Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 621 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 PVC, uPVC, HDPE pipes; Asphalt concrete; Bitumen resin, liquid asphalt, acid emulsion; Field testing; Testing construction mortar; Mechanical testing of masonry bricks; Mechanical testing of concrete blocks and lightweight concrete blocks; Mechanical testing of self-inserting concrete bricks; Testing of cement floor tiles; Testing the mechanics of terrazzo and grantto tiles; Autoclaved aerated concrete (AAC) bricks; Refractory material testing; Testing physical and mechanical properties of mineral powder; Bentonite mechanics; Chemical analysis of water for construction; Geotextiles - wicks and wick covers; Paint and varnish testing. 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. 134/QD-BXD dated March 23, 2016 of the Minister of Construction.