Polymer modified steel fibre reinforced concrete seminar. Mechanical properties of concrete and mortar reinforced with randomly distributed smooth steel fibers were investigated to understand the mechanism of fiber reinforcing. The object of this article is steel fibre reinforced concrete sfrc. Where fcuf is the cube strength of fiber reinforced concrete mpa. Explore polymer modified steel fibre reinforced concrete with free download of seminar report and ppt in pdf and doc format. Understanding shear behavior is crucial for the design of reinforced concrete beams and sustainability in construction and civil engineering. This study investigated the feasibility of replacing traditional steel strands and spiral reinforcement in bridge piles with carbon fiber reinforced polymer cfrp strands and spiral reinforcement.
Steel fiber reinforced concrete linkedin slideshare. View steel fiber reinforced concrete sfrc research papers on academia. Steel fiber reinforced selfcompacting concrete sfrscc is. The steel fiber reinforced concretes are the building materials which are more significance very fast because of the enhancing demand for high building properties in the building materials. The use of materials takes into account the standards of fiber for concrete 18, test methods for fibers in concrete 19, standard specifications for steel fibers for fiber reinforced concrete. Sumit thakur civil fiberreinforced concrete frc seminar and ppt with pdf report.
In this paper past studies based on the steel fiber concrete is studied in detail. Steel fiber, concrete, properties, crack, ductility, technology. Introduction to steel fiber reinforced concrete on engineering performance of concrete vikrant s. To achieve impressive gains in safety, functionality and economy mate. Steel fiber utilized as a part of the self consolidating steel fiber reinforced concrete scsfrc is to improve. The results showed that the compressive strength of steel fibers reinforced concrete sc and steel fiber reinforced mgo. He is a member of aci committees 363, highstrength concrete. Toughness is a measure of the ability of the material to absorb energy during deformation. Abstract concrete being the most important and widely used material is called upon to possess very high strength and sufficient workability properties. Effect of steel fiber on impact capacity and toughness of concrete. Steel fibre reinforced concrete as a structural material. Fibrereinforced concrete is the concrete with addition of short fibres targeting the. Glass fiber reinforced concrete gfrc or grc is a type of fiber reinforced concrete. Pdf since the beginning of applications of civil engineering materials based on clay, lime and cement there has been a need to find a way to decrease.
Experimental studies investigating the flexural behavior of six concrete beams were conducted with various reinforcements, including ordinary steel bars, steelfiber reinforced polymer composite bars, pure fiberreinforced polymer bars either carbon fiber reinforced polymer bars or basalt fiber reinforced polymer bars, and hybrid bars steel bars and basalt. Fiberreinforced concrete frc is concrete containing fibrous material which increases its structural integrity. Fiber reinforced concrete an overview sciencedirect topics. The excellent performance exhibited by this composite is essentially due to its high energy absorption capacity. Glass fibre reinforced concrete use in construction.
Since the addition of steel fibers to concrete has been shown to increase both the ductility and the fatigue strength of reinforced concrete. Toughness of polymer modified steel fiber reinforced concrete. Experimental results show that concrete shear walls reinforced with a hybrid scheme of steel and fiber reinforced polymer frp bars are able to achieve similar strength, stiffness and ductility. Strengthening of steel structures with fiberreinforced. Fibre reinforced concrete frc may be defined as a composite materials made with portland cement, aggregate, and incorporating discrete discontinuous fibres. Here blast furnace slag ggbs has been used as a supplementary material along with the cement. To reduce the cracking caused by shrinkage and avoid the brittle behavior of concrete, mgo expansion agent and steel fibers were used in this paper.
Download fiber reinforced concrete pdf ppt seminar. Abstract extensively used material in construction industry is concrete this is because of good workability and ability to. Compressive strength testing of steel fiber reinforced. The use of materials takes into account the standards of fiber for concrete 18, test methods for fibers in concrete 19, standard specifications for steel fibers for fiberreinforced concrete.
The strength of 15 steel fibers reinforced and plain concrete ground slabs. However, steel reinforcement is still expensive for many people who want to build earthquake resistant houses. 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. Pdf steel fibers and steel fiber reinforced concrete in civil. 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.
Toughness, steel fiber reinforced concrete, polymer modified steel fiber reinforced concrete 1. Pdf shear strength of steel fiberreinforced concrete beams. Steel fibre reinforced concrete seminar ppt with pdf report. Although numerous studies have been proposed, predicting such behavior still needs further improvement. Introduction concrete is strong in compression but weak in tension.
Fibbers were compared with conventional reinforcementin flexure, tesion and compression. Fibre reinforced concrete frc is defined as a composite material. Get the latest journals, research papers, doc and pdf documents discussing the need of using various types of fibers like synthetic, steel, glass etc. The fibers in uhpc provide tensile capacity across cracks, resulting in high shear capacity in bending members. Fiber reinforced concrete has small distinct fibers that are homogeneously dispersed and oriented haphazardly.
Fibrereinforced concrete is the concrete with addition of short fibres targeting the improvement of the propriety of this material. Polypropylene fiber reinforced concrete mixtures had a tensile strength of 3. Evaluation of ultrahighperformance fiberreinforced concrete. Research on steel fiber reinforced concrete pavement for orthotropic steel deck as a countermeasure for fatigue jun murakoshi1, naoki yanadori2, and hironori ishii3 abstract this paper describes ongoing studies about application of steel fiber reinforced. Fiber efficiency is controlled by the resistance of the fibers to pullout, which in turn depends on the bond strength at the fibermatrix interface. Concrete is a brittle material that fractures under sudden stresses due to environmental conditions.
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. Different volumes, lengths, orintations and types of fibers were used. Green approach refers to a use of natural and renewable source of energy replacing or reducing environmentally unfriendly materials like steel. Manufacture of steel fibers, properties of steel fibers. Download the seminar report on fiber reinforced concrete for civil and construction project. Polymer modified steel fibre reinforced concrete seminar and ppt with pdf report. For bigger slabs, and many other applications, the steel is produced rods generally known as rebar. This study evaluates the effect of the amount of fibers in a concrete mix on the shear capacity of steel fiber reinforced concrete beams with mild steel tension reinforcement and without stirrups. Design of fibre reinforced concrete beams and slabs. Pdf steel fiber reinforced concrete semantic scholar. Introduction to steel fiber reinforced concrete on. Experimental study on flexural behavior of concrete beams.
A steel reinforced slab is really a composite system composed of steel and concrete. This study proposes a softcomputing tool to predict the ultimate shear capacities uscs of concrete beams reinforced. For conventional concrete without steel fibers, although still an aspect under discussion, there are some commonly used durability indicators. The fibers shall be straight or deformed and of types i colddrawn wire, ii cut sheet, iii meltextracted, iv mill cut, and v modified colddrawn wire. Tensile strength of steel fiber reinforced concrete. The steel is usually rods factory welded inside a mesh pattern referred to as welded wire fabric. Deformation and compressive strength of steel fiber. As concrete is brittle material the failure in concrete due to tension is sudden. Recently, a new ultrahighperformance fiberreinforced concrete uhpc was introduced into construction. Properties and applications offiber reinforced concrete. This page contains fiberreinforced concrete frc seminar and ppt with pdf report. Fibers used are steel fibers, synthetic fibers, glass fibers, natural fibers, asbestos fibers and carbon fibers. Concrete is the most widely used construction material because of its specialty of being cast into any desired shape. Loaddeflection characteristics of steel, polypropylene and hybrid fiber reinforced concrete beams.
Steel fiber reinforced concrete grolmd slabs committee 544 recommended the use of inverted slump cone procedure. These compounds have a more tensile strength to compress, more toughness and more absorption of energy. The present study discusses about the importance of coconut fiber as an admixture for roofing, its advantages and scope in future. The main requirements of earthquake resistant structures are good ductility and energy absorption capacity. Abstract the potential use of steel fiber reinforced concrete sfrc is to improve the structural strength and reduce steel reinforcements requirements. Bond characteristics of steel fiber and deformed reinforcing steel bar. It contains short discrete fibers that are uniformly distributed and randomly oriented. Abstract unrivaled exhibitions of selfcompacting concrete scc in new state to accomplish a more uniform dispersion support the addition of fibers in concrete which is an inspiration for basic utilization of fiber fortified cement. Fiber reinforced concrete frc is a new structural material which is gaining increasing importance. This specification covers steel fibers intended for use in fiberreinforced concrete. Steel fiber reinforced concrete project by shaswat mohan routray pravash sathpathy nibedta hansda guided by mrs. Abstract the paper intends to analyze and study the features of steel fiber reinforced concrete sfrc and plain concrete that contains.
Overview of fiberreinforced concrete bridge decks final. Extensively used material in construction industry is concrete this is because of good workability and ability to be moulded to any shape. Fiberreinforced concrete frc is concrete consisting fibrous material which increases its structural purity. Durability, steel fiber reinforced selfcompacting concrete, corrosion. Laboratory punching shear tests on small slabs with macrofibers without bars by a. Steel fiber reinforced concrete sfrc has proven to be an attractive material for a wide range of applications in civil construction industry. Included within this report is a summary of the laboratory and field performance of various frc bridge decks along with key test methods and specification language developed by state departments of transportation.
To overcome the difficulty, an economical but safe constructional material is. The results of this study support the inclusion of provisions for steel fiberreinforced concrete in building codes and provides recommendations for inclusion in. However, for steel fiber reinforced selfcompacting concrete sfrscc literature is sparse. This material is very good in making shapes on the front of any building and it is less dense than steel. Fiberreinforced concrete seminar ppt with pdf report. Firstly, the effect of mgo and steel fibers on the compressive strength of concrete was compared. Famrepair of cracked steel girders connected to concrete slabs using carbonfiberreinforced polymer sheets j compos constr, 12 6 2008, pp. Abstract conventional reinforced concrete uses steel rebars. As the most common matrix, which is now in use in construction industry is reinforced cement concrete. This paper emphasizes on polymer modified steel fiber reinforced concrete, a recent advancement in. Now, why would we wish to add such fibres to concrete.
It holds short discrete fibers that are uniformly distributed and circumstances oriented. To overcome the difficulty, an economical but safe constructional material is needed. Concrete is one of the world most widely used construction. Steel fibers are short discontinues strips of specially manufactured steel. Mechanical properties of mixed steel fiber reinforced concrete with. Effect of copper slag on steel fiber reinforced concrete and conventional concrete. Also explore the seminar topics paper on polymer modified steel fibre reinforced concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee. Loaddeflection characteristics of steel, polypropylene. Fiber reinforced concrete is a type of concrete that includes fibrous substances that increase its structural strength and cohesion. Introduction fibre reinforced concrete frc may be defined as a composite materials made with portland cement, aggregate, and incorporating discrete discontinuous fibres. This paper emphasizes on polymer modified steel fiber reinforced concrete, a recent advancement in the field of reinforced concrete. Experimental analysis of steel fiber reinforced self. Their inclusion in the concrete improves the mechanical properties of concrete significantly.
Steel fiber reinforced concrete sfrc research papers. Steel reinforced concrete can endure more stresses and has a longer life. The effect of strength, weight, and fibers on properties of concrete at different temperatures is highlighted at this research to analyze the compressive strength and modulus of elasticity of steel fiber reinforced concrete sfrc on 1% and 1. Study on polymer modified steel fiber reinforced concrete. Properties and applications offiber reinforced concrete faisal fouad wafa associate professor, civil engineering department, faculty ofengineering, king abdulaziz university, jeddah, saudi arabia. Fibers include steel fibers, glass fibers, synthetic fibers and natural fibers each of which lend varying properties to the concrete. Introduction concrete is one of the most promising construction materials with regards to its strength, high serviceability, structural stability and relative low cost.
Effects of hybrid steel fiber reinforced composites on structural performance of segmental linings subjected to tbm jacks mohammad jamshidi avanaki pages. The use of multiple types of steel fibers round, rectangular, deformed can significantly improve properties such as flexural strength, fatigue and impact resistance, permeability etc. Df l and d are steel fiber length and diameter respectively. The test involves, the conventional cone inverted, centered and rigidly held by supports so that the small end of the cone is 4 inch 76 mm above the bottom of a icubic foot 0.
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