The experimental results of this study indicate that the inclusion of steel fibres in concrete enhances the mechanical properties of high performance concrete and could reduce the severity of. Mechanical properties and durability of high performance. A discussion on shortterm mechanical properties of concrete which includes, compressive strength, stressstrain behavior. High strength, but high strength concrete may not necessarily be of high performance. Mechanical properties for high performance concrete exposed. Department of transportation federal highway administration. 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 seminar report, ppt, pdf for. Mechanical properties of high performance printing concrete reinforced with steel fibres with different lengths 3 and 6 mm at different fibre volume contents 0. Based on the view that concrete is a twophase material, in order to understand the rheological properties of the.
This class of concrete has been demonstrated to facilitate solutions that address specific problems in the u. The ultimate durability is the most important property of concrete. Since the inception natural sand is used as the fine aggregate for the production of concrete. Physicomechanical properties of high performance concrete. High performance concrete gradem60 can be achieved using superplasticizer to reduce the watercement ratio. These materials may cost more than materials of lower quality. Txdot is also taking steps to provide concrete that resists other forces of deterioration. Material property characterization of ultra high performance concrete publication no. 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. To accomplish this, concrete mixtures with and without class c fly ash were manufactured and their strength and durability properties were determined. The relatively high initial cost of uhpc has restricted its wider. Concrete is probably the most extensively used construction material in the world. The term ultra high 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.
Pdf properties of high performance concrete containing high. Guide specification for highperformance concrete for bridges ii keywords. Though strength has been the major concern in a concrete mix, gradually the importance of durability and workability was realised in the long run which lead to the invention of high performance concrete. 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. Mechanical properties and durability of high performance concrete for bridge decks mohsen a. Guide specification for high performance concrete for bridges. Pdf investigating the mechanical properties of high. Therefore, it becomes necessary that the properties of high performance concrete subjected to high temperatures be clearly understood. Apr 21, 2015 concrete is the most widely used construction material in india with annual consumption exceeding 100 million cubic meters. Table 172 lists properties that can be selected for highperformance concrete. Hardened properties of highperformance printing concrete. Material a cement ordinary portland cement53 grade ambuja cement have used in investigation. Properties of concrete while cement in one form or another has been around for centuries, the type we use was invented in 1824 in britain.
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. Engineering, durability, and sustainability properties. High strength concrete and high performance concrete. Ultra high performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and high performance concretes. Introduction high performance concrete hpc is a concrete. To ensure a high degree of durability, it is essential that clean.
The material properties, mix design and curing regime are determined. Properties of cement mortar and ultrahigh strength. 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. Pdf mechanical properties of high performance concrete. Properties of highperformance concrete containing high. The new generation concrete, ultrahigh performance concrete uhpc, has high compressive strength exceeding 120 nmm2 1719, or according to other references 150 nmm2 2022. Mechanical properties of highperformance concrete reinforced with basalt fibers. Guide specification for high performance concrete for bridges ii keywords. This concrete contains one or more of cementious materials such as fly ash, silica fume or ground granulated blast. 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. Higher strengths can be produced with the addition of supplementary cementitious materials. The addition of mineral admixture in cement has dramatically increased along.
He received his bs and ms from the university of tehran, iran and his phd. High performance concrete specifications ideally should be performance oriented. The fresh concrete properties are slump cone tests, and hardened concrete tests are compressive strength, split tensile strength, flexural strength are studied and. High performance concrete hpc has been defined as concrete that which possesses high workability, high strength. In this experimental investigation, glass fibres were added in different percentages such and their effect on mechanical properties of concrete. 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. 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.
By usage of mineral admixtures, the cement concrete becomes more homogeneous and there is marked enhancement in the strength properties. So, there is a need to design high performance concrete hpc which is far superior than conventional concrete. Material and structural properties for creating high. Properties of fiber reinforced high performance concretea.
High performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. A mix design procedure for high performance concrete mixes has been presented in this paper. Topics covered include production methods, mechanical properties and nonmechanical properties, such as durability. The utilization of calcined clay, in the form of high reactivity metakaolin hrm in concrete has received considerable attention in recent years.
Table 172 lists properties that can be selected for high performance concrete. It should help engineers appreciate the potential of high performance concrete in construction. 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. High performance concrete exceeds the properties and constructability of normal concrete. 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. Mechanical properties of ultrahigh performance fiber. The demand for high strength, crack, resistant and lighter concrete resulted in development of fiber reinforced concrete. Introduction it is important to note the high strength and highperformance concrete are not synonymous. Mechanical properties of highperformance printing concrete reinforced with steel fibres with different lengths 3 and 6 mm at different fibre volume contents 0. High performance concrete is also a high strength concrete but it has a few more attributes specially designed for high range of properties.
High performance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. However, the properties of concrete, especially ultra high strength concrete uhsc, has rarely been. Pdf hardened properties of highperformance printing. The definition of high performance concrete utilized for the project includes high strength concrete, workability, and durability. The material attributes are understood by studying the stress strain behaviour of uhpc. High performance concrete and its applications in the.
High strength concrete must meet high performance standards consistently in order for it to be effective. Properties of high performance concrete systems incorporating large. Highperformance concrete specifications ideally should be performance oriented. Very early strength, toughness, permeability, and fiber distribution evelina khakimova, eit graduate research assistant celik ozyildirim, ph.
Aci american concrete institute has defined hpc as a concrete in which certain characteristics are developed for a particular application and environment. 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. Uhpfrc exhibits superior properties in terms of compressive behaviors, tensile behaviors, and durability. Introduction it is important to note the highstrength and highperformance concrete are not synonymous.
Highperformance concrete characteristics are devel oped for particular. 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. In this experimental investigation, glass fibres were added in different percentages such and their effect on mechanical properties of concrete were studied. Complete stressdeformation curves under uniaxial tension were obtained using a closedloop servohydraulic testing system.
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. Material and structural properties for creating high performance concrete structures p. 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. It was named portland cement because it looked like the. The methodology to develop such mix has been explained. Properties of concrete concrete is an artificial conglomerate stone made essentially of portland cement, water, and aggregates.
Highstrength concrete is defined based on its compressive strength at a given age whereas highperformance concrete is defined based on performance criteria namely. High performance concrete is defined as a concrete which meets special performance and uniformity requirements that cannot always be achieved routinely by using only conventional materials and normal mixing, placing and curing practices, as per aci 363. The research deals with a new type of high performance concrete with improved physical properties, which was prepared by using metal additives minutes metakaolin and by studing their impact on. In other words all the mechanical properties of concrete are superior in a high performance concrete. Cerny department of structural mechanics, faculty of civil engineering, czech technical university in prague, czech republic abstract the moisture transport and storage parameters of high performance concrete. Krauss high performance concrete hpc is classified as concrete that satisfies certain criteria in order to overcome limita. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. Strength and durability properties of high performance concrete. Bickley and fung 2001 demonstrated that 40 mpa 6,000 psi high performance concrete for bridges could be ecofig. The mechanical properties compressive, splitting tensile, and flexural strength evaluated at the ages of 7,28, 56 and 91 days while the static. The worlds population growth and the increasing demand for new infrastructure facilities and buildings present us with the vision of a higher resources consumption, specially in the form of more durable concrete such as high performance.
High strength concrete and high performance concrete are not synonymous because strength and performance of concrete are different properties of concrete. Bruce, tulane university high strength concrete provides a higher compressive. A test program was carried out to develop information about the mechanical properties of high performance concrete. High performance concrete seminar and ppt with pdf report. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40 mpa or greater. Highperformance concrete hpc exceeds the properties and constructability of normal. Highstrength concrete and highperformance concrete are. Cip 33 high strength concrete what is high strength concrete. Mechanical properties of highstrength concrete manish kumar. Fhwahrt06103 august 2006 research, development, and technology turnerfairbank highway research center 6300 georgetown pike mclean, va 221012296. In modern construction practice concrete is the most widely used building materials in the world. Mechanical properties of high strength concrete hsc can be divided in two groups as shortterm mechanical properties and longterm mechanical properties. Hrm has been introduced to be a beneficial alternative for silica fume, required in the formulation of high strengthperformance concrete.
Mechanical properties of ultrahigh performance concrete with. 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. The materials combination of superior properties facilitates the ability to design thin, complex shapes. Introduction 40 41 42 a high performance printing concrete has been developed for an innovative freeform43 construction concrete printing process 1, 2. High performance cellular concrete high performance cellular concrete hpcc has all the properties of cellular concrete and can achieve 55. Properties of high strength concrete under uniaxial states of stress were studied. The allowable concrete tensile stress used in flexural design of hpc girders should be limited to 6. Aashto, abrasion resistance, admixtures, aggregates, airentrained concrete, air void analyzer, alkalicarbonate reactivity, alkalisilica reactivity, asr, astm, bridge, cement, cementitious materials. 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. Previous studies have focused on the effect of gonss on the performance of cement pastes or mortars, with the results indicating that the introduction of gonss in small amounts greatly improved the mechanical properties of cement composites. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Highperformance concrete an overview sciencedirect topics. Strength and durability of high performance concrete. Hpc is a concrete mixture which possess high workability, high strength, high modulus of elasticity, high density, high dimensional stability, low permeability and resistance to chemical attack.
Applications and limitations of high strength concrete in prestressed bridge girders henry g. High performance concrete is often nomically made while used in bridges left and tall buildings right. High performance concretes with 56day compressive strengths of 65 to 120 mpa with or without silica fume were studied. Highstrength concrete and highperformance concrete are not synonymous because strength and performance of concrete are different properties of concrete. High performance concrete seminar ppt with pdf report. Today compressive strengths exceeding 20,000 psi 140 mpa have been used in castinplace buildings. High strength concrete is defined based on its compressive strength at a given age. A classification of high performance concrete related to strength is shown below. Density and strengths can be controlled to meet specific structural and. Material property characterization of ultrahigh performance. This page contains high performance concrete seminar and ppt with pdf report. Principal research scientist in cooperation with the u.
Uhpc is being considered for use in a wide variety of highway infrastructure applications. The physicomechanical properties of coarse aggregates. High reactivity metakaolin hrm is an engineered pozzolanic mineral admixture, reacting aggressively with calcium hydroxide which. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. Properties of high performance concrete high modulus of elasticity high abrasion resistance high durability and long life in severe. Modern building materials, structures and techniques, mbmst 2016 durability properties of high performance foamed concrete eva namsonea, genadijs a ahmenkoa, aleksandrs korjakinsa. This report details the laboratory developmental work on producing high performance concrete for highway applications. To evaluate the behaviour of alccofine based high performance concrete, both compressive strength and durability aspects have been studied in this investigation. Mehdi ghalibafian is an associate professor of civil engineering at the university of tehran, iran. Thorpe 5 6 department of civil and building engineering, loughborough university, 7 loughborough, leicestershire, le11 3tu, united kingdom 8 9 10 abstract 11 12 this paper presents the hardened properties of a high performance fibrereinforced. Pdf hardened properties of highperformance printing concrete. During 1970s, any concrete mixtures which showed 40 mpa or more compressive strength at 28 days were. The major difference between conventional cement concrete and high performance concrete is essentially the use of mineral admixtures in the latter chemical composition determines the role of mineral admixtures in enhancing properties of concrete. The compressive strength of highperformance concrete and.
In case of high performance concrete, the type of coarse aggregate used has a great influence on the strength and elasticity modulus of concrete. Unfortunately, many specifications are a combination of performance. Investigation of properties of high performance fiber. Not all properties can be achieved at the same time. Pdf mechanical properties of highperformance concrete. Main emphasis was given to tensile, compressive, and fracture properties of concrete with compressive strengths ranging from 6000 to 12000 psi. Applications and limitations of highstrength concrete in. Pdf mechanical properties of ultra high performance. 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. Properties of high performance concrete containing high reactivity metakaolin. High strength and high performance concrete materials and. This work summarizes recent developments in the field of high performance concrete. Durability properties of high performance foamed concrete.
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