Concrete is defined as high strength concrete solely on the. A mix design provides a starting mix proportions that will have to be more or less modified to meet the desired concrete characteristics. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format. Third, allowable stress design discourages the use of high strength concrete. The american concrete institute aci defines high performance concrete as concrete meeting special combinations of performance and uniformity requirements that cannot always be achieved routinely when using conventional constituents and normal mixing, placing and curing practices. Development of high performance concrete and evaluation of. High performance concrete hpc is usually produced using high quality materials. High performance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. The relatively high initial cost of uhpc has restricted its wider.
For each concrete mixture, specimens were made to evaluate compressive strength, tensile strength, flex ural strength, modulus of elasticity, shrinkage, abrasion. Higher strengths can be produced with the addition of supplementary cementitious materials. Today compressive strengths exceeding 20,000 psi 140 mpa have been used in castinplace buildings. Highperformance concrete an overview sciencedirect topics. This high performance concrete can be utilized in structural rehabilitation and accelerated bridge construction in addition to. Ultra high 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. High performance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. Ultrahigh performance concrete portland cement association. The virginia department of transportation built a highperformance concrete hpc bridge in richlands. Scribd is the worlds largest social reading and publishing site. High performance concrete an overview sciencedirect topics. This book provides the state of the art on recent progress in the high performance concrete applications written by researchers and experts in the field. 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. The materials combination of superior properties facilitates the ability to design thin, complex shapes, curvatures and highly customized textures applications which.
Evaluation of ultra highperformance fiberreinforced concrete celik ozyildirim, ph. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at a particular time and location. High strength concrete must meet high performance standards consistently in order for it to be effective. Cip 33 high strength concrete what is high strength concrete. High performance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods. Development of high performance concrete and evaluation. High strength concrete and high performance concrete are not synonymous because strength and performance of concrete are different properties of concrete. However, a high performance concrete with both high strength and high workability cannot be produced by just these means because lowering the waterbinder ratio leads to lower workability and. The federal highway administration has been engaged in research on the optimal uses of uhpc in the highway bridge infrastructure since 2001 through its bridge of the future initiative. Researchers and engineers are constantly working on improving concrete properties. Ultra high performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and high performance concretes. The beams had a minimum compressive strength of 69. To call concrete high performance implies that it is specialized.
Introduction it is important to note the high strength and highperformance concrete are not synonymous. This report details the laboratory developmental work on producing high performance concrete for highway applications. Concrete is defined as highstrength concrete solely on the. While all high strength concrete is also high performance, not all high performance concrete is high.
Efforts are to improve and develop high performance. Principal research scientist in cooperation with the u. Ultra high performance concrete uhpc is an advanced construction material that affords new opportunities for the future of the highway infrastructure. Unfortunately, many specifications are a combination of performance. Table 172 lists properties that can be selected for highperformance concrete. Department of transportation federal highway administration virginia center for transportation innovation and research a partnership of the virginia department of transportation. Hpc concretes are usually designed using materials other than cement alone to achieve these requirements, such as flyash from the coal burning process, ground blast furnace slag from the steel making process, or microsilica fume from the reduction of high quality quartz in an electric arc furnace. Aashto, abrasion resistance, admixtures, aggregates, airentrained concrete, air void analyzer, alkalicarbonate reactivity, alkalisilica reactivity, asr, astm, bridge, cement, cementitious materials, chemical admixtures, chloride ion pene. Ultrahigh performance concrete fhwa us department of. These materials may cost more than materials of lower quality. The strength, durability, resistance to chemical attack, and workability of high performance concrete are high. Evaluation of ultrahighperformance fiberreinforced concrete. Guide specification for high performance concrete for bridges. Jun 28, 2016 ultra high 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.
We are dedicated to the exchange of practical, realworld knowledge and solutions, construction project information and performance history throughout the high performance concrete community to better meet the needs of our customers and partners. The properties commonly modified are the heat of hydration, accelerate or retard setting. Table 172 lists properties that can be selected for high performance concrete. High performance concrete hpc is a relatively new term for concrete that conforms to a set of standards above those of the most common applications, but not limited to strength. High strength concrete is defined based on its compressive strength at a given age whereas high performance concrete is defined based on. 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 project. 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. Civil engineering animated videos, civil engineering videos socia. A mix design procedure for high performance concrete mixes has been presented in this paper. Material property characterization of ultra high performance concrete publication no. High performance concrete is a concrete having high strength, high durability, high resistance to chemical attack and high workability. High performance concrete hpc is that which is designed to give optimised performance characteristics for the given set of materials, usage and exposure conditions, consistent with requirement of cost, service life and durability. Though the recent advancements have dominated the barriers of the preparation of high. Apr 21, 2015 concrete is the most widely used construction material in india with annual consumption exceeding 100 million cubic meters.
High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. Density and strengths can be controlled to meet specific structural and. Recommended extensions to the model code 90 research needs. The book will be valuable for all concrete technologists and construction engineers wishing to take. Fhwa uhpc is a cementitious composite material composed of an optimized gradation of granular constituents, a watertocementitious materials ratio less than 0.
Not all properties can be achieved at the same time. Making of high performance concrete, which is chiefly used as a building material in the major and mega infrastructure and projects, is a very big task. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Jun 30, 2018 this video animation, animated video explains the concept of high performance concrete. The main activities for controlling quality on site are placing, compaction, curing and surface finishing. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. Development of high performance concrete and evaluation of construction joints in concrete floating bridges development of high performance concrete and evaluation of construction joints in concrete floating bridges by rafik itani, eyad masad, bart balko and brian bayne washington state transportation center trac. It covers all aspects of hpc from materials, properties and technology, to construction and testing. Pdf high performance concrete by pierreclaude aitcin book.
High performance concrete hpc is produced by careful selection and proportioning of its constituents namely cement, sand, gravel, cementitious materials such as fly ash. Apr 08, 2015 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. Floating bridge concrete must be watertight, durable, workable, and must have sufficient cohesiveness to prevent segregation in heavily congested. High performance cellular concrete high performance cellular concrete hpcc has all the properties of cellular concrete and can achieve 55. In other words all the mechanical properties of concrete are superior in a high performance concrete. High performance concrete the development of high performance concrete hpc is a giant step in making concrete a high tech material with enhanced characteristics and durability. The term ultrahigh performance concrete uhpc refers to a relatively new. Pdf high performance concrete by pierreclaude aitcin.
Guide specification for high performance concrete for bridges ii keywords. Fhwahrt06103 august 2006 research, development, and technology turnerfairbank highway research center 6300 georgetown pike mclean, va 221012296. Ultrahigh performance concrete research papers academia. Highperformance concrete hpc exceeds the properties.
High performance concrete seminar report, ppt, pdf for. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40. The objective of this study is to analyse the performance of microsilica and fly ash in concrete when it is mixed in cement concrete for workability and strength of concrete using opc 53 grade. High strength and high performance concrete materials and. National precast concrete association 3 introduction a s a material on the leading edge of concrete innovation, ultra high performance concrete uhpc provides a new technology to expand a precasters business with new products and solutions. Pdf development of high performance concrete with locally. High performance concrete technology and applications. Strength and durability of high performance concrete. Constructing a high performance concrete slab for durability and performance, isolate the slab from the earth. High performance concrete seminar ppt with pdf report. View ultra high performance concrete research papers on academia. High performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. This concrete contains one or more of cementious materials such as fly ash, silica fume or ground granulated blast furnace slag and usually a super plasticizer.
Over decades, attempts have been made to obtain concrete with certain desired characteristics such as high compressive strength, high workability, and high performance and durability parameters to meet the requirement of complexity of modern structures. Ever since the term high performance concrete was introduced into the industry, it had widely used in large scale concrete construction that demands high strength, high. Pdf over the last twenty years, remarkable advances have taken place in the research and application of ultrahigh performance concrete. Introduction it is important to note the highstrength and highperformance concrete are not synonymous. High performance concrete specifications ideally should be performance oriented. Chaallal, use of ground slag in high performance concrete, in high strength concrete, vol. High strength concrete and high performance concrete happho. Site experience indicates that more compaction is normally needed for high strength concrete with high. Ultrahigh performance concrete uhpc is an advanced construction material that affords new opportunities for the future of the highway infrastructure. Hpc is a concrete mixture which possess high workability, high strength, high. These constituents drastically increase the initial cost of hpc, thus hindering its more widespread usage. This page contains high performance concrete seminar and ppt with pdf report. Ultra high performance concrete uhpc is a new class of concrete that has been developed in recent decades for its exceptional properties of strength and durability.
Uhpc 101 ben graybeal, fhwa february 2017 what is ultrahigh performance concrete. In some instancesssuch as when concrete can obtain high early strength. Since rheological parameters and compressive strength are fundamental properties of concrete in two different stages of production, the correlation between rheological parameters and compressive strength has been used instead of using watercement ratio versus compressive strength relationship. Pdf strength and durability of high performance concrete. Welcome to the federal highway administrations high performance concrete exchange community of practice. High performance concrete hpc can go a long way in addressing concerns about providing more durable and longer lasting concrete as well as meeting strength and other performance related criteria. High performance concrete is defined as a concrete that meets special combination of performance and uniformity requirements that cannot always be achieved routinely using conventional constituents and normal mixing, placing, and curing practice.
Since rheological parameters and compressive strength are fundamental properties of concrete in two. In this paper we propose a model to evaluate the compressive. Pdf high performance concrete hpc is an advanced type of concrete that can enhance the durability and resilience of concrete structures. Jun 11, 2010 high performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. Also explore the seminar topics paper on high performance concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Aashto, abrasion resistance, admixtures, aggregates, airentrained concrete, air void analyzer, alkalicarbonate reactivity, alkalisilica reactivity, asr, astm, bridge, cement, cementitious materials. Uhpc is being considered for use in a wide variety of highway infrastructure applications. High performance concrete is a concrete in which certain characteristics are developed for a particular application and environment, so that it will give excellent performance in the structure in which it will be placed. Highperformance concrete specifications ideally should be performance oriented. The results show that partial cement replacement up to 20% produce, higher compressive strengths than control concretes, nevertheless the strength gain is less than 15%. This concrete contains one or more of cementious materials such as fly ash, silica fume or ground granulated blast. Pdf high performance concrete ijirst international. While high strength concrete aims to enhance strength and consequent advantages owing to improved strength, the high performance concrete hpc is used to refer concrete of required performance for the majority of construction applications. The compressive strength of silica fume concretes was investigated at low watercementitious materials ratios with a naphthalene sulphonate superplasticizer.
The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. The compressive strength of highperformance concrete and. This high performance concrete can be utilized in structural rehabilitation and accelerated bridge construction in addition to several other. This video animation, animated video explains the concept of high performance concrete. A pdf file on high performance concrete giving full details about high performance concrete, their use,advantages,disadvantages,strength. There are several advantages of high performance concrete hpc application in building construction which are not achievable using conventional concrete. The definition of high performance concrete utilized for the project includes high strength concrete, workability, and durability. Guide specification for highperformance concrete for bridges ii keywords. The allowable concrete tensile stress used in flexural design of hpc girders should be limited to 6. The american concrete institute aci defines hpc as concrete which meets. High performance concrete hpc is a specialized series of concrete designed to provide several benefits in the construction of concrete structures that cannot always be achieved routinely using conventional ingredients, normal mixing and curing practices.
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