Ever since the term highperformance concrete was introduced into the industry, it had widely used in largescale concrete. Caldarone, and journal of mechanical and civil engineering. The constituent materials play the vital roles to improve the performance of hshpc. High performance concrete has several advantages like improved. Both effects are achieved using an optimized concrete technology, namely an extremely low wcratio and the addition of silica fume. 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.
The main activities for controlling quality on site are placing, compaction, curing and surface finishing. Michael caldarone is a professional engineer with over 20 years experience in concrete material engineering and has been involved with many of the worlds most notable projects involving highstrength concrete. Superhighstrength high performance concrete crc press book. 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. Higher strengths can be produced with the addition of supplementary cementitious materials. High performance concrete seminar ppt with pdf report. 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 strength concrete as the name signifies is concrete having compressive strength more than 40mpa. 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. Therefore, the composition of high performance concrete is almost the same as that of conventional cement concrete. This means that the concrete should be high strength and high performance. Workability characteristics of the fresh concrete are analyzed and hardened concrete properties tested in this research are compressive strength, chloride ion permeability, and creep and drying shrinkage properties. High performance vs high strength concrete concretebasics.
Application of high performance concrete in petronas twin tower, klcc jaeho kim1. This tenyear project explored the properties, performance, and potential of superhighstrength high performance shshp. Ultra thin heavy reinforced high performance concrete overlays technically attractive since they are not designed to place in large thin overlays which will result in difficulties with casting and finishing. Hphsc is defined as concrete that meets special performance and uniformity requirements that cannot always be achieved by using only conventional materials and normal mixing, placing, and curing practices. The risk of exposing high performance concrete structures to high temperatures increases with the increase in usage of high performance concrete by the construction industry. The term high performance concrete hpc is relatively new, and it refers to many properties such as strength, durability, sound and. Prediction of the compressive strength of high performance. Introduction it is important to note the highstrength and high. Ultrahigh performance concrete fhwa us department of. In addition to high strength, the concrete should exhibit greater durability characteristics.
Another noteworthy property is the relatively low amount of energy and resources consumed during production. Relevance of high performance concrete applications in modern. Bickley and fung 2001 demonstrated that 40 mpa 6,000 psi high performance concrete for bridges could be ecofig. Utilizing high strength concrete resulted in cost saving. High strength concrete hsc may be defined as concrete with a specified characteristic cube strength between 40 and 100 nmm2, although higher strengths have been achieved and used. The project required high strength and high performance concrete up to 80 mpa. Eurocode 2 allows for concrete strengths of up to 105mpa cube strength. Mechanical properties for high performance concrete. High performance concrete has high compressive strength, high durability, high. High performance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. Proposals for the design of high performance high strength concrete hphsc structural members are presented.
The selection criteria for the constituent materials of. Pdf mechanical properties of ultra high performance. International codes propose a wide variety of formulae which establish a relationship between modulus of elasticity and compressive strength. Pdf the merits of highstrength high performance concrete hshpc depend on the quality of constituent materials. High performance means that the concrete has one or more of the following properties.
Define the amount of superplasticizer as a percentage of. With a view towards improved production that optimizes the strength and durability of concrete, the book presents a host of topics on the cutting edge of concrete. Urban development that took place through the world in the last few decades yielded significant developments for concrete technology. 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. Uhpc is an advanced cementitious material with high strength and excellent durability. There is no definition of high strength concrete in eurocode 2, but the measures and formulae change when the concrete strength is greater than c5060 so this seems a. Pdf material aspects for highstrength high performance. Super high strength high performance concrete pu xincheng when produced correctly, concrete can be extremely strong, with high loadbearing capacity and superior durability. The compressive strength of highperformance concrete and.
The merits of highstrength high performance concrete hshpc depend on the quality of constituent materials. Super high strength high performance concrete brings together the results of a major research project by the national natural science foundation of china and the doctoral foundation of the ministry of education of china. Jan, 2016 highvalue concrete highstrength concrete materials 9. Civil engineering animated videos, civil engineering videos social m. The result from this study suggests that tree based models perform remarkably well in predicting the compressive strength of the concrete. Development of high performance concrete and evaluation of. High performance concrete seminar and ppt with pdf report.
Mechanical properties of ultrahigh performance concrete. The material properties, mix design and curing regime are determined. The methodology to develop such mix has been explained. Pdf the compressive strength of highperformance concrete. To determine the modulus of elasticity of concrete precisely is very important for structures that require strict control of the deformability. Nowadays due to high technological development it is possible to obtain concrete strengths of about 150mpa, thus only strengths above 60mpa are recognised as high strength concrete in recent days. It covers all aspects of hpc from materials, properties and technology, to construction and testing. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Application of hpc pavements high performance concrete is being increasingly used for highway pavements due to the potential economic benefits that can be derived from the early strength gain of high performance concrete, its reduced permeability, increased wear or abrasion resistance to steel studded tires and improved freezethaw durability. High performance concrete and its applications in the field. 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. With a view towards improved production that optimizes the strength and durability of concrete, the book presents a host of topics on the cutting edge of concrete research. High performance concrete and fundamentals international journal. The super fine fly ash, having a specific surface of.
This book discusses the technical approach toward the manufacture and the basic principles of 100150 mpa super high strength high performance concrete with common raw materials and common technology. Therefore, it becomes necessary that the properties of high performance concrete subjected to high. In high performance concrete structures, both the increased strength as well as the improved microstructure can be utilized. Pdf material aspects for highstrength high performance concrete. This video animation, animated video explains the concept of high strength concrete. The use of some mineral and chemical admixtures like silica fume and super plasticizer enhance the strength, durability and workability qualities. High performance concrete technology and applications. More recently, compressive strengths approaching 140mpa have been used in castinplace buildings. Ultra high strength fiberreinforced cementitious composite. Engineering performance of high strength concrete containing steel fibre reinforcement the development and utilization of the high strength concrete in the construction industry have been increasing rapidly. Superhighstrength high performance concrete download. The concrete convention and exposition high strength welded wire reinforcement for high performance concrete by.
Most of these codes are valid up to 50 mpa, the usual limit for normal concretes. High performance concrete is a term used to describe concrete with special properties not attributed to normal concrete. Super high strength high performance concrete preface in 1992, the national natural science foundation committee issued a guide for application to the 1993 national natural science foundation, whereby a key project for the eighth 5year plan, titled research on structure and mechanical performances of super high strength concrete. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format. Pdf download super high strength high performance concrete.
For high strength concrete, a cement should produce a minimum 7days mortarcube strength of approximately 30 mpa. High strength concrete is defined based on its compressive strength at a given age whereas high performance concrete is defined based on performance. This research is based on the measurement of early age characteristics of the high performance concrete hpc, the study of the influence of water binder ratio and binder composition on setting, and the influence of strength, slump, and air content in the material. High strength concrete and high performance concrete are not synonymous because strength and performance of concrete are different properties of concrete. Oct 15, 2017 this tenyear project explored the properties, performance, and potential of super high strength high performance shshp concrete. The existing 60 ksi limit for the design yield strength of transverse reinforcement is. Measured shear strengths for high strength concrete girders exceeded the corresponding calculated strengths determined using current design provisions from either the aashto standard specifications or aashto lrfd specifications. High performance concrete is also a high strength concrete but it has a few more attributes specially designed for high. High performance concrete is necessary for the construction of high rise building and long span bridges.
The term ultrahigh performance concrete uhpc refers to a relatively new. The existing 60 ksi limit for the design yield strength. Super high strength high performance concrete brings together the results o. This tenyear project explored the properties, performance, and potential of super high strength high performance shshp. The compressive strength of highperformance concrete and ultrahighperformance. The modulus of elasticity of high performance concrete. Preconstruction and construction procedures are covered, including planning trial mixtures, preconstruction meetings, batching, placing, curing, and testing. Guide specification for high performance concrete for bridges. In this paper we propose a model to evaluate the compressive. 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%. Developments and applications of highperformance concrete. These products are especially technically attractive for prefab and industrial applications. High strength and high performance concrete materials and. High performance concrete an overview sciencedirect topics. Strength and durability of high performance concrete. The manu facturing technology and mix proportions of the concrete are described in detail.
A mix design procedure for high performance concrete mixes has been presented in this paper. Ever since the term high performance concrete was introduced into the industry, it had widely used in largescale concrete. Highstrength concrete is defined based on its compressive strength at a given age whereas high performance concrete is defined based on performance. This super high rise building has 88 floors plus 6 stories basement and each tower has 200,000 m2 of total floor area. Density and strengths can be controlled to meet specific structural and. The compressive strength of silica fume concretes was investigated at low watercementitious materials ratios with a naphthalene sulphonate superplasticizer. Txdot is also taking steps to provide concrete that resists other forces of deterioration. Ultrahigh strength concrete mixtures using local materials. One of the materials developed in recent years is ultra high strength concrete uhsc also known as reactive powder concrete rpc.
In addition, various patterns of hyphens are used to form compound adjectives. Super high strength high performance concrete damasgate. A mix design provides a starting mix proportions that will have to be more or less modified to meet the desired concrete characteristics. High performance cellular concrete high performance cellular concrete hpcc has all the properties of cellular concrete and can achieve 55. However, as indicated, high performance strictly relates to a concrete that has been designed to have good specific characteristics, such as high resistance to chloride ingress or high abrasion resistance. As additional literature for deeper study on high strength concrete is the book high strength concrete 3, by michael a. Pdf strength and durability of high performance concrete. Composition and compressive strength of standardized mortar specimens 4. Superhighstrength high performance concrete crc press.
Another noteworthy property is the relatively low amount of energy and resources. Stateofart report pages, isbn 9782883940826, january 2008 pdf format. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. High strength concrete and high performance concrete. The development of high strength concrete has been a great breakthrough in concrete technology. 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. Fiber reinforced concrete is introduced to overcome the weakness of the conventional. 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. 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. Highstrength concrete and high performance concrete are not synonymous because strength and performance of concrete are different properties of concrete. When produced correctly, concrete can be extremely strong, with high loadbearing capacity and superior durability. 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. Concrete is widely used because of its versatility, affordability, and availability of raw materials, strength, and durability.
This page contains high performance concrete seminar and ppt with pdf report. A research program is conducted to evaluate the mechanical properties of ultra high performance concrete, target compressive strength at the age of 28 days being more than 150 mpa. Apr 21, 2015 concrete is the most widely used construction material in india with annual consumption exceeding 100 million cubic meters. Ultra high performance fiberreinforced concrete uhpfrc.
Ultra high performance concrete uhpc with a high compressive strength of. Pdf concrete mix design for high strength selfcompacting. Since rheological parameters and compressive strength are fundamental properties of concrete in two. High performance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. High performance concrete strength of materials concrete. Site experience indicates that more compaction is normally needed for high strength concrete with high.
The concept of prequalifying suppliers and laboratories is introduced. This study reports on the development of a high mode, high performance, super workable. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. Introduction highperformance concrete is a concrete that having meets special qualities like performance and uniformity that cannot be achieved using conventional concrete making methods.
The terms high performance concrete and high strength concrete are often taken to mean the same thing. This tenyear project explored the properties, performance, and potential of superhighstrength high performance shshp concrete. High performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. Concrete mix design for high strength selfcompacting concrete using metakaolin article pdf available in materials and design 60 march 2014 with 5,574 reads how we measure reads. Content introduction salient features selection of materials behavior of fresh hfc behavior of hardened hfc applications case study advantage and disadvantages 2 3. Compared with ordinary concrete, ultrahigh performance. Reduction in the selfweight and superimposed dead load with the. For the purposes of this specification, high performance concrete hpc is considered as concrete engineered to meet specific needs of a project.
Constitutive modelling for high strength high performance concrete. Concrete is defined as highstrength concrete solely on the. He is the current chair of the american concrete institute committee 363 on highstrength concrete. High performance concrete is often nomically made while. This tenyear project explored the properties, performance, and potential of super high strength high performance shshp concrete. Superhighstrength high performance concrete brings together the results of a major research project by the national natural science foundation of china and the doctoral foundation of the ministry of education of china. Super high strength, high performance concrete ebook. Pdf the compressive strength of silica fume concretes was investigated at low watercementitious materials. Mod01 lec quality control and acceptance criteria for concrete based on compressive strength. High performance concrete contains a high range water reducer super plasticizer and mineral admixture while high strength concrete does so only sometimes. The material attributes are understood by studying the stress strain behaviour of uhpc.
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