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4 558 (0,112s) •

Project

Quantification of constraint effect on fracture toughness of ferritic steels at cleavage fracture (GA106/00/1347)

is a relatively new approach within the so called two-parameter fracture mechanics for which fracture mechanics. Both practice and experimental tests showed that one-parameterThe goal of the Project is to apply th...

JL - Únava materiálu a lomová mechanika

  • 2000 - 2002
    • •
  • 1 879 tis. Kč
    • •
  • 1 386 tis. Kč
    • •
  • GA ČR
Project

Specimen geometry influence and size effect on fracture parameters of cementitious composites (GP103/07/P403)

. Fracture models based on both approaches are handled by at least two parameters. One; the next determines the crack size. Testing methods for the fracture parameters on the values of determined fracture ...

JL - Únava materiálu a lomová mechanika

  • 2007 - 2009
    • •
  • 1 342 tis. Kč
    • •
  • 1 342 tis. Kč
    • •
  • GA ČR
Project

Energetic and stress state aspects of quasi-brittle fracture ? consequences for determination of fracture-mechanical parameters of silicate composites (GAP105/11/1551)

determiningpure material values of fracture parameters independent of the test geometry of fracture parameters is based on the relationship between the energy dissipated using approaches: i) Multi-parameter

JL - Únava materiálu a lomová mechanika

  • 2011 - 2013
    • •
  • 5 497 tis. Kč
    • •
  • 4 997 tis. Kč
    • •
  • GA ČR
Project

Fracture-mechanical parameters of quasibrittle materials in simulation of structural response (FRAPA) (GA13-03662S)

for determination of fracture-mechanical parameters of concrete and other quasi-brittle emphasize is on assessment of both deterministic and statistical parameters of fracture with numerical modeling via nonlinear...

JN - Stavebnictví

  • 2013 - 2016
    • •
  • 4 996 tis. Kč
    • •
  • 4 996 tis. Kč
    • •
  • GA ČR
Project

Multilevel determination of fracture–mechanical parameters for simulation of concrete structures (MUFRAS) (GA19-09491S)

will be developed to determine mechanical fracture parameters for simulation of concrete to gain “true” fracture energy and other material parameters, which will be independent on testing configuration and specime...

Materials engineering

  • 2019 - 2021
    • •
  • 4 977 tis. Kč
    • •
  • 4 977 tis. Kč
    • •
  • GA ČR
Project

Fracture parameters of building ceramics (GP103/08/P608)

, the goal of project is the experimental investigation of fracture parameters related to selected types of building ceramic, i.e. fracture energy GF and then parameter Gf and cfcalculated from size effect method o...

JN - Stavebnictví

  • 2008 - 2010
    • •
  • 765 tis. Kč
    • •
  • 765 tis. Kč
    • •
  • GA ČR
Project

Fracture of silicate based composites studied on core drilled specimens ? numerical-modeling background for advanced fracture parameters determination (KJB200410901)

The subject of the proposal is the description of fracture behavior conditions), specimen size, and shape and length of the notch. Tools of two parameter fracture mechanics will be employed. These techniques will be investi...

JL - Únava materiálu a lomová mechanika

  • 2009 - 2011
    • •
  • 1 316 tis. Kč
    • •
  • 1 316 tis. Kč
    • •
  • AV ČR
Project

Hydraulic parameters of fractured rocks determined by logging from parameters of water flow in individual boreholes and between boreholes (GA205/07/0777)

hydraulic model for a multiple-zone fractured aquifer. The method is based on detailed Survey) logs identifying the existence of fractured zones intersecting   the borehole profile will be recorded. Further, the parameters...

DA - Hydrologie a limnologie

  • 2007 - 2009
    • •
  • 1 716 tis. Kč
    • •
  • 1 716 tis. Kč
    • •
  • GA ČR
Project

Physical metallurgy aspects of intergranular fracture in structural steels (GA106/98/0079)

of intergranular fracture damage in structural steels and to set in physical metallurgy parameters the most influencing this process. The findings will within the project be exploited for quantifying the optimum values of these

JG - Hutnictví, kovové materiály

  • 1998 - 2000
    • •
  • 2 001 tis. Kč
    • •
  • 1 591 tis. Kč
    • •
  • GA ČR
Project

Statistical aspects of constraint at brittle fracture initiation (IAC2041011)

constraint on transition and brittle fracture behaviour) the causes of inherent scatter of steel fracture toughness will be analysed by statistical methods. The local fracture reaturesand parameters characterising...

JL - Únava materiálu a lomová mechanika

  • 2000 - 2000
    • •
  • 1 039 tis. Kč
    • •
  • 273 tis. Kč
    • •
  • AV ČR
  • 1 - 10 out of 4 558