Recognition content
The list of testing criteria eligible for operation in this Certificate includes: Cement physical and mechanical testing; Heavy concrete and concrete mixtures; Sand, crushed stone (gravel), aggregate materials; Laboratory soil mechanical testing; Inspection of construction steel; Asphalt concrete; Bitumen; Field testing; Testing construction mortar; Mechanical testing of masonry bricks; Mechanical testing of concrete blocks; Mechanical testing of self-inserting concrete bricks; Testing physical and mechanical properties of mineral powder; Bentonite mechanics; Chemical analysis of water for construction. Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of technical standards replacing the old standards, the corresponding new standards must be applied. This certificate is valid for 05 years from the date of issue.