Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 420 laboratory includes: Mechanical and physical testing of cement; Testing of concrete and heavy concrete mixtures; Testing concrete aggregates and mortar; Testing construction mortar; Physical and mechanical testing of soil and crushed stone CP in the room; Check steel, metal, welds; Testing additives for concrete; Testing water used for construction; Asphalt concrete testing; Mechanical testing of fired clay bricks; Mechanical testing of concrete bricks; Mechanical testing of lightweight concrete bricks; Mechanical testing of self-inserting concrete bricks; Mechanical testing of Terrazzo tiles; Field testing; Bentonite experiment; Bitumen resin, liquid asphalt, acid emulsion; Testing mineral powder materials in asphalt concrete; Paint traffic signals; Testing geotextiles and absorbent wicks; Construction glass testing.
Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of a technical standard replacing the old standard, the corresponding new standard must be applied.
This certificate is valid for 05 years from the date of issue and replaces Certificate No. 489/GCN-BXD dated September 13, 2017.
