Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1543 laboratory includes: Testing of cement and cement clinker; Aggregate testing for concrete and mortar; Mechanical testing of concrete mixtures and heavy concrete; Mechanical testing of construction mortar; Testing masonry; Testing ceramic tiles, natural paving stones, and artificial paving stones; Chemical analysis of water for construction; Mineral and chemical admixtures for cement and concrete; Bentonite solution testing; Bitumen testing; Asphalt concrete testing; Testing mineral powder materials in asphalt concrete; Check metal, welding, cable; Laboratory soil testing; Testing soil reinforced with adhesive; Testing of acid asphalt emulsion materials; Testing traffic signal paint - thermoplastic reflective road marking materials; Field testing.
Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of a technical standard replacing the old standard, the corresponding new standard must be applied.
This certificate is valid for 05 years from the date of issue and replaces Certificate No. 903/GCN-BXD issued on December 28, 2018.