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Re: Cracked cmu basement wall

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Mansoor, I appreciate your response.


On Thu, Oct 18, 2012 at 3:57 PM, Mansoor Khan 

> Will,
> I agree with you. The existing deteriorated condition, which includes
> diagonal cracks at the top and horizontal cracks, is likely to be the
> result of a flexural overload of the wall and not due to the loss of
> support or settlement. Diagonal masonry cracks near the bottom of the 
> wall are typically the result of settlement.
> As Harold already mentioned various methods in his response, I have
> successfully strengthened deteriorated basement walls such as your case 
> by employing the following methods. Both required a lot of work and thus 
> not cheap either.
> 1.    Inserting rebars from the inside – cut vertical slots in the 
> shell at 4 ft. o.c. then placed and grouted reinforcing bars into these 
> slots. Please be aware that removing parts of the wall weakens the 
> masonry because the added grout in the cells does not participate in 
> resisting the loads that are present. Therefore, the wall should be 
> relieved of the existing loads to the greatest extent possible before 
> this reinforcing takes place. 

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