Contents

Internship hardened concrete

• Production of a concrete mix based on a specified mix recipe
• Analyses on fresh concrete (consistency, spreading dimension, compaction dimension)
• Behaviour in test forms
• Fresh concrete density
• Demoulding, stripping
• Storage of concrete cubes
• Raw density testing of hardened concrete
• Determining the compressive strength

Internship fresh concrete

• Sampling at a mixing station
• Determination of fresh concrete temperature
• Testing the consistency (spreading dimension, compaction dimension)
• Fresh concrete density (cube)
• Fresh concrete bulk density (air pocket)
• Air void content
• Water content, kiln test
• Maturity check

Testing of concrete in buildings

• Rebound number
• Drill core extraction
• Determination of the carbonation depth
• Measuring crack widths using a crack magnifier