In the present study durability properties of high performance concrete made with nanosilica and micro silica were evaluated using laboratory experiments. The high performance concrete has been used in the construction of bridges, hydropower structures, pavements, bridges, high density. Applications of highperformance concrete in civil engineering. A mix design procedure for high performance concrete mixes has been presented in this paper. Since rheological parameters and compressive strength are fundamental properties of concrete in two different stages of production, the correlation between rheological parameters and. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. High strength concrete resists loads that cannot be resisted by normal strength concrete. Cip 33 high strength concrete what is high strength concrete. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. Satisfactory strength was achieved through increasing the fly ash and lowering the silica fume contents, though, chloride ion. Pdf this investigation was carried out to evaluate the compressive strength and durability properties of high performance concrete containing. Explore analysis of durability of high performance concrete using artificial neural networks with free download of seminar report and ppt in pdf and doc format. High performance concrete almost always has a higher strength than normal concrete.
The heavily traveled wacker drive replacement in downtown chicago was designed for a 75 to 100year life. Highearlystrength highperformance concrete for rapid. Durability of low cost high performance fly ash concrete. Durability of low cost high performance fly ash concrete a. These high quality constituents drastically increase the initial cost of hpc, hence hindering its more widespread use.
It possesses high workability, high strength, and high durability. The relatively high initial cost of uhpc has restricted its wider. Pdf significant recent advancements in cementbased, fiberreinforced composite materials have stretched the bounds of concrete into the. To develop high performance concrete composite materials for infrastructure projects and public buildings, focusing on their permanence.
Durable concrete specifying a high strength concrete and does not ensure that a durable concrete will be achieved. Strength and durability of high performance concrete irjet. High strength and high performance concrete materials and. High performance concrete is also a high strength concrete but it has a few more attributes specially designed for high.
Not only does high strength concrete allow for more applications, it also increases the strength per unit cost, per unit weight, and per unit volume as well. In order to achieve this goal, four subgoals are set. They have tested for compressive strength after 7, 14, 28 and 56 days of water curing. Highperformance concrete hpc exceeds the properties.
It covers all aspects of hpc from materials, properties and technology, to construction and testing. The paper presents experimental studies conducted on hpc mix of m60 grade using silica. For the purposes of this specification, high performance concrete hpc is considered as concrete engineered to meet specific needs of a project. This concrete contains one or more of cementious materials such as fly ash, silica fume or ground granulated blast. 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.
Properties of highperformance concrete containing high. The definition of high performance concrete utilized for the project includes high strength concrete, workability, and durability. Durability tests namely accelerated chloride migration test, volume of permeable. Durability of concrete may be defined as the ability of concrete to resist weathering action, chemical attack, and abrasion while maintaining its desired engineering properties. Site experience indicates that more compaction is normally needed for high strength concrete with high. Pdf strength and durability of high performance concrete. The main activities for controlling quality on site are placing, compaction, curing and surface finishing. High performance concrete hpc is usually produced using high quality materials. The concrete mixtures incorporate either basalt or crushed limestone, aggregate sizes of 12 mm h in. Highperformance concrete almost always has a higher strength than normal concrete. This report details the laboratory developmental work on producing high performance concrete for highway applications.
Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. The results also revealed that increase in percentage of partial replacement of silica fume, increased the compressive and flexure strength of high performance concrete. Ultra high performance concrete uhpc with a high compressive strength of more than. For example, a normal strength concrete with very high durability and very low permeability is considered to have high performance properties. Pdf durability properties of high performance foamed. Ultrahigh performance concrete fhwa us department of. Durability of concrete is its ability to resist weathering action. 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. Development of high performance concrete and evaluation of.
Mechanical properties of ultrahigh performance concrete. Study of mix design for high performance concrete 108 8. Hpc mixtures are composed of essentially the same materials as conventional concrete mixtures, but. Nanosilica ns powder was extracted from rice husk ash rha by controlling different process parameters. To do so, mix should be such it is easy to vibrate and it is fluid enough to pass through congested reinforcement. Highearlystrength concrete, also called fasttrack concrete, achieves. Strength and durability of high performance concrete using. Pdf high performance concrete by pierreclaude aitcin. Durability properties of high performance foamed concrete. Particles of silica fume are allowed to fill the space between the cement grains, denser concrete is achieved when silica fume used as an admixture or a cement replacement material.
Durability of concrete types of durability and factors. Analysis of durability of high performance concrete using. Ever since the term high performance concrete was introduced into the industry, it had widely used in largescale concrete construction that demands high strength, high flow ability, and high durability. Txdot is also taking steps to provide concrete that resists other forces of deterioration. Also explore the seminar topics paper on analysis of durability of high performance concrete using artificial neural networks with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for. International research journal of engineering and technology irjet eissn. High performance concrete is a concrete mixture, which possess high durability and high strength when compared to. Hpc specimens were tested for initial surface absorption, water absorption, sorptivity and chloride ion permeability. Today compressive strengths exceeding 20,000 psi 140 mpa have been used in castinplace buildings. Highperformance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. The use of highperformance concrete has overcome many problems observed in conventional concrete like less durability, weaker transition zone aggregatecement interface, low resistance to chemical attack and difficulty in repair and retrofitting works. Guide specification for high performance concrete for bridges.
This class of concrete has been demonstrated to facilitate solutions that address specific problems in the u. 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. Mechanical behavior of highperformance concrete under thermal. High performance concrete seminar and ppt with pdf report. Pdf durability of an ultra highperformance concrete. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. Since rheological parameters and compressive strength are fundamental properties of concrete in two. A mix design procedure for highperformance concrete mixes has been presented in this paper. High performance concrete seminar ppt with pdf report. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40.
Material property characterization of ultra high performance concrete 6. 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. High performance concrete is a concrete mixture, which possess high durability and high strength when compared to conventional concrete. The book will be valuable for all concrete technologists and construction engineers wishing to take. The main application of a pozzolanic material for highperformance concrete. This page contains high performance concrete seminar and ppt with pdf report. Pdf strength and durability of high performance concrete irjet. High performance concrete is a concrete that possess some special characteristics such as high durability, high workability and if necessary, stronger than conventional concrete. Test methods a compressive strength concrete cubes of 150 x 150 x 150 mm dimension were casting for compressive strength.
There are several applications of high performance concrete in the field of civil engineering due to its superior properties such as high strength and good durability. However, strength is not always the primary required property. Highperformance concrete hpc is a concrete mixture, which possesses high durability and high strength when compared to conventional concrete 1. Mechanical properties and durability of high performance. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. Introduction it is important to note the high strength and highperformance concrete are not synonymous. The term ultrahigh performance concrete uhpc refers to a relatively new class. Bickley and fung 2001 demonstrated that 40 mpa 6,000 psi high.
Strength and durability of high performance concrete. High strength concrete containing different types of fibers carried out on ultra high performance concrete uhpc is a special type of concrete with extraordinary potentials in terms of strength and durability performance. As the first step, an optimum aggregate gradation for 20 mm size aggregates, derived from packing density test results, is proposed. As the first step, an optimum aggregate gradation for 20 mm size aggregates, derived. 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. 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. For example, a normal strength concrete with very high durability and very low permeability is considered to have highperformance properties. High early strength highperformance concrete for rapid pavement repair solaris consortium, tier 1 university transportation center center for advanced transportation education and research department of civil and environmental engineering university of nevada, reno reno, nv 89557 nader ghafoori, ph. Concrete ingredients, their proportioning, interactions between them, placing and curing practices, and the service environment determine the ultimate durability and life of the concrete. This paper focusses on the influence of aggregate gradation, cement content, micro silica and superplasticiser on durability of high performance concrete hpc. High performance concrete an overview sciencedirect topics. 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. High performance concrete reduces the co2 level and make environment green.
1380 911 1339 1547 460 564 659 987 618 1224 490 75 77 1451 301 507 897 1536 1233 330 547 293 1371 921 364 1166 430 146 1482 297 798 182 983 639 1486 394 933 653 736 135 1344 602 1471 1011 394 623 33 56 740 963