2. COLUMN, BEAM, SLAB

3. PRESENTED BY
MUZAMMIL ZOHAIR
ROLL NO 13CE 45

4. • Column is a vertical structural member
• It transmits the load from ceiling /roof slab
and beam , including its self-weight to the
foundation

5. Classification of column
• Long column
• Short column
• Intermediate column

6. beam
• Horizontal member of a structure
• carries transverse loads

7. Classification of beam
• Simply supported beam
• Cantilever beam
• Fixed beam
• Continuous beam

8. Slab
• It is a flat horizontal surface
• It is supported by beam and column
• It transfers load to beam

9. construction of a column

10. Vertical reinforcement
• A rectangular column must have at least 4
reinforcements at 4 corners

11. Circular column in reinforcement
• Circular column should have minimum 6
reinforcements
• Reinforcement should be min 1% and max 8%

12. Over Lapping of Rods
• It is done when length of reinforcement bar is
small but we need longer reinforcement
• Provided in mild span
• Tied with hooks

13. Curing
• Provides water for hydration reaction
• Increases the strength up to 2.5 times
• Done for 21 days
• Gunny bags are used for curing

14. Construction of beam

15. Reinforcement in beam
• A min. 0.2% is to be provided for the
compression in order to take care of the
deflection
• Extra tops are used in the supports joints

16. Casting and curing
• Casting and curing are done simultaneously
for beam and slab
• casting of lower parts is done earlier

17. Construction of slab
REINFORCEMENT IN SLAB
• Slab reinforcement include straight bar , cranked bar
• Extra tops near the supports

18. Curing and removal of formwork
• Curing it is done for 21 days
• Removal of formwork :
• After 21 days formwork is removed