Single box culvert

Size:

+ Diameter: D= 0.6-4m.

+ Length: L=1-2.5m

– Using the technology of vibration pressing of Thailand – Germany: cast with dry concrete and use high-strength cold-rolled steel.

– Material:

+ Cement: Imported 100% directly from Nghi Son and Tam Diep factories with Japanese and Danish technology, is bulk cement using lead clamping technology for 60-ton vehicles with factory certificates.

+ Steel: Imported from abroad or Thai Nguyen steel.

+ Stone: is a joint venture stone with Japan that always ensures the composition of grains, mars as well as standard sizes.

+ Sand: Use 100% Viet Tri golden sand.

– The concrete grade of Amaccao Pipe is designed with grade 300 to ensure its durability and permanent water.

– Steel core is designed for standards by the Institute of Transport Science and Technology.