Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 970 laboratory includes: Mechanical and physical testing of cement; Testing of concrete and heavy concrete mixtures; Aggregate testing for concrete and mortar; Testing chemical additives for concrete; Testing fly ash active additives for concrete, mortar and cement; Testing of metal materials and welded joints; Field testing, prestressed centrifugal concrete piles. Technical standards 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 05 years from the date of issue and replaces Decision No. 355/QD-BXD dated August 6, 2010 of the Minister of Construction.