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Monday, December 2, 2013

TYPES OF RCC BEAMS AND REINFORCEMENT DETAILS

Beam is a structural member that supports the transverse load which usually rest on supports at its end. Girder – is  the term applied  to a beam that supports one or more smaller beam.
Beams are classified as:
a}  Simple Beam
b)  Continuous Beam
c)  Semi-Continuous Beam
Simple Beam: Refers to the beam having a single span supported at its end without a restraint at the support. Simple beam is sometimes called as simply supported beam. Restraint means a rigid connection or anchorage at the support.
Simply supported beam
Fig: Simply supported beam
Continuous Beam: It is a beam that rest on more than two supports.
Continuous beam with reinforcement details
Fig: Continuous beam with reinforcement details
Semi-Continuous Beam: – Refers to a beam with two spans with or without restraint at the two extreme ends.
Semi-continuous beam
Fig: Semi-continuous beam
Cantilever Beam:-Is supported on one end and the other end projecting ‘beyond the support or wall.
RCC Cantilever beam reinforcement details
Fig: RCC Cantilever beam reinforcement details
T – Beam: -When floor slabs and beams. are poured simultaneously  producing a monolithic structure where the portion of the slab at both sides of the beam serves as flanges of the T-Beam. The beam below the slab serves as the web member and is sometime called stem.
RCC T-beam
Fig: RCC T-beam

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