Round Culvert 1250

– Size:

+ Diameter: D= 1250.

+ Length: L= 2.5m

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

Materials:

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

+ Steel: Imported from abroad or Thai Nguyen steel.

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

+ Sand: Using Viet Tri yellow sand 100%.

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

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