Publication detail

Simulace lomové zkoušky kvazikřehkých materiálů podrobených vysokoteplotnímu namáhání

MATESOVÁ, D. LEHKÝ, D. KERŠNER, Z.

Original Title

Simulace lomové zkoušky kvazikřehkých materiálů podrobených vysokoteplotnímu namáhání

English Title

Simulation of fracture experiment of quasibrittle composites subjected to high temperature loading

Type

conference paper

Language

Czech

Original Abstract

Simulace lomové zkoušky kvazikřehkých materiálů podrobených vysokoteplotnímu namáhání

English abstract

Notched beams made of material on the basis of alkali-activated aluminium silicate represented with blast furnace slag were after 28 days of hardening in laboratory environment subjected to temperature loading up to 200, 400, 600, 800, 1000 and 1200C. Notched specimens were subjected to the three-point bending test and after that compression test on fragments. Mechanical/fracture parameters - modulus of elasticity, modulus of rupture, effective fracture toughness, critical energy released rate and fracture energy - were determined. Some of these parameters served as the primary estimation of selected input data for numerical simulation of performed experiments in ATENA software. The combination of neural network method and stochastic analysis was applied for identification of the input data giving the load-deflection diagram in agreement with fracture experiments.

Key words in English

Notched beams, three-point bending test, fracture parameters, high temperature, nonlinear analysis

Authors

MATESOVÁ, D.; LEHKÝ, D.; KERŠNER, Z.

RIV year

2005

Released

1. 1. 2005

Publisher

VŠB - Technická univerzita Ostrava

Location

Ostrava

ISBN

80-248-0776-9

Book

Modelování v mechanice 2005

Pages from

153

Pages to

158

Pages count

6

BibTex

@inproceedings{BUT17395,
  author="Dita {Vořechovská} and David {Lehký} and Zbyněk {Keršner}",
  title="Simulace lomové zkoušky kvazikřehkých materiálů podrobených vysokoteplotnímu namáhání",
  booktitle="Modelování v mechanice 2005",
  year="2005",
  pages="6",
  publisher="VŠB - Technická univerzita Ostrava",
  address="Ostrava",
  isbn="80-248-0776-9"
}