Recognition content
The list of experimental criteria eligible for specialized construction activities of LAS-Construction 427 laboratory includes: Physical and chemical testing of cement; Mechanical testing of cement concrete; Physical and mechanical testing of construction mortar; Mechanical testing of aggregates used for concrete and mortar; Soil mechanical testing; Physical and mechanical testing of metals and welds; Mechanical testing of asphalt concrete; Physical and mechanical testing of asphalt and polymer asphalt; Physical and mechanical testing of acid-based asphalt emulsion; Liquid asphalt test; Acid-based polymer asphalt emulsion testing; Testing of cold reclaimed scraping mix using foamed bitumen and cement; Physical and mechanical testing of BTN mineral powder; Mechanical testing of concrete blocks; Mechanical testing of self-inserting concrete bricks; Physical and mechanical testing of cement floor tiles; Physical and mechanical testing of masonry bricks; Physical and mechanical testing of tiles and paving stones; Physical and mechanical testing of bentonite; Physical and mechanical testing of soil, rock, and sand reinforced with adhesives; Field testing; Mechanical testing of terazo bricks; Mechanical testing of construction glass; Wall putty experiment; Experiment with emulsion wall paint; Testing PVC, uPVC, PPR, HDP plastic pipes and pipe accessories, Mica sheets; Physical and mechanical testing of geotextiles and absorbent wicks.
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 5 years from the date of issue and replaces Certificate No. 84/GCN-BXD dated January 31, 2019 of the Minister of Construction.