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Results

217 219 results (2,502s) •

Result

Ultrasonic impulse method for measuring dynamic modulus of elasticity

porous materials by ultrasonic method is carried out. The ultrasonic impulse method based on the principle of transmitter and receiver is utilized. The ultrasonic probe - transmitter emits period...

JN - Stavebnictví

  • 2009
    • •
  • C
Result

Detection of intermodulation signal for nonlinear ultrasonic mixing impulse spectroscopy

Nonlinear ultrasonic mixing impulse spectroscopy (NUMIS) has great potential advantages in comparison with other nonlinear ultrasonic methods. It is first of all from digital filtration and detection of the imp...

KA - Vojenství

  • 2013
    • •
  • D
    • •
  • Link
Result

Principles of a Defect Localisation in Nonlinear Ultrasonic Mixing Impulse Spectroscopy

Principles of nonlinear ultrasonic mixing impulse spectroscopy (NUMIS) show great potential advantages in comparison with other nonlinear ultrasonic methods and algorithms of calculation of the defect place for thi...

KA - Vojenství

  • 2014
    • •
  • Jx
    • •
  • Link
Result

Principles of a defect localisation in nonlinear ultrasonic mixing impulse spectroscopy

Principles of nonlinear ultrasonic mixing impulse spectroscopy (NUMIS) show great potential advantages in comparison with other nonlinear ultrasonic methods and algorithms of calculation of the defect place for thi...

KA - Vojenství

  • 2013
    • •
  • D
    • •
  • Link
Result

Equipment for detection defects in the construction materials by ultrasonic scaning

Using the ultrasonic scanning for detection and control possible defects in the construction materials...

JN - Stavebnictví

  • 2008
    • •
  • Fuzit
Result

Equipment for ultrasonic scanning of construction materials

Equipment for the ultrasonic scanning can be used for detection and control of the defects in the construction materials...

JN - Stavebnictví

  • 2011
    • •
  • Gfunk
    • •
  • Link
Result

Testing of concrete with ultrasonic impulse method

The ultrasonic impulse method is one of the basic methods how to test concrete in laboratory as well as directly on the construction in situ. It allows us to determine non-destructively homogeneity of concrete, ela...

JN - Stavebnictví

  • 2013
    • •
  • Jx
Result

Identification of Defects inside Concrete Construction with the Help of Ultrasonic Undulation

Not available...

JI - Kompositní materiály

  • 2005
    • •
  • D
Result

Elastic Modulus Determination of Cores of Concrete used for Evaluation of Influence of Curing Time on Final Concrete Quality

This article deals with the determination of the elastic modulus of concrete C 20/25. Authors determined dynamic modulus of elasticity (using the ultrasonic impulse method and the resonance method) and then the sta...

JN - Stavebnictví

  • 2012
    • •
  • D
Result

Development of Elastic Modulus of Air-entrained Bridge Concrete C 30/37

of the dynamic modulus of elasticity non-destructive methods - ultrasonic impulse method and resonance method - were used. Non-destructive verification of the value of the elastic the creation of the cali...

JN - Stavebnictví

  • 2011
    • •
  • D
  • 1 - 10 out of 217 219