How to choose when buying along the road , first look at its appearance, no pores, cracks, deformation, and no damage to the water chestnut. Second, check the load and bending strength per unit area, and then control the scale, and the error should be controlled within 2 ~ 3 mm. In the meantime, the roadside stone of the big manufacturer's brand has quality assurance. Like Shuojing is a well-known brand in the meantime, the word of mouth has made outstanding promises, and it has successfully participated in many major project cases.
After the curb stone device is inspected, it is necessary to hang the line again, adjust the side stone straightness, oiliness, flatness and elevation detection, check every 20m, and adjust when the plane and elevation exceed the standard.
It is necessary for curb stones to be maintained before the asphalt surface course construction is completed and for the asphalt surface course construction to avoid pollution. After the curb stone is buried, the backfill material should be compacted or maintenance measures should be taken to avoid deformation of the surface layer during construction. It is forbidden to dig the surface layer to bury the edge stone after the asphalt layer is laid.