Placement :
1.Placing of concrete is the process of transferring the fresh concrete from the conveying device to its final place in the forms.
2.Prior to placing, loose rust must be removed from reinforcement forms must be cleaned, and hardened surfaces of previous concrete lifts must be cleaned and treated appropriately.
3. The method of placing should be such that segregation, displacement of forms or of reinforcement in the forms are avoided.
4.Occasionally, concrete has to be placed under adverse weather conditions. The requirements for placing in extreme weather conditions must conform to specifications covered in clause 14 of IS: 456 – 1998.
