Institute of Physics of Materials AS CR, v. v. i. > People > Miarka Petr

Ing. Petr Miarka, Ph.D.

Room603
Phone number+420 532 290 430
E-mail[javascript protected email address]
Researcher IDY-5612-2018
ORCID0000-0002-4103-8617
Positionresearcher - Special Issues of Fracture Mechanics and Materials‘ Fatigue (FRACTIGUE)

Scientific interest
  • Fracture and fatigue analysis of building materials
  • Mixed-mode I/II; DIC; FEM
  • Fracture process zone in concrete

Education
  • 2017-2021: Doctoral degree – Brno University of Technology, Faculty of Civil Engineering (dissertation in pdf)
  • 2014-2017: Master’s degree – Brno University of Technology, Faculty of Civil Engineering – Structural Mechanics
  • 2010-2014: Bachelor’s degree – Brno University of Technology, Faculty of Civil Engineering – Concrete structures
    Work experiences
  • From 08/2022: Researcher - FRACTIGUE group, IPM CAS
  • 09/2021-07/2022: Post-doc - Magnel-Vandepitte Laboratory, Gent University, Gent, Belgium
  • From 01/2018: Assistant professor - Institute of Structural Mechanics, Brno University of Technology, Faculty of Civil Engineering
  • 2017-2021: Ph.D. student - High-cycle fatigue group, IPM CAS
  International internships
  • 10/2019: CAS mobility, Tohoku Institute of Technology, Sendai, Japan
  • 11/2018 – Free-movers internship, University of Seville, Seville, Spain
  • 02/2018-08/2018: Erasmus+, Gent University, Gent, Belgium
  • 09/2015-06/2016 – Erasmus+, Gent University, Gent, Belgium
   Projects
  • 09/2024-08/2027: Principal Investigator - 32nd Open access competition IT4I: OPEN-32-13: Meso-FEM approach to concrete fracture
  • Od 10/2023: Junior leader of 1st Division – Hybrid silica materials and their technological application in OP JAK: Materials and technologies for sustainable development (MATUR): CZ.02.01.01/00/22_008/0004631
  • 09/2023-08/2024: Principal Investigator - 29th Open access competition IT4I: OPEN-29-13: Concrete Fracture: A meso-level approach
  Awards
  • 01/2022-12/2023: Program for perspective human resources (PPLZ) CAS
  • 01/2018–12/2020: Brno Ph.D. Talent
 

2025

Malíková (Šestáková) L., Katzer J., Miarka P., Al Khazali M., Seitl S.: Failure analysis of mortar specimens with a hexagonal honeycomb panel during fatigue load. Periodica Polytechnica-Civil Engineering 2 (2025) 38834

Bílek V., Pešata M., Matýsková K., Miarka P.: Long-term development of mechanical properties of concrete with different water to cement ratio and internal curing ability . Frattura ed Integrita Strutturale 19 (2025) 263-272


2024

Miarka P., Kytýř D., Koudelka P., Bílek V.: Damage Localisation in Fresh Cement Mortar Observed via In Situ (Timelapse) X-ray micro-CT imaging.. Cement and Concrete Composites 154 (2024) 105736

Malíková (Šestáková) L., Miarka P.: Fatigue crack propagation near a corrosion pit in a HSS specimen. Theor. Appl. Fract. Mech. 129 (2024) 104214

Bancerz P., Katzer J., Miarka P.: Case study of fiber reinforced, lightweight concrete, intended for production of precast elements. Case Studies in Construction Materials 21 (2024) e03755


2023

Miarka P., Cruces A., Lopez-Crespo P., De Corte W.: On the localisation of the FPZ under a pure mode II load identified by a hybrid method. Eng. Fract. Mech. 279 (2023) 109019

Miarka P., Malíková (Šestáková) L., Bílek V., Benešová A., Merta I., Seitl S.: On the fatigue resistance of high performance concrete. AIP Conference Proceedings 2950 (2023) 020040

Juhászová T., Miarka P., Seitl S.: Comparison of crack growth rates of IPE beams made from stainless steel in three-point bending. Procedia Struct. Integr. 51 (2023) 213-218

Juhászová T., Miarka P., Jindra D., Kala Z., Seitl S.: Evaluation of fatigue crack growth rates in an IPE beam made of AISI 304 under various stress ratios. Procedia Struct. Integr. 43 (2023) 172-177

Miarka P., Seitl S., Klusák J., Malíková (Šestáková) L., Merta I., Bílek V.: High-cycle fatigue cracks in concrete investigated by micro cT tomography.. Procedia Struct. Integr. 43 (2023) 124-129

Miarka P., Cruces A., Lopez-Crespo P., De Corte W.: Fracture process zone development and length assessment under the mixed-mode I/II load analysed by digital image correlation technique. Cement and Concrete Research 173 (2023) 1-22

Bílek V., Bujdoš D., Dubovský V., Khestl F., Procházka L., Malíková (Šestáková) L., Miarka P.: Development of fracture and other mechanical properties of concretes with different curing. AIP Conference Proceedings 2950 (2023) 020010

Malíková (Šestáková) L., Doubek P., Miarka P., Seitl S.: Numerical modelling of stress field near a crack tip influenced by corrosion. AIP Conference Proceedings 2950 (2023) 020023

Doubek P., Malíková (Šestáková) L., Miarka P., Seitl S.: Laser cladded protective layer on the S960 change of microhardness in the vicinity of the bi-material interface. Procedia Struct. Integr. 43 (2023) 101-106


2022

Malíková (Šestáková) L., Miarka P., Doubek P., Seitl S.: Influence of the interphase between laser-cladded metal layer and steel substrate on the fatigue propagation of a short edge crack. Frattura ed Integrita Strutturale 59 (2022) 514-524

Seitl S., Benešová A., Blasón Gonzáles S., Miarka P., Klusák J., Bílek V.: Advanced statistical evaluation of fatigue data obtained during the measurement of concrete mixtures with various water-cement ratio. Engineering mechanics 2022 1 (2022) 361-364

Blasón Gonzáles S., Werner T., Kruse J., Madia M., Miarka P., Seitl S., Benedetti M.: Determination of fatigue crack growth in the near-threshold regime using small-scale specimens. Theor. Appl. Fract. Mech. 118 (2022) 103224

Miarka P., Seitl S., Bílek V., Cifuentes Bulte H.: Assessment of fatigue resistance of concrete: S-N curves to the Paris law curves. Construction and Building Materials 341 (2022) 127811

Juhászová T., Miarka P., Jindra D., Kala Z., Seitl S.: Comparison of crack propagation rates in selected structural components made from AISI 304 grades: Three-point bending test. Procedia Struct. Integr. 42 (2022) 1090-1097


2021

Malíková (Šestáková) L., Doubek P., Miarka P., Seitl S.: Crack behaviour at the interface of a surface layer applied ona steel substrate by laser cladding. IOP Conference Series: Materials Science and Engineering 1209 (2021) 12049

Malíková (Šestáková) L., Miarka P., Doubek P., Seitl S.: Influence of the bi-material interface on the crack propagation through a thin protective layer. Procedia Struct. Integr. 33 (2021) 605-612

Malíková (Šestáková) L., Miarka P., Kucharczyková B., Šimonová H.: Williams expansion utilized for assessment of crack behaviour under mixed-mode loading in alkali-activated fine-grained composite. Fatigue Fract. Eng. Mater. Struct. 44 (2021) 1151-1161

Fernandéz G., Miarka P., Seitl S.: Influence of thickness on the values of stress intensity factor in compact tension specimen. Trans. VSB TU Ostrava Ser. 2021 (2021) 54-59

Braet L., Juhászová T., Jindra D., Miarka P., Seitl S.: Finding the optimal stress state of a stainless-steel IPE profile for fatigue experiments. Procedia Struct. Integr. 33 (2021) 1065-1072

Seitl S., Andrade Lizarro J., Miarka P.: Mixed Mode I/II Fracture Resistance of Various Civil Engineering Materials by Selected Criteria. Procedia Struct. Integr. 33 (2021) 312-319

Juhászová T., Malíková (Šestáková) L., Doubek P., Miarka P., Seitl S.: Fatigue behaviour of a short crack in a thin protective layer laser-cladded on a steel substrate. Trans. VSB TU Ostrava Ser. 21 (2021) 25-28

Juhászová T., Miarka P., Seitl S.: Non-traditional geometry for wedge-splitting test. Trans. VSB TU Ostrava Ser. 21 (2021) 1-5


2020

Miarka P., Cruces A., Seitl S., Malíková (Šestáková) L., Lopez-Crespo P.: Evaluation of the SIF and T-stress values of the Brazilian disc with a central notch by hybrid method . Int. J. Fatigue 135 (2020) 105562

Malíková (Šestáková) L., Miarka P., Šimonová H.: Mixed-mode crack propagation in a semi-circular disc under bending made of an environmental-friendly concrete. Procedia Struct. Integr. 28 (2020) 403-410

Malíková (Šestáková) L., Miarka P., Šimonová H.: Utilization of Williams power series for etimation of crack behavior under mixed-mode loading. Key Eng. Mater. 827 (2020) 203-208

Seitl S., Miarka P., Rozsypalová I., Pokorná K., Keršner Z., Katzer J., Zarzycki P.: Mechanical fracture properties of concrete with lunar aggregate simulant. MATEC Web Conf. 323 (2020) 01014

Miarka P., Cruces A., Seitl S., Malíková (Šestáková) L., Lopez-Crespo P.: Influence of the constraint effect on the fatigue crack growth rate in S355 J2 steel using digital image correlation. Fatigue Fract. Eng. Mater. Struct. 43 (2020) 1703-1718

Seitl S., Pokorný P., Miarka P., Klusák J., Kala Z., Kunz L.: Comparison of fatigue crack propagation behaviour in two steel grades S235, S355 and a steel from old crane way. MATEC Web Conf. 310 (2020) 34

Malíková (Šestáková) L., Miarka P., Šimonová H.: Crack deflection under mixed-mode loading investigated via generalized MTS criterion. AIP Conference Proceedings 2309 (2020) 0034664

Malíková (Šestáková) L., Miarka P., Šimonová H.: Propagation conditions of an eccentric crack in a semi-circular disc loaded in I+II mixed mode. MATEC Web Conf. 310 (2020) 00017

Miarka P., Seitl S., Horňáková M., Lehner P., Konečný P., Sucharda O., Bílek V.: Influence of chlorides on the fracture toughness and fracture resistance under the mixed mode I/II of high-performance concrete . Theor. Appl. Fract. Mech. 110 (2020) 102812

Miarka P., Pan L., Bílek V., Seitl S., Cifuentes Bulte H.: Influence of the chevron notch type on the values of fracture energy evaluated on alkali-activated concrete. Eng. Fract. Mech. 236 (2020) 107209

Seitl S., Miarka P., Bílek V.: Fatigue and fracture mechanical properties of selected concrete for subtle precast structural elements. MATEC Web Conf. 310 (2020) 33


2019

Seitl S., Miarka P., Pokorný P., Fintová S., Kunz L.: COMPARISON OF MECHANICAL PROPERTIES OF OLD STEEL FROM TRUSS CRANE RUNWAY WITH S235 AND S355 GRADES. Trans. VSB TU Ostrava Ser. 19 (2019) 56-60

Seitl S., Miarka P., Pokorný P., Klusák J.: Influence of corrosion on fatigue behaviour of old crane runway steel. J. Strain Anal. for Engin. Design 54 (2019) 416-423

Miarka P., Seitl S., Bílek V.: Mixed-mode fracture analysis in high-performance concrete using a Brazilian disc test. Mater. Technol. 53 (2019) 233-238

Malíková (Šestáková) L., Miarka P., Šimonová H.: Crack propagation in mixed-mode specimens described via multi-parameter fracture mechanics. IOP Conf. Ser.: Mater. Sci. Eng. 629 (2019) 012013

Seitl S., Růžička V., Miarka P., Sobek J.: ANALYSIS OF VARIOUS CHEVRON NOTCH TYPES AND ITS INFLUENCE ON THE LIGAMENT AREA. Trans. VSB TU Ostrava Ser. 19 (2019) 28-34

Seitl S., Miarka P., Růžička V., Malíková (Šestáková) L., Cruces A., Lopez-Crespo P.: Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels. Frattura ed Integrita Strutturale 49 (2019) 97-106

Miarka P., Seitl S., De Corte W.: Notch tip displacements of the concrete Brazilian disc test with central notch analysed by the concrete damaged plasticity model. Theor. Appl. Fract. Mech. 102 (2019) 122-150

Seitl S., Miarka P., Šimonová H., Frantík P., Keršner Z., Domski J., Katzer J.: Change of Fatigue and Mechanical Fracture Properties of a Cement Composite due to Partial Replacement of Aggregate by Red Ceramic Waste. Periodica Polytechnica-Civil Engineering 63 (2019) 152-159

Malíková (Šestáková) L., Šimonová H., Kucharczyková B., Miarka P.: Multi-parameter fracture mechanics: crack path in a mixed-mode specimen. Frattura ed Integrita Strutturale 49 (2019) 65-73


2018

Seitl S., Miarka P., Pokorný P., Fintová S., Klusák J.: Influence of Micro-Structure on the Fatigue Crack Propagation in Bridge Steel. Proceedings 2 (2018) 1-6

Seitl S., Miarka P., Klusák J., Kala Z., Krejsa M., Blasón Gonzáles S., Canteli A.: Evaluation of fatigue properties of S355 J0 steel using ProFatigue and ProPagation software. Procedia Struct. Integr. 13 (2018) 1494-1501

Seitl S., Miarka P., Merta I., Keršner Z.: Numerical Stress Analysis of the Biaxial Tension-Compression Wedge-Splitting Test in Vicinity of the Crack Tip. Key Eng. Mater. 784 (2018) 85-90

Seitl S., Miarka P., Bílek V.: The Mixed-Mode Fracture Resistance of C 50/60 and its Suitability for Use in Precast Elements as Determined by the Brazilian Disc Test and Three-Point Bending Specimens. Theor. Appl. Fract. Mech. 97 (2018) 108-119

Seitl S., Miarka P., Růžička V., Malíková (Šestáková) L., Merta I.: Wedge splitting test: displacement field analysis by multi-parameter fracture mechanics. Trans. VSB TU Ostrava Ser. 18 (2018) 50-55

Miarka P., Seitl S., Bílek V.: Comparison of Fracture Resistance of the Normal and High Strength Concrete Evaluated by Brazilian Disc Test. Proceedings 2 (2018) 1-6

Seitl S., Miarka P., Kala Z.: Geometry functions for edge cracks in steel bridge under three- and four- point bending with various span. Trans. VSB TU Ostrava Ser. 18 (2018) 44-49

Seitl S., Miarka P., Klusák J., Fintová S., Kunz L.: Comparison of the Fatigue Crack Propagation Rates in S355 J0 and S355 J2 Steel Grades. Key Eng. Mater. 784 (2018) 91-96


2017

Seitl S., Miarka P., Malíková (Šestáková) L., Krejsa M.: Comparison of calibration functions for short edge cracks under selected loads. Key Eng. Mater. 754 (2017) 353-356


Number of ProjectName
8J24AT001 Damage initiation of concrete with recycled aggregates - fracture properties and role of interface (DICRAgg)
CZ.02.01.01/00/22_008/0004631 Materials and technologies for sustainable development (MATUR)