Search results
- 1.0573392 - ÚTAM 2024 RIV CZ cze J - Journal Article
Gajdoš, Lubomír - Šperl, Martin
Využití J integrálu pro predikci lomového tlaku potrubí s trhlinou.
[Using the J-integral for predicting the burst pressure for pipes with cracks.]
Plyn : odborný měsíčník pro plynárenství. Roč. 103, č. 2 (2023), s. 55-63. ISSN 0032-1761
R&D Projects: GA TA ČR(CZ) FW01010021
Grant - others:AV ČR(CZ) StrategieAV21/27
Program: StrategieAV
Institutional support: RVO:68378297
Keywords : pipelines * burst pressure * tests * J-integral * hydrogen
OECD category: Applied mechanics
Method of publishing: Limited access
https://www.cgoa.cz/casopis-plyn.archiv/show?casopisId=14
Permanent Link: https://hdl.handle.net/11104/0343853 - 2.0551801 - ÚTAM 2022 RIV CH eng J - Journal Article
Gajdoš, Lubomír - Šperl, Martin - Kec, J. - Crha, P.
The effect of heavy-duty vehicle crossings on the state of stress of buried pipelines.
Metals. Roč. 12, č. 1 (2022), č. článku 153. E-ISSN 2075-4701
R&D Projects: GA TA ČR(CZ) TE02000162
Institutional support: RVO:68378297
Keywords : pipe steel L360NE * gas pipeline * strains * through‐wall bending stresses * backfill loads
OECD category: Applied mechanics
Impact factor: 2.9, year: 2022
Method of publishing: Open access
https://doi.org/10.3390/met12010153
Permanent Link: http://hdl.handle.net/11104/0327026 - 3.0544490 - ÚTAM 2022 RIV CH eng J - Journal Article
Gajdoš, Lubomír - Šperl, Martin - Bayer, Jan - Kuželka, J.
Comparison of J integral assessments for cracked plates and pipes.
Materials. Roč. 14, č. 15 (2021), č. článku 4324. E-ISSN 1996-1944
R&D Projects: GA TA ČR(CZ) FW01010021
Institutional support: RVO:68378297
Keywords : crack * stress intensity factor * J integral * stress concentration * strain energy density * Ramberg–Osgood relation * linepipe steels X52 * X70
OECD category: Applied mechanics
Impact factor: 3.748, year: 2021
Method of publishing: Open access
https://doi.org/10.3390/ma14154324
Permanent Link: http://hdl.handle.net/11104/0321333 - 4.0525520 - ÚTAM 2021 RIV CZ cze J - Journal Article
Gajdoš, Lubomír - Šperl, Martin - Hračov, Stanislav - Crha, P.
Vliv přejezdů těžkých vozidel přes zakopané potrubí na jeho napjatost.
[Effect of heavy-duty vehicles riding over buried pipes on stress in the pipes.]
Plyn : odborný měsíčník pro plynárenství. Roč. 100, č. 2 (2020), s. 76-93. ISSN 0032-1761
R&D Projects: GA TA ČR(CZ) TE02000162
Institutional support: RVO:68378297
Keywords : strain gauge measurements * pipe stress * vehicle riding
OECD category: Applied mechanics
Method of publishing: Limited access
https://www.cgoa.cz/casopis-plyn.archiv/show?casopisId=2
Permanent Link: http://hdl.handle.net/11104/0309633 - 5.0524005 - ÚTAM 2021 RIV JP eng J - Journal Article
Gajdoš, Lubomír - Šperl, Martin
Fracture mechanics based analysis of the fatigue life of defective welded joints.
Materials Transactions. Roč. 61, č. 5 (2020), s. 926-934. ISSN 1345-9678. E-ISSN 1347-5320
R&D Projects: GA TA ČR(CZ) TE02000162
Institutional support: RVO:68378297
Keywords : welded structures * weld discontinuities * arc welding * carbon manganese steel * fatigue * stress intensity factor
OECD category: Applied mechanics
Impact factor: 1.389, year: 2020
Method of publishing: Open access
https://doi.org/10.2320/matertrans.MT-M2019258
Permanent Link: http://hdl.handle.net/11104/0308317 - 6.0489999 - ÚTAM 2019 RIV CZ cze J - Journal Article
Gajdoš, Lubomír - Šperl, Martin
Vliv technologie výroby na lomové vlastnosti ocelových trub.
[lmpact of manufacture on fracture properties of steel pipes.]
Plyn : odborný měsíčník pro plynárenství. Roč. 98, č. 2 (2018), s. 52-57. ISSN 0032-1761
R&D Projects: GA TA ČR(CZ) TE02000162
Keywords : steel pipes * load-deformation diagram * notch toughness * fracture toughness * Paris law * service life
OECD category: Audio engineering, reliability analysis
Permanent Link: http://hdl.handle.net/11104/0284296 - 7.0482444 - ÚTAM 2019 RIV US eng J - Journal Article
Gajdoš, Lubomír - Šperl, Martin - Pavelková, R.
Pressure behavior of a steel pipeline experiencing creep at normal temperatures.
Journal of Aerospace Engineering. Roč. 31, č. 3 (2018), č. článku 05018001. ISSN 0893-1321. E-ISSN 1943-5525
R&D Projects: GA TA ČR(CZ) TE02000162
Institutional support: RVO:68378297
Keywords : tightness test * pressure decrease * steel pipe * room temperature creep (RTC)
OECD category: Audio engineering, reliability analysis
Impact factor: 1.373, year: 2018
https://doi.org/10.1061/(ASCE)AS.1943-5525.0000846
Permanent Link: http://hdl.handle.net/11104/0283083 - 8.0482438 - ÚTAM 2019 RIV GB eng J - Journal Article
Minster, Jiří - Šperl, Martin - Šepitka, J.
Creep damage index as a sensitive indicator of damage accumulation in thermoplastic laminates.
Journal of Reinforced Plastics and Composites. Roč. 37, č. 3 (2018), s. 147-154. ISSN 0731-6844. E-ISSN 1530-7964
Institutional support: RVO:68378297
Keywords : damage accumulation * thermoplastic laminate * cyclic tensile loading * time-dependent properties * microindentation
OECD category: Audio engineering, reliability analysis
Impact factor: 1.786, year: 2018
https://doi.org/10.1177/0731684417735184
Permanent Link: http://hdl.handle.net/11104/0277924 - 9.0476612 - ÚTAM 2018 RIV GB eng J - Journal Article
Jandejsek, Ivan - Gajdoš, Lubomír - Šperl, Martin - Vavřík, Daniel
Analysis of standard fracture toughness test based on digital image correlation data.
Engineering Fracture Mechanics. Roč. 182, September (2017), s. 607-620. ISSN 0013-7944. E-ISSN 1873-7315
R&D Projects: GA ČR(CZ) GA15-07210S; GA TA ČR(CZ) TE02000162
Keywords : DIC * full-field measurement * J-integral * CTOD * ASTM standard
OECD category: Audio engineering, reliability analysis
Impact factor: 2.580, year: 2017
http://www.sciencedirect.com/science/article/pii/S0013794417305799
Permanent Link: http://hdl.handle.net/11104/0273079 - 10.0474031 - ÚTAM 2018 RIV CZ cze J - Journal Article
Gajdoš, Lubomír - Šperl, Martin - Hračov, Stanislav
Deformační chování zakopaného potrubí.
[Deformations in buried pipe.]
Plyn : odborný měsíčník pro plynárenství. Roč. 97, č. 1 (2017), s. 15-23. ISSN 0032-1761
R&D Projects: GA TA ČR(CZ) TE02000162
Institutional support: RVO:68378297
Keywords : buried pipe * strain gauge measurements * soil load * bending stress
OECD category: Mechanical engineering
Permanent Link: http://hdl.handle.net/11104/0271133