Portland Cement Association Concrete Floors On Ground
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.
Portland cement association concrete floors on ground. Concrete construction edition the purpose of the resilient design guide. What people are saying write a review. Farny portland cement association. Academia edu is a platform for academics to share research papers.
The po r tland ce ment association recommends joint. 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. These benefits can usually be achieved with conventional concrete overlays. Controlled low strength material clsm or lean concrete sub base.
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. Generally cement treated and lean concrete sub bases are 4 to 6 inches thick. From inside the book. Cocnrete floors on ground subgrade and subbases moisture control and vapor retarders concrete for floors floor thickness desing joints reinforcement and crack control concrete placement and finishing toppings and finishes floor coverings and drying of concrete problems maintenance and repair special floors.
This study reports data on i4 i specimens cast from 29 mixes covering a wide range of concrete quality. Portland cement association iii i cdncpete resurfacing concrete floors information resurfacing old worn concrete floors can restore strength improve abrasion resistance create a like new appear ance and make normal maintenance easier and more eco nomical. Concrete floors on ground. Or ii portland cement.
Pca concrete floors on grade free download as pdf file pdf text file txt or read online for free. Portland cement association synopsis concrete slab on ground has become a widely used method of construction. Moisture migration from such dabs is of importance primarily because of its effect on certain types of floor coverings. Type a plain concrete slab.
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.