Determination of initial and final setting time of cement

[Dnyan Deshmukh]

Setting time of cement​

Ref : IS 4031 (part V)

Purpose : To determine initial and final setting time of ordinary Portland cement

Significance : This test gives a judgement about the available time for transportation placing of concrete, commencement of curing and stripping

Apparatus:

1. Vicat apparatus, (mould dia: 80mm, height: 40mm)
2. Weights and Balance
3. Trowel
4. Initial and final setting time needle
5. Time watch

Test Procedure:

1. Take 400gm of cement and 85% water required for making cement paste of normal consistency
2. The paste shall be gauged and filled into the vicat mould in specified manner within 3-5 minutes
3. Start the time watch the moment water is added to the cement. The temperature of water and that of the test room at the time of gauging temperature shall be within 27 ± 2oC
4. When the needle for initial setting time, brought into contact with the top surface and released quickly, fails to penetrate the paste block for 5 to 7mm measure from the bottom of the mould is taken as initial setting time
5. When the needle for final setting time, placed gently on the surface makes an impression on the paste but the circular cutting edge of the attachment fails to do so, is taken as final setting time

Observation Table:




Limit : As per IS 4031 (part V) – 1988

Initial setting time not less than 30 minutes

Final setting time not more than 600 minutes

Frequency : For every batch received at site

 

[RAJJOGISRI]

1. I think it is only for ordinary Portland cement but for other cements setting time is different so we can use this apparatus to calculate those cements also?

 

[Dnyan Deshmukh]

This is procedure for testing setting time, you can check all cement setting time with this process.

All document in this section are intended for professional usage.

So it will only enumerate the standard processes for testing. it can be modified as per the standards of company in which user is working, who intended to use it for professional document.

 

[RAJJOGISRI]

Kk tqq sir

 

[radhe kumar]

Setting time of cement​

Ref : IS 4031 (part V)

Purpose : To determine initial and final setting time of ordinary Portland cement

Significance : This test gives a judgement about the available time for transportation placing of concrete, commencement of curing and stripping

Apparatus:

1. Vicat apparatus, (mould dia: 80mm, height: 40mm)
2. Weights and Balance
3. Trowel
4. Initial and final setting time needle
5. Time watch

Test Procedure:

1. Take 400gm of cement and 85% water required for making cement paste of normal consistency
2. The paste shall be gauged and filled into the vicat mould in specified manner within 3-5 minutes
3. Start the time watch the moment water is added to the cement. The temperature of water and that of the test room at the time of gauging temperature shall be within 27 ± 2oC
4. When the needle for initial setting time, brought into contact with the top surface and released quickly, fails to penetrate the paste block for 5 to 7mm measure from the bottom of the mould is taken as initial setting time
5. When the needle for final setting time, placed gently on the surface makes an impression on the paste but the circular cutting edge of the attachment fails to do so, is taken as final setting time

Observation Table:

View attachment 497


Limit : As per IS 4031 (part V) – 1988

Initial setting time not less than 30 minutes

Final setting time not more than 600 minutes

Frequency : For every batch received at site

Quality site lab visit check list please sir send me

 

[Dnyan Deshmukh]

Quality site lab visit check list please sir send me

Please explain what do you mean by site lab visit?

 

[radhe kumar]

Please explain what do you mean by site lab visit?

Site lab quality control visit check list in xls sheet please sir send me

 

[radhe kumar]

SCC concrete mix design xls sheet
Please sir send me

 

[Dnyan Deshmukh]

SCC concrete mix design xls sheet
Please sir send me

There are many mix design reports available

Concrete Mix Design for M30 grade for Self Compacting Concrete - Civil4M

You can find more mix design reports at Engineered Concrete