Home -> Forums -> Construction -> Cement Plastering -> Hairline cracks in walls and at 4" wall and pillar junction

Hairline cracks in walls and at 4" wall and pillar junction

Fri May 16, 2014Total posts : 1
sanjeev kumar
sanjeev kumar
Join date: Jul 2012
Topic: Hairline cracks in walls and at 4" wall and pillar junction

Dear Sir,

I constructed a house two years ago in 540 square feet area. The  house has only ground floor now. There are eleven 9inch by 9inch pillars. All the walls are 4 inches.

I am observing that hairline cracks are appearing here and there in the plaster.
Please let me know why does it happen and how can I prevent it. Also, what precaution should I take while repairing it so that it does not occur again. With which material should I fill the cracks so that the cracks do not appear again.

Also, cracks which are a bit thicker than hairline are appearing at the meeting point of 4"walls and pillars. Why does this happen and how can this be
prevented because I do not want this  to happen if I construct the first floor. I first erected the walls and then casted the pillars.

Please help as Ghar expert is the only forum that gives the correct and accurate advise.

Attachments: 20140516_081442.jpg on Fri May 16, 2014, 
20140516_081454.jpg on Fri May 16, 2014, 
20140516_081718.jpg on Fri May 16, 2014,&n
Mon May 19, 2014Post  #1
S L Gupta (Civil Engg)
S L Gupta (Civil Engg)

Join date: Mar 2008
Dear Kumar
        
Cracks must be repaired immediately when observed otherwise the life of structure will reduce causing structural failure. They not only weaken the building but spoil the beauty of walls also. The link below  tells you about repair of cracks in plaster, RCC member, Brick walls, Floor and Fine Cracks.  
 
The cracks can be prevented at the time of construction. To know more about prevention of cracks during construction, click at the link below.
In your particular case I am in view that There is settlement in 4.5'' thick wall and crack with pillar is due to two different components having different elastic properties such as RCCpillar and brick work abating each other, the crack on face of plaster is formed between these components due to their thermal expansion. If read the link thriughly than find solution. 
 

http://www.gharexpert.com/articles/Cracks-1468/How-To-Repair-Cracks_0.aspx

 


 http://www.gharexpert.com/home/HOW_TO_PREVENT_CRACKS_IN_BUILDING.aspx

http://www.gharexpert.com/articles/Cracks-718/Which-Various-Reasons-Cracks-in-Buildings-_0.aspx

 

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