Precast concrete Beam and block floor

• This type of reinforced concrete floor is much used for comparatively small spans and loads
• For floors that need a greater bearing capactiy , the beam or block floors can be finished with a constructional concrete topping
• The constructional concrete topping ties the beams and blocks together making a composite floor .
• Solid reinforced concrete beams generally shaped like an inverted T in section are precast in the manufactures factory
• Depth of the beams caries from 130 to 250 mm and they are90mm wide at the bottom
• The beams are made in lengths up to 6.0m
• Precast hollow blovks are made lightweight for lightness in handling and to reduce weight of the finished floor
• These blocks are usually 225mm wide , 130 to 250 mm deep and up to 225mm long