We noticed that many of the properties had bulging retaining walls. We learned that it was due to the area’s geology and soil ...

Q: I have seen many failed retaining ... wall and pea-gravel fill between the soil and the wall would have prevented the failure. Q: I need to patch cracks in my older blacktop driveway, and ...

You've probably seen construction gravel used in driveways, pathways, or even as the base for patios and retaining walls. Its ...

A retaining wall that cost almost $8 million to build ... Apart from this, Abel said, there were cracks along the driveways and car parks, which were indicative of a slope failure.