Structural glass fiber reinforced concrete conceptual alignment the term glass fiber reinforced concrete is often used in civil engineering representative of a whole group of composite building materials and has to be differentiated with respectto material behavior 5. This material is very good in making shapes on the front of any building and it is less dense than steel. Itwas shown that for thesamelengthanddiameter,crimpedendfibers can achievethesamepropertiesas straight fibers using 40 percent less fiberss. Steel fiber, concrete, properties, crack, ductility, technology. Fiber reinforced concrete is used when there is requirement for elimination small cracks. Fiber reinforced concrete types, properties and advantages. Many gfrc experts will also use silica fume, metakaolin, or other pozzolans in their mix. Glass fiber reinforced concrete gfrc is a proven engineered composite building material consisting of portland cement, aggregate, color pigments, and glass fiber reinforcement. Glass fiber reinforced concrete is, well, pretty much exactly what it sounds like. Glass fiber reinforced concrete gfrc comprises of cement or concrete mixed with glass fibers. It is an unusual composite, in which both the matrix and the reinforcement themselves are composites. High volume fly ashbased glass fibre reinforced concrete. It holds short discrete fibers that are uniformly distributed and circumstances oriented. The use of premix, sprayup, hybrid methods of gfrc is becoming increasingly widespread and some amazing projects have been completed 4749.
The panel was originally developed by gfrg building system australia and used since 1990 in australia for mass scale building construction. It has been widely used in the construction industry for. Jan 29, 2014 they also reduce the permeability of concrete and thus reduce bleeding of water. The product is also known as glassfibre reinforced concrete or grc in british english. In this study trial tests for concrete with glass fibre and without glass fibre are conducted to indicate the differences in compressive strength and flexural strength by using cubes of varying sizes. Properties and applications offiber reinforced concrete.
Shear strength of fiber reinforced concrete beams was studied in this research project. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Corrosion of steel reinforced concrete results in unsafe structures and significant economic costs. This project investigated using polymer, steel, and glass fibers in. Glass fibre reinforced concrete or gfrc is categorised as. It has grown in popularity with architects and engineers because of its ability to be formed into virtually any size, shape or profile. In slabs on grade, mining, tunneling, and excavation support applications, steel and synthetic fiber reinforced concrete and shotcrete have been used in lieu of welded wire fabric reinforcement. Stromberg can custombuild a near perfect reproduction of any masonry from bricks to stones.
Fibre reinforced concrete research papers academia. Design of fibre reinforced concrete beams and slabs. Strength aspects of glass fibre reinforced concrete. Pci manual for quality control for plants and production of glass fiber reinforced concrete products, 2nd edition iii foreword this manual has been prepared as a guideline for the manufacture of glass fiber reinforced concrete gfrc. Naturally occurring asbestos fibers and vegetable fibers, such as sisal and jute, are also used for reinforcement. Glass fiber concretes are mainly used in exterior building facade panels and as architectural precast concrete. Gfrc glass fiber reinforced concrete the concrete network. Browse companies that make glassfiberreinforced concrete and view and download their free cad details, revit bim files, specifications and other content relating to glassfiberreinforced concrete as well as other product information formated for the architectural community. Glass fibre reinforced gypsum gfrg panel building system. Mnl128 recommended practice for gfrc panels free pdf. Abstract glass fibre reinforced concrete gfrc is a recent introduction in the field of concrete technology.
The laminate form is the most common in structural applications. What are the difference between tender and contract documents. Key words glass, fiberreinforcement, glass fiber reinforced polymer, polymer, durability, deterioration, service life, concrete reinforcement 18. Glass fiber reinforced concrete gfrc was first introduced to the building industry in the early 1970s in the united kingdom. Fiber reinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. Recommended practice for glass fiber reinforced concrete panels, 4th edition free pdf download mnl12801 this 104page publication presents the latest information on the planning, design, manufacture and installation of gfrc panels. Vairagade and c satish sathawane 2012, experimental study on behavior of steel and glass fiber reinforced concrete. This is to certify that the project report entitled a study on glass. This system was named alkali resistance glass fibre reinforced concrete.
Glassfibre reinforced concrete grc is the most complex material widely used in current construction practice. The zone of sand is zoneconcretes are mainly used in exterior building facade panels and as architectural precast concrete. This reduces the permeability of the concrete, making it more waterresistant and also reduces the alkalinity of the concrete, which means it doesnt affect the glass both of these factors mean increased concrete durability. To enhance durability of materials, new generation of glass fibres directed to improvement process. Pdf concrete is a frail building material in strain. In this way, glass fibre reinforced concrete gfrc was started to produce for the satisfaction of different demands. These stands can be chopped into various lengths, or combined to make cloth mat or tape. Gfrc, glass fiber reinforced concrete, has concrete front facing with options to match look of virtually any other type of stone products. Astm a 82 standard specification for steel wire, plain, for concrete reinforcement.
The international glassfibre reinforced concrete association has a long tradition of serving the grc industry world wide. Fiber reinforced concrete an overview sciencedirect topics. Gfrc panels are an excellent choice for highrise buildings in areas of high seismic activity and for very decorative and intricate shapes and applications. Fiber reinforced concrete overview for concrete pavement and overlays general overview of fibers used for concrete pavements with an emphasis on macro fibers and their effect on concrete properties and pavement construction. The material used to make boats or other products, although called fiberglass, is really glass fiber reinforced plastic glass fibers in a polymer matrix.
Glass fiber reinforced concrete or gfrc is a type of fiberreinforced concrete. Gfrc is a composite of cement, glass fibers, aggregates and polymers. Gfrc can be formed into ornate shapes, and its light weight provides many benefits for high rise buildings. Fiberglass rebar product types composites owens corning. Both concrete crushing and coirgfrp rupture are acceptable failure modes in governing the design of coirgfrp reinforced concrete members provided that strength and serviceability criteria are satisfied. Gfrc glass fiber reinforced concrete projects by willis. Introduction to steel fiber reinforced concrete on engineering performance of concrete vikrant s. The glass fibers reinforce the concrete, much as steel reinforcing bars do in conventional construction. Glass fiber reinforced cement or concrete gfrc, made by the sprayupprocess, have been used to construct wall panels. 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. Glass fiber reinforced concrete gfrc properties and. Mechanical properties of glass fiber reinforced concrete. Aslan 100 fiberglass rebar is made using a vinyl ester resin matrix with ecr glass fibers. Gfrc is a 12 thick laminate reinforced with steel and glass fibers, resulting in a much stronger material than normal concrete.
Kene abstract fiber reinforced concrete has been successfully used in slabs on grade, shotcrete, architectural panels, precast products, offshore structures, structures in seismic regions, thin and thick repairs, crash. The international glassfibre reinforced concrete association grca has relationships. Shop drawing for glass fibre reinforced concrete grc. Somewhat similar materials are fibre cement siding and cement boards. Glass fibrereinforced concrete consists of highstrength, alkaliresistant. Fibre reinforced pervious concrete using banana fibre. Glass fibre reinforced concrete use in construction. Introduction to gfrc glass fiber reinforced concrete. This requires designs which, in steel reinforced design, would be considered over reinforced. The fiber reinforced concrete association frca is focused on furthering the development, knowledge and market of fiber reinforced concrete frc to manufacturers, suppliers and marketers within the concrete industry. Glass fibre reinforced gypsum gfrg panel known as rapidwall is a building panel madeup of calcined gypsum plaster, reinforced with glass fibers. 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. Pdf glass fibre reinforced concrete gfrc researchgate. Characteristically, because of variety in temperature small cracks will be available in concrete find, read.
Introduction fibre reinforced concrete frc may be defined as a composite materials made with portland cement, aggregate, and incorporating discrete discontinuous fibres. Specialized concrete products scp glass fibre reinforced concrete. Download the seminar report for fibre reinforced concrete. 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. Glass fibre reinforced concrete gfrc 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. Glass fiber reinforced concrete, usually referred to as gfrc, is made of a portland cement and aggregate slurry reinforced with short glass fibers. Structural glass fiber reinforced concrete for slabs on ground. 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. Introduction to steel fiber reinforced concrete on. Gfrc is the term applied to products manufactured using a cementaggregate slurry reinforced throughout with. Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity. 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. Various applications of gfrc shown in the study, the experimental test results, technoeconomic.
In the past decade, fiber reinforced polymer frp reinforcing bars have been used extensively in structural concrete applications. Glass reinforced concrete grc, or glass fibre reinforced concrete gfrc, is a construction material that is commonly used to form exterior cladding panels. Particular specification of glass reinforced concrete grc rockscape 1. Fibre reinforced pervious concrete using banana fibre aiswarya gopinath1, amala d2, anjitha g nath3, drisya vasudev a4, justin thomas5 1,2,3,4, b. The bars consist of continuous fibers embedded in an epoxy or vinylester polymer matrix. Exploring the properties of fiber reinforced concrete worcester. The performance of the specimens reinforced with fibers are compared with that of the specimens reinforced with weldedwire fabric wwf, with the purpose of determining if fiber reinforced concrete. Glass fiber reinforced concrete is weather resistant and will not rot or dissolve over time. Glass fiber reinforced concrete gfrc panels are comprised of a 1 thick composite glass fiber concrete skin that is mechanically attached by flexible steel pins to a sturdy steel frame.
Properties and applications of fiber reinforced concrete. Now, why would we wish to add such fibres to concrete. For this project i will be exploring frp composite reinforced concrete design. Introduction 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. It consists of glass fibers contained in a cementitious medium. Pdf in the 1940s, potential of glass as a construction material was realized and improvement. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers this study presents. Experimental investigation of fiber reinforced concrete beams. Production of dxf files for use in detailing with autocad or other compatible. Addition of glass fibre in reinforced concrete increases the toughness by 1157%compare with conventional reinforced concrete. Fiber reinforced concrete frc university of washington. The glass fiber reinforced concrete showed almost 20 to 25 % increase in compressive strength, flexural and split tensile strength as compared with 28 days compressive strength of plain concrete. 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. Gfrc constructs are water tight and will not leak or take on water.
Glass reinforced concrete or gfrc is an engineered material with desirable qualities and multiple advantages compared to other types of concrete. Review on the performance of glass fiber reinforced concrete. Fiber reinforced concrete overview for concrete pavement. Gfrc is concrete that uses glass fibres for reinforcement instead of. It contains short discrete fibers that are uniformly distributed and randomly oriented. Section 09235 glass fiber reinforced gypsum fabrications. Nemati winter quarter 2015 6 concrete technology 11 fiber reinforced concrete frc examination of fractured specimens of fiber reinforced concrete shows that failure takes place primarily due to fiber pullout or debonding. 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. Fiberreinforced concrete seminar ppt with pdf report. Cement, when reinforced with glass fibre, rigid units, impregnated with epoxy. Gfrc stromberg architectural glass fiber reinforced concrete. Oct 11, 2015 aim and objectives of study the proposed of study aims at analysing the characteristics of glass fiber reinforced concrete. Pdf glass fibre reinforced concrete use in construction.
Particular specification of glass reinforced concrete grc. Cracks in reinforced concrete members extended freely until encountering a rebar. This book provides guidance on the properties, its specification, testing and the late. By optimizing a design created within the rules of the 2007 aci frp composites competition, i will be looking into ways to best increase the flexural and shear capacities of frp reinforced concrete beams.
Glass fiber reinforced concrete or gfrc is a type of fiber reinforced concrete. Properties and applications offiber reinforced concrete 51 high aspect ratio were found to have improved effectiveness. Apr 11, 2012 concrete, as most folks know, is strong under compression but weak under tension, and is commonly strengthened by casting it around, e. Fibers suitable for reinforcing concrete have been produced from steel, glass, and organic polymers synthetic fibers. The use of glass fiber reinforced polymer reinforcement in concrete beams rebecca burrow swarthmore college, department of engineering. The glass fibers can also be used in combination with conventional reinforc ing bars or. Several projects were reported for building wall panels made of gfrc in uk and usa. Franzen department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology abstract. Use a glass fiber reinforced concrete with portland cement and decrease the maximum use of portland cement. View fibre reinforced concrete research papers on academia.
Preparation of glass fiber reinforced concrete gfrc glass fibers of 10mm to 50mm in length and a few microns in diameter can be added up to 5% by weight and premixed with cement and water in a pan or a paddle mixer. This specification covers the requirements for the fabrication and placing of glass fibre reinforced polymer gfrp reinforcing bar as internal reinforcement of concrete components. As a new construction material gfrc, we can achieve maximum benefits and different properties of glass fiber. One hard copy set and one electroni c pdf of gfrp working drawings, including supporting documentation. Today, it is one of the most popular and innovative building materials used throughout the united states, europe, middle east and asia. Fiber reinforced concrete association frca is focused on. Concrete containing a hydraulic cement, water, fine or fine and coarse aggregate, and discontinuous discrete fibers is called fiber reinforced.
Thus unlike plain concrete, a fiber reinforced concrete. Both geopolymer concrete and steel fibre reinforced geopolymer concrete were used to manufacture the slab specimens for field gas explosion test. Gfrc is a specialized form of concrete with many applications. Glass reinforced concrete designing buildings wiki. Nov 19, 2014 the many benefits of glass fiber reinforced concrete. Glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Tech students, department of civil engineering, ammini college of engineering palakkad, kerala, india. Strength aspects of glass fibre reinforced concrete avinash gornale, s ibrahim quadri, s mehmood quadri, syed md akram ali, syed shamsuddin hussaini. Steel and glass fibers addition in concrete pipes and manholes improves strength, reduces thickness, and diminishes handling damages. Besides its ability to sustain loads, natural fibre reinforced concrete. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers.
Fiberreinforced concrete frc seminar and ppt with pdf report. Continuous meshes, woven fabrics and long wires or rods are not considered to be discrete fibers. Gfrc glass fiber reinforced concrete glass fiber is made up from 200400 individual filaments which are lightly bonded to make up a stand. Significant research has been performed on glass fiber reinforced polymer gfrp concrete reinforcement. It is an authentic material in line with the current trend towards natural, environmentallyfriendly. Architectural gfrc projects glass fiber reinforced concrete.
Glass fiber reinforced concrete was subjected to experimental weathering studies and model simulations. Glass fiber reinforced concrete gfrc uses and benefits. 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. Fiberreinforced concrete frc is concrete made primarily of hydraulic cements, aggregates, and discrete reinforcing fibers. In the future, structural glass fiber reinforced concrete shall provide a simple and visually appealing alternative to conventional steel bar or steel fiber reinforced concrete. While to improve the durability from the aspect of acid attacks on concrete the use of ar glass fibers had. Glass reinforced concrete designing buildings wiki share your construction industry knowledge. This page contains fiberreinforced concrete frc seminar and ppt with pdf report. Behavior of concrete beams reinforced with glass fiber reinforced polymer flats, international journal of research in engineering and technology, vol.
Stromberg gfrc pioneered the design and production of glass fiber reinforced concrete and our unique methods of detailing, manufacturing and installing gfrc that have helped make our clients, and their projects, successful. Gfrc is a composite in which the reinforcement is randomly dispersed throughout the materials, thus differing from conventional reinforced concrete where steel is placed primarily in tensile stress. To date, the most commonly used fibers were glass, carbon and aramid, referred to as gfrp, cfrp and afrp, respectively. Recent uses and developments concrete construction. If you arent yet familiar with glass fiber reinforced concrete gfrc you should be. He is a member of aci committees 363, highstrength concrete.
Pdf glass fiber reinforced concrete gfrc strength and stress. Glass fiber reinforced cement or concrete gfrc, made by the sprayup process, have been used to construct wall panels. Practical design guide for reinforced concrete grc. 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.
Glass fiber reinforced concrete gfrc is a lightweight composite consisting of portland cement, sand, aggregates, alkali resistant fiber, polymer, additives, and water. Drawings and general provisions of the contract, including general and supplementary conditions and division 01 specification sections, apply to this section. Rieder presents concrete skin, facade panels made of fibrec glass fiber reinforced concrete. Longterm performance of gfrp reinforcement performed in cooperation with the. Glass fiber reinforced concrete is made of a 1 thick cementitious skin, reinforced with alkali resistant glass fibers, and attached to a metal stud frame system. Glass fiber reinforced concrete gfrc properties and applications. Tests were conducted to evaluate longterm properties of three different glass fiber reinforced concrete gfrc composites.966 395 47 396 1409 658 840 399 776 1420 810 768 91 922 1387 1320 582 1117 978 119 85 198 1158 1439 1098 922 1528 332 64 1289 485 1331 235 270 746 866 1060 731 1182 795 1012 970 748 948 448