Civil Engineering - Concrete Technology - Discussion

21. 

Construction joints are provided

[A]. where B.M. and S.F. are small
[B]. where the member is supported by other member
[C]. at 18 m apart in huge structures
[D]. in concrete wall at sill level of windows
[E]. all the above.

Answer: Option E

Explanation:

No answer description available for this question.

Shishpal said: (Dec 3, 2014)  
How can say that construction joints are provided where B.M &S.F are small?

Because both are inversely proportional to each other.

Sajjad Ali Yakhsuz said: (Apr 30, 2015)  
How is it so that at 18 m apart in huge structures? Is it not a very big space?

Tony said: (Aug 9, 2015)  
I think Construction joints are not provided they are formed, as the construction of the whole structure can't be done in a single stretch (the place where fresh Concreting is done on the previously casted member forms a construction joint).

Akash said: (Dec 27, 2015)  
What is construction joint?

Rakshith said: (Jun 17, 2016)  
Construction joints are provided where the bending moment is Zero and also to have a continuity of work in the next day.

Santhosh said: (Feb 21, 2017)  
Construction joints are provided at the position where the bending moment is minimum. Usually provided at 1/3 from the support in site.

Sourav said: (Dec 22, 2017)  
Yes, you are Correct @Rakshith.

Mukesh said: (Jan 27, 2018)  
What is SF?

Rohit Shekhar said: (Dec 4, 2018)  
SF means shear force.

Ram Chaudhary said: (Dec 21, 2018)  
Because the place where bm and shear force is minimum there will be less displacement to the structure which meets with the point that we can easily provide construction joint in that place.

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