Stonemontqc is fully integrated with the aggregate portion allowing for mix component properties to be easily kept current with data from aggregate plants. American concrete institute method of mix design aci211. Chapter 6 proposed mix design method for hpc and validity. Self consolidating high performance concrete scc self. This paper presents a new approach which is based on stepwise optimization of particle packing density for ultra high performance concrete uhpc mix design. Guide specification for high performance concrete for bridges. It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40 mpa or greater. Concrete highearlystrength concrete, also called fasttrack concrete, achieves its specified strength at an earlier age than normal concrete. Pdf an expert system for mix design of high performance. Concrete mix design is the process of detrmining right proportions of cement, sand and aggregates for concrete to achieve target strength of concrete. High performance concrete seminar and ppt with pdf report. High performance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete.
It is a type of high performance concrete generally with a specified compressive strength of 6,000 psi 40. Mix design of high performance concrete hpc is different from that of usual concrete because of the following reasons. The mix design must experience minimal creep and shrinkage to reduce prestress losses, and shrinkage cracking. High compressive strength for skyscraper and high rise building to maximize the useable floor area and slim structure. High performance concrete pavements project summary office of infrastructure office of pavement technology washington, dc 20590 publication no. The knowledge was acquired from various textual sources and human experts. The advantages of concrete mix design is that it gives the right proportions of materials, thus making the concrete use economical in achieving required strength of structural members. It is a concrete mixture, which holds high durability and high strength when compared to conventional concrete. This research evaluated the suitability of stone dust in the design and production of high performance concrete hpc.
Once it is decided to use highstrength, highperformance concrete, the mix design and production process can begin. Traditionally, concrete with the fluidity of scc has had a very high watertocement ratio, which would lower compressive strengths and compromise. Pdf high strength concrete offers many advantages in the construction of high rise buildings and bridges. Therefore, the composition of highperformance concrete is almost the same as that of conventional cement concrete.
Scc mixtures can be designed to provide the required hardened concrete properties for an application, similar to regular concrete. 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 performancerelated criteria. Where as in conventional cellular concrete these can not be achieved. 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. A mix design procedure for high performance concrete mixes has been presented in this paper. Fhwa uhpc is a cementitious composite material composed of an optimized gradation of granular constituents, a watertocementitious materials ratio less than 0. However, it has many features such as high strength, smooth fracture surface, low permeability, discontinuous pore, etc. Key words uhpc, ultra high performance concrete, fiberreinforced concrete, bridges, structural. Highperformance concrete is defined as a concrete that meets special combination of performance and uniformity requirements that cannot always be achieved routinely.
Key words uhpc, ultrahigh performance concrete, fiberreinforced concrete, bridges, structural. This video animation, animated video explains the concept of high strength concrete. Welcome to the federal highway administrations high performance concrete exchange community of practice. Apr 08, 2015 high performance concrete the development of high performance concrete hpc is a giant step in making concrete a hightech material with enhanced characteristics and durability. Explore high performance concrete with free download of seminar report and ppt in pdf and doc format. High compressive strength for skyscraper and high rise building to maximize the useable floor area and slim structure durability.
The materials used and concepts involved in increasing the strength of concrete must be clearly understood in order to obtain the desired properties. Scc looks very different from conventional concrete while mixing. High strength concrete is defined based on its compressive strength at a given age whereas high performance concrete is defined based on. 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. Txdot is also taking steps to provide concrete that resists other forces of deterioration.
High performance concrete seminar report, ppt, pdf for. With the above mix proportion, rheological test was carried out and compressive strength cube strength was. Uhpc is being considered for use in a wide variety of highway infrastructure applications. Stonemontqc is fully integrated with the aggregate portion. Since rheological parameters and compressive strength. A new mix design method for uhpc based on stepwise. The report concludes with recommendations for the future direction for uhpc applications in the united states.
A mix design procedure for highperformance concrete mixes has been presented in this paper. Use of stone dust in the design of high performance concrete. For the purposes of this specification, high performance concrete hpc is considered as. This design guide serves to extend the use of concrete beyond grade 60 in the design of concrete structures using cp65. Mix design of high performance concrete using silica fume. In 1970, the method of mix design became the responsibility of aci committee 211. Development of high performance concrete and evaluation of. Apr 21, 2015 concrete is the most widely used construction material in india with annual consumption exceeding 100 million cubic meters.
Highperformance concrete is defined as 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. High earlystrength high performance 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. The total quantity of materials called as binders thus will include both cement and desired quantity of mineral admixture micro silica. Cip 33 high strength concrete what is high strength concrete.
Highearlystrength highperformance concrete for rapid. Stepwise optimization of particle packing density kim huy hoang, philipp hadl, nguyen viet tue institute of structural concrete, graz university of technology, austria abstract. The required properties for concrete to be classified as high performance therefore depend on the properties of normal concrete achievable at. 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. The time period in which a specified strength should be achieved may range from a few 300 design and control of concrete mixtures eb001 table 171. This paper describes a prototype expert system called hpcmix that provides proportion of trial mix of high performance concrete hpc and recommendations on mix adjustment. Mix design of high performance concrete hpc is a complicated procedure as the mixtures usually consist of many possible combinations. Concrete mix design one of the ultimate aims of studying the various properties of the materials of concrete, plastic concrete and hardened concrete, is to enable a concrete technologist to design a concrete mix for a particular strength and durability. This report presents the development of ultra high performance concrete uhpc using locally available materials thatreduce construction costs compared with commercial products. Since rheological parameters and compressive strength are fundamental properties of concrete in two. The higher strength is achieved through a mix design with a low watercement ratio and admixtures. Pdf high strength concrete offers many advantages in the construction of highrise buildings and bridges. This page contains high performance concrete seminar and ppt with pdf report. If the scc mixture is designed to have a higher paste content or fines compared to conventional concrete, an increase in shrinkage may occur.
High performance concrete hpc exceeds the properties. Highearlystrength 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. Highperformance concrete may be defined as concrete with strength and durability significantly beyond those obtained by normal means. Jun 28, 2018 this video animation, animated video explains the concept of high strength concrete. Fiberreinforced concrete frc typical loaddeflection curves for plain concrete and fiberreinforced concrete are shown below. The conditions that prevail at the site of work, in particular. With the aim of achieving a specified compressive strength of 20 ksi, a uhpc mixture is formulated. High performance concrete seminar ppt with pdf report. 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. Highperformance concrete hpc is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. High performance concrete is necessary for the construction of high rise building and long span bridges. Materials and methods for high performance concrete.
As a result of recent concrete research, new mixes were created incorporating various quantities of fly ash. High performance concrete is necessary for the construction of. Concrete mix design and quality control software management system stonemontqc includes a powerful concrete mix design and quality control software program for concrete producers. 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. The allowable concrete tensile stress used in flexural design of hpc girders should be limited to 6. Ultra high performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and high performance concretes. In 1954 the method was revised to include, among other modifications, the use of entrained air.
Highperformance concrete an overview sciencedirect topics. Concrete high earlystrength concrete, also called fasttrack concrete, achieves its specified strength at an earlier age than normal concrete. Development of high performance concrete and evaluation of construction joints in concrete floating bridges development of high performance concrete and evaluation of construction joints in concrete floating bridges by rafik itani, eyad masad, bart balko and brian bayne washington state transportation center trac. High strength and high performance concrete materials and. The materials combination of superior properties facilitates the ability to design thin, complex shapes. Pdf a mix design procedure for highperformance concrete mixes has been presented in this paper. Fiber reinforced concrete frc university of washington. Hpc mix was designed, tested, costed and a comparison of concrete classes used in the market class 25, 30 and 35 done using cost benefit analysis cba. High performance concrete is an engineered concrete obtained through a careful selection and proportioning of its constituents. The usage of mineral admixtures in the concrete not only enhances its strength properties but also durability. Chapter 6 proposed mix design method for hpc and validity mix proportioning of high performance concrete for indian environment 231 admixture such as micro silica. Toughness area under the curve concrete technology 10 fiberreinforced concrete frc plain concrete fails suddenly once the deflection corresponding to the ultimate flexural strength is exceeded. At first the method of superplasticizerwater solution demand measurement was used to find out. High performance concrete pavements project summary office of infrastructure office of pavement technology washington, dc 20590.
Performancebased concrete pavement mix design system the final product of this track will be a practical yet innovative concrete mix design procedure with new equipment, consensus target values, common laboratory procedures, and full integration with both structural design and field quality control a lab of the future. Once it is decided to use high strength, high performance concrete, the mix design and production process can begin. In lightweight concrete, high performance may more often refer to strengths greater than or equal to 6000 psi. Ultrahigh performance concrete has a discontinuous pore structure that reduces liquid ingress, significantly enhancing durability compared to conventional and highperformance concretes. Therefore, the composition of high performance concrete is almost the same as that of conventional cement concrete.
We are dedicated to the exchange of practical, realworld knowledge and solutions, construction project information and performance history throughout the high performance concrete community to better meet the needs of our customers and partners. Since rheological parameters and compressive strength are fundamental. Concrete producers must retrain their eyes for this very fluid mixture as it turns corners and fills forms. High performance concrete hpc does not necessarily require high strength but the mix proportioning should be such that permeability is as low as possible for the particular use. Uhpc 101 ben graybeal, fhwa february 2017 what is ultrahigh performance concrete. However, it has many features such as high strength. Since rheological parameters and compressive strength are fundamental properties of concrete in two different stages of production, the correlation between rheological parameters and compressive strength has been used instead of using watercement ratio versus compressive strength relationship. This paper presents a new approach which is based on stepwise optimization of particle packing density for ultrahigh performance concrete uhpc mix design. Highperformance concrete hpc exceeds the properties. Project requirements in concrete design recent projects aim for high performance concrete mix design to facilitate the concreting works to suit specific applications. A mix design provides a starting mix proportions that will have to be more or less modified to meet the desired concrete characteristics. The compressive strength are investigating finding. Civil engineering animated videos, civil engineering videos social m. Mix proportioning of high performance concrete request pdf.
Hence, it is intended for use by engineers familiar with the design of concrete structures using particularly cp65 but who have little or no experience of high strength concrete hsc. Designing concrete mixtures there are three phases in the development of a concrete mixture. Conventionally, numerous laboratory works are required. How to make ultra high performance concrete hunker. Pdf mix design of highperformance concrete researchgate. Mix design of high strength concrete methods, procedure, example.