Typical concrete floor slab detail. Pouring concrete form and pour a concrete slab. In typical office environments the concrete floor slab itself is comprised of 4 to 6 thick concrete reinforced with one layer of welded wire fabric at mid depth unless below the water table when hydrostatic heads may exert upward pressure requiring stronger construction. Start with a small sidewalk or garden shed floor before attempting a garage size slab foundation like this.
Interior slabs on grade except garage floor slabs 2500 2500 2500. Construction details excavation construction started with the removal of topsoil and excavation for footings. Each class includes what aci 302 calls special considerations and suggested finishing techniques.
A typical concrete slab for a garage has. Minimum required strength of concrete for footings slabs and foundations. Cover thicknesses for reinforced concrete floor slabs and beams are given in ibc tables 721231 and 721233 respectively.
The top steel reinforcement is important. This is the most flexible of all concrete floor systems and is thus widely preferred by contractors. The slab is constructed on well compacted granular fill crushed stone or marl.
This slide shows the typical reinforcement cage for a simple span concrete beam. Footings foundation walls basements and slabs. There are a.
Construction details 6 3 61 hebel aac block units typical sections. Concrete floor and slab construction. Industrial floor design construction understand the basics in the design specification and building of commercial concrete flooring.
Floor slab on grade step 3 a slab on grade is cast to provide a surface to support formwork. The minimum cover requirements in section 771 of aci 318 05 will provide at least a. The suspended reinforced concrete slab is tied into the external capping beam at floor level.
Ost residential construction today is supported on either concrete slabs on grade or on concrete or masonry foundations. Common mistakes in concrete floor slab construction can be avoided with proper base preparation mix design placement finishing and curing. Even if youve got a few small jobs under your belt its a good idea to find an experienced helper.
Alternative floor slab detail. Quality floor construction includes good subgrade compaction even thickness slabs low slump concrete straight bulkhead lines and control cuts spaced 24 to 30 times the slab thickness. The tension bars resist.