This report details the laboratory developmental work on producing high performance concrete for highway applications. Materials and methods for high performance concrete. Highperformance concrete almost always has a higher strength than normal concrete. Ultrahigh performance concrete research papers academia. High performance concrete exceeds the properties and constructability of normal concrete. Unlike natural stones, concrete is free from defects and flaws. Tech ultrahigh performance concrete for bridge deck overlays. Within the last few decades, research has been conducted on what is known as ultra high performance concrete uhpc. Pdf high performance concrete by pierreclaude aitcin. 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. 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. Development of high performance concrete and evaluation of. Of fresh hfc behavior of hardened hfc applications case study advantage and disadvantages 2.
Highperformance concrete an overview sciencedirect topics. The book will be valuable for all concrete technologists and construction engineers wishing to take. 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. Deck deterioration is commonly caused by a combination of vehicle loading, freezethaw degradation, cracking, delamination of cover concrete. Concrete is the most widely used material in building construction. A mix design procedure for highperformance concrete mixes has been presented in this paper. The high performance concrete hpc is a mixture of many materials usually 510. The concrete is made with concrete wastes which might be green so called as green concrete. The prestressing of concrete has several advantages as compared to traditional reinforced concrete rc without pre stressing. Lightweight concrete maintains its large voids and not forming laitance layers or cement films when placed on the wall. 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. Post navigation highperformance concrete almost always has a higher strength than normal concrete.
Ingredients of concrete are easily available in most of the places. This entry was posted in micro silica in concrete, high strength durable concrete solutions, permeation grouting, solutions for concrete repair, tunnel grouting, uncategorized and tagged high strength concrete, durable concrete solutions, micro silica in concrete, high performance durable concrete solution. Third, allowable stress design discourages the use of high strength concrete. Highperformance concrete hpc exceeds the properties and constructability of. High strength concrete and high performance concrete happho. In some instancesssuch as when concrete can obtain high early strength. High performance concrete have several advantages over traditional portland cement concrete. Using natural biopolymer chitosan to develop a highperformance superplasticizer has certain advantages in structure, resource. Pdf in recent years, the advantages of highperformance concrete hpc have been well documented. 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. Easy handling and moulding of concrete into any shape. Over and exceptionally green concrete has greater power and durability than the ordinary concrete. Highperformance concrete may be defined as concrete with strength and durability. High performance concrete seminar report, ppt, pdf for.
High strength and high performance concrete materials and. For ex ample, a normal strength concrete with very high durability and very low permeability is consid ered to have high performance properties. The compressive strength of highperformance concrete and. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. A fully prestressed concrete member is usually subjected to compression during service life. High performance concrete methods for preparation, advantages. Advantages and disadvantages of concrete civil engineering. Concrete is widely used because of its versatility, affordability, and availability of raw materials, strength, and durability. High performance concrete give longer life span to girders, columns and slabs.
The size of structural members like beams and columns are reduced since smaller sections are enough to carry high loads. The term includes a broad range of materials such as defect free, dense particle, engineered composite, multiscale particle, and fiberreinforced cementitious. Highperformance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. The interaction between these materials is the reason of the various workability cases, and also the different ratios and portions added causes this variability. Cairo university credit hours system strn344 construction material and quality control high strength concrete references. 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.
Static performance poles made of high performance concrete c5567 to c100115 were developed to enable greater loading capacities, higher tensile and compressive strengths, lower wall thickness and diameters. High performance concrete an overview sciencedirect topics. 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%. The following text broadly mentions the advantages of a prestressed concrete member with an. Chapter 6 proposed mix design method for hpc and validity mix proportioning of high performance concrete for indian environment 235 table 6. This research was based on the performance of aerated lightweight concrete. Equations used in developing smooth curves for relationship between free watercement ratio and concrete strength curve exponential equation of curve a y 156. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Fireresistant concrete high performance concrete selfcompacting concrete high durability concrete high ductility concrete 4 concluding remarks 081027 s. Pdf practical issues for the application of highperformance. Advantages disadvantages pennsylvania state university. The effects of aggregate type, size, and content on the behavior of normal and high strength concrete, and the relationships between compressive strength, flexural strength, and fracture energy are discussed. The term high performance concrete hpc is relatively new, and it refers to many properties such as strength, durability, sound and. In this paper we propose a model to evaluate the compressive.
High performance concrete has several advantages like improved durability characteristics and much lesser micro cracking than normal strength concrete. High performance concrete is a crucial replacement for portland cement concrete for major construction site such as tunnel, bridge and highway roads. It covers all aspects of hpc from materials, properties and technology, to construction and testing. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete.
High performance concrete is necessary for the construction of high rise. Ultra high performance concrete for bridge deck overlays introduction there is urgent need for effective and durable rehabilitation solutions for deteriorated highway bridge decks. High strength concrete hsc has a compressive strength greater than 55mpa having water cement ratiowc ranging from of 0. The compressive strength of silica fume concretes was investigated at low watercementitious materials ratios with a naphthalene sulphonate superplasticizer.
This page contains high performance concrete seminar and ppt with pdf report. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete. High performance concrete seminar and ppt with pdf report. These materials may cost more than materials of lower quality. Uhpc has several advantages over conventional concrete but the use of it is limited due to. View ultra high performance concrete research papers on academia. Concrete can be manufactured to the desired strength with an economy.
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. Its advantages are that there is a reduction of dead load, faster building rates in construction and lower haulage and handling costs. Easy transportation from the place of mixing to place of casting before initial set takes place. However, strength is not always the primary re quired property. High performance concrete hpc is that which is designed to give optimized performance characteristics for the given set of materials, usage and exposure conditions, consistent with requirement of cost, service life and durability. Urban development that took place through the world in the last few decades yielded significant developments for concrete technology. High strength concrete must meet high performance standards consistently in order for it to be effective. So, high performance concrete is superior to ordinary concrete in all properties. High performance concrete and its applications in the. High performance concrete is necessary for the construction of high rise building and long span bridges. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40 mpa or greater. Due to low wc ratio it requires superplasticizer to achieve required workability. To call concrete high performance implies that it is specialized.
So, there is a need to design high performance concrete hpc which is far superior than conventional concrete. Since the size of members are reduced the cost of formworks are less. Sugano application of highapplication of high strength and highstrength and high performance concrete in seismic regions 3 jci committees on hschpc technical committee on. The concrete mixtures incorporate either basalt or crushed limestone, aggregate sizes of 12 mm h in. The durability of the high performance concrete is longer than portland cement. 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. Researchers and engineers are constantly working on improving concrete properties. One of the breakthroughs in concrete technology is ultra high performance concrete with a steel like compressive strength of up to 250 nmm2 and a remarkable increase in durability compared even with high performance concrete. The concrete plays a very important role in all branches of civil engineering. High performance concrete seminar ppt with pdf report. Research, development and application in europe michael schmidt and ekkehard fehling synopsis. Introduction high performance concrete hpc should have at least one property like high strength, high durability, acid resistance, selfcompaction, low permeability to water, chemicals or other aggressive media, as compared to normal concrete, to qualify as hpc.
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