Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 899 laboratory includes: Cement physical and mechanical testing; Heavy concrete and concrete mixtures; Test concrete aggregates and mortar; Laboratory soil mechanical testing; Check metal and welding materials; Asphalt concrete; Bitumen; Testing of physical and mechanical criteria of liquid asphalt; Testing of physical and mechanical criteria of acid asphalt emulsion; Field testing; Reinforced soil; Mechanical testing of masonry bricks; Mechanical testing of tiles; Mechanical testing of self-inserting concrete bricks; Mechanical testing of concrete block bricks; Testing construction mortar; Physical and mechanical testing of mineral powder materials in asphalt concrete; Mechanical testing of bentonite solution; Water testing for construction; Testing chemical additives for concrete. 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 and replaces Decision No. 132/QD-BXD dated April 2, 2010 of the Minister of Construction.