A beam is a flexure member. It may be of steel, wood or
any other structural materials. Reinforced concrete beams are nonhomogeneous in
that they are made of two entirely different materials. A flexural member
should suffer a axial compression force less than Ag fc´/10.Pre-tensioned
Prestressed Beams are one of many forms of reinforced concrete beams where tension
force is applied before casting to high tensile steel tendons around which the
concrete is to be cast.
Advantages of Using Pre-tensioned Prestressed Beams
are:
High quality
Factory production ensures good and consistent quality
production of concrete beams, with minimal supervision.
Shorter project leadtime
Casting of beams and construction work on site are able
to progress simultaneously, reducing overall project leadtime.
Ease of construction
Precasting of beams are done at factory, hence no
scaffolding/props/falsework are required over rivers or roads.
Cost saving
Expensive falseworks otherwise required in certain
situations are done away; shorter construction duration also means lower
overall costs.
