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Dynamic Tests of Steel Fiber Reinforced Concrete

Fibre Reinforced Concrete - SlideShare

The fibre reinforced concrete has been provided in small panels considering the workability. 37. Pavement with steel fibre reinforced concrete 38. Experiment Aim: To understand the effect of incorporation of polypropylene and steel fibers together in the hardened state of concrete.

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Toughness of steel fiber reinforced silica fume concrete

Free Online Library: Toughness of steel fiber reinforced silica fume concrete under compression.(Report) by "International Journal of Applied Engineering Research"; Engineering and manufacturing Compressive strength Analysis Concrete Concretes Earthquakes Fiber reinforced concrete Materials Mechanical properties Testing Reinforced concrete, Fiber Silica Usage Silicon dioxide Steel

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PDF Experimental Investigation on The Fracture Behaviour of

include steel fibers, glass fibers, synthetic fibers and natural fibers - each of which lend varying properties to the concrete. Besides that, the character of fiber reinforced concrete changes with type of concrete, fiber materials, geometries, distribution, orientation and volume fraction.

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Dramix® steel fiber concrete reinforcement solutions

Next level concrete performance. Steel fiber reinforcement has been around since the 1970-ies and continues to evolve with time. The bents and hooks are crucial to the fiber’s anchoring performance and subsequent concrete ductility.These features, in combination with steel elongation, are the main-differentiators of our Dramix® steel fiber concrete reinforcement series.

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PDF Experimental Study on Strength of Fiber Reinforced

without steel fibers. Also the stresses are worked out. The test results shows that steel fiber reinforced concrete is an excellent new type of composite material compared with ordinary concrete as thickness of road is reduced without affecting the load carrying capacity and is a cost effective technology.

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CHAPTER – 1 INTRODUCTION 1.1 HISTORY OF REINFORCED

1.1.1 Steel Reinforced Concrete The steel bars are reinforced into the concrete. The bars have a rough, corrugated surface thus allowing better bonding with steel rebars the concrete gets extra tensile strength. The compression strength, bending also show marked improvement thermal expansion characteristic of steel rebars and concrete shall match.

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Split-Hopkinson Pressure Bar Test and Numerical Simulation

The research results show that: the increase in strain rate pushed up the dynamic compressive strength of the SFRHSC, that is, the failure degree of the specimen was greatly enhanced by the strain rate; under the air pressure of 0.7MPa, the specimen with 1.0 % of steel fiber had the highest dynamic compressive strength (180.9MPa), 22.6 % higher

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D & C Supply Co., Inc. -- Flex-Ten Steel Fibers FAQ's

Steel fiber reinforced concrete is comprised of hydrolic cements containing fine and course aggregates and steel fiber. A superplasticizer is often used to enhance the mix workability. Steel fiber products are available in a variety of types and sizes from various manufacturers.

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Coupled Effect of Temperature and Strain Rate on

The dynamic mechanical properties of steel fiber-reinforced concrete (SFRC) under high temperature and high strain rate were studied using a split Hopkinson pressure bar (SHPB) of 74 mm in diameter. As it is difficult to achieve constant strain rate loading in SHPB experiments with high temperature and high strain rate, this paper first presents a method for determining the strain rate

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Prediction of the Compressive Strength and Dynamic Modulus

strength and dynamic modulus of steel, polypropylene, nylon, and glass fiber reinforced concrete. Previous studies prove that adding fibers to concrete alters the propagation of ultrasonic pulse velocity waves. Therefore, each type of fiber-reinforced concrete will have a unique relationship between ultrasonic pulse

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PDF Aramid Fiber Mesh-reinforced Thin Sheet Response to Impact

steel fiber-reinforced mortar appears to be slightly more strain rate sensitive than plain mortar, which is likely to be due to the multiple cracking of the matrix [6]. The energy absorbed by steel fiber-reinforced concrete under impact loads can be about 20 to 100 times that absorbed by plain concrete.

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Dynamic Tests of SteelFiber Reinforced Concrete Frames

Dynamic Tests of Steel-Fiber Reinforced Concrete Frames. Sep 01, 1994 Dynamic tests of two sets of parallel one-bay, two-story concrete plane frames were carried out at the University of British Columbia to assess the effectiveness of using steel fiber reinforced concrete in the design of seismic-resistant structures.

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Experimental and numerical study of reinforced concrete

Song, PS, Wu, JC, Hwang, S (2005) Assessment of statistical variations in impact resistance of high-strength concrete and high-strength steel fiber-reinforced concrete. Cement and Concrete Research 35(2): 393 - 399. Google Scholar | Crossref

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PDF Study on High-density Concrete Reinforced With Steel Fiber

and openings[3].Steel fiber reinforced concrete is dispersed into concrete during mixing to improve the concrete properties steel fiber reinforced concrete is extensively used to increase the tensile strength, ultimate strength, reducing cracks [4].As stated in ACI 544, 3R-2008[2] fiber volume fraction used in concrete should be

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Earthquake Response Modeling of Corroded Reinforced

The effect of corrosion-induced damage on the seismic response of reinforced concrete (RC) circular bridge piers has been extensively investigated in the last decade, both experimentally and numerically. Contrarily, only limited research is presently available on hollow-section members, largely employed worldwide and intrinsically more vulnerable to corrosion attacks. In this paper, fiber

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PDF Non Linear Finite Element Analysis of Steel Fibre

element analysis is carried out to study the behaviour of steel fiber reinforced concrete beams. The strength of reinforced concrete beam is studied by varying the percentage of steel fibers in concrete. The analysis is done using ANSYS workbench 16.1. The ultimate load carrying capacity and deformation of the steel

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Experimental Study and Comparison of Test Results on Fiber

strength of concrete made with fiber reinforced concrete by using hooked end steel fibers, For this investigation, the cube and cylinder are cast of standard size and the beam specimens of 100 mm in width, 100 mm in depth, and 500 mm in length are cast, Steel fibers are

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PDF Determination of Mechanical Properties of Hybrid Fiber

fiber reinforced concrete. For this purpose nine mixes, one plain control mix and eight fiber reinforced mixes were prepared. Six of the mixes were reinforced in a hybrid form. Four different types of fibers were used in combination, two of which were macro steel fibers, and the other two were micro fibers. Volume percentage of

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Design of reinforced concrete beams with steel fibers in

The values obtained from the design calculations are compared with the experimental results of reinforced concrete beams with 20kg/m 3 and 60 kg/m 3 of steel fibers submitted to four-point bending tests. In the first part, the procedures for the classification and characterization of the material are explained.

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PDF 544.4R-88 Design Considerations for Steel Fiber Reinforced

full-scale tests have shown that steel fibers in combina-tion with reinforcing bars can increase the moment ca-pacity of reinforced concrete beams (Henager and Doherty 1976; Henage r 1977a). Steel fibers can also provide an adequate internal re-straining mechanism when shrinkage-compensating ce-ments are used, so that the concrete system will per-

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Guide for the Design and Construction of Fiber-Reinforced

test for steel fiber reinforced concrete", RILEM TC 162-TDF Recommendations, Materials and Structures, 34: 3-6; − RILEM, 2002, "Test and design methods for steel fiber reinforced concrete. Design of steel fiber reinforced concrete using the σ-w method: principles and applications", RILEM TC

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Effect of steel fibers on static and blast response of

Resumen: The advantages of High Strength Fiber Reinforced Concrete (HSFRC) in static behavior highlighted by many researchers suggest it is a promising material to withstand dynamic loads. However, available experimental results regarding blast performance of HSFRC structural elements are still limited. The results of exploratory series of tests using a high strength concrete, over 100 MPa

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Mechanical and Dynamic Properties of Hybrid Fiber

In order to explore the influence of basalt-polypropylene hybrid fiber on the static mechanical properties and dynamic compression properties of fly-ash concrete, 16 groups of basalt-polypropylene hybrid fiber fly-ash concrete (HBPC) and 1 group of benchmark concrete were designed and prepared. The slump, static compressive strength, static splitting tensile strength, and dynamic

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Finishing Steel-Fiber-Reinforced Concrete| Concrete

Q.: Are special techniques needed to finish steel-fiber-reinforced concrete to prevent fibers from protruding from the surface? A.: Although most conventional equipment can be used to finish concrete with steel-fiber reinforcement, some different techniques are needed to get the best possible results, according to ACI 544, "Guide for Specifying, Proportioning, Mixing, Placing, and Finishing

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Spall strength of steel-fiber-reinforced concrete under

A specially designed large-scale Hopkinson bar (φ100 mm) with hollow aluminum alloy bar as transmitted bar was used to measure the dynamic spall strength of steel-fiber-reinforced concrete (SFRC).The experimental results indicate that the steel fibers significantly enhance the spall strength of the SFRC.

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Strategic use of steel fibers and stirrups on enhancing

In order to investigate the static and dynamic flexural behavior of ultra-high-performance fiber-reinforced concrete (UHPFRC) beams, twelve half-scale beams (125 × 250 × 2438 mm) were fabricated and tested under quasi-static and drop-weight impact loading conditions.

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PDF Load-deflection Characteristics of Steel, Polypropylene

Fiber reinforced concrete decreases efficiently the brittleness of concrete, and it improves its characteristics. There are two main types of fibers: steel fibers and polypropylene fibers which have been studied in recent years. The ductility of concrete is an important property that can be increased by using steel fiber reinforcement.

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Mesoscale Simulation on the Effect of Elevated Temperature

Steel fiber reinforced concrete (SFRC) is an appropriate material for protective structure and may undergo fire, impact and the coupled effects of them. To investigate the dynamic failure behavior of SFRC after elevated temperature, a mesoscale simulation method was established. In the approach, the SFRC was regarded as a four-phase composite material consisting of aggregate particles, mortar

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PDF Flexural Behavior of Polyvinyl Alcohol Fiber Reinforced

Reinforced Concrete. Fiber reinforced concrete can be defined as a "composite material consisting of mixtures of cement, mortar or concrete and discontinuous, discrete, uniformly dispersed fibers". Continuous meshes, woven fabric and long wires or rods are not considered to be discrete fibers. The following fibers are could be used as in

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Experimental Investigation of Steel Waste Generated From

4] P.T. Ravichandran “Fiber Reinforced Concrete", KIT, Coimbatore, May 7-8, 1999, pp 229-234. [5] T Sekar "Fiber Reinforced Concrete from Industrial ste Fibers a Feasibility Study", IE (I)Journal-CV, vol 84, February 2004. [6] L. Kutzing “Shear Strength of Steel Fiber Reinforced Concrete (SFRC) Beams and Plates University Leipzig,

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Steel Fiber Reinforced Concrete - The University of the

characterized by high flexural strength, dynamic strength, and fatigue strength [1, 5]. 2. The Research Programme Keeping the above facts in mind, the author had worked out a research programme of fine aggregate concrete modified by silica fume, steel fiber, and a plasticizer. Fine aggregate concrete was created on the basis of waste sand. Waste

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