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Which beam is strongest?
H-beams are considered to be the strongest as compared to other shapes of beams.
What is the maximum area of tension reinforcement in beams?
The maximum area of tension reinforcement shall not exceed 4% of the gross cross-sectional area of the beam.
What is the maximum spacing of shear reinforcement in beams?
Maximum shear reinforcement spacing measured along the axis of the member shall not exceed 0.75d for vertical stirrups and d for inclined stirrups at 45 degrees. The spacing must never be greater than 300 mm.
What is the thumb rule for the design of beams?
Codes do not provide requirements related to the width-depth ratio of reinforced concrete beams. However, as a thumb rule, it is preferable to use a depth that is two and a half to three times the width of the beam. It is more cost-effective to use deep and narrow sections for long-span beams.
What is beam standard size?
The standard size in a residential building is 9’’ x 12’’ or 225 mm x 300 mm (According to IS codes). The minimum RCC beam size should not be less than 9’’ x 9’’ or 225mm x 225mm with a slab thickness of 125mm.