Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 433 laboratory includes: Cement testing; Testing aggregates for concrete and mortar; Testing of concrete and heavy concrete mixtures; Testing construction mortar; Testing of physical and mechanical properties of mineral powder in asphalt; Bentonite solution testing; Testing of fired clay bricks; Testing concrete bricks (aggregate concrete bricks - cement); Mechanical testing of self-inserting concrete bricks; Testing terrazzo tiles; Bitumen testing; Asphalt concrete testing; Check metal and metal welds; Laboratory soil testing; 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, replacing Decisions: No. 135/QD- BXD dated April 24, 2012, No. 391/QD-BXD dated October 3, 2012 and No. 392/QD-BXD dated October 3, 2012.