Address
Số 10, ngõ 348 đường Kim Giang, phường Đại Kim, quận Hoàng Mai, thành phố Hà Nội
Laboratory address
số 28/11, ngõ 348 đường Kim Giang, phường Đại Kim, quận Hoàng Mai, thành phố Hà Nội
Recognition content
The list of testing criteria eligible for specialized operations in Construction of the LAS-Construction 977 laboratory includes: Testing physical and mechanical criteria of cold-in-place recycled material layers used for automobile pavement structures - and deep recycling using foamed asphalt and cement; Testing the half-life of foam bitumen, expansion rate of foam bitumen; Measure ground resistance and lightning protection resistance for projects; Traffic sign paint - thermoplastic reflective road marking material: color, drying time, heat resistance, anti-slip, thermo-softening, abrasion, density, adhesion; Wall paint – water resistance, test resistance, washout resistance, hot and cold cycle durability of the paint film; Testing the angularity of coarse aggregate; Experiment on mineral powder used for plastic stone mixture: Density, particle composition, moisture, plasticity index, hydrophilicity coefficient; Bitumen – method for determining elasticity, storage stability, penetration index, solubility in solvents; SBS additive – density, volatile matter content, ash content, viscosity; Road surface sliding resistance is equal to British pendulum; Measure the thickness of the protective coating; Waterproofing materials – ductility strength, tear resistance, joint separation resistance, low temperature bending resistance, waterproofing, thickness, puncture resistance, adhesion strength, bridging cracks, water permeability; Plastic pipes and pipe accessories – geometric dimensions, impact resistance, resistance to internal pressure; Backfill material - proctor compaction, CBR ratio in room; Field experiment - backfill material: determine moisture content, volumetric weight using sand pouring PP, volumetric weight using belt knife PP. The technical standards of the test 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 takes effect from the date of issue, supplementing Certificate No. 946/GCN-BXD dated July 8, 2019