Recognition content
The list of experimental criteria eligible for specialized construction activities of the LAS-Construction 350 laboratory includes: Testing of cement mechanics and cement chemistry; concrete and heavy concrete mixtures; testing concrete aggregates and mortar; Laboratory soil mechanical testing; Inspection of construction steel; Asphalt concrete; Bitumen; Field testing; Testing construction mortar; Mechanical testing of masonry bricks; Physical testing of mineral powder materials in concrete; Chemical analysis of water for construction; Mechanical testing of roofing tiles; mortar for lightweight concrete; Bentonite; Sewer pipe testing; testing of permeable wicks and geotextiles; Testing lightweight 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. 456/QD-BXD dated September 25, 2014 and Supplemental Decision No. 189/QD-BXD dated April 8, 2015 of the Minister of Construction.