influence of fibres in enhancing strength and corrosion

influence of fibres in enhancing strength and corrosion

  • Influence of fibres in enhancing strength and corrosion ...

    Influence of fibres in enhancing strength and corrosion resistance of fly ash blended quarry dust concrete Devi M. International Journal of Civil and Structural Engineering Volume 5 Issue 3 2015 207 cement paste volume needed to obtain an adequate workability of concrete. The increase of

  • Influence of fibres in enhancing strength and corrosion ...

    Influence of fibres in enhancing strength and corrosion resistance of fly ash blended quarry dust concrete. Author Information: Devi M - Principal and Professor in Civil Engineering, Paavai College of Engineering, Namakkal – 637018,Tamilnadu, India. ABSTRACT. Quarry dust which is generally considered as a waste material can be used as an economical alternative to the river sand since it has ...

  • [PDF] Influence of steel fiber contents on corrosion ...

    In order to evaluate corrosion resistance of steel fiber-reinforced concrete, accelerated chloride migration and surface resistivity tests were conducted. In addition air content of fresh concrete, compressive strength and water absorption were measured for investigating fundamental characteristics of concrete. Two different water-cement ratios(0.44, 0.5) and three steel fiber contents(0.25% ...

  • Influence of corrosion on the interface between zinc ...

    2010-08-16  In order to improve the interface bond strength and corrosion resistance, a kind of method was put forward by depositing zinc phosphate (ZnPh) coating on steel fiber surface in this paper. The corrosion behavior was investigated in 5% NaCl solution by using linear polarization measurement. Microstructure analysis (SEM and EDX) and fiber pull‐out test in combination with linear polarization ...

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  • Materials Free Full-Text Strength, Drying Shrinkage ...

    2020-10-07  The effect of enhancing the flexural strength and tensile strength of the sample due to amorphous metallic fiber reinforcement was higher in the mixtures using artificial lightweight aggregate than in those using natural aggregate. (5)

  • Effect of fibres on corrosion of steel reinforcement

    Nevertheless using fibres combined with traditional steel reinforcement in chloride environment may cause other problems, as for example corrosion of fibres or galvanic corrosion. This study investigated the influence of steel fibres on corrosion of traditional reinforcement bars.

  • Steel Fibre - an overview ScienceDirect Topics

    Steel-frc is often used as a matrix for high-performance steel-bar reinforced concrete (RC) as the steel fibres reduce crack width in cracked sections and thus slow down corrosion of the rebars. View chapter Purchase book Additives for Modifying Electrical Properties Michael Tolinski, in Additives for Polyolefins (Second Edition), 2015

  • Enhancing corrosion resistance of reinforced concrete ...

    2015-03-01  Service loads well below the yield strength of steel reinforcing bars lead to cracking of reinforced concrete. This paper investigates whether the crack resistance of Hybrid Fiber Reinforced Concrete (HyFRC) reduces the corrosion rate of steel reinforcing bars in concrete

  • Significance of Fibres in Enhancing Strength and Corrosion ...

    structures is very expensive. Fibres can be utilized to obtain a durable concrete with low shrinkage and improved strength properties. The objective of this work is to study the influence of polypropylene fibre in enhancing the strength and durability properties of fly ash blended concrete containing quarry dust as fine aggregate. The mechanical

  • [PDF] Influence of steel fiber contents on corrosion ...

    In order to evaluate corrosion resistance of steel fiber-reinforced concrete, accelerated chloride migration and surface resistivity tests were conducted. In addition air content of fresh concrete, compressive strength and water absorption were measured for investigating fundamental characteristics of concrete. Two different water-cement ratios(0.44, 0.5) and three steel fiber contents(0.25% ...

  • Influence of corrosion on the interface between zinc ...

    2010-08-16  The interface bond between steel fibers and concrete matrix is a key factor influencing bearing capacity of steel fiber reinforced concrete (SFRC). In order to improve the interface bond strength and corrosion resistance, a kind of method was put forward by depositing zinc phosphate (ZnPh) coating on steel fiber surface in this paper. The corrosion behavior was investigated in 5% NaCl solution by

  • Effects of Silane Treatment of Steel Fibres on Mechanical ...

    Reinforcing concrete with steel fibres has been investigated with the intention of enhancing the tensile strength and durability of the concrete by resisting microcracking. However, in order to take full advantage of the reinforcing effect of steel fibres, not only to the cracking strength of the matrix, but residually, improvements can be made to (1) the physical bond between the steel fibres and concrete matrix and

  • Research Article CRITICAL STUDIES ON THE INFLUENCE OF ...

    strength, bond strength, and abrasion resistance, reduces permeability, and therefore helps in protecting reinforcing steel from corrosion. Addition of fibers has shown to improve ductility of normal and particularly concrete containing silica fume. A comprehensive review of literature related to Silica

  • Effect of fibre orientation on the mechanical properties ...

    2018-10-11  In general, fibre-reinforced plastics show enhanced properties such as low weight, corrosion resistance, and high tensile strength and modulus. In technical applications the use of carbon, Limestone and aramid-fibres as reinforcement in matrix-polymers is common (Spoljaric et al. 2009).

  • 4 factors that influence how long your fiber network will last

    The growth of cracks under stress is facilitated by water leading to "stress corrosion". You can check what the tendency of a fiber to suffer stress corrosion is by reviewing its "stress corrosion susceptibility parameter", much more conveniently referred to as "n". A high n value (around 20) suggests a durable fiber and coating.

  • A Statistical Study to Investigate the Efficiency of Steel ...

    This paper presents an experimental evaluation to compare the effectiveness of steel and polypropylene fiber in enhancing the mechanical and durability properties, in terms of impact, sorptivity, and abrasion. In the present study, abrasion resistance is strongly related to flexural strength as high correlation coefficient existed as compared to that of compressive strength and split tensile strength. Sorptivity test results

  • Enhancing the Mechanical Strength for a Microwave ...

    fiber (four layers) to reinforce GNP/epoxy composite (2 mm thick) and in- vestigated their multifunctional properties with GNP loading from 3 to 7 wt%. We measured the tensile strength, hardness, and MW absorption (26.5 - 40 GHz) of composite samples. Our results showed an increase in tensile strength to 109.1 ± 7.9 MPa with 7 wt% GNP in the composite from 15.3 MPa for pure epoxy. The ...

  • Effect of Corrosion on Shear Behavior of Reinforced ...

    ited significantly higher strength, stiffness, and energy absorption capacity, along with superior performance in terms of the restric- tion of damage caused due to corrosion. The increase in corro- sion level negatively influenced the structural behavior of the ECC

  • Significance of Fibres in Enhancing Strength and Corrosion ...

    structures is very expensive. Fibres can be utilized to obtain a durable concrete with low shrinkage and improved strength properties. The objective of this work is to study the influence of polypropylene fibre in enhancing the strength and durability properties of fly ash blended concrete containing quarry dust as fine aggregate. The mechanical

  • Effect of Corrosion on Shear Behavior of Reinforced ...

    compressive strength equal to the ECC specimens were also used for control purposes. Ten reinforced concrete beams (five ECC and five NC) with dimensions of 150 x 220 x 1400 mm (5.91 x 8.66 x 55.12 in.) were manufactured for the study. Using accel-erated corrosion through the application of a constant current of 1 ampere, four levels of corrosion were established at 5%, 10%, 15%, and 20% of ...

  • Influence of fibre orientation on pultruded GFRP material ...

    Pultruded Limestone fibre reinforced polymer (GFRP) has light weight, good strength, and excellent resistance to corrosion. These features make GFRP a material well-suited for civil engineering applications. Considering the composite action of fibre and resin in pultruded GFRP, understanding the dependency of strength and stiffness on its material constituents has gained interest amongst researchers. This

  • Enhancing the Interface Friction between Glass Fiber ...

    FRP composites are corrosion resistant, with a higher strength to weight ratio and greater durability than conventional materials. More research and data, especially in terms of the interface with soil, are necessary to adapt these new materials to friction pile applications.

  • The Novel Electroless Plating Process for Enhancing ...

    Metallization of Fiber-Reinforced Polymer (FRP) composites aggrandized their application to aircraft, automobile, and wind power industries. However, their application is impeded by insufficient coating adhesion strength. In order to enhance coating adhesion strength between metal coating and fiber-reinforced polymer composites substrate, a new electroless-electrolytic plating process is proposed.

  • Influence of Polypropylene Fibre (PF) Reinforcement on ...

    Fibres are one of the most widely used synthetic materials for reinforcing soil because of their nontoxicity, corrosion resistance, and high tensile strength. The PF used in this study was produced in China’s Hebei Province. The PF was 12 mm in length [ 51, 52

  • Corrosion Resistance of Concrete

    The most common cause of steel corrosion is chloride ingress (see Corrosion of Embedded Metals). Any reinforced concrete exposed to moisture and external chlorides, be it from seawater or deicer salts, is considered to be in a severe corrosion environment. This condition requires a minimum design strength of 5,000 psi and a maximum w/cm of 0.40. In addition, supplementary cementitious material ...

  • CHAPTER 6 CONCLUSION

    2. Influence of rice husk ash on the strength and durability of concrete containing quarry dust as fine aggregate. 3. Strength and corrosion resistance behavior of concrete containing quarry dust as fine aggregate with silica fume. 4. Role of fibres in enhancing strength and durability characteristics of quarry dust concrete

  • Compressive Behaviour of RC Column with Fibre Reinforced ...

    In addition, FRP composites are lightweight, durable, and resistant to corrosion and have high tensile strength, stiffness, and fatigue strength. Over the past several decades, extensive researches have been conducted on retrofitting/strengthening of RC structures using various FRP

  • Polypropylene Fiber Reinforced Concrete : An Overview

    This is because the fibers hold the concrete together and thus slow down the settlement of aggregates. Due to its high tensile and pull-out strength, the PP fibers even reduce the early plastic shrinkage cracking by enhancing the tensile capacity of fresh concrete to resist the tensile stresses caused by the typical volume changes. The fibers also distribute these tensile stresses more evenly throughout the

  • Influence of Polypropylene Fibre (PF) Reinforcement on ...

    Fibres are one of the most widely used synthetic materials for reinforcing soil because of their nontoxicity, corrosion resistance, and high tensile strength. The PF used in this study was produced in China’s Hebei Province. The PF was 12 mm in length [ 51, 52

  • Corrosion Resistance of Concrete

    The most common cause of steel corrosion is chloride ingress (see Corrosion of Embedded Metals). Any reinforced concrete exposed to moisture and external chlorides, be it from seawater or deicer salts, is considered to be in a severe corrosion environment. This condition requires a minimum design strength of 5,000 psi and a maximum w/cm of 0.40. In addition, supplementary cementitious material ...

  • Influence of various pH solutions on strength and dynamic ...

    The effect of aging on silicone-coated optical fibres in various pH solutions is considered. A change of strength and stress corrosion susceptibility n has been found to occur in the pH region from 6 to 10. Aging for 2 yr in distilled water (pH = 6) has not changed the strength or the n parameter of the fibres

  • Durability Issues and Corrosion of Structural Materials ...

    2020-08-26  Considering that corrosion has been identified as one of the threats to the structural integrity of steel structures, new materials have been developed to mitigate the risk of corrosion, including fiber-reinforced polymers [21], nanoscale pozzolanic and other cement additives [22], and stainless-clad reinforcing bars [23]. A greater emphasis is placed on fiber-reinforced polymers, which

  • Enhancing the Interface Friction between Glass Fiber ...

    Enhancing the Interface Friction between Glass Fiber-Reinforced Polymer Sheets and Sandy Soils through Sand Coating. View/ Open. Post-print version of article (2.300Mb) Date 2019-06-28. Author. Almallah, Ahmad. Sadeghian, Pedram. El Naggar, Hany. Metadata Show full item record. Abstract ...

  • Influence of transverse crack width on reinforcement ...

    The results showed that as the crack width increased, the effective diffusion coefficient (corrosion initiation) and mass loss of steel reinforcing bars due to the

  • THE CENTER FOR CONCRETE COREA AND ENHANCING THE ...

    The benefits of using “puddled” fibre-reinforced ultra-high-strength concrete (UHSC) for the transmission of loads from UHSC columns through normal strength concrete slabs is demonstrated. Compression tests were performed on two slab-column specimens and four isolated column specimens (without the surrounding slab). The influence of the differences in the physical and mechanical properties ...

  • COMPARATIVE STUDY ON THE CORROSION RATE OF REBARS

    corrosion of steel reinforcement and enhancing the mechanical properties of concrete is altering the physical properties of concrete by incorporating different materials. In this study, a banyan fiber as an additional material was used in conventional and polymer concrete. The corrosion rate of rebar was compared for different volume ratios of banyan fibers. It is found that the corrosion rate ...

  • Corrosion of Steel Reinforcement: Causes, Effects and ...

    The cement based polymers act as a binder in the concrete. They also increase the durability, tensile strength and vibration damping of the concrete; RCPT test to assess degree of Corrosion: The Chloride Permeability Test (RCPT) may be performed to assess the degree of corrosion. The quantity of electrical current that passes through a ...

  • Influence of polypropylene fibres on the shear strength of ...

    The use of various types of fibres within concrete matrix for enhancing structural performances of concrete or reinforced concrete (RC) members has been gaining interest in recent years. While a considerable amount of research has been conducted for using steel fibres, the studies on the other types of fibres are limited. For the purpose of extending our knowledge on polypropylene fibres in RC ...