Here, you can see that the bricks had been tuck pointed previously. Tuckpointing is a process of removing the old mortar and replacing it with new mortar. In this case, you can see that the replaced mortar joint is much wider and more uneven than the older mortar lines. This indicates that foundation movement had been occurring for a while and an incorrect repair option was applied in the past.
Here is a side view of the bulging and bowing basement wall. The exterior soil is swelling due to groundwater intrusion and it's pressing against the foundation causing it to bow inward.
Here's an overview of the affected area. You can see the mineral encrustation on the bricks that indicates groundwater penetration. The mineral crust is called efflorescence.
Here, you can see what is called "sheering". When one portion of the basement wall bows or bulges and the other part doesn't, then some bricks can sheer as the wall moves.
Here's an example of another problem that can occur when groundwater is causing soil swelling and foundation movement. The water causes the soil to swell and penetrate the basement.
There are times when your home's foundation can be a barrier to a much needed change. In this situation, the homeowners hadn't really noticed their cracking and bulging foundation until they put their house on the market. Showing feedback kept coming back that the buyers were concerned about the foundation. The homeowners eventually had to leave the home and move to a new city due to a job transfer and are currently having to pay two mortgages while their Hartford, KY home sits empty waiting for a buyer.
The homeowners decidded to have Daniel Crews with Healthy Spaces come out to look at the property and provide a solution that would be permenant, have a warranty, and could reassure buyers that the problem was resolved. Here's a look at what Daniel found.