Portland Cement Association Concrete Floors On Ground

A modulus of sub grade reaction of 400 to 500 psi inch can be used in calculating the required thickness of floors placed directly on lean concrete and cement treated or roller compacted sub bases.

Portland cement association concrete floors on ground.

Generally cement treated and lean concrete sub bases are 4 to 6 inches thick. The po r tland ce ment association recommends joint. Concrete edition is to provide information regarding the effective use of above and below grade concrete wall systems as well as concrete floor systems to illustrate cost effective robust practices for residential construction. These benefits can usually be achieved with conventional concrete overlays.

Concrete construction edition the purpose of the resilient design guide. This study reports data on i4 i specimens cast from 29 mixes covering a wide range of concrete quality. Portland cement association aug 1 2001 technology engineering 136 pages. Or ii portland cement.

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From inside the book. Portland cement association synopsis concrete slab on ground has become a widely used method of construction. Re l a t i v ely close joint spacing is the p ri m a ry means of contro l l i n g s h r inkage effects. Ty p e a slabs contain no re i n f o rc e m e n t but may be strengthened at the joints by thickening dowe l s or keys.

Farny portland cement association. Pca concrete floors on grade free download as pdf file pdf text file txt or read online for free. Controlled low strength material clsm or lean concrete sub base. In addition to an updated thickness design procedure the text includes a discussion of concrete drying shrinkage joint stability floor flatness and levelness moisture testing and floor coverings concrete durability floor maintenance and repair special floor types including white concrete floors and a glossary of slab on ground terms.

Moisture migration from such dabs is of importance primarily because of its effect on certain types of floor coverings.