Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 745 laboratory includes: Mechanical and physical testing of cement; Aggregate testing for concrete and mortar; Testing of concrete and heavy concrete mixtures; Physical and mechanical testing of mineral powder materials in asphalt concrete; Laboratory soil mechanical testing; Field testing; Testing of metal materials and welded joints; Testing of asphalt concrete and aggregates for asphalt concrete; Testing of liquid asphalt and acid asphalt emulsion; Bitumen testing; Testing masonry; Mechanical testing of terazo bricks; Testing natural paving stones; Testing construction mortar; Bentonite mechanical testing; Chemical analysis of water for construction; Mechanical testing of self-inserting concrete bricks; Physical and mechanical testing of concrete bricks. 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. 172/QD-BXD dated April 12, 2016 of the Minister of Construction.