Rate Effects and Load Relaxation in Static Fracture of Concrete

  title={Rate Effects and Load Relaxation in Static Fracture of Concrete},
  author={Ravindra Gettu},
  • Ravindra Gettu
  • Published 2005
Reports an experimental study of the fracture of concrete at "arious crack mouth opening displacement (CMOD) rates with time to peak loads ranging from about 1 sec to 3 days (over five orders of magnitude). Tests were conducted on three-point bend specimens of three sizes in the ratio 1:2:4. Quasi-elastic fracture analysis, based on the effective modulus jrom creep theory, is used to evaluate the results according to the size effect method. The fracture toughness is found to decrease in… CONTINUE READING
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