Detail publikace

From Fracture Experiments to Advanced Design and Assessment of Precast Structural Members

Originální název

From Fracture Experiments to Advanced Design and Assessment of Precast Structural Members

Anglický název

From Fracture Experiments to Advanced Design and Assessment of Precast Structural Members

Jazyk

en

Originální abstrakt

An objective reliability analysis of structural members made of advanced cementitious composites must be based on good knowledge of stochastic properties of individual mechanical fracture parameters of utilized material models. The article presents a comprehensive approach to the design and assessment of precast structural elements including: The series of fracture tests of the two concrete mixtures with various ages in two configurations (three point bending and wedge splitting test), subsequent identification of material parameters using effective crack model, work of fracture method and artificial neural networks, execution of destructive tests of scaled structural members and creation of deterministic models of these tests using collected data. In subsequent phases of the project reliability analysis of tested beams will be carried out in order to obtain stochastic parameters of structural response of prestressed elements to shear load. The obtained data will be used to calibrate the analytical equation describing the response of element exposed to both normal and shear forces. The entire process will be concluded by reliability-based optimization of manufactured components.

Anglický abstrakt

An objective reliability analysis of structural members made of advanced cementitious composites must be based on good knowledge of stochastic properties of individual mechanical fracture parameters of utilized material models. The article presents a comprehensive approach to the design and assessment of precast structural elements including: The series of fracture tests of the two concrete mixtures with various ages in two configurations (three point bending and wedge splitting test), subsequent identification of material parameters using effective crack model, work of fracture method and artificial neural networks, execution of destructive tests of scaled structural members and creation of deterministic models of these tests using collected data. In subsequent phases of the project reliability analysis of tested beams will be carried out in order to obtain stochastic parameters of structural response of prestressed elements to shear load. The obtained data will be used to calibrate the analytical equation describing the response of element exposed to both normal and shear forces. The entire process will be concluded by reliability-based optimization of manufactured components.

BibTex


@inproceedings{BUT124240,
  author="Drahomír {Novák} and David {Lehký} and Ondřej {Slowik} and Ladislav {Řoutil}",
  title="From Fracture Experiments to Advanced Design and Assessment of Precast Structural Members",
  annote="An objective reliability analysis of structural members made of advanced cementitious
composites must be based on good knowledge of stochastic properties of individual mechanical
fracture parameters of utilized material models. The article presents a comprehensive approach to
the design and assessment of precast structural elements including: The series of fracture tests of the
two concrete mixtures with various ages in two configurations (three point bending and wedge
splitting test), subsequent identification of material parameters using effective crack model, work of
fracture method and artificial neural networks, execution of destructive tests of scaled structural
members and creation of deterministic models of these tests using collected data. In subsequent
phases of the project reliability analysis of tested beams will be carried out in order to obtain
stochastic parameters of structural response of prestressed elements to shear load. The obtained data
will be used to calibrate the analytical equation describing the response of element exposed to both
normal and shear forces. The entire process will be concluded by reliability-based optimization of
manufactured components.",
  booktitle="Trends in Statics and Dynamics of Constructions II",
  chapter="124240",
  doi="10.4028/www.scientific.net/AMM.837.167",
  howpublished="online",
  number="837",
  year="2016",
  month="january",
  pages="167--174",
  type="conference paper"
}