Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 506 laboratory includes: Mechanical and physical testing of cement; Aggregate testing for concrete and mortar; Testing of concrete and heavy concrete mixtures; Laboratory soil mechanical testing; Bitumen testing; Physical and mechanical testing of mineral powder materials in asphalt concrete; Asphalt concrete testing; Testing of fired clay bricks; Field testing; Testing of prestressed concrete pipe piles; Testing centrifugal concrete electric poles; Testing circular culverts and reinforced concrete box culverts; Testing precast concrete and reinforced concrete structures; Testing construction mortar; Testing of metal materials and welded joints. 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. 79/QD-BXD dated March 3, 2010 of the Minister of Construction.