Ground Floor Slab Cross Section

It may form the floor of a basement at ground level or at upper levels.

Ground floor slab cross section.

Floor slabs driveways garage floors and residential sidewalks are built at a nominal 4 inches thick per aci302 2 1. Joints in ground bearing slabs tend to be present for two reasons. There are many different soil conditions and corresponding slab designs. Slab on grade foundation detail design.

A structurally reinforced slab on ground uses a composite of concrete and structural steel to support the design load structural steel may be rebar or wwf. In terms of the buildability most floor slabs have joints within them due to the limits of how much concrete can be poured in a day. The cross sectional area of the steel is inserted into engineering formulae found in aci 318 to determine the load carrying capacity for a given slab design. Floor slabs are often the source of leakage into the building with slab cracking of common concrete materials being a primary cause.

In a structural concrete slab the thickness of the slab is not a factor in. Wearing concrete slab the floor slab that contains either a square fabric mesh or fibres. Alternative floor slab detail. Figure 4 6 depicts the cross section and dimensions for analysis of concrete lintels.

Both pre cast concrete planks or slabs can be used as well as cast in situ reinforced slabs along with beam and block systems. The suspended reinforced concrete slab is tied into the external capping beam. The slab is constructed on well compacted granular fill crushed stone or marl. They also carry bending moments about one or both of the cross section axes.

The mesh reinforcement in the slab is placed in the top with 1 covers. Conditions refer to aci 360 design of slabs on grade aci 1998 or the design and construction of post tensioned slabs on ground. Cross section of a slab on grade andrew dallas technical manager conslab ltd. The term floor slab usually refers to a floor that has been formed using concrete and generally steel reinforcement and may form part of the structure of a building.

The reinforced concrete floor slab is kept free of the perimeter walls. This page is about how to build a thickened edge concrete slab on grade fpsf footing on soil with a high water table to prevent frost heave by first installing drainage below the slab. 2 wearing surface concrete slab dpm. This section provides specific description of materials and systems common in floor slab systems.

Specification clause damp proof membrane under all ground floor slabs provide an effective dpm shown to have a water flow. Columns transfer vertical loads from a ceiling floor or roof slab or from a beam to a floor or foundation. Through the floor. Related slab on grade foundation pages.

The second layer is simply to reduce friction. A common ground rule applicable to keeping joint sealant systems leak free is to be certain that the.