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 05 years from the date of issue and replaces Decision No. 456/QD-BXD dated September 25, 2014 and Additional Decision No. 189/QD-BXD dated April 8, 2015 of the Minister of Construction.