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2. Concrete pavement restoration - Wikipedia

   en.wikipedia.org/wiki/Concrete_Pavement_Restoration

   When installing pavers over top of an existing asphalt of concrete pad, there are three installation options: sand set, bituminous set, and mortar set. [1] Due to rising oil prices, these methods are often less expensive than an asphalt overlay and last three times longer in addition to providing a greener, more sustainable solution.

3. Self-healing concrete - Wikipedia

   en.wikipedia.org/wiki/Self-healing_concrete

   This kind of concrete is also known as self-repairing concrete. Because concrete has a poor tensile strength compared to other building materials, it often develops cracks in the surface. These cracks reduce the durability of the concrete because they facilitate the flow of liquids and gases that may contain harmful compounds.

4. Chipseal - Wikipedia

   en.wikipedia.org/wiki/Chipseal

   Chip seal products can be installed over gravel roads to eliminate the cost of grading, road roughness, dust, mud, and the cost of adding gravel lost from grading. Adding chip seal over gravel is about 25% of the price of resurfacing with asphalt, $170,000 for a 4-mile project done in Minnesota [6] compared to $760,000 had it been redone with ...

5. Pavement milling - Wikipedia

   en.wikipedia.org/wiki/Pavement_milling

   This reduces the impact that resurfacing has on the environment. Milling can also remove distresses from the surface, providing a better driving experience and/or longer roadway life. Some of the issues that milling can remove include: [2] Raveling: aggregate becoming separated from the binder and loose on the road [3]

6. 49ers unsure if backup running back Isaac Guerendo can play ...

   www.aol.com/sports/49ers-unsure-backup-running...

   If Guerendo can't play on Sunday, Patrick Taylor Jr. is next up on the depth chart. He had a season-high 25 yards and a touchdown on seven carries on Sunday.

7. Road surface - Wikipedia

   en.wikipedia.org/wiki/Road_surface

   Concrete roadway in San Jose, California A concrete road in Ewing, New Jersey. Concrete surfaces (specifically, Portland cement concrete) are created using a concrete mix of Portland cement, coarse aggregate, sand, and water. In virtually all modern mixes there will also be various admixtures added to increase workability, reduce the required ...