Testing of construction materials is carried out to determine the physical and mechanical properties on the basis of the following types of construction materials:
CONCRETE
- Determination of compressive strength of concrete cubic samples
- Determination of the average density of concrete mix
- Determination of frost resistance of concrete mix
- Determination of water absorption in concrete
- Determination of moisture content of concrete
- Determination of porosity of concrete
- Determination of comfortable distribution of concrete mix
- Determination of plasticity (hardness) of concrete mix
- Determination of the volume of air in the concrete mix
- Determining the temperature of the concrete mix
- Determination of natural strength of concrete and reinforced concrete structures with Schmidt hammer
CEMENT
- Determination of cement fineness
- Determination of the average density of cement
- Determination of water-cement ratio
- Determination of porosity of cement
- Spread the cone
- Normal consistency
- Determining the beginning and end of the retention period
- Volume change after boiling in water
- Determination of cement casting density
- Determination of humidity
- Determination of the limit of strength in bending
- Determination of tensile strength in compression
- Irrigation of cement
SAND FOR CONSTRUCTION WORK (natural and crushed)
- Determination of sand group and class
- Determination of the grain size and modulus of sand
- Determination of dust and clay particles
- The amount of rolled clays
- Determination of true density in kg / m3
- Determination of casting density kg / m3
- Determination of humidity
CRUSHED STONES AND GRAVEL FROM DENSE MOUNTAIN ROCKS
- Determination of grain composition
- Determination of the amount of chopped grains in%
- Determination of the amount of flat and needle-shaped grains
- Determination of the brand for wear
- Determination of the amount of weak rock grains
- Determination of frost resistance
- Determination of dust and clay particles
- Determination of the amount of rolled clays
- Determination of spill density
- Determination of humidity
- Determination of water absorption
CONSTRUCTION GYPSUM
- Determining the details
- Determination of bending resistance
- Determination of compressive strength
- Determination of normal density
- Determining the beginning and end of the retention period
- Determination of water absorption
- Determination of spill density
- Determination of humidity
LIME
- Determination of detail
- Determination of spill density
- Determination of humidity
- Determination of bending resistance
- Coin of resistance to compression
- Determination of normal density (water-lime-cement) ratio
- Volume change after steaming
FACTORY BRICKS
- Checking the shape and appearance
- Dimension check (length, width, height)
- Determining the size of holes in bricks
- Hole ratios in bricks
- Determination of volume weight in kg / m3
WALL STONES FROM ROCKS
- Checking the shape and appearance
- Dimension check (length, width, height)
- Stone type
- 1m3 - Number of stones custom
- Average density (volume weight) kg / m3
- Determination of water absorption
- Frost resistance (% loss after testing)
