Recognition content
The list of experimental criteria eligible for specialized construction activities of the LAS-Construction 501 laboratory includes: Testing of cement mechanics and cement chemistry; Testing of cement mortar; Heavy concrete and concrete mixtures; Slag, chemical additives for concrete; Concrete aggregates and mortar; Testing mineral powder in asphalt concrete; Laboratory soil mechanical testing; Inspection of construction steel; Asphalt concrete; Bitumen; Field testing; Chemical analysis of water in construction; Mechanical testing of masonry bricks; Asphalt concrete testing; Physical and mechanical testing of bentonite and polymers; Acid-based asphalt emulsion testing; Testing geotextiles, PP sacks, absorbent wicks, permeable wick covers, permeable membranes. Technical criteria 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. 497/QD-BXD dated October 21, 2014 of the Minister of Construction.