Civil Engineering - Concrete Technology - Discussion


Under normal conditions using an ordinary cement, the period of removal of the form work, is :

[A]. 7 days for beam soffits
[B]. 14 days for bottom slabs of spans 4.6 m and more
[C]. 21 days for bottom beams over 6 m spans
[D]. 2 days for vertical sides of columns
[E]. all the above.

Answer: Option E


No answer description available for this question.

Younas Ahmad said: (Jan 12, 2014)  
14 days for bottom slabs of spans 4.6 and more.

Name Muhammad Israr said: (Oct 16, 2014)  
Minimum 14 days required for slabs and bottom.

MATHIALAGAN said: (Apr 6, 2015)  
Even 7 working days With props left under the external temperature 35 degree centigrade span up to 6 m.

Mithilesh Sah said: (Apr 25, 2015)  
1 days or 24 hours for vertical side.

NILLA RAVITEJA said: (Jun 24, 2015)  
30 hours is best for removal of form work for vertical sides of columns.

Aswin said: (Sep 21, 2015)  
Nice. Thanks for your ideas :-).

Pawan Verma said: (Nov 5, 2015)  
What is soffits beam?

Satani Mohit said: (Nov 6, 2015)  
21 days is enough of durability for concrete.

Sucharit Barua said: (Jan 9, 2016)  
Option D wasn't correct because all vertical form work of column, wall and beams should be removed within 16-24 hours.

Ajay said: (Mar 4, 2016)  
Can you guys explain it correctly.

RAJENDRA KUMAR said: (Apr 5, 2016)  
Minimum 10hours for vertical side columns but curing is regular 2 time/day, so 14 days.

Rustam Tomar said: (Apr 6, 2016)  
As per IS:456, Removal of formwork for vertical columns is between 16-24 hrs.

Faiz Khan said: (Jul 22, 2016)  
According to my thought, 7 day for beam soffits is sufficient.

Richa Pandey said: (Oct 22, 2016)  
Nice, thanks for all your ideas.

Engg Chanchal said: (Oct 27, 2016)  
Beam slab and column casting in 20-24 hours remove at form work.

Chinny said: (Feb 11, 2017)  
What is meant by beam soffit?

Shaikrehaman said: (Feb 24, 2017)  
Soffit means the bottom surface of the beam.

Tadesse said: (Mar 3, 2017)  
Vertical form work of column be removed within 16-24 hours.

Sachin Kadam said: (Apr 12, 2017)  
Only 1 day required for vertical members.

Karmveer Kohli said: (Sep 17, 2017)  
If all of is not in option then which is right answer?

Ravi Kumar Maddheshiya said: (Oct 25, 2017)  
Can you explain soffit beam?

Binay said: (Nov 6, 2017)  
I believe beam soffit means the cantilever portion of the beam. It is just a hunch, please correct me if I am wrong.

MD Shekhar said: (Nov 11, 2017)  
A) Modification: *****7 days for beam soffits( props left as in their position).

Golam Murtoza said: (Jan 13, 2018)  
- Removal Time Period.

Walls, columns and vertical sides of beams 24 to 48 hours as may be decided by the Engineer-in-charge.
- Slabs (props left under) 3 days.
- Beam soffits (props left under) 7 days.
- Removal of props to slabs (Spanning up to 4.5 m) 7 days.
- Removal of props to slabs (Spanning over 4.5 m) 14 days.
- Removal of props to beams and arches (Spanning upto 6 m) 14 days.
- Removal of props to beams and arches (Spanning over 6 m) 21 days.

Mjit said: (Jan 28, 2018)  
What is the form removal time period for roof slab?

Jishnu Sarkar said: (Sep 9, 2018)  
What is form work?

Kumar Saurab said: (Jan 29, 2019)  
What are the different types of cement?

Archna said: (Mar 15, 2019)  
Thanks all.

Aliraza said: (Apr 2, 2019)  
Thanks for all.

Malladi said: (Jul 24, 2019)  
What is beam soffit?

Hamza Ayoub said: (Oct 18, 2019)  
Beam soffit is bottom side of beam.

Gaurav said: (Dec 2, 2019)  
Soffit is bottom part of beam.

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