Roller Compacted Concrete Mix Design Pdf

Mix design proportioning methods for roller compacted concrete rcc.

Roller compacted concrete mix design pdf.

One method is building the dams withroller compacted concrete rcc which is a concrete that is compacted by vibrating roller equipment. Innovative applications of cement and concrete for public works. Roller compacted concrete pavement is a type of non reinforced concrete pavement placed with high density paving equipment and then compacted with vibratory rollers. While the finished product is essentially concrete pavement the engineering and construction of this pavement is very different from conventional concrete pavement.

The soil compaction method is the most widely used mixture proportioning method for roller compacted concrete pavements. Rcc ingredients are the same as the conventional concrete but it has different ratios in the materials that are mixedto produce the concrete. This guide for roller compacted concrete pavements is a product of the national concrete. 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.

Pcrfonning orgn nizntion code 7. It is therefore recommended that users determine how soon the pavement needs to be opened for traffic and then design the most cost effective pavement section and roller compacted concrete mixture meeting the requirement. Guide for roller co1npoc1ed concrete paveincnts august 2010 6. Materials used in rcc mix design a cementitious materials.

Any kind of. 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. 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. It is known for its rapid construction method.

It is placed with asphalt pavers to form a nonreinforced concrete pavement. Engineering and design roller compacted concrete 1. It includes detailed overviews of rcc properties and materials mix ture proportioning structural design issues and production and. Bedi design and construction of roller compacted concrete pavement gurunanak engineering college ludhiana 2005.

To improve surface smoothness and texture rcc can be diamond ground or a thin asphalt or concrete overlay can be applied. Cement content is generally low typically 70 to 130 kg m3. Roller compacted concrete rcc is an ultra tough zero slump concrete with compressive strengths greater than 4 000 psi. Different mixes of roller compacted concrete can be designed to meet the different requirements of the two applications.