Ground Bearing Floor Slab Design

This type of floor slab is normally used in a portal framed structure which it is built for either retail or light industrial use.

Ground bearing floor slab design.

Ground bearing concrete floor slabs should be at least 100mm thick including monolithic screed where appropriate. Design of slabs on ground aci 360r 06 by american concrete institute 2006 4. A typical components of ground bearing floor slab. The design is based on a ground bearing concrete slab.

If consolidation of plastic soils is determined to be a potential problem a suspended slab may be the only effective solution in which. Check bearing stress on dowels at construction joints with load transfer. For design of slabs on ground with the exception of highway and airport pavements parking lots and mat foundations. 1 2 2 aci committee 302develops recommendations for construction of slab on ground and suspended slab floors for industrial commercial and institutional buildings.

The structural design of the concrete floor slab on ground is dominated by the sub grade conditions and the floor loadings. Technical guidance note level 1 no. As the standard glatthaar ground bearing slab the frost protection on vario floor panels is achieved with a surrounding layer of concrete whereas the frost protection on. These charts have been drawn rom the computed results of a truly 3 dimensional analysis in which both the soil and the slab are treated as behaving elastically.

Slip membrane provides a plane against which the concrete slab can flex independently of the subbase. The method utilises plate bending finite elements and a layered continuum model for the soil wood. Therefore this type of design effectively provides an economic solution which is fairly easy and quick to construct. The two design options are a ground bearing slab or a pile supported suspended slab.

Ground bearing floors shall be of adequate strength and durability and use concrete mixed and reinforced as necessary to support floor loads safely and resist chemical and frost action. An introduction to ground bearing floor slabs touching on the slabs reinforcement by considering both historical use of mesh as well as current plastic and steel fibre reinfocement methods. Subbase a graded material usually made from broken masonry and or rocks. While the vario floor slab is considered to be the ideal solution for level building sites ecohit floor slabs are used on sloped building plots or on poor ground conditions.

Subgrade the soil against which the ground bearing slab construction is placed but not cast. Aci 302 1r provides guidelines and recommendations on.