered, and no special equipment or slump modifications are required, even for pumping or shotcreting. 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. The character of fiberreinforced concrete changes with varying concretes fiber materials, geometries, distribution, orientation, and densities. Two kinds of fiber that very often used in the concrete are. Loaddeflection characteristics of steel, polypropylene. Final concrete performance the effects of polypropylene fiber reinforced concrete in its plastic state lead to additional advantages in its hardened state. Adopting the results compressive strength presented by 3 for polypropylene fibre reinforced concrete under different dosage of polypropylene fibre, 10. In comparison with reference specimens nb and nc that. By the 1960s, steel, glass, and synthetic such as polypropylene fibers were used in concrete. Fiber reinforced concrete was successfully used in variety of engineering applications, because of its satisfactory and outstanding performance in the industry and construction field. Principal research scientist introduction new construction and rehabilitation of existing structures require highperformance.
Fiber reinforced concrete frc is a new structural material which is gaining increasing importance. Concrete is sufficiently strong in compression but weak in tension. A combination of high strength, stiffness and thermal resistance favorably characterizes the fiibers. What is the scope of polypropylene fiber reinforced concrete. Our concrete fiber is not affected by concretes alkali environment and will not suffer late age strength loss embrittlement. Concrete pipes reinforced with polypropylene synthetic macrofibers results from a fiveyear research program steel fiber reinforced concrete pipes are currently used as an alternative to conventional steel reinforced concrete pipes in some regions of. The silica and aluminum oxides in low calcium fly ash with react. Recycling of fiber reinforced concrete is important for the environment. These unique fibers add superior bonding properties to the concrete matrix. Fiber reinforced concrete is used to improve the performance of concrete cracking and shrinkage problems. The strength potential of nylon fiber reinforced concrete was investigated versus that of the polypropylene fiber reinforced concrete, at a fiber content of 0. An experimental research investigation of the fresh and hardened material properties of fibrillated polypropylene fiber reinforced concrete is reported. The results illustrated that glass fiber reinforced ac and pp fiber reinforced ac treatments. 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.
Concrete pipes reinforced with polypropylene synthetic. Fiber reinforced concrete has small distinct fibers that are homogeneously dispersed and oriented haphazardly. Adopting the results compressive strength presented by 3 for polypropylene fibre reinforced concrete under different dosage of polypropylene fibre, 10 models of polypropylene fibre reinforced. The three variables and their corresponding levels are given.
This study deals with the recycling of polypropylene fiber reinforced concrete. Ram meghe institute of technology and research,badnera, amravati, india abstract. For fiber reinforced concrete to be a viable construction material, it must be able to compete economically with existing reinforcing system. Polypropylene fiber reinforced concrete much work has gone into researching the properties of synthetic fiber reinforced concrete over the past decade, in particular polypropylene fiber reinforced concrete, as the addition of fibers can provide effective, inexpensive reinforcement for concrete. In a previous comparative study 29, different types of fibers including polypropylene, polyester, nylon and glass were used to reinforce asphalt concrete mixture. It holds short discrete fibers that are uniformly distributed and circumstances oriented. What are the disadvantages of fiber reinforced concrete. 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. Macrofibers are specifically engineered for use as shrinkage and. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers.
This thesis explores the effect of using steel fiber and polypropylene fiber for reinforcing the concrete to quantify the mechanical properties of concrete matrix. The aim of this paper is to compare the properties of concrete beams in which three types of fibers are added individually. Concrete is a composite material consisting of cement, water and aggregates. Fiber reinforced concrete frc is defined as a composite material consisting of concrete reinforced with discrete randomly but uniformly dispersed short length fibers. A comprehensive study of the polypropylene fiber reinforced fly. Properties and applications offiber reinforced concrete. Properties of polypropylene fiber reinforced concrete using. Properties of polypropylene fiber reinforced concrete using recycled aggregates. The paper presents research work of experimental investigation on polypropylene fiber reinforced concrete by replacing river sand to artificial sand with and without admixture.
The ones marked may be different from the article in the profile. Other types of fibers used for concrete reinforcement include carbon fibers, organic or natural fibers, asbestos fibers and polypropylene fibers. Concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, and discontinuous discrete fibers is called fiberreinforced. Fiber reinforced concrete is used in a variety of engineering applications because. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Since ancient time, fibre reinforced concrete has been replaced with plain concrete which is brittle material.
The strength potential of nylonfiberreinforced concrete was investigated versus that of the polypropylenefiberreinforced concrete, at a fiber content of 0. Since a large portion of the volume of concrete is composed of aggregates, first the. Find, read and cite all the research you need on researchgate. Properties of polypropylene fiber reinforced geopolymer. For this purpose, 45 specimens of fiber reinforced concrete which contains different fibers dosage were casted. Concrete pipes reinforced with polypropylene synthetic macrofibers results from a fiveyear research program steel fiber reinforced concrete pipes are currently used as an alternative to conventional steel reinforced concrete pipes in some regions of the world, such as europe and australia. Statistical methods of experimental design and analysis. Tensilebehaviour of polypropylene fibre reinforcedconcrete pfrc of m15.
Recently, however the development of polypropylene fiber reinforced concrete pfrc has provided a technical basis for improving these deficiencies. Furthermore it can be seen that recycled aggregates has lower effect on compressive strengths of fiber reinforced concrete series than on the samples with no fiber, according to experimental results. The existing single concrete composite material mainly consists of sand, cement and water reducer, thus having poor anti. Fiberreinforced concrete frc seminar and ppt with pdf report. High performance polypropylene fiberreinforced concrete in panelbeam tests ceylan, semih m. 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. Fiberreinforced concrete frc is concrete containing fibrous material which. The paper deals with the effects of addition of various proportions of polypropylene fibers on the. Polypropylene is an economical material that offers a. Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity. Fiber reinforced concrete synthetic fiber reinforcemet. Concrete is widely used as construction material worldwide.
Bending toughness of hybrid fiber reinforced concrete, with the substrate intensity c30, the quantity of the volume for the steel fiber dosage 01. Strength properties of nylon and polypropylenefiber. In this study, the results of the strength properties of polypropylene fiber reinforced concrete have been presented. In the study, control specimens without any fibers and the concrete specimens with the ratios of 0. Fiber reinforced concrete is a type of concrete that includes fibrous substances that increase its structural strength and cohesion. Atashafrazeh challenge journal publications tulpar. 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. Different combinations were generated using the recycled concrete aggregates and polypropylene fiber. Preparation and performance analysis of polypropylene fiber. Sumit thakur civil fiberreinforced concrete frc seminar and ppt with pdf report. Applications of fiber reinforced concrete in pavements there are various applications of fiber reinforced concrete and one of them is in the construction of concrete pavements. Pdf experimental study of polypropylene fiberreinforced. This type of concrete is known as fibre reinforced concrete.
The fiber reinforced concrete is destroyed in the moment when the fiber slides out of the matrix or breaks in second case the load is redistributed to the other fibers 66. Fiber reinforced concrete are of different types and properties with many advantages. As soon as some tension is developed, it will lose its stiffness. The character of fiber reinforced concrete changes with varying concretes fiber materials, geometries, distribution, orientation, and densities. This cited by count includes citations to the following articles in scholar. He is a member of aci committees 363, highstrength concrete.
Hybrid reinforcement of asphaltconcrete mixtures using. Preparation and performance analysis of polypropylene. Influence of polypropylene fiber on strength of concrete american. Pdf polypropylene fiber reinforced fly ash concrete a. Behavior of steelpolypropylene hybrid fiber reinforced concrete. Fiberreinforced concrete seminar ppt with pdf report.
Ac mixtures by using polypropylene and glass fibers. Polypropylene fibers are manufactured in small bundles. In this study, recycling of rubble obtained during urban transformation and manufacturing new concrete using this material was experimentally studied. Thus, the method of damage of the fiber reinforced concrete mostly depends on the strength of the materials and the adhesion of the fibers to the matrix. Synthetic macrofibers, are manufactured from a proprietary blend of polypropylene resins, in compliance with astm c 1116c 1116m. The implications of these qualities in concrete with polypropylene fiber additions are that cement hydration will be improved, separation of aggregate will be reduced and the flow of water through concrete that causes deterioration from freeze thaw action and rebar corrosion will be reduced, creating an environment in which enhanced durability. Three variables were considered, each at two levels, to assess their effects on plastic shrinkage cracking of concrete. Plastic shrinkage cracking of polypropylene fiberreinforced. Study of strength of polypropylene fiber reinforced concrete. Various type of fiber is used such as glass, carbon, steel, asbestos, polyester and polypropylene. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. 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.
Behavior of steelpolypropylene hybrid fiber reinforced. In contrast, barchips high quality polypropylene macro synthetic fiber reinforced concrete will not suffer the effects of corrosion and will maintain performance regardless of exposure conditions. The result is crack control and an extended service life of the concrete. Polypropylene fiber reinforced concrete cannot be used as a substitute for structural steel reinforcement. 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 fiber is a light weight synthetic fiber. The objective of the study is to use recycled aggregates obtained from polypropylene fiberreinforced concrete in new concrete applications. Loaddeflection characteristics of steel, polypropylene and. Using polypropylene fibers in concrete to achieve maximum strength. The interest in the use of fibers for the reinforcement of composites has increased during the last several years. 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.
Influence of polypropylene fiber on strength of concrete. Research into new fiberreinforced concretes continues today. The mechanical properties of polypropylene fiber reinforced. Investigation of properties of highperformance fiber. Use of fiber reinforce polymer in civil engineering increase rapidly. This article describes various types of reinforced concrete cement like glass fiber reinforced concrete gfrc, steel fiber reinforced concrete sfrc engineered cementitious composite ecc. Fiber reinforced concrete is used in a variety of engineering applications because of its satisfactory and outstanding performance in the industry. Fatigue strength of fibrillated polypropylene fiber reinforced concretes m. Research into new fiber reinforced concretes continues today. Fiber reinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Polypropylene fiber reinforced concrete much work has gone into researching the properties of synthetic fiberreinforced concrete over the past decade, in particular polypropylene fiber reinforced concrete, as the addition of fibers can provide effective, inexpensive reinforcement for concrete. Lutfullah turanli may 2014, 61 pages comparison of concrete mixtures containing steel.
Properties of polypropylene fiber reinforced concrete. Pdf plastic shrinkage cracking test have been performed on polypropylene fiber reinforced concrete to evaluate the effectiveness of the fibers in. Fatigue strength of fibrillated polypropylene fiber. Performance of polypropylene fibre reinforced concrete milind v. Moreover, the polypropylene mesh fiber is better than the polypropylene monofilament fiber in improving flexural strength and toughness of concrete, but the two types of polypropylene fibers are inferior to steel fiber. Pdf experimental investigation on polypropylene fiber. The compressive and splitting tensile strengths and modulus of rupture mor of the nylon fiber concrete improved by 6.
Mohod1 1 assistant professor, department of civil engineering,prof. Applications of fiber reinforced concrete in pavements. This may be due to the fact that the polypropylene fiber will effectively hold the micro cracks in concrete mass. Article characteristics of recycled polypropylene fibers. In this study, polypropylene fiber reinforced concrete composite is prepared by adding polypropylene fiber into composite material. The use of fiber reinforced concrete has increased in building structures to improve the. Very early strength, toughness, permeability, and fiber distribution evelina khakimova, eit graduate research assistant celik ozyildirim, ph. Concrete reinforced with polypropylene fibers concrete. All the polypropylene and steel fibers have no great beneficial effect on the abrasionerosion resistance of concrete. Pdf using polypropylene fibers in concrete to achieve. In these dissertations an attempt will be made to view the behavior of concrete mixed fibre with polymer fibre reinforced concrete in comparison with plain concrete.
Plastic shrinkage cracking of polypropylene fiberreinforced concrete was investigated experimentally. Besides, the use of fiber in concrete is getting more and more widespread. This page contains fiberreinforced concrete frc seminar and ppt with pdf report. Cement packing bags pieces of 1 to 2 cm of length is used 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. The materials used for polypropylene fiber reinforced concrete are as follows. Pdf the paper deals with the effects of addition of various proportions of polypropylene fibers on the properties of high strength concrete.
In particular, polypropylene fibers ppf are widely used in structural concrete to. Effective control joints and proper curing is essential for all concrete slabs 2. The presence of fibers also results in a more homogeneous, isotropic, and ductile behavior of concrete 17. Hybrid reinforcement of asphaltconcrete mixtures using glass. Recently, however the development of polypropylene fiberreinforced concrete pfrc has provided a technical basis for improving these deficiencies.
Fiber reinforced concrete types, properties and advantages. Recycling of polypropylene fiber reinforced concrete. Fibers are usually used in concrete to control cracking due to plastic shrinkage and to drying shrinkage. Performance of polypropylene fibre reinforced concrete. Pdf polypropylene fiber reinforced concrete researchgate.
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