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68 645 (0,288s)

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Comparison of dynamic young's modulus of elasticity values measured by ultrasonic pulse and resonance methods

Dynamic Young´s modulus of elasticity can be determined by ultrasonic pulse; the difference stated for concrete is 5 to 20%. It was found that the dynamic Young's modulus is on average higher by 9...

Civil engineering

  • 2015
  • D
  • Link
Result

Nondestructive Determination of Young's Modulus of Gypsum Specimens Using Impulse Excitation Method

The paper presents a nondestructive impulse excitation method for Young's modulus determination of gypsum specimens. The dynamic Young's modulus is calculated, the time dependent changes of dynamic

JM - Inženýrské stavitelství

  • 2010
  • D
Result

"Size-effect" and Usage of Impulse Excitation Method for Determination of Dynamic Young´s Modulus of Gypsum

The paper presents the dependence of the mechanical properties on the size of the gypsum test specimens. Specimens were tested under laboratory conditions using non-destructive impulse excitation method. Measurement was focused on dynamic

JM - Inženýrské stavitelství

  • 2010
  • D
Result

Ratio between Dynamic Young’s Moduli of Cementitious Materials Determined through Different Methods

The article deals with determining the dynamic Young’s modulus of cementitious. The dynamic Young’s modulus was always determined at the ages of 24 and 72 hours using two is the discovered relatio...

Civil engineering

  • 2021
  • D
  • Link
Result

Determination of dynamic Young?s modulus of vulnerable speleothems

In the present paper, determination of the dynamic Young?s modulus of broken speleothems originated in Baradla-Domica cave system (Northern Hungary and Southern Slovakia) is presented. The dynamic Young?s ...

DB - Geologie a mineralogie

  • 2015
  • Jx
  • Link
Result

Comparison of Static and Dynamic Young's Modulus of Gypsum Blocks

The paper presents comparison of results of two methods for Young's modulus evaluation of gypsum blocks. The dynamic Young's modulus was calculated based on the measured natural frequencies of longitudinal...

JM - Inženýrské stavitelství

  • 2010
  • Jx
Result

Comparison of Static and Dynamic Young's Modulus of Gypsum Blocks

The paper presents comparison of results of two methods for Young's modulus evaluation of gypsum blocks. The dynamic Young's modulus was calculated based on the measured natural frequencies of longitudinal...

JM - Inženýrské stavitelství

  • 2009
  • D
Result

Dynamic Young's Modulus Evaluation of Concrete Specimens

The paper presents comparison of results of two methods for Young's modulus evaluation of concrete specimens. The dynamic Young's modulus was calculated based on measured natural frequencies of longitudina...

JM - Inženýrské stavitelství

  • 2010
  • Jx
Result

Dynamic Young's Modulus Evaluation of Concrete Specimens

The paper presents comparison of results of two methods for Young's modulus evaluation of concrete specimens. The dynamic Young's modulus was calculated based on measured natural frequencies of longitudina...

JM - Inženýrské stavitelství

  • 2009
  • D
Result

Development of Mechanical Properties of Gypsum During its Hardening

The article describes the development of mechanical properties of grey gypsum during its hardening. Non-destructive resonance method was used for establishing mechanical properties of gypsum samples (Dynamic Young's Modulus...

JN - Stavebnictví

  • 2012
  • D
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