Reinforced Concrete Roof Slab Installation

If you are reinforcing a column then the rebar needs to be the height of the column.

Reinforced concrete roof slab installation.

Step 3 placing the steel joists. The design of the upper storey extension was a lightweight strut frame structure and after calculations were undertaken it was shown that the slab could not sustain the additional live load. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. One of the most crucial step in building a flat concrete roof is to figure out the size of the concrete block you will need.

Sufficiently waterproof concrete can be achieved and is regularly used for water tanks ships pipe and more. The construction of the original building consisted of a reinforced concrete frame with cast in situ trough floors. It is believed that the design. If it is six feet tall then the rebar has be six feet tall plus the depth of the excavated hole and an extra foot to account for setting the rebar in the ground.

Slabs are constructed to provide flat surfaces usually horizontal in building floors roofs bridges and other types of structures. For an exposed concrete roof installation it is recommended that a competent concrete mix design consultant or concrete supplier be engaged to assist in the development of the concrete mix to be used. For determining moments shears and reactions of such slabs. An extra floor was required to be constructed which involved converting the original roof slab to a floor slab thereby increasing the live load capacity to 3 kn m 2.

Slabs are classified into 16 types. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Exact specifications vary but most concrete roofs are several inches thick. The slab may be supported by walls or by reinforced concrete beams usually cast monolithically with the slab or by structural steel beams or by columns or by the ground.

Waffle slab grid slab it is a type of reinforced concrete slab that contains square grids with deep sides. To install such a roof a crew first builds a framework for the intended roof. The steel joists will provide a strong foundation for the flat concrete roofing. Waffle slab construction process includes fixing forms placement of pods on shuttering installation of reinforcement between pods installation of steel mesh on top of pods and pouring of concrete.