Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 22 laboratory includes: Cement testing; Testing of concrete and heavy concrete mixtures; Mechanical testing of construction mortar; Mechanical testing of mortar for lightweight concrete; Physical and mechanical testing of aggregates for concrete, mortar and crushed stone; Chemical additives for concrete; Min grinding mineral additives; Water analysis for construction; Soil mechanical testing; Physical and mechanical testing of metals and welds; Testing physical and mechanical criteria of asphalt concrete; Testing physical and mechanical criteria of asphalt (Bitum); Physical and mechanical testing of liquid asphalt; Testing physical and mechanical criteria of acid-based asphalt; Testing mineral powder materials in asphalt; Mechanical testing of baked clay bricks; Mechanical testing of lightweight concrete bricks; Mechanical testing of concrete block bricks; Try out the mechanics of self-inserting concrete tiles; Cement floor tiles; Fired clay tiles; Testing soil-cement mixture; Bentonite solution testing; Geotextile, absorbent wick; Wall putty; Natural aggregates reinforce cement; Field 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.