Highways construction in South Africa
Project subject : Highways Construction in South Africa
Country : South Africa
Product name : ERW
Specification : API 5L,GR.B 219.1*6.75mm
Project introduction :
Highway structure mainly refers to the concrete construction of subgrade, such as: culvert, channel, bridge (not overpass), ditches and water drainage ditches, concrete slope protection, concrete slope drainage (jet trough), the retaining wall.