Glass fibre reinforced concrete pdf

Glass fibre reinforced concrete or gfrc is a type of fibrereinforced concrete. This masters thesis was carried out, between january 2011 and june 2011, at the. Steel and glass fibers addition in concrete pipes and manholes improves strength, reduces thickness, and diminishes handling damages. Fiber reinforced concrete is a type of concrete that includes fibrous substances that increase its structural strength and cohesion. This has the effect of increasing the toughness the failure mechanism is by pullout.

Due to the incorporation of glass fibres in self compacting concrete brittle characteristic can be enriched. Glass fiber reinforced concrete gfrc properties and. Introduction to gfrc glass fiber reinforced concrete. Fiber reinforced concrete has small distinct fibers that are homogeneously dispersed and oriented haphazardly. Characteristically, because of variety in temperature small cracks will be available in. Glass fibre reinforced concrete or gfrc is a type of fibre reinforced concrete. The international glassfibre reinforced concrete association has a long tradition of serving the grc industry world wide. It holds short discrete fibers that are uniformly distributed and circumstances oriented. A composite material made of a polymer reinforced with fibres. Vairagade and c satish sathawane 2012, experimental study on behavior of steel and glass fiber reinforced concrete.

A thin and short fibre, for example short hairshaped glass fibre, will only be effective the first hours. Rarely, other fibres such as paper, wood, or asbestos have been used. Glass fibre reinforced concrete is 90 percent sand and cement. The international glassfibre reinforced concrete association grca was formed nearly 45 years ago in 1975, and it has an international membership coming from well over 20 countries. Sumit thakur civil fiberreinforced concrete frc seminar and ppt with pdf report. To enhance durability of materials, new generation of glass fibres directed to improvement process. Aslan 100 fiberglass rebar is made using a vinyl ester resin matrix with ecr glass fibers. In this way, glass fibre reinforced concrete gfrc was started to produce for the satisfaction of different demands.

Glassfibre reinforced concrete grc products this specification refers to the manufacture of glassfibre reinforced concrete grc products by the spray process. Glass fibre reinforced concrete civil engineering portal. Get the latest journals, research papers, doc and pdf documents discussing the need of using various types of fibers like synthetic, steel, glass etc. Review on the performance of glass fiber reinforced concrete. Oct 11, 2015 glass fiber reinforced concrete glass fiber reinforced concrete uses fiberglass, much like you would find in fiberglass insulation, to reinforce the concrete. Glass fiber reinforced concrete consists of highstrength, alkaliresistant glass fiber embedded in a concrete matrix. The process uses a specialized spray gun to apply the fluid concrete mixture and to cut and spray long glass fibers from a continuous spool at the same time. Other types of fibers used for concrete reinforcement include carbon fibers, organic or natural fibers, asbestos fibers and polypropylene fibers. It has been widely used in the construction industry for.

High density concrete made of astm c 150 portland cement, crushed stone, silica sand, and polymers reinforced with continuous filament glass fiber mat and structural reinforcing as required. In the 1940s, potential of glass as a construction material was realized and improvement continued with the addition of zirconium dioxide in 1960s for harsh alkali conditions. Feb 12, 2019 glass reinforced concrete grc, or glass fibre reinforced concrete gfrc, is a construction material that is commonly used to form exterior cladding panels. Glass fibre reinforced plastic gfrp rebars for concrete. As soon as some tension is developed, it will lose its stiffness. With 14 the weight of steel rebar, this product exceeds the requirements of astm d7957 standard specifications for solid round glass fiber reinforced polymer bars for concrete reinforcing. Glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Pdf glass fibre reinforced concrete use in construction. Glass fiber reinforced cement or concrete gfrc, made by the sprayupprocess, have been used to construct wall panels. Aslan 100 fiberglass rebar brochure pdf 956 kb aslan. Glass fibre reinforced concrete grc is a material made of a cementatious matrix composed of cement, sand, water and admixtures, in which short length glass fibres are dispersed. Because of this fact, a special 60 ar glass fiber product was developed. If you arent yet familiar with glass fiber reinforced concrete gfrc you should be. Ultrahighperformance fibre reinforced concrete is a recently developed lowporosity ceramic material with excellent mechanical performance, such as 28day compressive and flexural strength around 150 mpa and 40 mpa, respectively, and modulus of elasticity of about 90 gpa.

Glass fiber reinforced concrete is, well, pretty much exactly what it sounds like. Glass fiber reinforced concrete gfrc properties and applications. In this form, both fibers and matrix retain their physical and chemical identities, while offering a synergistic combination of properties that cannot be achieved with either of the components acting alone. Glass fibre reinforced concrete use in construction eng. Fibre reinforced concrete what you need to know before you. At that time, it was considered to be one of the worlds most modern and straightforward handbooks on the design of steel fibre reinforced concrete structures. Pimplikar conducted an experiment as the glassfiber reinforced concrete grc is a material made of a cementatious matrix composed of cement, sand, water. Performance of glass fibre reinforced self compacting. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. The zone of sand is zoneconcretes are mainly used in exterior building.

Pdf in the 1940s, potential of glass as a construction material was realized and improvement continued with the addition of zirconium dioxide. However they were corroded by the highly alkaline portland cement matrix. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. Pdf glass fibre reinforced concrete gfrc researchgate. The swedish concrete association published a report on steel fibre reinforced concrete in 1995. Fibre reinforced concrete frc is a concrete made primarily of hydraulic cements, aggregates and discrete reinforcing fibres. Tech student department of civil engineering, parala maharaja engineering college, odisha, india. Pdf concrete is a frail building material in strain. Steel and glass fibers addition in concrete pipes and manholes improves strength, reduces thickness, and diminishes handling. Mar 06, 2016 fiber reinforced concrete is used to improve the performance of concrete cracking and shrinkage problems. Early experience indicated that 58 portland cement composites made with unprotected e glass fiber conventional glass fiber 59 reinforcement used in plastics were subject to alkaline attack.

The panel was originally developed by gfrg building system australia and used since 1990 in australia for mass scale building construction. Concrete reinforced with fibres which are usually steel, glass or plastic fibres is less expensive than handtied rebar, while still increasing the tensile strength many times. The fibres are usually glass in fibreglass, carbon in carbon fiber reinforced polymer, aramid, or basalt. This process involves the simultaneous spraying of fibre and slurry onto a mould by manual or mechanical means. Early experience indicated that 58 portland cement composites made with unprotected eglass fiber conventional glassfiber 59 reinforcement used in plastics were subject to alkaline attack. The material used to make boats or other products, although called fiberglass, is really glass fiber reinforced plasticglass fibers in a polymer matrix. Fiberglass rebar product types composites owens corning. Structural glass fiber reinforced concrete for slabs on ground. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. Fibre reinforced concrete has a higher flexural strength than that of unreinforced concrete and concrete reinforced with welded wire fabric.

However, most commonly used fibers are steel and glass. Synthetic of fiber synthetic fiberreinforced concrete uses plastic and nylon fibers to improve the concretes strength. Concrete is most widely used construction materials. It has grown in popularity with architects and engineers because of its ability to be formed into virtually any size, shape or profile such as the heydar aliyev center pictured above.

Synthetic of fiber synthetic fiber reinforced concrete uses plastic and nylon fibers to improve the concrete s strength. Glassfibre reinforced concrete for more than 25 years glass fibres combined with cement, have been the basis for a building material that has changes prefabrication in more than 60 countries. This material is very good in making shapes on the front of any building and it is less dense than steel. Composed principally of cement, sand and special alkali resistant ar glass fibres, grc is a thin, high strength concrete with many applications in construction. Design of fibre reinforced concrete beams and slabs. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for. Fiber reinforced concrete types, properties and advantages. Fibers used are steel fibers, synthetic fibers, glass fibers, natural fibers, asbestos fibers and carbon fibers.

Glass fibre reinforced concrete gfrc is a material that is making a significant contribution to the economics, technology a nd aesthetics of the construction industry worldwide for over 40 years. Glass fiber reinforced concrete linkedin slideshare. Sand and cement are typically used at a ratio of about 1 to 1, although some mix designs call for slightly higher. Performance of glass fibre reinforced self compacting concrete. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers this study presents understanding srength of fibre reinforced conceret. This article describes various types of reinforced concrete cement like glass fiber reinforced concrete gfrc, steel fiber reinforced concrete sfrc engineered cementitious composite ecc. Gfrc is a specialized form of concrete with many applications. Ultrahighperformance fibrereinforced concrete is a recently developed lowporosity ceramic material with excellent mechanical performance, such as 28day compressive and flexural strength around 150 mpa and 40 mpa, respectively, and modulus of elasticity of about 90 gpa.

Glass fiber reinforced concrete gfrc comprises hydration products of cement, or cement plus sand, and the glass fibers. Fiberreinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Download the seminar report on fiber reinforced concrete for civil and construction project. Glass fibre reinforced gypsum gfrg panel building system. The remaining 10 percent consist of glass fibres, pigments and concrete additives. They claimed that all concrete specimens were having good quality 6. Glass fibre reinforced plastic gfrp linkedin slideshare. Flexural strength of ordinary concrete and glass fibre concrete mixes table2 gives the flexural values of ordinary concrete and glass fibre concrete mixes. Fiber reinforced concrete an overview sciencedirect topics. Cemfill anti crack, high dispersion, alkali resistance glass fibre of diameter 14 micron, having an aspect ratio 857. Glass fiber concretes are mainly used in exterior building facade panels. Glass fiberreinforced concrete consists of highstrength, alkaliresistant glass fiber embedded in a concrete matrix.

An investigation on strength properties of glass fiber. Glass fibre reinforced concrete use in construction gopalax. Drawings and general provisions of the contract, including general and supplementary conditions and division 01 specification sections, apply to this section. Experimental studies on glass fiber concrete american journal of. 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. Glass fibre reinforced self compacting concrete gfrscc is composed of cement, different sizes of coarse and fine aggregates, which integrate with distinct, uneven glass fibre.

Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. Glass fibers are used are used as reinforcement for concrete. Glass reinforced concrete designing buildings wiki. Thus unlike plain concrete, a fiberreinforced concrete specimen does not break immediately after initiation of the first crack. Glass fibrereinforced concrete consists of highstrength, lightweight, durable, alkaliresistant glass fibre embedded in a concrete matrix.

Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity. The programme is being carried out to gain an insight into the flexural behaviour of concrete beams reinforced with glass fibre reinforced plastic gfrp. The material used to make boats or other products, although called fiberglass, is really glass fiber reinforced plastic glass fibers in a polymer matrix. Archanaa dongre 3 1 assistant pr ofessor, vid ya jyothi in stitute of technology, hyderabad, 500081. What are the disadvantages of fiber reinforced concrete. Behavior of concrete beams reinforced with glass fiber reinforced polymer flats, international journal of research in engineering and technology, vol. So placing of reinforcement bars to plain concrete to attain the tensile strength. Gfrc glass fiber reinforced concrete the concrete network. Glass fiber reinforced concrete glass fiberreinforced concrete uses fiberglass, much like you would find in fiberglass insulation, to reinforce the concrete. Fiberreinforced concrete frc seminar and ppt with pdf report.

This page contains fiberreinforced concrete frc seminar and ppt with pdf report. Concrete, as most folks know, is strong under compression but weak under tension, and is commonly strengthened by casting it around, e. Glassfibre reinforced concrete grc is a material made of a cementatious matrix composed of cement, sand, water and admixtures, in which short length glass fibres are dispersed. As a result of this ability to arrest cracks, fibre composites possess. Consequently, these panels are very rugged and can withstand high loads despite their large format and minimal thickness. Fibrereinforced plastic frp also called fiberreinforced polymer, or fiberreinforced plastic is a composite material made of a polymer matrix reinforced with fibres. D found that the percentage increase of compressive strength of various grades of glass fibre concrete mixes compared with 28 days. However, because of the inherent material properties of fibre concrete, the presence of fibres in the body of the concrete or the provision of a tensile skin of fibre concrete can be expected to improve the resistance of conventionally reinforced structural members to cracking, deflection and other serviceability conditions. It is the commonlyused method of manufacture for relatively large grc. Most decorative gfrc products, other than artificial rocks, are made with a twolayer process with a very thin 18 to 316 inch face coat and a thicker backing layer. Reinforced concrete adds either steel reinforcing bars, steel fibres, glass fibres, or plastic fibres to carry tensile loads. If, instead of the polymer, we use portland cement and sand, the resulting material is glass fiber reinforced concrete gfrc or sometimes grc the brits call it glassfibre reinforced concrete. Traditional sprayup gfrc is a low watercement ratio mix. Fiber reinforced concrete is used to improve the performance of concrete cracking and shrinkage problems.

He is a member of aci committees 363, highstrength concrete. Addition of glass fibre in reinforced concrete increases the toughness by 1157%compare with conventional reinforced concrete. Glass fibre reinforced gypsum gfrg panel known as rapidwall is a building panel madeup of calcined gypsum plaster, reinforced with glass fibers. Properties and applications offiber reinforced concrete. Strength aspects of glass fibre reinforced concrete. But unlike conventional reinforcement which strengthens in one or possibly two directions steel fibres reinforce iso tropically, greatly improving the concretes resistance to cracking.

Fiberreinforced concrete frc examination of fractured specimens of fiberreinforced concrete shows that failure takes place primarily due to fiber pullout or debonding. Therefore, alkali resistant glass fibres have been subsequently developed in uk and other countries. Download fiber reinforced concrete pdf ppt seminar report. Mainly the studies and research in fiber reinforced concrete has been devoted to steel fibers. Glass fibre reinforced concrete use in construction.