A ground cover widening structure capable of receiving a load in a wide range, reducing asphalt cracks, and easily adjusting the height between adjacent units. A curbstone that forms an inverted U-shaped face plate 2a having an opening on the bottom side and a hollow curb portion 10a that is disposed on the bottom side of the face plate and extends in the left-right direction when viewed from the front side in combination with the face plate. A base cover widening structure configured by arranging a plurality of base cover widening units 1a including a base plate 3a having a bottom surface portion 32 on the edge side in the left-right direction, and is a length for connecting two or more base cover widening units A grooved steel joint 4 as a girder having a thickness is connected to the lower surface of the curb bottom surface portion 32, and adjacent ground cover widening units are connected to each other by the joint 4. [Selection] Figure 1
展开▼
