Shapoorji Pallonji Group Site Engineer Interview Questions and Answers

Initial setting time is the time taken for the cement to harden to a certain degree, while final setting time is the time taken for the cement to completely harden.

• Initial setting time is typically around 30 minutes to 1 hour after adding water to the cement.

• Final setting time is usually around 2 to 4 hours after adding water to the cement.

• Setting time can vary based on the type of cement and environmental conditions.

• S...read more

Bleeding is the process of air escaping from fresh concrete mix and rising to the surface.

• Bleeding occurs when water in the concrete mix rises to the surface due to settlement of solid particles.

• It can lead to surface defects if not properly managed.

• Bleeding can be reduced by using proper mix design and techniques like vibration or adding admixtures.

• Excessive bleeding can weaken the surface of the concrete.

• Examples: Wa...read more