Applications and limitations of highstrength concrete in. High performance concrete used hpc in this study was produced by partial replacement of ordinary portland cement opc with metakaolin and fly ash. 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. 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. For ex ample, a normal strength concrete with very high durability and very low permeability is consid ered to have high performance properties. 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. Cip 33 high strength concrete what is high strength concrete it is a type of high performance concrete generally with a specified compressive strength of 8,000 psi 55 mpa or greater. High performance concrete and its applications in the field.
Finally, recent activities of organized research and development programs on high performance concrete in different countries are described. Furthermore, apart from mechanical properties, the durability of high performance concretes concerning the most common harmful ions sulfate, chloride, and seawater is also improved. 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. Over the last twenty years, remarkable advances have taken place in the research and application of ultra high performance concrete uhpc, which exhibits excellent rheological behaviors that include workability, selfplacing and selfdensifying properties, improved in mechanical and durability performance with very high compressive strength, and nonbrittleness behavior. Fundamentals of highperformance concrete, 2nd edition. Other laboratory and field studies have shown that shrinkage of high performance concrete is similar to that of lower strength concrete. Fundamentals of high strength high performance concrete concrete design and construction series e. Today compressive strengths exceeding 20,000 psi 140 mpa have been used in castinplace buildings.
The compressive strength of highperformance concrete and. The mixing efficiency and mixing performance depends on. High performance concrete an overview sciencedirect topics. High perfomance concrete free download as powerpoint presentation. Unfortunately, many specifications are a combination of performance.
Fundamentals and application when the general performance of concrete is substantially higher than that of. This concrete is defined as follows at the three stages of concrete. Introduction to concrete concretess versatility, durability, sustainability, and economy have made it the worldss most widely used construction material. A mix design provides a starting mix proportions that will have to be more or less modified to meet the desired concrete characteristics. Scribd is the worlds largest social reading and publishing site. When setting up the batch plant for uhpc at a precast facility, the introduction of raw.
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. High performance concretes with 56day compressive strengths of 65 to 120 mpa with or without silica fume were studied. 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. So, high performance concrete is superior to ordinary concrete in all properties. Based on the experience of the author and studies worldwide, it is seen and proved that hpc can only be made with the best materials and practices available. Introduction it is important to note the high strength and highperformance concrete are not synonymous. High performance concrete and fundamentals international journal.
The test results are compared with the values for high performance concrete without fumed silica as a reference mix. Introduction application of high performance concrete hpc has got momentum in various fields of construction globally in the near past. High performance concrete strength of materials concrete. Nawy is the author of fundamentals of highperformance concrete, 2nd edition, published by wiley. Oral buyukozturk and denvid lau, high performance concrete. This book is a coordinated treatment of the subject of normal and high strength high performance concrete, reflecting the latest provision of the american concrete institute aci codes. High performance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. However, it has many features such as high strength, smooth fracture surface, low permeability, discontinuous pore, etc.
High performance concrete seminar ppt with pdf report. High performance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. About four tons of concrete are produced per person per year worldwide and about 1. In order to know the intrinsic differences between normal type concrete and high performance concrete, microstructure and composition of hpc are studied. Txdot is also taking steps to provide concrete that resists other forces of deterioration. Table 172 lists properties that can be selected for highperformance concrete. High performance concrete pavements project summary office of infrastructure office of pavement technology washington, dc 20590 publication no. Fundamentals of high performance concrete download ebook. High strength and high performance concrete materials and. Application of high performance concrete in petronas twin tower, klcc jaeho kim1, seunghoon lee2 1general manager, samsung corporation, korea 2general manger, inst. Please click button to get fundamentals of high performance concrete book now. Materials and methods for high performance concrete. An objective function, which is either maximized or minimized, expresses the goal, or performance criterion, in terms of the decision variables. Though the recent advancements have dominated the barriers of the preparation of high.
Aci, aashto, code developments, high performance concrete, high strength concrete, nchrp. High performance concrete, categorization of high performance concrete, materials used in high performance concrete, applications of high performance concrete 1. This program is aimed at builders, site supervisors, construction managers, owners representatives, architects, and anyone who wishes to gain further knowledge in the construction of concrete. This procedure can be made reasonably simple, if not easy. For concrete structures, we must determine not only the area of longitudinal and lateral reinforcement required in each member, but also the way to best arrange and connect the reinforcement to insure acceptable structural performance. There are several advantages of high performance concrete hpc application in building construction which are not achievable using conventional concrete. The strength, durability, resistance to chemical attack, and workability of high performance concrete are 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 specifications and practices for bridges documents the types of specifications and practices used by state transportation agencies to produce high performance concrete for bridges. Although concrete fundamentals are still maintained, the focus of the design mix will be to optimize all of the. High performance concrete hpc is most recent growth in concrete, recently it has became the most popular, because this was used in so many prestigious projects like nuclear power projects, flyover, skyscrapers and dams etc. A test program was carried out to develop information about the mechanical properties of high performance concrete. High performance concrete is a key element in virtually alllarge construction projects, from tall office and residential buildings to bridges, tunnels and roadways. Highperformance concrete specifications ideally should be performance oriented.
Fundamentals of high performance concrete journal of. The shear behaviors of steel reinforced high strength and high performance concrete srhshpc composite frame columns are studied through the test on a. The set of allowable solutions, and hence, the objective. Highperformance concrete hpc exceeds the properties. Abstract highperformance concretes, 19891994 fhward97030. Proportioning concrete structural elements by aci 31899 code. As an outcome of the experiments and researches, cement based concrete which meets special performance with respect to workability, strength and durability. The key elements of high performance concrete can be summarized as follows. When setting up the batch plant for uhpc at a precast facility, the introduction of raw materials into the mixer must be considered. Ultra high performance concrete uhpc is an advanced construction material that affords new opportunities for the future of the highway infrastructure.
Introduction it is important to note the highstrength and highperformance concrete are not synonymous. Ultrahigh performance concrete uhpc is a new class of concrete that is exceptionally strong and durable. 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%. However, strength is not always the primary re quired property.
Design optimization of reinforced concrete structures 315 determined, and a set of decision variable values constitutes a candidate solution. In this paper we propose a model to evaluate the compressive. Cement concrete is cannot fulfill those challenges high performance. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format. It is not only ideal for traditional applications of regular concrete, but it also allows for new applications of concrete in areas such as contemporary design that involve thinner components or complex shapes. Generally hpc is having high cementitious content and very less water to cement. 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. Only when every step of the process above is given due diligence, will the resulting concrete end up as high performance concrete. The concrete in the mouldcast state had high strengths 107 and 11 mpa compressive and flexural strength respectively, low drying shrinkage and a density of 2250 kgm 3.
It permits the construction of both more slender and more durable concrete structures with a prolonged service life and thus improved sustainability. A high performance concrete has been successfully developed for a digitallycontrolled printing process which can build architectural and structural components without formwork. High performance, silica fume, admixture, high strength, durability 1. The shear behaviors of steel reinforced high strength and high performance concrete srhshpc composite frame columns are studied through the test on a number of srhshpc specimens with grade of. Introduction to concrete portland cement association.
Highperformance concrete almost always has a higher strength than normal concrete. The compressive strength of silica fume concretes was investigated at low watercementitious materials ratios with a naphthalene sulphonate superplasticizer. Development of high performance concrete and evaluation of. Therefore, the composition of high performance concrete is almost the same as that of conventional cement concrete. 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. The fully updated second edition helps professionals to understand the performance capabilities of these construction materials when selecting the type of concrete to use for particular projects. High performance concrete specifications and practices for. High performance concrete technology delivery team created to implement a mandate of the intermodal surface transportation efficiency act of 1991 istea legislation, the federal highway administrations fhwa high performance concrete technology delivery team hpc tdt motivated and helped state dots to build. All books are in clear copy here, and all files are secure so dont worry about it. In the era of advanced technological growth in concrete, use of high performance concrete hpc has increased globally due to popularity in the infrastructure industry. These properties include compressive strength and permeability. The fully updated second edition helps professionals to understand the performance capabilities of these construction materials when selecting the type of concrete to use for. Selfcompacting high performance concrete is a high performance concrete that can be compacted into every corner of a formwork, purely by means of its own weight and without the need for vibrating compaction fig.
Bruce, tulane university high strength concrete provides a higher compressive. The fundamentals of concrete construction certificate program covers the best practices and means and methods for concrete construction. Since rheological parameters and compressive strength are fundamental properties of concrete in two. High performance concrete seminar and ppt with pdf report. Pdf ultra high performance concrete uhpc hai hoang viet. 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. Figure 1 a b, in terms of probability density functions pdf of a wc0. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Design optimization of reinforced concrete structures. The objective of this paper is to discuss design methods for sustainable, high performance facades, and the necessary steps in ensuring that the environmental factors and energy.
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. The term concrete refers to a mixture of aggregates, usually sand. This report details the laboratory developmental work on producing high performance concrete for highway applications. When the general performance of concrete is substantially higher than that of normal type concrete, such concrete is regarded as high performance concrete hpc. Three of the key attributes to hpc are discussed in this paper. A mix design procedure for high performance concrete mixes has been presented in this paper. Reviews the fundamentals of cement technology and then proceeds to deal with applications in producing high strength high performance concretes using various means and mineral admixtures. Fiberreinforced concrete and fiberreinforced plastic composites. 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. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Introduction highperformance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods. Fundamentals and application oral buyukozturk and denvid lau department of civil and environmental engineering massachusetts institute of technology 77 mass.
Ultra high performance concrete uhpc is a milestone in concrete technology and application. Fundamentals of highperformance concrete book, 2001. This video animation, animated video explains the concept of high strength concrete. 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. Request pdf on aug 1, 2001, andrew scanlon and others published fundamentals of high performance concrete find, read and cite all the research you. Not all properties can be achieved at the same time.
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. 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. High internal load equipment placed near the central core of the building. This page contains high performance concrete seminar and ppt with pdf report. Nogataki and yonekurus reported that the shrinkage of high performance concrete containing high range water reducers was less than for lowerstrength concrete. Fundamentals of high strength high performance concrete. Experimental investigation on the strength properties of high. Mmi precast concrete reinforced concrete 12 300 mm solid concrete reinforced concrete mmxi precast concrete exceeding code reinforced concrete 12 300 mm solid concrete reinforced concrete see text for an explanation of the designations. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. Civil engineering animated videos, civil engineering videos social m.
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