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. Overview roller compacted concrete rcc is a stiff, zeroslump concrete mixture comprised of coarse and fine aggregates, portland cement, fly ash, and water. 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. Alphabetical list of rcc contractors click name for website a. Roller compacted concrete paving at cemex duration. The rcc pavement council is a volunteer industry trade association representing the interest of those involved with the construction of roller compacted concrete pavements. Historical concrete pavements roller compacted concrete rcc legislative acpa legislative issues committee north american concrete alliance naca literature advocacy flyers free downloads industry library. Technical brief on rollercompacted concrete pavement fhwa. Technical brief on rollercompacted concrete pavement.
In the pavements, rcc usually uses by an asphalt paver and with a vibrating roller compacted. Would you like to get out of that asphalt pavement repair rut. Guide specification for construction of rollercompacted concrete pavements 1. Theres no need to seal coat or resurface roller compacted concrete. 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. Roller compacted concrete rcc has been a known technology for paving since the early 1930s. Rollercompacted concrete has the same basic ingredient as. Roller compacted concrete rcc rcc pavement council. Thickness design of rollercompacted concrete pavements. Guide for rollercompacted concrete pavements iowa state. Rcc requires no formwork or reinforcement, the surface texture is smooth and suitable for parking, materials handling and road pavements where the.
Like the normal concrete, the ratio depends on aggregate type, cement content, age etc. This type of concrete has become very popular due to the fact that it is a simple material to produce and because it can be placed fast while producing a great surface. Roller compacted concrete paving rcc got its start in the seventies. Rcc pavement council rollercompacted concrete pavement.
Rcc does not involve the use of internal vibration that typically is used to consolidate concrete used in conventional paving operations. Rollercompacted concrete pavements were first used in the 1970s for stabilization of logging roads in the us and canada. Does your project require a tough pavement, capable of withstanding repeated heavy loadings. Rcc mixture has low elastic modulus, because the heat of hydration generated is.
Rollercompacted concrete rcc, which takes its name from the construction method used to build it, is a concrete of zeroslump consistency in its unhardened state. The tech brief discusses rcc pavement uses and provides information on rcc mixtures and construction of rcc pavements. But it has the drawback of a rough surface with little aesthetic appeal, leading some owners to use it as a subbase with an asphalt overlay. On the other hand, concrete pavements rigid pavement. Rollercompacted concrete whats the future for airports. Concrete pavements transportation research board webinar 2. 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. Rollercompacted concrete rcc portland cement association.
A contractor and chemical maker may have resolved these issues. Crushed or uncrushed coarse aggregates may be used, although crushed aggregates are preferred. Rcc pavement council explains roller compacted concrete. Roller compacted concrete pavements american concrete. Asphalt and concrete, move over and make way for roller compacted concrete rcc. We place it with highdensity specialized paving equipment, then compact it with rollers.
This guide provides owneragencies, contractors, materials suppliers, and others with a thorough introduction to rollercompacted concrete rcc and its many paving applications. Rcc does not involve the use of internal vibration that typically is used to consolidate concrete used in conventional paving. Todays rcc owes much of its versatility to economically competing with other paving. In 1986, an rcc pavement was constructed at burlington notherns inermodal hub facility in houston, tex. Rollercompacted concrete has the same basic ingredient as conventional concrete. Rollercompacted 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. The rcc is placed using dump trucks and a modified asphalt paver, then rolled to get the needed compaction. The resulting surface looks a little rough, but it gains. This guide describes rcc and how it works as a paving material, how it compares to concrete pavement, its common uses and benefits, and potential limitations compared. It has proven to be a very effective heavy duty pavement that can stand up to harsh climates, heavy wheel loads and difficult operating conditions. Its placed with conventional or highdensity asphalt paving equipment and compacted with rollers. Based on roller compacted concrete rcc technology, pavamax is durable, economical and sustainable. They have the compressive strength and tensile strength results almost same as the normal concrete, ranging from 7 to percent.
Roller compacted concrete is a cost effective alternative to asphalt or traditional concrete paving. International society for concrete pavements to further. Rcc has a long service life requiring minimal maintenance. Roller compacted concrete is a stiff, zeroslump concrete mixture that is mixed, placed, and roller compacted with the same commonly available equipment used for asphalt pavement construction. In november, the texas department of transportation completed its first mainline, highspeed rcc federal highway in leakey, 100 miles west of san antonio. Complete general construction conewago enterprises, inc. Rollercompacted concrete pavement rcc has been used for several decades in specific applications, mostly for heavyduty industrial pavements. Rollercompacted concrete, or rcc, takes its name from the construction method used to build it. The replacement of pozzolanic materials in rccps may help offset the carbon footprint of cement production. Rollercompacted concrete rcc shall consist of aggregate, portland cement, possibly other supplementary cementing materials fly ash, slag and silica fume and water. This tech brief presents an overview of the best practices for rollercompacted concrete pavement.
Roller compacted concrete pavement, is a type of nonreinforced concrete pavement placed with high density paving equipment and then compacted with vibratory rollers. Rcc has the same basic ingredients as conventional concrete. Its placed with conventional or highdensity asphalt paving equipment,then compacted with rollers. Guide specification for construction of rollercompacted.
Its also resistant to fuels, oils, solvents and other fluids. Roller compacted concrete pavement has many uses including the rebuilding of residential streets for municipalities, as well as commercial applications in paving parking areas, truck docks and structural sub flooring in warehouses and distribution centers, to name just a few. The pavement was a loading apron that enabled the freight cars to be loaded and unloaded by large, heavy, slowmoving forklifts. 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. Roller compacted concrete pavement using natural pozzolan. Roller compacted concrete for roadway paving final report 3 the aggregates in rcc typically comprise 75 to 85 percent of the volume of the mixture aci, 2001, adaska, 2008. Roller compacted concrete, rcc ag peltz group, llc. 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 included in dmrb britpave. When the logging industry switched to environmentally cleaner, land based logsorting methods.
Roller compacted concrete pavement, is a type of nonreinforced concrete pavement placed with high density paving equipment and compacted with vibratory. Roller compacted concrete rcc city of roseville cnca. The surface of rccp is not smooth, therefore, the most common use of this pavement is in industrial. Because of the low water content used in the mix and resulting low. As a nationwide leader in the concrete paving industry, we are committed to constructing durable, sustainable and smooth rollercompacted concrete pavements. Roller compacted concrete rcc takes its name from the construction method used it is placed by modified asphalt paving equipment, but it is stiff enough to be compacted by vibratory rollers. Singel who said rollercompacted concrete rcc pavement was only for lowerspeed roads or industrial applications. Using our vibratory roller equipment and screed technologies, we can place and roller compact rcc pavement in a manner similar to our asphalt pavement construction solutions.
The partial substitution of fly ash for portland cement is an important aspect of rcc dam construction because the heat generated by. Rollercompacted concrete, or rcc, is a stiff, zeroslump concrete mixture comprised of course and fine aggregates, portland cement, fly ash and water. Roller compacted concrete rcc is a revolutionary pavement that blends the speed and cost savings of asphalt construction with the longevity. Roller compacted concrete pavement rcc koss construction. Rcc shall be proportioned, mixed, placed, compacted and cured. Rollercompacted concrete rcc is an economical, fastconstruction candidate for many pavement applications. Roller compacted concrete wont rut from heavy axle loads or tear from turning or braking vehicles. Roller compacted concrete contractor andale construction. Peltz group llc andale construction company branscome companies bos concrete calumet civil contractors, inc. However, in recent years its use has expanded into commercial areas and local streets and highways. Roller compacted concrete rcc was originally limited to the subbase of roads and airfield pavements, being called lean concrete or dry lean concrete.
Larry scofield, director, pavement innovationamerican concrete pavement association acpainternational grooving and grinding association igga, said that by a virtual meeting, the sps2 pavement. Rcc is a stiff, zeroslump concrete mixture with the consistency of damp gravel. The industry needed a strong pavement to stand up to massive loads and specialized equipment. Typically, rollercompacted concrete has been used for heavy duty. Nowadays, the mixtures of aggregates and bitumen known as asphalt or flexible pavement structures are most commonly used for construction of pavement structures worldwide. Rollercompacted concrete pavement employs a concrete paving technology that involves laydown and compaction of a zeroslump concrete mixture using equipment similar to that used in placement and compaction of asphaltic concrete pavement. Roller compacted concrete properties, advantages, and. The high strength of rcc pavement eliminates ongoing costly problems traditionally associated with asphalt pavements. It has traditionally been used for pavements carrying heavy loads in lowspeed areas because of its relatively coarse surface. It is defined as concrete compacted by roller, as per aci 207. Rollercompacted concrete pavements as exposed wearing surface version 1. Rollercompacted concrete rcc, a durable paving material that carries heavy loads, is now developing as a fast, economical construction method for dams, offhighway pavement projects, heavyduty parking and storage areas, and as a base for conventional pavement.
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