The cube compressive strength results of high performance concrete mixes at the ages of 7, 14, 28 days are presented in table 7. The new developments in the field of highperformance concrete represent a giant step toward making concrete a hightech material with enhanced characteristics and durability. High strength and high performance concrete materials and. Durability studies on high strength high performance concrete 2 of chlorides has become very important for evaluating the longterm performance of concrete structures 67. High performance concrete reduces the co2 level and make environment green. 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 requirements of the. Regardless of the curing treatment applied, this concrete exhibits significantly enhanced durability properties as compared to normal and high performance concretes. Lifetime prediction of highperformance concrete with respect to durability 20012004 2 and is located in. Pdf durability properties of high performance foamed. High performance concrete seminar and ppt with pdf report.
Pdf strength and durability of high performance concrete irjet. International research journal of engineering and technology irjet eissn. Mechanical behavior of highperformance concrete under thermal. There are several applications of highperformance concrete in the field of civil engineering due to its superior properties such as high strength and good durability. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. Along with durability test data, some physical and chemical properties of the ash are also presented and discussed. Guide specification for highperformance concrete for bridges ii keywords. When the structural element is not subject to durability concerns, specified compressive strength is the preferred performance criteria. Strength and durability of high performance concrete irjet. Article information, pdf download for effect of curing methods on durability of. Hpc specimens were tested for initial surface absorption, water absorption, sorptivity and chloride ion permeability. Comparatively speaking, greater empha sis is usually paid to the strength and workability of the concrete mixture while durability has never been given much.
Mechanical properties and durability of high performance. Hpc typically has very low permeability to air, water, and chloride ions. Performancebased specification and control of concrete durability performancebased specification and control of concrete durability, proceedings pro089. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. Concrete can be damaged by many processes, such as the freezing of trapped water. The paper presents experimental studies conducted on hpc mix of m60 grade using silica. The first station was established within the eu 5 th framework project conlife. Also explore the seminar topics paper on analysis of durability of high performance concrete using artificial neural networks with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for. Durability of high performance concrete hpc subject to. While high strength concrete is defined purely on the basis of its compressive strength, mehta and aitcin defined the highperformance concrete hpc as concrete mixtures possessing high workability, high durability and high ultimate strength. High performance concrete the development of high performance concrete hpc is a giant step in making concrete a hightech material with enhanced characteristics and durability. Mechanical properties and durability of high performance concrete. Applications of highperformance concrete in civil engineering. Therefore, permeation of concrete is one of the most critical parameters in the determination of concrete durability in aggressive environments.
Hpc may be defined as any concrete that provides enhanced performance characteristics for a. As the first step, an optimum aggregate gradation for 20 mm size aggregates, derived from packing density test results, is proposed. From material point of view, hpc become possible mainly. Concept of high performance concrete hpc has thus been evolved. Study on durability of high performance concrete with industrial wastes. Highperformance concrete hpc is usually produced using high quality materials. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Highperformance concrete almost always has a higher strength than normal concrete. Explore analysis of durability of high performance concrete using artificial neural networks with free download of seminar report and ppt in pdf and doc format.
Strength and durability of high performance concrete. Constructing a highperformance concrete slab foundations. Pdf high performance concrete by pierreclaude aitcin. Durability of concrete may be defined as the ability of concrete to resist weathering action, chemical attack, and abrasion while maintaining its desired engineering properties. This report details the laboratory developmental work on producing high performance concrete for highway applications. This page contains high performance concrete seminar and ppt with pdf report. The definition of high performance concrete utilized for the project includes high strength concrete, workability, and durability. High strength concrete containing different types of fibers carried out on ultrahigh performance concrete uhpc is a special type of concrete with extraordinary potentials in terms of strength and durability performance. This study therefore investigates the performance of banana fibre reinforced concrete with and without fly ash as. In recent years, the effect of glass fibres in hybrid mixtures has been investigated for highperformance concrete hpc, an emerging technology termed, which has become popular in the. Evaluation of ultrahighperformance fiberreinforced concrete. The relatively high initial cost of uhpc has restricted its wider.
A survey study on durability of highperformance concrete. The ns will, additionally, also increase the product properties of fresh concrete like workability and the properties in hardened state too, thus enabling the development of high performance. High performance concrete is a concrete mixture, which possess high durability and high strength when compared to. The development of compressive strength of m60 grade of hpc mixes containing 2. The dense pore structure of highperformance concrete makes it so impermeable hsc is considerably more brittle. The term ultrahigh performance concrete uhpc refers to a relatively new class of advanced cementitious composite materials whose mechanical and durability properties far surpass those of conventional concrete. The difference between these two approaches can be illustrated by looking at durability. Highperformance concrete hpc exceeds the properties. Mpa 6,000 psi highperformance concrete for bridges could be ecofig.
Production of high performance concrete the british standards are utilized as a basis for the contract documents and high performance concrete was used significantly in the project. The requirements of hpc include high compressive strength, durability requirements such as lower shrinkage and porosity, impermeability, resistance to chloride attacks etc. Ever since the term highperformance concrete was introduced into the industry, it had widely used in largescale concrete. Durability performance of nanosilica based high performance concrete jashanpreet singh narang1, aditi chauhan2, umesh kumar sharma2, rajib chowdhury 2 1. Ravikumar and thandavamoorthy 17 showed that glass fibre reinforced concrete performed better than plain concrete in terms of fire resistance. Highperformance concrete is often nomically made while used in bridges left and tall buildings right. Kumar assistant professor department of civilengineering, shivani engineering college,trichy, india abstracta high performance concrete is something which demands much higher performance from concrete as. It normally refers to the duration or life span of troublefree performance. Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. However, it was also reported that pcc ash has a positive effect on the longterm mechanical properties and durability of concrete but adversely affects early strength. Guide specification for high performance concrete for bridges. Effect of curing methods on durability of highperformance concrete.
The use of ns makes concrete financially more attractive and reduces the co2 footprint of the produced concrete products. As the strength and behaviour of hpc is a function of the aggregate characteristics and mineral as well as chemical admixture content, there is a need to reinvestigate the most. Introduction highperformance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods. Moreover, the use of high performance concrete in tunnel structures, subject to high loads with possibility of extreme loads occurrence such as fire, has an increasing significance. Durability parameters such as water absorption and chloride penetration are to be studied. It covers all aspects of hpc from materials, properties and technology, to construction and testing. Pdf durability of an ultra highperformance concrete. Aashto, abrasion resistance, admixtures, aggregates, airentrained concrete, air void analyzer, alkalicarbonate reactivity, alkalisilica reactivity, asr, astm, bridge, cement, cementitious materials. Highperformance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means.
High performance concrete seminar ppt with pdf report. For ex ample, a normal strength concrete with very high durability and very low permeability is consid ered to have high performance properties. Strength and durability of high performance concrete using. Evaluation of ultrahighperformance fiberreinforced concrete celik ozyildirim, ph. The durability of a structure is its ability to serve its intended purposes for a. Durability of low cost high performance fly ash concrete a. Commercially used aerated silicate low density concrete has the least durability 10 cycles, but fc produced in turbulence mixer has frost resistance 100 cycles, which is comparable with normal concrete. Highperformance concrete hpc is a concrete mixture, which possesses high durability and high strength when compared to conventional concrete 1. Department of civil engineering, punjab engineering college, chandigarh, india. Its production and application implement the most uptodate knowledge and technology of concrete manufacturing. Aci defined highperformance concrete as a concrete meeting special combinations of performance and. Durability of low cost high performance fly ash concrete. Ultrahigh performance concrete uhpc is a novel construction material exhibiting enhanced mechanical and durability properties, which can lead to economical construction through reducing the crosssections of structural members with associated materials savings and lower installation and labor costs tang 2004. Optimizing durability of the high performance nano.
Highperformance concrete an overview sciencedirect topics. A design consideration for durability of highperformance concrete. The durability performances considered in this paper are resistance to heat rise, carbonation, and resistance to aggressive chemicals like chloride and acid attack. Constructing a highperformance concrete slab for durability and performance, isolate the slab from the earth. This paper focusses on the influence of aggregate gradation, cement content, micro silica and superplasticiser on durability of high performance concrete hpc. The use of high performance fc with improved durability increases exploitation time and duration of. Of particular interest is high performance concrete lipc which is widely used as a construction and repair material. Constructing a highperformance concrete slab jlc online. Pdf durability evaluation of normal and high performance. Advanced cementitious material high strength, high stiffness exceptional durability internal steel fiber reinforcement for added ductility selfconsolidating uhpc, uhpfrc, rpc ductal, coretuff, bsi, densit, cemtec, compressive strength 18 to 35 ksi. This class of concrete has been demonstrated to facilitate solutions that address specific problems in the u. Concrete, as a structural material and as the building exterior skin, has the ability to withstand natures normal deteriorating mechanisms as well as natural disasters.
Since high resistance to chloride penetration can be. Principal research scientist introduction the virginia department of transportation vdot routinely uses highperformance concrete hpc in its structures. Engineering, durability, and sustainability properties. Analysis of the test data indicates that the silica powder content has little influence on these performance criteria. Curing of concrete plays a major role in developing the concrete microstructure and pore structure, and hence improves its durability and performance. In the recent years a tendency for design of increasingly slender structures with the use of high performance concrete has been observed. By chris laumergiddens download the pdf version of this article. These high quality constituents drastically increase the initial cost of hpc, hence hindering its more widespread use. The highperformance concrete has been used in the construction of bridges, hydropower structures, pavements, bridges, highdensity. In the new millennium, concrete incorporating selfcuring agents will represent a new trend in the concrete construction. However, strength is not always the primary re quired property. Due to the high alkalinity of concrete it has always.
Pdf in the recent years a tendency for design of increasingly slender structures with the use of high performance concrete has been observed. Moreover, little is known about the effect of curing on the longterm durability of hpc. High performance concrete is a concrete that possess some special characteristics such as high durability, high workability and if necessary, stronger than conventional concrete. Pdf this investigation was carried out to evaluate the compressive strength and durability properties of high performance concrete containing.
Optimizing durability of the high performance nanoconcrete applying taguchi method and desirability function elahe abbasi office of standards and surveys monitoring statistical centre of iran tehran, iran e. Bayasi and zhou7 found that silica fume reduced concrete permeability and improved the compressive strength significantly. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. The durability of a commercially available uhpc was independently evaluated through six standardized durability tests and the results are reported herein. Different concretes require different degrees of durability depending on the exposure environment and properties desired. The book will be valuable for all concrete technologists and construction engineers wishing to take. As the first step, an optimum aggregate gradation for 20 mm size aggregates, derived. Durability properties of high performance foamed concrete. Pdf strength and durability of high performance concrete. Durability of concrete types of durability and factors. High performance concrete is defined as concrete with much higher early strength and greatly enhanced durability against freezing and thawing in comparison with conventional concrete.
Analysis of durability of high performance concrete using. Airentrained concrete with a low watercementitious ratio and an air content of 5 to 8% will withstand a great number of cycles of freezing and thawing without distress. Advanced cementitious material high strength, high. Pdf durability of high performance concrete hpc subject to. The durability and service life of concrete exposed to weather is related to the permeability of the cover concrete protecting the reinforcement. Durability of reinforced concrete structures,theory vs.
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