Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1796 laboratory includes: Mechanical and physical testing of cement; Mechanical testing of aggregates for concrete and mortar; Testing of concrete and heavy concrete mixtures; Testing construction mortar; Mechanical testing of baked clay bricks; Physical and mechanical testing of concrete bricks and self-inserting concrete bricks; Asphalt concrete testing; Bitumen testing; Liquid asphalt test; Testing mineral powder materials in asphalt; Metal inspection, welding; Soil mechanical testing in the laboratory; Field testing. Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of technical standards to replace the old standards, the corresponding new standards must be applied. This certificate is valid for 5 years from the date of issue.