Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 904 laboratory includes: Mechanical and physical testing of cement; Testing of concrete and heavy concrete mixtures; Testing concrete aggregates and mortar; Laboratory soil mechanical testing; Testing of metal materials and welded joints; Asphalt concrete testing; Bitumen testing; Testing construction mortar; Field experiments; Mechanical and physical testing of bricks. 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, replacing Certificate No. 1075/GCN-BXD July 25, 2019.