durability performance of high strength concrete

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Durability performance of high strength concrete ...

Jan 01, 2020  Durability related properties, such as carbonation test, water permeability test, resistance to chloride-ion penetration and electrical resistivity, were determined. The effects of supplementary cementitious materials such as fly ash and alccofine on durability properties of high-strength concrete have been demonstrated.

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(PDF) Strength and Durability of High Performance Concrete ...

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 05 Issue: 02 Feb-2018 irjet p-ISSN: 2395-0072 Strength and Durability of High Performance Concrete R.Vivek1, K .Thamizh thendral2, Dr. G.Dhanalakshmi3 1ME(Structural Engineering) Dept. of Civil Engineering, Oxford Engineering College Tiruchirappalli, Tamilnadu, India 2Assistant Professor ...

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Strength and Durability of High Performance Concrete

Key Words: High- Performance, Silica Fume, Admixture, High – Strength, Durability 1.INTRODUCTION High-performance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods. Ever since the term high-performance concrete was

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Durability of High Strength Concrete

Apr 01, 1987  Entrained air contents, measured in the fresh concrete, of 3 to 4 percent were found to be necessary to assure adequate durability when concretes were subjected to freezing and thawing in water. However, moist-cured, air-entrained, high-strength concretes, prepared at 8000 and 10,000 psi (55 and 69 MPa), while performing satisfactorily with ...

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Durability Index Performance of High Strength Concretes ...

Jun 12, 2012  A consortium of three durability index test methods consisting of oxygen permeability, sorptivity and chloride conductivity were used to evaluate the potential influence of four (4) common SANS 10197 cements on strength and durability of concrete. Twenty four (24) concrete mixtures of water-cement ratios (w/c's) = 0.4, 0.5, 0.65 were cast using the cement types CEM I 42.5N, CEM II/A

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STRENGTH AND DURABILITY PROPERTIES OF HIGH

High Performance Concrete in general contains high powder content and mineral admixtures like GGBFS, fly ash, Met kaolin, Silica fume etc. The strength and durability properties of HPC are mainly affected by the use of these mineral admixtures mainly due to their filler effect and Pozzolonic reaction [15, 16]. Silica fume is a by

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Durability of High Strength Concrete

Entrained air contents, measured in the fresh concrete, of 3 to 4 percent were found to be necessary to assure adequate durability when concretes were subjected to freezing and thawing in water. However, moist-cured, air-entrained, high-strength concretes, prepared at 8000 and 10,000 psi (55 and 69 MPa), while performing satisfactorily with ...

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Strength and Durability of High Performance Concrete

High – Strength, Durability. 1.INTRODUCTION . High-performance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods.

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MECHANICAL AND DURABILITY PROPERTIES OF HIGH

High Strength Concrete Containing Different Types of Fibers” carried out on Ultra-high performance concrete (UHPC) is a special type of concrete with extraordinary potentials in terms of strength and durability performance. Its production and

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Comparison of the strength and durability performance of ...

In HSC, 30% PFA replacement, while in NSC, 40% GGBS replacement gives the best strength and durability performance at elevated temperatures.These results also show a severe loss of durability as compared to the compressive strength, and indicate that even after the fire, if concrete retains a high proportion of its original compressive strength ...

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Concrete Strength and Concrete Durability, Are they ...

Sep 22, 2017  Strength should be specified only as a requirement needed to allow the structure withstanding against the loads applied and not as a durability performance indicator. The high strength concrete ...

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High-Performance Concrete, Chapter 17 - Memphis

High-Performance Concrete • High modulus of elasticity • High abrasion resistance ... ample, a normal strength concrete with very high durability and very low permeability is consid-ered to have high-performance properties. Bickley and Fung (2001) demonstrated that 40

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High Strength Concrete and High Performance Concrete -

High Performance Concrete. High performance concrete is a concrete having high strength, high durability, high resistance to chemical attack and high workability. In other words all the mechanical properties of concrete are superior in a high performance concrete. Though strength has been the major concern in a concrete mix, gradually the ...

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EXPERIMENTAL INVESTIGATION ON STRENGTH AND

This research work focuses on strength and durability characteristics of M4 0 grade concrete with replacement of cement by GGBS with 10%, 20%, 30%, 40% and

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Ultra-High Performance Concrete: Mechanical Performance ...

Keywords: ultra-high performance concrete, workability, mechanical properties, durability, sustainability, application. 1. Introduction Ultra-high performance concrete (UHPC) is a novel con-struction material exhibiting enhanced mechanical and durability properties, which can

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Ultra-High Performance Concrete

Ultra-High Performance Concrete (UHPC) is a cementitious, concrete material that has a minimum specified compressive strength of 17,000 pounds per square inch (120 MPa) with specified durability, tensile ductility and toughness requirements; fibers are generally included in the mixture to achieve specified requirements.

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Effect of Fiber, Cement, and Aggregate Type on Mechanical ...

Ultra-High Performance Concrete (UHPC) is a new class of concrete that differentiates itself from other concrete materials due to its exceptional mechanical properties and durability. It has been used in structural rehabilitation and accelerated bridge construction, structural precast applications, and several other applications in the past ...

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Performance Assessment of Ultra-High Durability Concrete ...

May 28, 2021  The purpose of the work reported in this paper is to assess the performance of recycled ultra-high durability concrete (R-UHDC), produced using different fractions of recycled aggregate obtained from crushed ultra-high durability concrete (UHDC), as a substitute for the natural aggregate. Four different recycled ultra-high durability concrete (R-UHDC) mixes were designed and

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Durability Index Performance of High Strength Concretes ...

Jun 12, 2012  A consortium of three durability index test methods consisting of oxygen permeability, sorptivity and chloride conductivity were used to evaluate the potential influence of four (4) common SANS 10197 cements on strength and durability of concrete. Twenty four (24) concrete mixtures of water-cement ratios (w/c's) = 0.4, 0.5, 0.65 were cast using the cement types CEM I 42.5N, CEM II/A

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Durability index performance of high strength concretes ...

1 Durability index performance of high strength concretes made basing on different standard Portland cements Stephen O. Ekolua and Sheena Muruganb aSchool of Civil and Environmental Engineering, University of the Witwatersrand, Private Bag 3, WITS 2050. [email protected], Tel. +27117177104/21, Fax.+27117177045

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Strength and Durability of High Performance Concrete

High – Strength, Durability. 1.INTRODUCTION . High-performance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods.

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DURABILITY PROPERTIES OF HIGH PERFORMANCE

strength, durability, adaptability and availability.Till recently the strength of concrete was the principal criterion for the performance of concrete structures. Unacceptable rates of deterioration of recently built concrete structures indicate that the strength criterion is no longer adequate to judge the performance of concrete.

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Strength and Durability of High Performance Concrete

most useful material in civil work. High Performance Concrete is a concrete that possess some special characteristics such as high durability, high workability and if necessary, stronger than conventional concrete. High performance concrete reduces the CO2 level and make environment green. With the use of water reducing

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High Performance Concrete: Strength, Durability and ...

high performance concrete has been used for high-rise commercial buildings, with the prominent success in reducing the structural member size and thus increasing the usable floor area. Other than strength, the cutting edges of high performance concrete on durability and workability also meet our needs in some of our projects deep underground ...

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Performance Assessment of Ultra-High Durability Concrete ...

May 28, 2021  The purpose of the work reported in this paper is to assess the performance of recycled ultra-high durability concrete (R-UHDC), produced using different fractions of recycled aggregate obtained from crushed ultra-high durability concrete (UHDC), as a substitute for the natural aggregate. Four different recycled ultra-high durability concrete (R-UHDC) mixes were designed and

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Durability performance and microstructure of binary ...

May 28, 2021  High-performance concrete (HPC) is a relatively recent advancement in cementitious composite materials with mechanical and durability properties which far exceed those of conventional concrete. Three different binary blends of HPC mixes utilizing distinctive supplementary cementitious materials at various substitution rates with ordinary Portland cement have been designed and cast to

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High-Performance Concrete, Chapter 17 - Memphis

High-Performance Concrete • High modulus of elasticity • High abrasion resistance ... ample, a normal strength concrete with very high durability and very low permeability is consid-ered to have high-performance properties. Bickley and Fung (2001) demonstrated that 40

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High Strength and High Performance Concrete Materials and ...

High-strength concrete is defined based on its compressive strength at a given age whereas high-performance concrete is defined based on performance criteria namely: high durability, high strength, and high workability. High-performance concrete is defined as a concrete that meets special combination of performance and uniformity requirements ...

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Reinforced Concrete:High-Strength Steel Fiber Reinforced ...

An experimental investigation was carried out to assess the durability performance of high-strength steel fiber reinforced concrete (HSFRC) for water to cement material ratios

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Improved Durability of High-Strength Concrete Due to ...

Jul 01, 1997  The recommendations concerning curing of high-strength concrete are contradictory. The traditional ways of curing fail in the case of high strength concrete. A higher porosity in the vicinity of edges, microcracks due to self desiccation and shrinkage, and reduced compressive strength affect the durability of high performance concrete.

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High Performance Concrete Topic

Jul 01, 2021  High-performance concrete (HPC) is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. HPC mixtures are composed of essentially the same materials as conventional concrete mixtures, but the proportions are designed, or engineered, to provide the strength and durability needed for the structural and environmental

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EFFECT OF SCMs ON THE DURABILITY PROPERTIES OF HIGH ...

efficiency and durability performance. Addition of supplementary cementitious materials (SCMs) is one of the way to improve the durability performance of concrete.The present study aims to identify the influence of silica fume and metakaolin on the performance of the high strength lightweight aggregate concrete.

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