Construction materials testing
Mechanical tests:
On hardened concretes and mortars
- Tensile strength
- Flexural strength
- Compressive strength
- Splitting tensile strength
- Individually tailored test methods
- Water penetration test
On cements
- Determination of setting times
- Determination of spatial stability
- Determination of water demand for the standard consistency
- Compressive strength of cement mortar prisms
- Flexural strength of cement mortar prisms (three-point load test)
Chemical and analytical tests:
- Simulation of acid and sulfate attacks on concretes and mortars
- Mercury intrusion porosimetry
- Determination of the pure density of cement and mineral-bonded materials
- Photometric determination of elements in the eluate of concretes and mortars
- Chloride penetration depth and content
Microscopic examinations:
- Determination of micropore and air void characteristics in hardened concrete
- Investigation of concrete degradation at the microlevel
- Determination of acid penetration depth
- Laser-induced plasma spectroscopy (LIPS) for elemental analysis of materials
- Determination of carbonation depth in hardened concrete
Durability tests:
- Testing for alkali sensitivity - ASR (alkali-silica reaction)
- Testing for freeze-thaw resistance (CDF/CIF)
- Determination of carbonation resistance
- Wear resistance according to Böhme
- Determination of chloride penetration resistance by means of rapid chloride migration tests
- Investigation of thermal stresses and simulation of climatic exposures
