Address
Đội 5, xóm Bến, thôn Ba Lăng, xã Dũng Tiến, huyện Thường Tín, thành phố Hà Nội
Lab Name
Center for Testing and Quality Assurance of construction works
Đội 5, xóm Bến, thôn Ba Lăng, xã Dũng Tiến, huyện Thường Tín, thành phố Hà Nội
Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1321 laboratory includes: Pile - pp test of axial static load belt; Houses and construction works - Determination of horizontal displacement using geodetic methods; Geodetic work in construction; Measuring construction subsidence; Procedure for monitoring tilt using geodetic methods; Physical and mechanical testing of tiles: Determine bending and breaking load; Water absorption; Determine water crossing time; Determine the volume of 1m2 of water-saturated tile; Loading testing method evaluates the durability, hardness and crack resistance of concrete structures; Determine the water permeability of rock using PP to force water into the borehole; Determine soil water permeability by pouring water from dug holes or drill holes; Concrete - determination of pullout strength; Testing of precast concrete culvert bearings: Checking for visual defects, strength, and load-bearing capacity; Piles - Field test method using static axial load; Testing gabions, stone mats and twisted hexagonal mesh products for waterway traffic works; Evaluate the durability of structural parts subjected to bending on the project using static load testing method; Determine wedge and anchor hardness; Testing the mechanical properties of steel-reinforced rubber bridge bearings without sliding plates in road bridges: Tensile strength; Elongation at break and elongation after break; Aging coefficient; Residual compression deformation; Shear tensile strength; Peeling tensile strength; Sliding module; Testing physical and mechanical indicators of fly ash: Determining the total content of oxides SiO2 + Al2O3 + Fe2O3; Determination of SO3 content; Determination of CaOtd content; Determination of loss content during calcination; Determination of harmful alkaline content; Determination of humidity; Determine the fineness according to the amount of residue on the 45mm sieve; Determine the amount of water required; Determination of Chlorine ion content (Cl-); Determine the intensity activity index. 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 supplements Certificate No. 623/GCN-BXD dated June 5, 2019 and is valid until June 5, 2024.
Source
Certificate 257/GCN-BXD