Effective span of slab2.
Floor slab design uk.
Concrete floor designing buildings wiki share your construction industry knowledge.
Mix joint design and performance and the slab thickness.
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.
It will be typically reinforced either by rebar or steel fibres.
It is an important construction material used extensively in buildings bridges.
Contents basics of reinforced concrete slab design1.
For larger floors there is a need to have joints within them in order to avoid the development of cracks within the floor slab.
6 4 5 equ6 52 8 5.
The floor slabs joint details will be provided because they are significant part of the slab design.
Either steel mesh or fiber reinforcement may be used in the design of the slab.
Concrete slab design proceduredesign of continuous slab basics of reinforced concrete slab design slabs are generally designed on the assumption that they consists of a number of beams of breadth one meter.
α angle between the shear reinforcement and the plane of slab fywd ef effective design strength of the punching shear reinforcement 250 0 25 d fywd mpa d mean effective depth of the slabs mm v v v u d ed ed rd max 0 β max.
The floors may need to be thickened beneath the column positions in order to fix the holding down bolts.
Another factor that influences the design and specification of ground bearing concrete floors is the nature of the load that they have to support.
Concrete is a composite material consisting mainly of portland cement water and aggregate gravel sand or rock.
When these materials are mixed together they form a workable paste which then gradually hardens over time.
Ground bearing concrete floor slabs should be at least 100mm thick including monolithic screed where appropriate.
The structural design of the concrete floor slab on ground is dominated by the sub grade conditions and the floor loadings.
The two design options are a ground bearing slab or a pile supported suspended slab.
Floor slab designing buildings wiki share your construction industry knowledge.
Floor classifications table 1 describes the nine classes of concrete floors according to aci 302 guide to concrete floor and slab construction.
Shear stress at column face 0 5 νfcd punching shear reinforcement cl.
Effective span of slab the.
Base floor slab waterproof system a typical base floor slab where the design criteria include controlling moisture migration and water vapor transmission into the interior space can be referred to as a waterproof.
If consolidation of plastic soils is determined to be a potential problem a suspended slab may be the only effective solution in which.
It may form the floor of a basement at ground level or at upper levels.