Growth of cracks in concrete due to water pressure

  • Geymayer, Helmuth (Co-Investigator (CoI))

Project: Research project

Project Details

Description

Gradually increasing water pressure was applied to internal circular cracks (diameter 10-36 cm) in concrete cylinders (diam. 60 to 110 cm, 40-70 cm high) until unstable crack growth initiated failure. The tests have shown that moderate pressures (50-20 bar) can be sufficient to cause instable growth of relatively small cracks. The influence of sample and test geometry, concrete composition and the feasability to the method for determining KIc values for concrete were investigated.
StatusFinished
Effective start/end date1/01/9531/01/96

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