Table of Contents
- 1 What is the initial setting time for lime pozzolana?
- 2 What is initial setting time of cement?
- 3 What is the initial setting time of OPC?
- 4 What is the normal curing period of lime mortar?
- 5 What is the initial setting time of?
- 6 What is the initial hardening period of quick cement?
- 7 What is meant by initial setting time?
What is the initial setting time for lime pozzolana?
120 minutes.
What is initial setting time of cement?
Initial Setting time of Cement:- The time available for mixing the cement and placing it in position is an Initial setting time of cement. If delayed further, cement loses its strength. For Ordinary Portland Cement, The initial Setting Time is 30 minutes.
What is the initial setting time of cement a 1 hour B 30 minutes C 15 minutes D 30 hours?
Initial setting time shall not be less than 30 minutes and final setting time should not be more than 10 hours.
What is the initial setting time of OPC?
Initial and Final Setting Time of OPC Cement? For OPC, the Minimum setting initial setting is 30 min and the maximum final setting time is 600 min.
What is the normal curing period of lime mortar?
In case of lime concrete, the curing starts after 24 hours and is done for a minimum of 7 days period. Hence, the masonry works can only be done on foundation after a minimum of 7 days.
What is the initial setting time of rapid hardening cement?
Detailed Solution
Cement | Initial setting time | Final setting time |
---|---|---|
Ordinary Portland cement | 30 minute | 600 minute |
Rapid hardening cement | 30 minute | 600 minute |
High alumina cement | 3.5 hour | 5.5 hour |
Low heat cement | 1 hour | 600 minute |
What is the initial setting time of?
What is the initial setting time? Explanation: The time at which cement paste loses its plasticity is known as initial setting time of the concrete. Explanation: As per IS specification, the minimum initial setting time is 30 minutes for ordinary portland cement.
What is the initial hardening period of quick cement?
(ii) Final Setting Time of Cement:
Type of Cement | Initial Setting Time | Final Setting Time |
---|---|---|
Rapid Hardening Cement | It shall not be less than 30 minutes. | It shall not be more than 10 hours. |
Low Heat Cement | It shall not be less than 60 minutes. | It shall not be more than 10 hours. |
What is the initial setting time of OBC?
Explanation: As per IS specification, the minimum initial setting time is 30 minutes for ordinary portland cement.
What is meant by initial setting time?
Initial setting time of cement is defined as the time elapsed between the moments when water is added to the cement to the time when the cement paste starts losing its plasticity.