Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 1173 laboratory includes: Mechanical and physical testing of cement; Heavy concrete and concrete mixtures; Sand, crushed stone (gravel), aggregate materials; Laboratory soil mechanical testing; Inspection of construction steel; Testing construction mortar; Field experiments; Mechanical testing of masonry bricks; Mechanical testing of self-inserting concrete bricks; Mechanical testing of concrete blocks; Lightweight concrete - autoclaved aerated concrete (AAC) bricks; Lightweight concrete - foam concrete bricks, non-autoclaved gas; Testing cement floor tiles and terrazzo tiles; Testing of ceramic tiles and roofing tiles; Water chemistry testing for construction. 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. 116/GCN-BXD dated February 6, 2018.