Feb 27, 2017 rcc also requires a different mixing process due to the very dry mix. Thickness design of rollercompacted concrete pavements. Concrete producers must retrain their eyes for this very fluid mixture as it turns corners and fills forms. This webinar will introduce specifiers to roller compacted concrete. Rollercompacted concrete mix design procedure with gyratory. The rcc pavement council supports research and promotion to improve the quality of rcc pavements and expand their use in a responsible and sustainable manner. Rollercompacted concrete an overview sciencedirect topics. Jul 09, 2012 a brief overview of the roller compacted concrete process. Chaney compacted concrete is chaney enterprises roller compacted concrete rcc paving mix which has been specially formulated and optimized for strength and mix stability. Rccpave the pavement engineer can use the rccpave software or manually solve for pavement thickness using nomographs and charts developed for rccpave. Also on the docket are the following activities and programs. It is a fast, economical construction method for dams, offhighway pavement projects, heavyduty parking and storage areas, and as a base for conventional pavement. Design and construction considerations for hydraulic structures.
Roller compacted concrete webinar national ready mixed. Roller compacted concrete, or rcc, takes its name from the construction method used to build it. The soil compaction method is a six step mixture design method for rollercompacted concrete pavements. Special specification 3258 roller compacted concrete 1. A number of mixture proportioning methods have been successfully used throughout the world for roller compacted concrete structures. Rcc pavement council explains roller compacted concrete. Roller compacted concrete pavement is best described as a zero slump concrete that is placed with standard or highdensity paving equipment and consolidatedcompacted using steeldrum or rubbertired rollers to achieve a. Rollercompacted concrete rcc mixture proportioning. Materials division business virginia department of.
Special specification 3258 roller compacted concrete. This guide for rollercompacted concrete pavements is a product of the national concrete pavement. Mix design proportioning methods for no slump concrete applicable for. In recent studies by 24 used the rsm to establish mix design models for roller compacted concrete. This includes a process profile as well as a default but editable roller compacted concrete mix design. Rollers are then driven over the concrete to compact it down. Click on the publication title in the sortable list below. Rcc will provide the final riding surface unless shown on the plans as base course where it will be covered with one or more lifts of asphalt concrete pavement. Thermal analysis of roller compacted concrete rcc dams plays an important role in their design and construction. For this reason, when designing roller compacted concrete pavements using conventional pavement design software, such as winpas or streetpave, it is recommended that the default reliability level be increased by 5 percent to achieve results comparable to those of traditional roller compacted concrete pavement design software such as rccpave. Department of the interior bureau of reclamation technical service center denver, colorado september 201. Roller compacted concrete calculator chaney enterprises.
With its placement and quickset advantages, the use of roller compacted concrete is gaining fresh energy among contractors and road agencies. Rollercompacted concrete rcc mixture proportioning acpa wiki. Case study on design, construction, and performance. Rcc has the same basic ingredients as conventional concrete. It is not as pretty and smooth as regular concrete. Engineering and design roller compacted concrete 1.
Different types of ready mix concrete cemex usa cemex. The concrete mix achieves a high density and cures over time into a strong monolithic block. Uses the principles of soil compaction to produce a lean rcc, where the optimum water content of the concrete is the one that produces the maximum dry density of the mixture. This instance marks the first usage of rcc pavement in the interstate highway system in the united states. Rollercompacted concrete mix design procedure with gyratory compactor article in transportation research record journal of the transportation research board 18931. Rollercompacted concrete rcc pavements are a type of concrete pavement that do not include embedded steel or load transfer devices and typically is not jointed due to its method of placement. Important notes and conditions this program is for the personal use of fulltime. The rcc is being placed by calumet civil contractors utilizing their high density paver. This guide for rollercompacted concrete pavements is a product of the national concrete pavement technology center national cp tech center at iowa state universitys institute for transportation, with funding from the portland cement association. This method is the most commonly used method for rcc pavements. Rent or buy rcc dams roller compacted concrete dams.
The tech brief discusses rcc pavement uses and provides information on rcc mixtures and construction of rcc pavements. Roller compacted concrete mix design and properties of rcc. The rcc pavement council is a volunteer industry trade association representing the interest of those involved with the construction of roller compacted concrete pavements. Rougher surface texture the mix design and construction methods that make roller compacted concrete so fast, easy, cheap, and durable also create a surface texture that gives it a characteristic coarse finish. Astm c1602 standard specification for mixing water used in the production of hydraulic. C 3 has the same ingredients as conventional concrete but is premixed at the plant then shipped in a dump truck and placed with equipment common to the asphalt. Pdf developing economical roller compacted concrete mix for.
Readme and documentation pdf 860 kb pavement design and evaluation documents. Mix design of roller compacted concrete the constructor. Roller compacted concrete rcc as an economical, fast construction and sustainable materials has attracted increasing attention for pavement construction. In previous research, the gyratory compactor has proved to be a reliable instrument and overcome the drawbacks of other methods used to mold laboratory and field samples. Rollercompacted concrete rcc continues to gain recognition as a competitive. Based on beams and cores obtained from a test section, the relationship between the compressive and flexural strengths of roller compacted concrete appears to be similar to that for conventional. This tech brief presents an overview of the best practices for roller compacted concrete pavement. Said kenai, in waste and supplementary cementitious materials in concrete, 2018. The purpose of this manual is to provide information and guidance on the use of roller compacted concrete rcc in dams and other civil works structures.
A comprehensive study in roller compacted concrete pavement. Mix design proportioning methods for roller compacted concrete rcc. I know that the mix design and construction methods will vary, but not sure if there will be any difference in the thickness of concrete or aggregate base. They have further optimized the rcr mixtures by minimizing the water absorption and enhancing. A comprehensive study in roller compacted concrete.
Thickness design of rollercompacted concrete pavements shiraz 0. Hydraulic cement concrete mix design and control 2014 mix design tx1001. One such structure that is gaining popularity is the use of rollercompacted concrete rcc base with a hotmix asphalt hma overlay. Athena sustainable materials institute announces major. Made possible by value engineered designmix optimizationrecycling of insitu materials.
Design and construction considerations for hydraulic structures rollercompacted concrete second edition u. Rollercompacted concrete rcc thickness design acpa wiki. May 01, 2017 rollercompacted concrete has the same basic ingredient as conventional concrete. Having characteristics of both asphalt and concrete pavements, rcc is best described as a third pavement choice. Pavements program manager, portland cement association. Design and construction seminar accommodations for overnight accommodations may we suggest within walking distance.
Difference between roller compacted concrete and conventional. Rollercompacted concrete, or rcc, takes its name from the construction method used to build it. Its placed with conventional or highdensity asphalt paving equipment,then compacted with rollers. Roller compacted concrete pavement is best described as a zero slump concrete that is placed with standard or highdensity paving equipment and consolidated compacted using steeldrum or rubbertired rollers to achieve a durable, wear resistant surface. Pca pave software predictions structural capacitypredicted service life for assumed loadings. For technical assistance regarding rollercompacted concrete, contact the. Rollercompacted concrete rcc takes its name from the method used to construct it. Traditionally, concrete with the fluidity of scc has had a very high watertocement ratio, which would lower compressive strengths and compromise. Technical brief on rollercompacted concrete pavement. Practical concrete mix design has been compiled to help readers understand the concrete mix design methodology, including formulas and tables involved in the pertinent steps.
But unlike conventional concrete, its a drier mixstiff enough to be compacted by vibratory rollers. Rccpave computer program software for thickness design of. An rcc mix design procedure using the gyratory compactor can benefit many transportation agencies because it provides a reliable way to evaluate the strength and density of rcc mix designs. Aci 116 defines roller compacted concrete as concrete compacted by roller compaction. It includes detailed overviews of rcc properties and materials, mixture proportioning, structural design issues, and production and construction considerations, plus.
Rollercompacted concrete whats the future for airports. Rcc is capable of providing concrete with relatively high in. Rollercompacted concrete rcc portland cement association. It represents a competitive solution in terms of cost and durability when compared to asphalt. So, roller compacted concrete is different from the traditional concrete mixture with regard to necessary consistency. This paper deals with the development of a finite element based computer code for the determination of temperatures within the dam body. Chaney enterprises is not responsible for any discrepancies in material based on calculations made with this application.
Roller compacted concrete concretebasics building excellence. The addition of roller compacted concrete within the software. Pumping lightweight concrete can be achieved, but care needs to be taken so that the concrete mix doesnt separate. Because of its unique design mix, pervious concrete is a highly. Roller compacted concrete rcc or rolled concrete rollcrete is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for portland cement. Roller compacted concrete is a durable paving material that is capable of withstanding heavy loads. Tayabji and david r halpenny rollercompacted concrete rcc is a relatively stiff or zero slump concrete mixture that is compacted by vibratory roller. Mix proportioning and properties of rollercompacted concrete. Rollercompacted concrete compacted in place and cured, rollercompacted concrete is a zero slump concrete with the abrasion resistance to withstand high velocity watermaking it the material of choice for spillways and other infrastructure subject to high flow conditions.
Roller compacted concrete is typically used for concrete pavement, but has also been used to build concrete dams, as the low cement content causes less heat to be generated while curing than typical for conventionally placed massive concrete pours. Mix design, thickness design, and construction of roller. Roller compacted concrete, specifies that the quality. Rcc is mainly used for the construction of massive. Below are links to excel forms for use with sitemanager, a software program that automates and streamlines the management of highway construction contracts. Attendees will learn the basics of rcc design and construction. Thickness design of a rollercompacted concrete composite pavement system many agencies continue to investigate ways of optimizing pavement designs to save money while still providing a durable pavement structure. Customized gint library, data templates, and microstation converter zip 1 mb updated may 1, 2018. Roller compacted concrete has the same basic ingredient as conventional concrete. Sitemanager forms texas department of transportation.
Elements discussed include investigation and selection of materials, mixture proportioning, material properties, design and. Thickness design of a rollercompacted concrete composite. An extensive trial mix program was undertaken in the laboratory before the full scale trial. But unlike conventional concrete, rcc is a drier mixstiff enough to be compacted by vibratory rollers. Rcc wiki pages acpa will develop wiki pages providing best practice information for roller compacted concrete. Over the years, rollercompacted concrete rcc has been used successfully for the construction of industrial pavements such as log sort yards, military hard. The task force now looks ahead to technology transfer for guide specification, construction best practices, and rcc mix designs. White abstract rollercompacted concrete pavement rccp is a technology that involves the use of conventional materials and construction equipment in an unconventional ap plication. Compacted in place and cured, rollercompacted concrete is a zero slump concrete with the abrasion resistance to withstand high velocity watermaking it the material of choice for spillways and other infrastructure subject to high flow conditions. Columbia south carolina, consists of a 5,500footlong rockfill berm and a 2,200 foot long roller compacted concrete rcc berm. Ag peltz rcc paving contractor roller compacted concrete. Rollercompacted concrete is typically used for concrete pavement, but has also been used to build concrete dams, as the low cement content causes less heat to be generated while curing than typical for conventionally placed massive concrete pours. 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 design. Regardless of the projects size or importance, field quality control is necessary.
Materials overview for business transformation office. Rollercompacted concrete has the same basic ingredient as conventional concrete. This book helps engineers understand the mix design procedure, through illuminating every possible explanation for each step. Mix design, thickness design, and construction of rollercompacted concrete pavement thomas d. Promotional and technical publications are available for free download or purchase. Roller compacted concrete rcc paving has been around for more than four decades and has been effectively used in ports, intermodal yards and industrial applications. We are a volunteer industry trade association supporting research and promotion of roller compacted concrete pavement to improve the quality of rcc pavements and expand their use in a responsible and sustainable manner. Seminar crowne plaza hotel 3377 peachtree road4042641111 doubletree hotel 3342 peachtree road4042311234 embassy suites buckhead. Although central mix plants have been utilized successfully to produce rcc mixes, the most consistent results have been. There are a number of factors that should be considered when designing an rcc mixture and they include constructability, mechanical strength. Mechanical performance of roller compacted concrete. Mix design materials testing archives rcc pavement council. Thickness design of a roller compacted concrete composite pavement system many agencies continue to investigate ways of optimizing pavement designs to save money while still providing a durable pavement structure. Rcc pavements using conventional pavement design software such as.
For pumpable mixes it is usual to use a natural sand, i. Scc looks very different from conventional concrete while mixing. Materials used in rcc mix design a cementitious materials. Load transfer is provided in an rcc pavement by way of enhanced aggregate interlock developed due to the compaction of the fresh rcc in addition to an optimized aggregate gradation that includes a. Roller compacted concrete pavement council supporting rcc. Roller compacted concrete experts ag peltz rcc paving. Jan 04, 2016 with its placement and quickset advantages, the use of roller compacted concrete is gaining fresh energy among contractors and road agencies. Roller compacted concrete rcc is a special dry concrete with zero slump made from the same constituents as ordinary concrete but with low cement content. Results for several rcc mixtures compacted to different densities are presented, along with comparisons with modified proctor test results. This document provides a guideline specification useful for developing project specifications for roller compacted concrete rcc as an exposed rcc pavement surface, that may or may not be diamond ground for smoothness andor texture. The growth of rollercompacted concrete pavement used in different regions is impeded by concerns regarding.
Roller compacted concrete rcc pavements are durable and can be built rapidly and economically. In 2004, the georgia department of transportation gdot used rollercompacted concrete rcc for interstate 285 shoulder reconstruction in atlanta. Roller compacted concrete pavement council supporting. If you need further assistance, please call our office at. Design and construction considerations for hydraulic. Rollercompacted concrete pavements as exposed wearing surface version 1.
Roller compacted concrete pavement rcc, is a type of nonreinforced concrete pavement placed with high density paving equipment and then compacted with vibratory rollers. Roller compacted concrete materials and mix proportion. Selection of proper materials and correct proportioning is critical to the production of quality roller compacted concrete mixtures. The high density paver compacted the mix to 92% density before a roller was applied to achieve final compaction. The mix design is typically unique to the job at hand. We place roller compacted concrete with highdensity specialized paving equipment, then compact it with rollers. While the finished product is essentially concrete pavement, the engineering and construction of this pavement is very different from conventional concrete pavement. It means the concrete should be sufficiently dry for resisting the sinking of the roller equipment but at the same time, it should be sufficiently wet to. Development of finite element computer code for thermal.
As a result, the flexural strength of roller compacted concrete, depending on the mix design, is generally highranging from 500 to 1,000 psi. Design examples for both rccpave and the usace procedures can be found in the guide for rollercompacted concrete pavements. Comparison of surface texture of conventional concrete, rcc, and hot mix asphalt comparison of typical mixture proportions of rcc and conventional concrete roller compacted concrete rcc pavements are a type of concrete pavement that do not include embedded steel or load transfer devices and typically is not jointed due to its method of placement. Mix design proportioning methods for no slump concrete applicable for roller compacted concrete. Rccpave is the pavement design software tool for rcc, this is the guide that supports the software. At elkwater fork dam, the grouting program consisted of a. C 3 chaney compacted concrete is chaney enterprises roller compacted concrete rcc paving mix which has been specially formulated and optimized for strength and mix stability. This calculator should be used as an estimating tool only. Roller compacted concrete mix proportioning method i of making roller compacted concrete. Rollercompacted concrete mix design procedure with. One such structure that is gaining popularity is the use of roller compacted concrete rcc base with a hot mix asphalt hma overlay. Rollercompacted concrete rcc is a special dry concrete with zero slump made from the same constituents as ordinary concrete but with low cement content. Calcrete is a comprehensive suite of 16 computer aided elearning modules on concrete materials, design and construction, containing essential material and information for all construction professionals from architects to site engineers latest build.
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