Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 422 laboratory includes: Mechanical and physical testing of cement; Heavy concrete and concrete mixtures; Testing aggregates for concrete and mortar; Laboratory soil mechanical testing; Inspection of construction steel; Asphalt concrete; Bitumen; Field testing; Mechanical testing of masonry bricks; Physical and mechanical testing of mineral powder materials in asphalt concrete; Testing construction mortar; Mechanical testing of terrazo tiles; Mechanical testing of self-inserting concrete bricks; Physical and mechanical testing of cement floor tiles; Mechanical testing of concrete bricks; Autoclaved aerated concrete (AAC) brick testing; Testing foam concrete bricks, non-autoclaved gas. Technical standards used for the 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 and replaces Decision No. 29/QD-BXD dated January 23, 2015 of the Minister of Construction.