Second Grade Construction Analysis and Testing Laboratory

ANCFD – Natural aggregates for railroads and road works:
– Determining the shape coefficient. Appearance and shape of granules
– Determining the fraction content less than 0,63 mm
– Determining the degree of granule fracture. Determining the percentage of broken surfaces in aggregates
– Determining the real volumetric mass and water absorption coefficient
Tests for determining the mechanical and physical characteristics of aggregates
– Determining the bulk volumetric mass and intergranular porosity
– Determining the blue value – methylene test
– Sand equivalent
– Aggregate sampling
– Resistance to crushing with Los Angeles machinery
– Determining the granularity. Granulometric analysis through sifting. Tests to determine the geometric characteristics of the aggregates
– Determining the particle length
BBABP – Concrete, reinforced concrete and precompressed concrete
– Test samples – Wet concrete tests
– Preservation of samples – Dried concrete tests
– Occluded air content – Wet concrete tests
– Apparent density – Dried concrete tests
– Apparent density of wet concrete
– Determining the consistency of wet concrete, through compression method
– Sampling – Wet concrete tests
– Preliminary tests – Wet concrete tests
– Water – cement ratio. Wet concrete tests
– Freeze-thaw resistance – Dried concrete tests
– Mechanical concrete strength (compression, bending)
– Temperature – Wet concrete tests
– Spread test – Wet concrete tests
D – ROADS
– Water absorption – Asphalt mixtures and hot bituminous coatings tests
– Compacting characteristics with density in a dry state: optimal humidity: Modified Proctor test – Road layers tests from natural aggregates or soils stabilized with hydraulic or puzzolanic binders
– Compacting characteristics. Density in a dry state. Optimal humidity. Modified Proctor test. Tests for natural aggregates foundations
– Mechanical and water immersion characteristics. Resistance to compression. Water stability. Loss of mass. Tests of materials stabilized with puzzolanic or hydraulic binders
– Mixtures composition – Quick Method. Asphalt mixtures and hot bituminous coatings tests
– Production of test specimens- Asphalt mixtures and hot bituminous coatings tests
– Production of test specimens with the compactor. Asphalt mixtures and hot bituminous coatings tests
– Bitumen content with the NCAT furnace
– Apparent density – Asphalt mixtures and hot bituminous coatings tests
– Determining the load bearing capacity of roads with Benkelman levers. Soil foundation tests: natural or artificial aggregates foundations, mechanically stabilized soil bases, or binder stabilized soils
– Determining the test specimen dimensions – Asphalt mixtures
– Determining the degree of compaction in the asphalt mix. Impact Compaction Method
– Determining the degree of compaction. Tests for road layers from natural aggregates or soil stabilized with hydraulic or puzzolanic binders
– Determining the maximum volumetric mass of asphalt mixtures
– Degree of compaction – Tests for natural aggregates foundations
– Granularity. Foundations of natural aggregates or mechanically stabilized soil. Road layers made of natural aggregates or soil stabilized with hydraulic binders
– Volumetric weight. The plastic foil and water method
– Volumetric weight. The sand cone method
– Warping tests – Asphalt mixtures and hot bituminous coatings tests
– Measuring the unevenness of the wear and tear on the layers of road coating
– Sample preparation – Asphalt mixtures and hot bituminous coatings tests

– Preparing the mixture and the test samples – Tests for road layers from natural aggregates or soil stabilized with hydraulic or puzzolanic binders – natural aggregates mixture or soil binder and water
– Sampling – Asphalt mixtures and hot bituminous coatings tests
– Preparation of the asphalt mix in the laboratory
– Preparation of the mixture to determine composition. Tests for road layers from natural aggregates or soil stabilized with hydraulic or puzzolanic binders
– Marshall stability and seepage – Asphalt mixtures and hot bituminous coatings tests
– Temperature – Asphalt mixtures and hot bituminous coatings tests
– Schellenberg Test – Asphalt mixtures and hot bituminous coatings tests
– Moisture – Tests for foundations made of natural aggregates
– Moisture – Tests for road layers from natural aggregates or soil stabilized with hydraulic or puzzolanic binders – natural aggregates mixture or soil binder and water
– Void Volumes – Asphalt mixtures and hot bituminous coatings tests
– Determining the linear deformation module. Lukas Plate
– Determining the dynamic deformation module (Evd). Dynamic plate test
GTF – Geotechnics and foundation
– Compacting features: Proctor test
– Characteristics of contractile soils: free swelling
– Classification and identification of soils
– Soil density
– Degree of compaction
– Granularity: combined method
– Volumetric weight
– Plasticity limits
– Organic matter
– Taking soil samples
– Humidity
– Determining the frost sensitivity of the soil
– Determining the permeability in the laboratory
MBM – Concrete and mortar materials
– Making test specimens – Physical tests for cements
– Humus content – Tests for natural river aggregates
– Granulometric curve – Tests for natural river aggregates
– Determining the aggregate shape coefficients
– Determining the bulk mass and intergranular porosity of aggregates
– Determining the real volumetric mass and water absorption coefficient – Tests for aggregates
– Determining the Le Chatelier ring and needle stability – Tests for cement
– Determining the hardening time – Tests for cement
– Taking concrete aggregate samples
– Leachable parts – Tests for natural river aggregates
– Mechanical resistance – Tests for cement
– Humidity – Tests for natural river aggregates
– Humus content
– Tests to determine the thermal and alterability characteristics of aggregates. Testing with magnesium sulphate
– Coarse aggregate resistance to freezing / thawing
MD – Road materials
– Characterization of sensory properties. Tests for bitumen and bituminous binders
– Hydrophilic coefficient. Tests on limestone, chalk, lime powder fillers
– Bitumen content. Tests for bituminous emulsions
– Apparent density. Tests on limestone, chalk, lime powder fillers
– Determining the volumetric mass at 25 degrees Celsius (warping products)
– Determining the pH of emulsions
– Ductility – Tests for bitumen and waterproofing
– Granularity – Tests on limestone, chalk, lime powder fillers
– Homogeneity – Tests for bituminous emulsions
– Penetration – Tests for road bitumen and waterproofing
– Sampling – Tests for bitumen, bituminous binders and emulsions
– Softening point – Tests for road bitumen and waterproofing
– Frass breaking point – Tests for bitumen and waterproofing
– Storage stability – Tests for bituminous emulsions
– Moisture – Tests on limestone, chalk, lime powder fillers
– Viscosity: the STV viscometer method – Tests for bituminous emulsions
– Determining the elastic recovery of modified bitumen – Tests for road bitumen and waterproofing
– Determining the storage stability of modified bitumen
L INJ – Injection works
– Determining the wet density of pre-tensioned anchoring pastes
– Determining the conic fluidity of pre-tensioned anchoring pastes
– Determining the spread of pre-tensioned anchoring pastes
– Determining the compressive strength of pre-tensioned anchoring pastes