Can roller compacted concrete mixes be produced through a standard ready mix concrete plant. 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. The use of density testing for the control of fill placement and as a key indicator that material placed will meet specified parameters. Design and construction considerations for hydraulic. 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.
Rollercompacted concrete, which emerged as a viable means of constructing dams in the 1980s, allows much faster and less expensive construction than traditional methods. Concrete is weak in tension almost one tenth of its segregation, dowel bars. 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. Guide specification for construction of rollercompacted. Roller compacted concrete rcc is a concrete of zeroslump consistency in its unhardened state used in pavement and dams. Special specification 3258 roller compacted concrete. It includes detailed overviews of rcc properties and materials, mix. Rcc has the strength and performance of conventional concrete with the economy and simplicity of asphalt. Roller compacted concrete, or rcc, takes its name from the construction method used to build it.
Okamoto an investigation was conducted to develop a procedure for the design of roller compacted concrete rcc pavements. Rcc successfully and economically combines strength and durability with ease of construction. The american concrete institute aci has established aggregate gradation limits that produce quality rcc pavement mixtures. Regardless of the projects size or importance, field quality control is necessary. Zero slump consistency of dense, damp gravel no forms or finishing no reinforcing steel high production placed with asphalt type pavers consolidated with vibratory rollers concrete placed in a. Rollercompacted concrete has several advantages and disadvantages when compared to traditional dam construction. This page provides typical material properties of rollercompacted concrete rcc as reported by the national concrete pavement technology centers guide for rollercompacted concrete pavements. Mar 21, 2018 the development of roller compacted concrete rcc was a major change in the construction practices of dams and other structures. Guide specification for construction of rollercompacted concrete pavements 1. C1176c1176m practice for making rollercompacted concrete in cylinder molds using a vibrating table. Design and construction considerations for hydraulic structures.
Experimental verification of properties of roller compacted concrete for pavements. Rcc became popular due to the fact that it is a simple material to produce and place. The resulting product is a construction material with the strength character is tic of conventional concrete. If youre looking for a lowcost, highvolume, extremely durable material for your industrial pavement project, contact us today. Aggregate gradation is one of the most important property that influence the behaviour of roller compacted concrete pavement rccp. Department of the interior bureau of reclamation technical service center denver, colorado september 201. Zero slump consistency of dense, damp gravel no forms or finishing no reinforcing steel high production placed with asphalt type pavers consolidated with vibratory. In the last ten years, roller compacted concrete has been primarily used for military purposes, industrial carts, in the construction of ports, but also in commercial. Roller compacted concrete rcc is an ordinary concrete poured and compacted with machines typically used. Figure 1 shows an unsurfaced rcc used as a heavy duty pavement at composting. Rollercompacted concrete rcc is an ordinary concrete poured and compacted. For technical assistance regarding rollercompacted concrete, contact the.
Investigation into the suitability of roller compacted. Engineering properties of rollercompacted concrete shiraz 0. Special specification 3258 roller compacted concrete 1. Roller compacted concrete was first used in the 1930s and 1940s for construction of dams, while the first application in the field of roads was recorded in the 1970s. Request pdf mechanical properties and durability of roller compacted concrete pavements in cold regions roller compacted concrete pavement is a cost effective and beneficial pavement system. Nov 25, 2019 roller compacted concrete rcc was originally limited to the subbase of roads and airfield pavements, being called lean concrete or dry lean concrete. Investigation of roller compacted concrete for use in. Today, rcc is used for any type of industrial or heavyduty pavement. Introduction roller compacted concrete rcc is a stiff, zeroslump mixture. Rcc or roller compacted concrete was limited to the subbase of roads and airfield pavements and concrete dams, being called lean concrete or dry lean concrete.
Roller compacted concrete for rapid pavement construction. Properties, materials and durability of rolled compacted concrete for. Roller compacted concrete rcc is a relatively stiff or zero. Aci web sessions up until 15 years ago, all roller compacted concrete pavement material was produced using a standard pub mill. Design and construction considerations for hydraulic structures in addition, appendices are included that contain guide specifications for rcc construction appendix a, a summary of rcc costs appendix b, and samples of adiabatic temperature rise tests of rcc appendix c. Roller compacted concrete rcc is a mass concrete with zero slump consisting of wellgraded aggregate, cement and water. Compaction properties of roller compacted concrete. Engineering properties of roller compacted concrete shiraz 0. These qualities have taken rollercompacted concrete from specialized applications to mainstream pavement. There are some limitations for gradation of coarse and fine aggregates from the standards. Roller compacted concrete mix proportioning method i of making roller compacted concrete. Manual methods tables and figures are shown for each of the following rcc. This report covers the present state of the art for rollercompacted concrete pavements. 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 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. Rcc has many advantages over other pavement types, particularly cost and speed of construction. A simplified explanation of this is that drying shrinkage produces the large natural crack spacings williams, 1986. C1176c1176m practice for making roller compacted concrete in cylinder molds using a vibrating table. Properties of rcc mixes the procedures for batching rcc mixes differ from those used for batching conventional concrete, due primarily to the stiff consistency of rcc and its use of denselygraded aggregate blends.
Roller compacted concrete mix design and properties of rcc. They have the compressive strength and tensile strength results almost same as the normal concrete, ranging from 7 to percent. The rcc pavement council is a volunteer industry trade association representing the interest of those involved with the construction of roller compacted concrete pavements. It is inert and nonreactive, not corrosive, and nonhazardous. It also has provided design engineers with an opportunity to economically rehabilitate existing concrete dams. Standard practice for molding rollercompacted concrete in. Mechanical properties and durability of roller compacted. 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. 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. Roller compacted concrete background to the development of. Use of chemical admixtures in rollercompacted concrete. Roller compacted concrete rcc was originally limited to the subbase of roads and airfield pavements, being called lean concrete or dry lean concrete. Properties of hardened rcc can be similar to those of conventionally placed concrete.
Principles and practices water resources introduction one of the most common measurements used for quality control of earthfill placement is compacted density. Roller compacted concrete pavement rcc pavement council. General roller compacted concrete rcc is probably the most important development in concrete dam technology in the past quarter century. It contains information on applications, material properties, mix proportioning, design, construction, and quality control procedures. This proportioning method involves establishing a relationship between the density and moisture content of an roller compacted concrete mixture to obtain the maximum density by compacting samples over a range of moisture contents.
Roller compacted concrete for high volume roads aecom 9 2. Investigation into the suitability of roller compacted concrete as pavement material in ghana page 3 abstract this project will investigate the suitability of roller compacted concrete rcc for low volume road construction in ghana and especially for the construction. The effect of using low fines content sand on the fresh. It is defined as concrete compacted by roller, as per aci 207. Drying shrinkage is higher for higher water content mixes such are typical for concrete, while rcc is designed with a relatively low water demand to suit roller compaction. This will be the first project of this kind in mssouri and may pave the way to greater use of this sustainable and costeffective material in the future. Roller compacted concrete rcc is concrete that has no slump, no forms, no reinforcing steel, no finishing, and is wet enough to support compaction by vibratory rollers. Experimental verification of properties of rollercompacted concrete for pavements. Rcc ingredients are the same as the conventional concrete but it has different ratios in the materials that are mixedto produce the concrete. Pdf mechanical properties of roller compacted concrete with. The soil compaction method consists of the following steps. 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. Rollercompacted concrete pavements as exposed wearing surface version 1. General rollercompacted concrete rcc is probably the most important development in concrete dam technology in the past quarter century.
The term roller compaction is defined by the aci as a process for compacting concrete using a roller, often a vibrating roller. The material prepared as a dry concrete is transported by dump trucks to the manufacturing laid in layers by grader or similar. The effect of using low fines content sand on the fresh and. The main objective of this research was to develop highperformance roller compacted concrete rcc with enhanced solid skeleton to secure greater workability, mechanical properties, and frost durability. Properties, materials and durability of rolled compacted. This method allows the study of the effect of vibration frequency, vibration time and acceleration on the properties of concrete. Rollercompacted concrete rcc consists of an engineered mixture of dense graded aggregates. Pdf roller compacted concrete is a friendly pavement material to incorporate byproducts of industries. A number of mixture proportioning methods have been successfully used throughout the world for roller compacted concrete structures. Roller compacted concrete rcc is a special mixture of controlled, densegraded aggregates, portland cement and possibly pozzolans fly ash, mixed with just enough quantity of water so that it could selfstand when paved using either a slipform paver without needle vibrators or. Pdf experimental verification of properties of roller. Rollercompacted concrete rcc is an ultratough, zeroslump concrete with compressive strengths greater than 4,000 psi. Roller compacted concrete rcc is a noslump concrete placed with asphalt type paver and compacted by vibratory rollers.
Rollercompacted concrete, or rcc, takes its name from the construction method used to build it. Use of chemical admixtures in rollercompacted concrete for. Roller compacted concrete has the same basic ingredient as conventional concrete. Aceit plus is a proprietary admixture designed specifically for roller compacted concrete and cement treated bases that supplied in dry powder form. Roller compacted concrete shares both properties of asphalt and concrete so it truly represents the best of both worlds delivering short and longterm value.
It is placed with asphalt pavers to form a nonreinforced, concrete pavement. A detailed discussion on the selection and performance of aggregate blends in rcc pavement mixes may be found in aci 325. Rcc has three key properties that make it uniquely suited for dams. Rollercompacted concrete has the same basic ingredient as conventional concrete. Roller compacted concrete background to the development. Rollercompacted concrete rcc is a special mixture of controlled, densegraded aggregates, portland cement and possibly pozzolans fly ash, mixed with just enough quantity of water so that it could selfstand when paved using either a slipform paver without needle vibrators or asphalt paver. However, the most common mixture proportioning methods are variations of the following two general approaches. This page provides typical material properties of roller compacted concrete rcc as reported by the national concrete pavement technology centers guide for roller compacted concrete pavements. This tech brief presents an overview of the best practices for roller compacted concrete pavement. The first performance of rcc has been used in 1974 and it was about a repair project of intake tunnel which was collapsed is the tarbela dam. Roller compacted 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. Rcc mixture has low elastic modulus, because the heat of hydration generated is.
The tech brief discusses rcc pavement uses and provides information on rcc mixtures and construction of rcc pavements. Okamoto an investigation was conducted to develop a procedure for the design of rollercompacted concrete rcc pavements. Roller compacted concrete rcc is a new material that uses a construction technique that applies the material property theories of both soil mechanics and concrete. The appearance is very similar to the opengraded look of asphalt, only it has a much lighter color that reduces the urban heat effect and decreases lighting needs by 30%. Pdf evaluation of properties of roller compacted concrete. The compaction characteristics of extremely dry concrete are evaluated using a new method based on a variable vibration table.
Pdf rollercompacted concrete rcc and its application in. Rollercompacted concrete rcc is a form of hydraulic cement concrete hcc with properties similar to those of conventional concrete, but it is constructed in a different way. Roller compacted concrete nominated mix design if the supplier can establish the properties from another trial mix independent of this work and can demonstrate that the roller compacted concrete has been produced in a homogenous manner and meets. Roller compacted concrete roller compacted concrete rcc is a noslump concrete placed with asphalt type paver and compacted by vibratory rollers. Rcc pavements do not require joints, dowels, reinforcing steel, formwork, or finishing, and are virtually maintenancefree.
Roller compacted concrete, aci professional roller compacted. Roller compacted concrete is defined as the concrete which is compacted by roller compaction technique. Strength properties of roller compacted concrete containing ggbs as partial replacement of cement. An investigation was conducted to develop a procedure for the design of rollercompacted concrete rcc pavements. Part 645 construction inspection national engineering. Rccp is a kind of rigid pavement which needs low water and low cement. This tech brief presents an overview of the best practices for rollercompacted concrete pavement. Like the normal concrete, the ratio depends on aggregate type, cement content, age etc. Rollercompacted concrete rcc shall consist of aggregate, portland cement, possibly other supplementary cementing materials fly ash, slag and silica fume and water.
Rcc is a mixture of aggregate, cementitious materials, and water, with or without admixtures, similar to conventional hcc. Roller compacted concrete pavement rccp gradually has been considered as an attractive alternative to conventional road construction due to it is relatively easier to produce and more economical. The study will evaluate the fresh and hardened properties, durability, and insitu performance of roller compacted concrete rcc for pavement applications. Design and construction considerations for hydraulic structures rollercompacted concrete second edition u. The concrete mixture used for construction should keep in an unhardened state to support the roller compaction. Rollercompacted concrete rcc material properties acpa.
Construction techniques for rollercompacted concrete. One method is building the dams withroller compacted concrete rcc,which is a concrete that is compacted by vibrating roller equipment. Technical brief on rollercompacted concrete pavement. Rollercompacted concrete rcc is a new material that uses a construction technique that applies the material property theories of both soil mechanics and concrete. Its placed with conventional or highdensity asphalt paving equipment,then compacted with rollers. The study involved the development of a stepwise mixture design methodology to select aggregate proportioning and particlesize. Roller compacted concrete properties, advantages, and. Pdf strength properties of roller compacted concrete containing. Rollercompacted concrete rcc material properties acpa wiki. Rollercompacted concrete rcc is a noslump concrete that is compacted by vibratory rollers. Earthquake aspects of roller compacted concrete and.
Properties of hardened rcc are similar to those of. The american concrete institute aci 116r1 defines rcc as concrete compacted by roller compaction. 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. In view of the fact that many of the observations made and the hypotheses presented relate to the nature of rcc as a material and the methods applied for construction, it is considered appropriate to provide the reader with some background on rcc in these areas. It is transported, placed, and compacted using earth and rockfill construction equipment. The use of rcc has allowed many new dams to become economically feasible due to the reduced cost realized from the rapid construction method. Rollercompacted concrete rcc portland cement association. This paper is a report on the laboratory portion of the investigation that was conducted to determine the engineering properties of rcc.
52 719 496 425 678 1125 1395 564 1396 608 88 395 474 670 383 421 237 606 105 151 575 505 926 272 922 1209 1363 484 760 974 76 1395 12 472 809