Full Depth Patching Full-depth pavement repair is the process of removing damaged pavement to its deepest depth. We replace an area of pavement by cutting, breaking and/or lifting away the existing pavement. Afterward, we add steel enforcements and new concrete level with the surrounding pavement. Partial Depth Patching For partial-depth patching, we …
Iowa Civil Posts
To install a new subbase in a roadway or bridge approach, we must first remove the existing subbase located beneath the pavement. We typically remove this during a full-depth repair or paving operation. When removed, we install a new subbase and ensure the surface is level with the surrounding area.
Joint Sealing. Joint sealing is a process by which we saw joints in a roadway, parking lot or sidewalk. We then fill the joint with a sealer that moves and adjusts with the surrounding concrete. This is a preventative measure to avoid materials such as dirt, rock, water and ice from damaging the surrounding pavement.
We use dowel bar retrofits to repair and strengthen concrete poured without steel reinforcement. We start by sawing or jackhammering “slots” into the concrete’s surface, typically on existing cracks or joints. Next, we implant steel rods known as “dowel bars” and grout the slot to create a smooth surface. http://www.pavementinteractive.org/dowel-bar-retrofit-construction-practices/