In Situ Concrete Floor Detail

A hollow core slab also known as a voided slab hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi story apartment buildings the slab has been especially popular in countries where the emphasis of home construction has been on precast concrete including northern europe and former socialist countries of.

In situ concrete floor detail.

Smith in marine concrete structures 2016. Various types of in situ concrete floor systems there are many concrete floor systems from which the designer can select an economical and technically satisfactory solution. The components of concrete are portland cement coarse aggregates such as crushed stone fine. This is a ribbed cast in situ floor with permanent formwork in the form of hollow clay or concrete pots.

Precast concrete floor units are widely used in all types of building. The other method is called precast concrete in which building components are manufactured in a central plant and later brought to the building site for assembly. It is estimated that 50 of multi storey steel framed buildings use precast concrete floors. Steel reinforced slabs typically between 100 and 500 mm thick are most often used to construct floors and ceilings while thinner mud slabs may be used for exterior paving see below in many domestic and industrial buildings a thick concrete slab supported on.

The precast concrete floor unit is used to span between supporting steel. Alternatively the slab soffit can be formed with special moulds to give an indented profile to produce a waffle or trough floor. Tread the part of the step that is stepped on. However care must be taken with the construction to ensure the quality of the wall trench cutting equipment with hydraulically driven rotary cutters is preferred to the traditional hydraulic grabs as a better quality is.

Traditionally concrete floor systems are reinforced using bars fabric or using high strength strand which is stressed. Cement concrete flooring is one of the most common types of flooring used in both in residential as well as public buildings owing to its non absorbent nature and thus it is very useful for water stores durability smooth and pleasing in appearance good wearing properties easy maintenance and is economical. Such floors can be designed and constructed to have a continuously flat soffit. This is so called in situ concrete.

Troughed floors are ribbed in only one direction whereas coffered or waffle floors are ribbed in two directions. Nosing an edge part of the tread that extends from the riser beneath. In situ concrete reinforced suspended floors can be designed to span one way or two ways between supports. Other articles where in situ concrete is discussed.

5 in situ a. A concrete slab is a common structural element of modern buildings consisting of a flat horizontal surface made of cast concrete. Cast in situ concrete diaphragm walls have also been used to create permanent sheet pile quay walls. Riser the vertical portion of the step between steps.