A mix design procedure for highperformance concrete mixes has been presented in this paper. To determine the modulus of elasticity of concrete precisely is very important for structures that require strict control of the deformability. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40 mpa or greater. Ultra high performance concrete uhpc is defined as concrete that has a minimum specified compressive strength of 150 mpa with specified durability tensile ductility and toughness requirements. 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. The first north american broad based structural design guide. Cip 33 high strength concrete what is high strength concrete.
With the aim of achieving a specified compressive strength of 20 ksi, a uhpc mixture is formulated. Highperformance means that the concrete has one or more of the following properties. High performance concrete free download as powerpoint presentation. Aci encourages the development and appropriate use of new and emerging technologies through the publication of emerging technology reports. International codes propose a wide variety of formulae which establish a relationship between modulus of elasticity and compressive strength. Team leader bridge engineering research federal highway administration 2024933122 benjamin.
All these studies are limited to the normal strength concrete, and the research in the area of high performance concrete hpc and steel fibre reinforced high performance concrete sfrhpc beamcolumn joints is limited. High performance vs high strength concrete concretebasics. Ultra high performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and high performance concretes. High performance concrete american concrete institute. It is a type of high performance concrete generally with a specified. Stateoftheart report on high strength concrete, aci 363r. The authors have tried to make this guide specification for high performance concrete bridgesa concise and current reference on hpc technology. The strength, durability, resistance to chemical attack, and workability of high performance concrete are high. Pdf high performance concrete hpc has been used more. Pdf properties of high performance concrete containing high.
Uhpc is being considered for use in a wide variety of highway infrastructure applications. 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. High performance concrete seminar report, ppt, pdf for. 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%. High performance concrete is defined 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, as per aci code. The compressive strength of silica fume concretes was investigated at low watercementitious materials ratios with a naphthalene sulphonate superplasticizer. In 1954 the method was revised to include, among other modifications, the use of entrained air. The compressive strength of highperformance concrete and. Pdf high performance concrete by pierreclaude aitcin. 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. Seismic performance of lightweight concrete structures swamy nadh vandanapu and muthumani krishnamurthy. These 11 papers contained in this special publication were presented at the aci spring convention in chicago, ill.
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. Seismic behavior of ultra high performance fiberreinforced concrete moment frame members chao et al. The american concrete institute aci defines highperformance 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. Most of these codes are valid up to 50 mpa, the usual limit for normal concretes. American concrete institute method of mix design aci 211.
High strength concrete and high performance concrete. Highperformance concrete is defined 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, as per aci code. Aci 239c structural design of ultrahigh performance concrete uhpc subcommittee was formed in 2015 with the midterm goal of developing a new structural design guide for uhpc. In this paper we propose a model to evaluate the compressive. Aci, aashto, code developments, high performance concrete, highstrength concrete, nchrp. Symposium on ultrahigh performance fibrereinforced concrete. Unfortunately, many specifications are a combination of performance. It covers all aspects of hpc from materials, properties and technology, to construction and testing. Aci publication sp180, bond and development of reinforcement, 1998. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. John gajda, ctlgroup, for providing the photos of thermal cracking in mass concrete. Sustainable high performance concrete buildings asce structural engineering congress, april 2008.
The objective of this report is to introduce uhpc through a brief overview of production, properties, design, and applications. The authors concluded that the american concrete institute aci 318. Highperformance concrete specifications ideally should be performance oriented. Jun 11, 2010 high performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. Concrete mix design sanjay ghodawat group of institutions. The modulus of elasticity of high performance concrete. Conventional concrete and high performance concrete have not only quite different compressive strength but also significantly different microstructures quite different shrinkage behavior and significantly different overall performances. In other words all the mechanical properties of concrete are superior in a high performance concrete. American concrete institute aci defined high performance concrete as a concrete which meets combinations of performance and uniformity requirements that cannot be achieved routinely using conventional constituents and normal mixing, placing, and curing practices. Ultrahigh performance concrete uhpc is an advanced construction material that affords new opportunities for the future of the highway infrastructure. According to henry russell, aci defines high performance concrete as concrete that meets special performance and uniformity requirements that cannot always be achieved routinely.
Hemrick oak ridge national lab maria guimaraes electrical power research institute project monitoring team. Research article flexural strength evaluation of reinforced concrete members with ultra high performance concrete baekilbae, 1 hyunkichoi, 2 andchangsikchoi 3 research institute of industrial science, hanyang university, haengdangdong, seongdonggu, seoul, republic of korea. Since rheological parameters and compressive strength are fundamental properties of concrete in two. Highperformance, highflow concrete patch description mapecem quickpatch is a versatile, fastsetting, cementitious material used for the patching of interiorexterior concrete surfaces including concrete floors, driveways, sidewalks and concrete pads. Techbrief bond behavior of reinforcing steel in ultrahigh. Guide specification for high performance concrete for bridges. Researcharticle seismic performance of lightweight. There are several advantages of high performance concrete hpc application in building construction which are not achievable using conventional concrete. High performance concrete is necessary for the construction. 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.
A mix design procedure for high performance concrete mixes has been presented in this paper. This report presents the development of ultra high performance concrete uhpc using locally available materials thatreduce construction costs compared with commercial products. Table 172 lists properties that can be selected for highperformance concrete. In 1998, the technical activities committee and its subcommittee on highperformance concrete derived and approved an official aci definition. The authors have tried to make this guide specification for highperformance concrete bridgesa concise and current reference on hpc technology. Introduction high strength concrete hsc is often utilized as a costeffective design solution in the lower stories of high rise buildings. Traditionally, high performance concrete hpc may be regarded as synonymous with. Research article flexural strength evaluation of reinforced. 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. Apr 21, 2015 concrete is the most widely used construction material in india with annual consumption exceeding 100 million cubic meters. Highperformance concrete hpc exceeds the properties and constructability of. The guide to specifying concrete performance concrete infocus, summer 2008. Pdf over the last twenty years, remarkable advances have taken place in the research and application of ultrahigh performance concrete. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format.
In 1970, the method of mix design became the responsibility of aci committee 211. High performance concrete specifications ideally should be performance oriented. Under the guidelines of the american concrete institute aci an emerging technology report etr on the structural design of ultrahigh performance. 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. Ultrahighperformance concrete american concrete institute. Ultrahighperformance concrete and advanced manufacturing methods for modular construction neet1 annual meeting september 29, 2015 research team y. High performance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. Table 172 lists properties that can be selected for high performance concrete. His research interests include construction materials, reinforced concrete structures, steel structures and rehabilitation of old structures. A pdf file on high performance concrete giving full details about high.
High performance concrete and its applications in the field. In general, when fibres are added to concrete, tensile strain in the neighbourhood of fibres improves significantly. These documents present information and recommendations based on available test data, technical reports, limited experience with field applications, and the opinions of committee members. High performance concrete is a concrete having high strength, high durability, high resistance to chemical attack and high workability. Not all properties can be achieved at the same time. The anchor performance categories are used by aci 318 to as. High performance concrete strength of materials concrete. Guide for design of jointed concrete pavements for streets and local roads aci 325. High strength and high performance concrete materials and.
The incorporation of fa in concrete is not new, began in the 1930s in the usa aci committee 232, 1996, and the effects of fa in concrete performance are sufficiently understood and well. Hence any grade of concrete with waterbinder ratio less than 0. The book will be valuable for all concrete technologists and construction engineers wishing to take. Ultrahigh performance concrete fhwa us department of. Specifying fly ash for use in concrete concrete infocus, spring 2008. Do fibers increase tensile strength of cementbased. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. The term ultrahigh performance concrete uhpc refers to a relatively new. Ultrahighperformance concrete and advanced manufacturing. Seismic behavior of ultrahighperformance fiberreinforced.
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