Recognition content
The list of experimental criteria eligible for specialized construction activities of LAS-Construction 325 laboratory includes: Mechanical - physicochemical testing of cement; Testing of concrete and heavy concrete mixtures; Aggregate testing for concrete and mortar; Laboratory soil mechanical testing; Testing of reinforced soil materials; Testing of metal materials and welded joints; Testing of gabions, stone mats, plastic-coated steel wire; Field testing; Bentonite test; Testing construction mortar; Polymer-based durable mortar; Chemical additives, active mineral additives for mortar and concrete; Chemical analysis of construction water; Asphalt concrete testing; Asphalt testing – liquid asphalt; Asphalt emulsion testing; Physical and mechanical testing of mineral powder materials in asphalt concrete; Testing masonry; Testing of non-autoclaved and autoclaved aerated concrete products; Testing of tiles; Roofing tile testing; Testing of geotextiles, geogrids and permeable wicks; Physical and mechanical testing of waterproofing sheets and membranes; Testing PVC, HDPE pipes, plastic materials, waterstops, and accessories.
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. 677/GCN-BXD dated October 17, 2018.
