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