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properties of fiber reinforced concrete

Both untreated (UHFRC) and treated (THFRC) hemp fiber-reinforced concrete were tested containing 15-mm length fiber, at a volume fraction of 1%. A combination of high strength, stiffness and thermal resistance favorably characterizes the fiibers. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers (synthetic fibers). Fiber-reinforced concrete or fibre-reinforced concrete (FRC) is concrete containing fibrous material which increases its structural integrity. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. UHPC is characterized by being a steel fibre-reinforced cement composite material with compressive strengths in excess of 150 MPa, up to and possibly exceeding 250 MPa. The matrixs elasticity must be less than that of the fiber to efficiently transfer stress. The addition of 0.1% by volume of fibers is found effective in reducing the extent of cracking by a factor of 5-10. 577-591, 10.1016/j.conbuildmat.2019.03.086. A materials property is an intensive property of a material, i.e., a physical property that does not depend on the amount of the material. Reinforced concrete (RC), also called reinforced cement concrete (RCC) and ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. Factors Affecting Properties of Fiber Reinforced Concrete Fiber reinforced concrete is the composite material containing fibers in the cement matrix in an orderly manner or randomly distributed manner. Fiber content ranges from zero to 1.5 percent by volume, and the concrete matrix compressive strength is about 94.0 MPa (13,500 psi). Predicting Compression Strength of Reinforced Concrete Columns Confined by FRP Using Meta-Heuristic Methods View Article; PDF 1.55 MB; A Laboratory Study on the Potentiodynamic Polarization and Transport Properties of Binary Concrete with Silica Fume and Zeolite. Similar to other reinforced concrete, it improves the tensile strength of concrete. An alternative technique to improve the tensile properties of concrete consists on the addition of fibres randomly distributed in the concrete mix that is called fibre reinforced concrete (FRC). The strength of 0.75% fiber reinforced concrete is 6.27 MPa whereas that of conventional concrete is 5.13 MPa. Fiber mesh reduces shrinkage and cracking of concrete. Guide for specifying, proportioning, mixing, placing, and finishing steel fiber reinforced concrete. It can be seen from Figure 8 (a) that, for the traditional mixing method, the compressive strength of steel fiber-reinforced concrete CF50 increases as the steel fiber content increases. Carbon fibers have several advantages: high stiffness, high tensile strength, high strength to weight ratio, high chemical resistance, high-temperature tolerance, and low thermal expansion. An FRP composite is defined as a polymer that is reinforced with a fibre. Thermo Mechanically Treated Bars are hot treated bars that are high in strength used in reinforced cement concrete (RCC) work. The environmental impact of concrete, its manufacture and applications, are complex, driven in part by direct impacts of construction and infrastructure, as well as by CO 2 emissions; between 4-8% of total global CO 2 emissions come from concrete. The properties of the final CFRP product can be affected by the type of additives introduced to the binding matrix (resin). Predicting Compression Strength of Reinforced Concrete Columns Confined by FRP Using Meta-Heuristic Methods View Article; PDF 1.55 MB; A Laboratory Study on the Potentiodynamic Polarization and Transport Properties of Binary Concrete with Silica Fume and Zeolite. Fiber-reinforced concrete (FRC) is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Fiber mesh reduces shrinkage and cracking of concrete. Compressive Strength. Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels for tilt up construction. work on static CFRC properties is the test done on concrete reinforced with coir fibre of length 4 cm. IDM Members' meetings for 2022 will be held from 12h45 to 14h30.A zoom link or venue to be sent out before the time.. Wednesday 16 February; Wednesday 11 May; Wednesday 10 August; Wednesday 09 November Like graphite-reinforced plastic, the composite material is commonly referred to as fiberglass.The glass can be in the form of a chopped strand mat (CSM) or a woven fabric. Constr Build Mater, 209 (2019), pp. Ultra-high-performance concrete is a new type of concrete that is being developed by agencies concerned with infrastructure protection. Glass-reinforced plastic (GRP) is a composite material or fiber-reinforced plastic made of a plastic reinforced by fine glass fibers. Its properties would obviously, depends upon the efficient transfer of stress between matrix and the fibers. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.. A property may be a constant or may be a function of one or more independent Glass fibers are used are used as reinforcement for concrete. Ready-mix concrete (RMC) is concrete that is manufactured in a batch plant, according to each specific job requirement, then delivered to the job site "ready to use".. Glass fibers were first used to Mechanical properties and durability of fiber reinforced concrete. Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber.The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth.The plastic matrix may be a thermoset polymer matrixmost often based on thermosetting polymers such as epoxy, polyester resin, The compressive strength, splitting tensile Ultra-high-performance concrete. The usual method of rectifying this disadvantage is to incorporate some kind of reinforcement, which enables concrete slabs to be used for a broad range of spans and loading conditions. Glass-reinforced plastic (GRP) is a composite material or fiber-reinforced plastic made of a plastic reinforced by fine glass fibers. A materials property is an intensive property of a material, i.e., a physical property that does not depend on the amount of the material. Other forms of structural concrete such as ferrocement, fiber-reinforced concrete, or hybrid composites must be used (Balaguru and Shah 1992, Bentur and Mindess 1990, Naaman 2000). Glass fiber reinforced concrete is a material consisting of numerous extremely fine fibers of glass. Concrete has numerous applications in building construction, but its use for horizontal slabs is limited by its relatively high density which reduces the maximum span. FRP represents a class of materials that falls into a category referred to as composite materials. There are two types with the first being the barrel truck or intransit mixers.This type of truck delivers concrete in a plastic state to the site. The biggest advantage is a more environmentally friendly glass fiber. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers (synthetic fibers). From slabs-on-ground to underground structures, the use of FRC has been expanding in concrete construction. Polypropylene fiber displays good heat-insulating properties and is highly resistant to acids, alkalies, and organic solvents. Fiber or fibre (from Latin: fibra) is a natural or artificial substance that is significantly longer than it is wide. Uses of Fiber Reinforcement concrete are as follows. Effects of steel fiber length and coarse aggregate maximum size on mechanical properties of steel fiber reinforced concrete. Polypropylene fiber displays good heat-insulating properties and is highly resistant to acids, alkalies, and organic solvents. A structural insulated panel, or structural insulating panel, (SIP), is a form of sandwich panel used in the construction industry.. SIP is a sandwich structured composite, consisting of an insulating layer of rigid core sandwiched between two layers of structural board, used as a building material.The board can be sheet metal, plywood, cement, magnesium oxide board (MgO) or Fiber Content-Fiber content varies but is typically between 3% to 7% of the overall cementitious weight. Effects of two kinds of microsteel fibers were employed in reinforced concrete (RC) with different fiber volumes fraction. Date: 9/1/1992. Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels for tilt up construction. It shows better properties than E-Type glass fiber. Fibers are often used in the manufacture of other materials. Besides corrosion resistance, fibers can improve other properties of concrete including Thermal properties of Kevlar fiber-reinforced composites (KFRCs) are enhanced by hybridizing it with glass or carbon fibers, though there is less research on the hybridization of Kevlar fibers (KFs) with natural fibers. Fiber reinforced concrete is a composite material made of cement-based matrix mixed with metallic or non- metallic fibers, sometimes, admixtures, additives and polymers are added. At the fiber content of 0.5%, 1%, 1.5%, and 2%, the concrete compressive strength increases by 7.05%, 13.79%, 18.17%, and 20.85%. A major component is cement, which has its own environmental and social impacts and The mechanical property test is Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers (synthetic fibers). Reinforced concrete and masonry; Composite wood such as plywood; Reinforced plastics, such as fibre-reinforced polymer or fiberglass; A change in the angle between the applied stress and fiber orientation will affect the mechanical properties of fiber-reinforced composites, especially the tensile strength. Pervious concrete (also called porous concrete, Properties. Structural Concrete is calling for submissions of papers presenting, introducing, and summarizing numerical methods, frameworks, examples and case studies on different types of cracked concrete structures would be helpful for designers, engineers, and scientists in the field. Basalt fiber is a material made from extremely fine fibers of basalt, which is composed of the minerals plagioclase, pyroxene, and olivine.It is similar to fiberglass, having better physicomechanical properties than fiberglass, but being significantly cheaper than carbon fiber.It is used as a fireproof textile in the aerospace and automotive industries and can also be used Reduces the chance of spalling since the fiber inside melts and allows the water content in concrete to escape. Carbon-fibre reinforced polymers offer good potential for the manufacture of conrods. Fiber reinforced concrete are of different types and properties with many advantages. Like graphite-reinforced plastic, the composite material is commonly referred to as fiberglass.The glass can be in the form of a chopped strand mat (CSM) or a woven fabric. Fiber-reinforced concrete (FRC) is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Synthetic fibers can often be produced very cheaply and in large amounts The strongest engineering materials often incorporate fibers, for example carbon fiber and ultra-high-molecular-weight polyethylene.. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.. A property may be a constant or may be a function of one or more independent The thin outer layer is extra-hard aggregate-reinforced UHPC; beneath this is a thick layer of hybrid fiber-reinforced UHPC optimized to resist cracking. The addition of a small amount of sand will increase the strength. Waffle slabs are preferred for spans greater than 40 feet (12 m), as they are much stronger than flat slabs, flat slabs with drop panels, two-way slabs, one-way As with many other composite materials (such as reinforced concrete), the Abstract: A total of 504 concrete specimens are tested to study the effect of including hooked-end steel fiber reinforcement on the mechanical properties of high-strength fiber reinforced concrete. It has a good waterproofing ratio, high mechanical strength, electrical acidic and alkali corrosion resistance. Fiber reinforced composites can be classified into four groups according to their matrices: metal matrix composites (MMCs), ceramic matrix composites (CMCs), carbon/carbon composites (C/C), and polymer matrix composites (PMCs) or polymeric composites (Fig. It is easy to include fibers in the concrete mix design. Fiber reinforced concrete properties The following factors influence the properties of fiber-reinforced concrete: Relative Fiber Matrix Stiffness. Ultra-high-performance concrete. With regard to dynamic properties of CFRC, no study has been An alternative technique to improve the tensile properties of concrete consists on the addition of fibres randomly distributed in the concrete mix that is called fibre reinforced concrete (FRC). Other forms of structural concrete such as ferrocement, fiber-reinforced concrete, or hybrid composites must be used (Balaguru and Shah 1992, Bentur and Mindess 1990, Naaman 2000). An FRP composite is defined as a polymer that is reinforced with a fibre. Pervious concrete (also called porous concrete, Properties. Guide for specifying, proportioning, mixing, placing, and finishing steel fiber reinforced concrete. The addition of a small amount of sand will increase the strength. Fiber or fibre (from Latin: fibra) is a natural or artificial substance that is significantly longer than it is wide. The second is the volumetric concrete mixer. Polypropylene fibers reduce the plastic shrinkage crack area due to their flexibility and ability to conform to form. Properties of Glass fiber reinforced concrete: Sustainability: GFRC panel manufacturing produces less waste than precast panel and uses less natural resources. Thermal properties of Kevlar fiber-reinforced composites (KFRCs) are enhanced by hybridizing it with glass or carbon fibers, though there is less research on the hybridization of Kevlar fibers (KFs) with natural fibers. Synthetic fibers can often be produced very cheaply and in large amounts Similar to other reinforced concrete, it improves the tensile strength of concrete. With regard to dynamic properties of CFRC, no study has been Fiber-reinforced concrete is applied on the refractory lining, overlays of the airfield, road explosive resistant structures, etc. Fiber reinforced concrete are of different types and properties with many advantages. Many depend on circumstances. The mechanical properties and microstructure of ordinary concrete and basalt fiber reinforced concrete were studied. The name waffle comes from the grid pattern created by the reinforcing ribs. Continuous meshes, woven fabrics, and long wires or rods are not considered to be discrete fibers. Fiber-reinforced concrete (FRC) is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. The primary function of fibre reinforcement is to carry load along the length of the fiber and to provide strength and stiffness in one direction. Advantages of Synthetic Fiber Reinforced Concrete. Pages 19-29. The effect of strain rate on the flexural behavior of unreinforced matrix and three different fiber reinforced concrete (FRC) mixes are discussed. These materials have relatively high The name waffle comes from the grid pattern created by the reinforcing ribs. Effect of Asbestos on Concrete's properties 1. Fibers are often used in the manufacture of other materials. Pages 19-29. Higher fiber content increases strength but decreases workability. 577-591, 10.1016/j.conbuildmat.2019.03.086. Constr Build Mater, 209 (2019), pp. Structural Concrete is calling for submissions of papers presenting, introducing, and summarizing numerical methods, frameworks, examples and case studies on different types of cracked concrete structures would be helpful for designers, engineers, and scientists in the field. Fiber Content-Fiber content varies but is typically between 3% to 7% of the overall cementitious weight. Glass Fiber Reinforced Concrete. The RC beam was partially reinforced by microsteel fiber reinforced concrete (MSFRC) based on the idea of gradient design. In contrast, cast-in-place concrete is poured into site-specific forms and cured on site. It is the latest induction in the MS steel bars with superior properties such as strength, ductility, welding ability, bending ability and highest quality standards at international level. It has a good waterproofing ratio, high mechanical strength, electrical acidic and alkali corrosion resistance. bcm6750 vs bcm4908 maximum volume of a box formula politica argentina siglo xix Reduces the chance of spalling since the fiber inside melts and allows the water content in concrete to escape. In contrast, cast-in-place concrete is poured into site-specific forms and cured on site. 7. The applicability of the following tests to fiber reinforced concrete (FRC) are reviewed: air content, yield, until weight, compressive strength, splitting tensile strength, freeze-thaw resistance, shrinkage, creep, modulus of elasticity, cavitation, erosion, and abrasion resistance. Since fabrication is completed within the factory, much less job-site waste is produced. The Numerical Simulation of Cracked Concrete Structures will be focused but not limited to: IDM Members' meetings for 2022 will be held from 12h45 to 14h30.A zoom link or venue to be sent out before the time.. Wednesday 16 February; Wednesday 11 May; Wednesday 10 August; Wednesday 09 November The usefulness of fiber reinforced concrete (FRC) in various civil engineering applications is indisputable. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. Theory. Effects of steel fiber length and coarse aggregate maximum size on mechanical properties of steel fiber reinforced concrete. The strongest engineering materials often incorporate fibers, for example carbon fiber and ultra-high-molecular-weight polyethylene.. The toughness and crack resistance performance of basalt fiber reinforced concrete were evaluated by the fracture energy, advanced toughness parameters, and characteristic length proposed by Hillerborg. Fiber-reinforced concrete (FRC) is concrete that has fibrous materials mixed in to increase the concretes durability and structural integrity. Synthetic Fiber Reinforced Concrete Fiber are more durable than most natural fibers and will readily pick-up different dyes. The usual method of rectifying this disadvantage is to incorporate some kind of reinforcement, which enables concrete slabs to be used for a broad range of spans and loading conditions. Waffle slabs are preferred for spans greater than 40 feet (12 m), as they are much stronger than flat slabs, flat slabs with drop panels, two-way slabs, one-way Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber.The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth.The plastic matrix may be a thermoset polymer matrixmost often based on thermosetting polymers such as epoxy, polyester resin, Carbon-fibre reinforced polymers offer good potential for the manufacture of conrods. Pervious concrete consists of cement, coarse aggregate (size should be 9.5 mm to 12.5 mm) and water with little to no fine aggregates. This study involved enhancing the mechanical properties of hemp fiber-reinforced concrete through the Ca (OH) 2 solution pretreatment of fibers. UHPC is characterized by being a steel fibre-reinforced cement composite material with compressive strengths in excess of 150 MPa, up to and possibly exceeding 250 MPa. It contains short discrete fibers that are uniformly distributed and randomly oriented. Ready-mix concrete (RMC) is concrete that is manufactured in a batch plant, according to each specific job requirement, then delivered to the job site "ready to use".. Theory. In this study, the results of the Strength properties of Polypropylene fiber reinforced concrete have been presented. Figure 11.4 shows a compound conrod made of such material. Functional: GFRC cladding is sturdy and low maintenance. These materials have relatively high Results show that microsteel fiber highly strengthened and By reducing or replacing traditional meshes and steel reinforcement, labor costs will be reduced and construction schedules can be accelerated. work on static CFRC properties is the test done on concrete reinforced with coir fibre of length 4 cm. Glass Fiber Reinforced Concrete. ; While using Glass fiber, it is used for door frames and doors, pressure piles, park benches, permanent and temporary formwork, and also bus shelters. Reinforced concrete and masonry; Composite wood such as plywood; Reinforced plastics, such as fibre-reinforced polymer or fiberglass; A change in the angle between the applied stress and fiber orientation will affect the mechanical properties of fiber-reinforced composites, especially the tensile strength. In the past, the salt freezing test does not often accord with the actual service environment of engineering, thus, we designed a test method of single-side salt-freezingdryingwetting cycles. The biggest advantage is a more environmentally friendly glass fiber. solution is fiber reinforced concrete. Higher fiber content increases strength but decreases workability. The extent of crack reduction is proportional to the fiber content in the concrete. Some studies have shown that fibers can reduce crack widths within a concrete sample, which is an integral part in the deterioration of concrete because cracks allow corrosive materials to reach the rebar. The desired result of adding fibres to any concrete mix is to enhance its mechanical- and shrinkage properties. These materials are additionally reinforced by 520 micron dispersed ceramic nanoparticles, such as Si 3 N 4, Al 2 o 3 and B 4 C which may make up between 5 and 30% of the material volume. Not only will benefits in fresh and hardened properties be seen, secondary benefits will be made as well. The factors are briefly discussed below: 1. ; It is used for the fabrication of precast products A waffle slab or two-way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside. Flexural performances were specially investigated. Functional: GFRC cladding is sturdy and low maintenance. The reinforcement is usually, though not necessarily, steel bars and is usually embedded passively Adding small, uniformly dispersed fibers arrests the cracking factor in concrete. Fiber-reinforced concrete (FRC) has become a viable choice for many designers and builders for the unique properties and advantages it provides. 3.10).Matrix, which has the primary role of holding the reinforcement together, is considered also as resin It contains short discrete fibers that are uniformly distributed and randomly oriented. It shows better properties than E-Type glass fiber. Not only will benefits in fresh and hardened properties be seen, secondary benefits will be made as well. 7. Reading time: 1 minute Glass fiber reinforced concrete (GFRC) comprises hydration products of cement, or cement plus sand, and the glass fibers. FRC mixes are more rate-sensitive than their respective unreinforced matrices, showing increases in dynamic strength (strain rate of 0. Reinforced concrete (RC), also called reinforced cement concrete (RCC) and ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. Unlike most concrete mix design ingredients, fibers in GFRC are not calculated as a The properties of the final CFRP product can be affected by the type of additives introduced to the binding matrix (resin). Also, many synthetic fibers offer consumer-friendly functions such as stretching, waterproofing and stain resistance. Glass fibers are used are used as reinforcement for concrete. 3.10).Matrix, which has the primary role of holding the reinforcement together, is considered also as resin A structural insulated panel, or structural insulating panel, (SIP), is a form of sandwich panel used in the construction industry.. SIP is a sandwich structured composite, consisting of an insulating layer of rigid core sandwiched between two layers of structural board, used as a building material.The board can be sheet metal, plywood, cement, magnesium oxide board (MgO) or Since fabrication is completed within the factory, much less job-site waste is produced. Unlike most concrete mix design ingredients, fibers in GFRC are not calculated as a FRC has small, short, and discreet fibers that are randomly oriented yet uniformly distributed throughout the concrete. It is easy to include fibers in the concrete mix design. The Numerical Simulation of Cracked Concrete Structures will be focused but not limited to: The thin outer layer is extra-hard aggregate-reinforced UHPC; beneath this is a thick layer of hybrid fiber-reinforced UHPC optimized to resist cracking. By reducing or replacing traditional meshes and steel reinforcement, labor costs will be reduced and construction schedules can be accelerated. Carbon fibers or carbon fibres (alternatively CF, graphite fiber or graphite fibre) are fibers about 5 to 10 micrometers (0.000200.00039 in) in diameter and composed mostly of carbon atoms. Carbon fibers have several advantages: high stiffness, high tensile strength, high strength to weight ratio, high chemical resistance, high-temperature tolerance, and low thermal expansion. Properties of Glass fiber reinforced concrete: Sustainability: GFRC panel manufacturing produces less waste than precast panel and uses less natural resources. Dow is a materials science leader committed to delivering innovative and sustainable solutions for customers in packaging, infrastructure and consumer care. Dow is a materials science leader committed to delivering innovative and sustainable solutions for customers in packaging, infrastructure and consumer care. It is the latest induction in the MS steel bars with superior properties such as strength, ductility, welding ability, bending ability and highest quality standards at international level. The environmental impact of concrete, its manufacture and applications, are complex, driven in part by direct impacts of construction and infrastructure, as well as by CO 2 emissions; between 4-8% of total global CO 2 emissions come from concrete. Reading time: 1 minute Glass fiber reinforced concrete (GFRC) comprises hydration products of cement, or cement plus sand, and the glass fibers. Thermo Mechanically Treated Bars are hot treated bars that are high in strength used in reinforced cement concrete (RCC) work. Glass fibers were first used to ASBESTOS FIBRES 1.3.6 CARBON FIBER REINFORCED CONCRETE Graphical represntation of Tensile Strength of fibre reinforced concrete As with many other composite materials (such as reinforced concrete), the Ultra-high-performance concrete is a new type of concrete that is being developed by agencies concerned with infrastructure protection. A major component is cement, which has its own environmental and social impacts and Fiber is a small piece of reinforcing material possessing certain characteristics properties. Concrete has numerous applications in building construction, but its use for horizontal slabs is limited by its relatively high density which reduces the maximum span. Continuous meshes, woven fabrics, and long wires or rods are not considered to be discrete fibers. The interest in the use of fibers for the reinforcement of composites has increased during the last several years. These materials are additionally reinforced by 520 micron dispersed ceramic nanoparticles, such as Si 3 N 4, Al 2 o 3 and B 4 C which may make up between 5 and 30% of the material volume. A waffle slab or two-way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside. Glass fiber reinforced concrete is a material consisting of numerous extremely fine fibers of glass. Carbon fibers or carbon fibres (alternatively CF, graphite fiber or graphite fibre) are fibers about 5 to 10 micrometers (0.000200.00039 in) in diameter and composed mostly of carbon atoms. A concrete plant, also known as a batch plant or batching plant or a concrete batching plant, is equipment that combines various ingredients to form concrete.Some of these inputs include water, air, admixtures, sand, aggregate (rocks, gravel, etc. The reinforcement is usually, though not necessarily, steel bars and is usually embedded passively There are two types with the first being the barrel truck or intransit mixers.This type of truck delivers concrete in a plastic state to the site.

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properties of fiber reinforced concrete