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 05 years from the date of issue and replaces Decision No. 132/QD-BXD dated April 2, 2010 of the Minister of Construction.