We have a garage built with 25 cm lightweight concrete with lightweight concrete planks in the ceiling. One of the long walls is attached to the house and along the other, there is soil against the wall up to a little over a meter high (i.e., the upper meter is above ground). We plan to dig away the soil along the wall down to the base plate level. Could this risk the stability of the wall? In other words, could the soil pressure have been part of the strength calculation when the wall was built, meaning it is necessary to prevent the wall from breaking outward?
Know-It-All
· Västra Götaland
· 12 288 posts
No, that would be very unusual. It's more common to stabilize the wall to withstand the earth pressure. You can safely dig away the soil.