Floor slab connection essentially consists of a compression joint in the bearing surface. The bearing length should be atleast 75mm to avoid spalling of the edges. To prevent this short of failure occurring, the slab must be tied to the ...
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STRUCTURAL USES OF PRECAST CONCRETE
Precast concrete is used extensively in building structures, for e.g. structural frames, floors and roofs, claddings etc. Use of Precast Concrete in frames: There are two main types of precast building frame. The structural frame consists of slabs, beams and ...
PRECAST CONCRETE BLOCKS
A precast concrete block is primarily used as a building material in the construction of walls. It is sometimes called a concrete masonry unit (CMU). A concrete block is one of several precast concrete products used in construction. The term ...
LIFT-SLAB CONSTRUCTION
Lift-Slab Construction is a precast method of construction of slab on the ground and then lifting it to the structure. A type of precasting used in building construction involves casting floor and roof slabs at or near ground level and ...
FIXING OF PRECAST CLADDING
Types of Fixings of Precast Cladding: Load bearing fixings are designed to transfer the weight of the cladding units together with any services or secondary fixings, such as doors or windows that may be present, to the building structure and ...
JOINTS IN PRECAST CLADDING
Primarily joints in precast claddings are intended to ensure the weather tightness of the building despite the movement to which they might be subjected. From the diagram below it can be seen that if any water manages to penetrate the ...
SELF FINISHED AND FACED CLADDINGS
The design of precast cladding falls into two categories: Self-finished Faced Self finishes are manufactured with designed concrete mixes. Their surface appearance derives either directly from the profile of the mould in which they are cast, or from work undertaken ...
PRECAST CONCRETE PROCESS
PRECAST CONCRETE PROCESS A large number of concrete structures (about 6% of the building frame market) are precast. The individual components are prefabricated off site then taken to site where they are erected. The following figures illustrate the precast concrete ...