Nominal cover to reinforcement is provided to
1. protect reinforcement against corrosion.
2. provide shear resistance.
3. protect reinforcement against fire.
4. develop sufficient bond strength along surface area of reinforcement bars.
Which of the above statements are correct?
1
1 and 4 only
2
2, 3 and 4 only
3
1, 3 and 4 only
4
1, 2 and 3 only