The term includes a broad range of materials such as defectfree, dense particle, engineered composite, multiscale particle, and fiberreinforced cementitious. A uhpc ultra high performance concrete presentation projects. Ultrahigh 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. A new construction material uhpc is a material has thethat mechanical and strength properties structural nodes require. The mechanical and durability properties of uhpc make it an ideal candidate for use in developing new solutions to pressing concerns about highway. Development of high performance concrete and evaluation.
Uhpc was first developed in the early 1980s and since then has been used for applications needing exceptional strength and durability like nuclear power plants, thinprofile bridges, structural beams and seawall anchor plates. The mechanical and durability properties of uhpc make it an ideal candidate for use in developing. It permits the construction of both more slender and more durable concrete structures with a prolonged service life and thus improved sustainability. Ultrahighperformance concrete is a new type of concrete that is being developed by agencies concerned with infrastructure protection.
This book provides the state of the art on recent progress in the highperformance concrete applications written by researchers and experts in the field. For instance, cement with low c3a is the most desired type of cement to produce highperformance concrete because the c3a creates incompatibility of cement with a superplasticizer. Structural performance of ultrahighperformance concrete. Mucem marseille, france s z o l y d d e v e l o p m e n t c o r p tu r n i n g y o u r v i s i o n i n t o c o n c r e t e r e a l i t y 250. Development of ultrahigh performance concrete against. In recent years ultrahighperformance concrete uhpc has gained more. A uhpc ultra high performance concrete presentation. Normal strength concrete ns 36mpa, high strength concrete hs 96mpa and ultra high performance concrete uhpc 160mpa were used. This video highlights the mechanical and durability properties. Ultrahighperformance concrete uhpc has been developed in many countries,, and many new studies have been performed in recent years. Concrete is the most widely used material in building construction. Concrete is widely used because of its versatility, affordability, and availability of raw materials, strength, and durability. Researchers and engineers are constantly working on improving concrete properties.
Ultra high performance concrete uhpc, isbn 3899583760, isbn 9783899583762, brand new, free shipping in the us. Ultrahighperformance concrete uhpc is a new class of concrete that has. Ultrahigh performance concrete and nanotechnology in. View ultrahigh performance concrete research papers on academia. When setting up the batch plant for uhpc at a precast facility, the introduction of raw materials into the mixer must be considered. Structurally more comparable to steel than traditional concrete, it can be cast into beautifully thin profiles that give you the look of concrete, without the visual weight. One of the materials developed in recent years is ultra high strength concrete uhsc also known as reactive powder concrete rpc. The term ultrahigh 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. Research and developments materials science and technologies. The load was applied exclusively on the concrete sections so that the load bearing behavior of the confined concrete core could be tested. An example use may be within a bonded or partially bonded cementitious levelling screed system.
Uhpc, or ultra high performance concrete, is a class of concrete known for its exceptional strength and durability. From materials to structures presents a detailed overview of uhpc development and its related applications in an era of rising terrorism around the world. Ultrahighperformance concrete polymer modified levelling screed mix are described by characteristics such as cement, cement additions and coarse aggregate. The materials combination of superior properties facilitates the ability to design thin, complex shapes, curvatures and highly customized textures applications which.
Group l1c 4 kienna baker, nelson lai, cameron lee, josh baranesky. Ultra high performance concrete uhpc metalcos innovative uhpc is a mixture of very fine approx. This book is a comprehensive overview of uhpc from the principles behind its. This means that the concrete should be high strength and high performance. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. 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. Performing the superposition effect of multielements mineral admixtures, high performance concrete hpc with 3% of silicon fume, 20% of fly ash and 40% of ground granulated blastfurnace slag ggbs was prepared, and its physical and mechanical properties and durability were studied systematically. Ultra high performance concrete concrete engineering.
Workability characteristics of the fresh concrete are analyzed and hardened concrete properties tested in this research are compressive strength, chloride ion permeability, and. Transportation infrastructure roads, highways, bridges, airports and mass transit avalos, gary m. It covers all aspects of hpc from materials, properties and technology, to construction and testing. During the past four decades, researchers all over the world have been attempted to develop high performance cementbased materials, which include hotpressed cement, macrodefectfree cement mdf, densified with small particles dsp and slurry infiltrated fiber concrete sifc, etc. Hpc concretes are usually designed using materials other than cement alone to achieve these requirements, such as flyash from the coal burning process, ground blast furnace slag from the steel making process, or microsilica fume from the reduction of high quality quartz in an electric arc furnace. See all condition definitions opens in a new window or tab. Ultrahigh performance concrete uhpc book depository.
Uhpc 101 ben graybeal, fhwa february 2017 what is ultrahigh performance concrete. Uhpc is a class of concrete defined by its exceptionally high flexural and compressive strength. Uhpc is characterized by being a steel fibrereinforced cement composite material with compressive strengths in excess of 150 mpa, up to and possibly exceeding 250 mpa. Development of ultrahigh performance concrete against blasts. Application of ultrahigh performance concrete to bridge. Durability of ultrahighperformance concrete authors. High performance concrete 1st edition pierreclaude. Ultrahigh performance concrete uhpc is an advanced construction material that affords new opportunities for the future of the highway infrastructure. High performance concrete and its applications in the. Application of ultrahigh performance concrete to bridge girders 5.
The term highperformance concrete hpc is relatively new, and it refers to many properties such as strength, durability. Development of highperformance concrete in hong kong. This book gives a comprehensive overview from material properties and. Hasan han special nodes in ultra high performance concrete july 2010 1. Nishant rana et al high performance concrete and its applications in the field of civil engineering construction 984 international journal of current engineering and technology, vol. Behavior of ultra high performance concrete structures. Purchase development of ultrahigh performance concrete against blasts 1st edition. The american concrete institute aci defines highperformance concrete as concrete meeting special combinations of performance and uniformity requirements that cannot always be achieved routinely when using conventional constituents and. Although these materials have excellent performance, they can hardly be used in.
Ductal is our ultrahigh performance concrete uhpc with unmatched qualities of durability, strength, aesthetics and ductility. Ultrahigh performance concrete uhpc by ekkehard fehling, 9783433030875, available at book depository with free delivery worldwide. Mechanical properties of ultrahigh performance fiber. Ultra high performance concrete uhpc, brand new, free. In addition to high strength, the concrete should exhibit greater durability characteristics. The book will be valuable for all concrete technologists and construc. High durability no special curing treatment required 7 developed ultrahigh performance concrete ingredient test resultsproportion cement spread value cm1 silica fume undensified 0. Ultrahighpumpability and high performance concrete. Fhwa uhpc is a cementitious composite material composed of an optimized gradation of granular constituents, a watertocementitious materials ratio less than 0.
Ultrahigh performance concrete uhpc is a new type of cement composites, which attracts extensive attention and is applied to bridge engineering area. Chemical and physical properties of cement can help in selecting desired cement to produce highperformance concrete. Ultrahigh performance concrete uhpc, with its high compressive strength of more than 200 mpa and an improved durability, marks a quantum leap. Ultrahighperformance concrete bim object definition. Ultrahigh 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. The ultra highperformance concrete uhpc is a new type of concrete that has developed in recent years, and the emerging of ultrahigh performance concrete became popular in. Preparation of low cement ultrahigh performance concrete. Ultrahigh performance concrete advances in the science of concrete materials have led to the development of a new class of cementitious composites, namely ultrahigh performance concrete uhpc. Because uhpc has a very low watertobinder ratio wb, highfineness admixtures, and high volume contents of steel fibers mostly 2% by volume, it exhibits excellent performance in terms of mechanical properties. Ultrahigh performance concrete high volume fly ash ultrafine. 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. 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. Urban development that took place through the world in the last few decades yielded significant developments for concrete technology. Team leader bridge engineering research federal highway administration 2024933122 benjamin.
The filling consists of concrete of a wide strength range. Engineers are using ultrahigh performance concrete, or uhpc, to design bridges that are more constructible, durable, and resilient. Pdf ultrahigh performance concrete material properties. Performing organization name and address department of civil engineering university of nebraskalincoln.
Among others, ultrahigh performance concrete uhpc is best known for its high mechanical strength and material durability. Part of the lecture notes in civil engineering book series lnce, volume 54. The top countries of suppliers are china, malaysia, from which the percentage of ultra high performance concrete supply is 99%, 1% respectively. Ultrahigh performance concrete introduction advances in the science of concrete materials have led to the development of a new class of cementitious composites, namely ultrahigh performance concrete uhpc. Ultrahigh performance concrete research papers academia. Yushio tai, a university of michigan visiting professor from taiwan and resident expert on concrete materials, shows the mixing of a batch of.
Design and construction of the world first ultrahigh performance concrete road bridges. Primarily, it has very high compressive and a relatively high tensile strengths when compared to conventional concrete. A wide variety of ultra high performance concrete options are available to you, there are 161 suppliers who sells ultra high performance concrete on, mainly located in asia. Definition ultrahigh performance concrete uhpc, also known as reactive powder concreterpc, is a highstrength, ductile material formulated by combining portland cement, silica fume, quartz flour, fine silica sand, highrange water reducer, water, and steel or organic fibbers. Professor, d epartment of civil engineering the university of hong k ong. Ultra high performance concrete uhpc is a milestone in concrete technology and application.
1124 388 847 708 470 642 646 1302 939 235 1303 820 273 1234 207 721 1584 858 647 214 1290 1525 656 323 524 479 821 1295 749 923 1422 5 315 567 434 684 626 977 748 113 100 264 1223 269 495 952 986 336 596