Correct Answer:
Option C - Methods of placing should be such as to preclude segregation. Case should be taken to avoid displacement of reinforcement or movement of formwork. As a general guidance, the maximum permissible free fall of concrete may be taken as 1.5m.
C. Methods of placing should be such as to preclude segregation. Case should be taken to avoid displacement of reinforcement or movement of formwork. As a general guidance, the maximum permissible free fall of concrete may be taken as 1.5m.