Search results
- 1.0579238 - GLÚ 2025 RIV DE eng J - Journal Article
Petružálek, Matěj - Jechumtálová, Zuzana - Lokajíček, Tomáš - Kolář, Petr - Šílený, Jan
Micro‑Fracturing in Granitic Rocks During Uniaxial Loading: The Role of Grain Size Heterogeneity.
Rock Mechanics and Rock Engineering. Roč. 57, č. 3 (2024), s. 1963-1981. ISSN 0723-2632. E-ISSN 1434-453X
R&D Projects: GA ČR(CZ) GA21-26542S; GA ČR(CZ) GA22-00580S
Institutional support: RVO:67985831 ; RVO:67985530
Keywords : Uniaxial compressive test * Fracturing * Grain size heterogeneity * Acoustic emission * Source mechanism * Granite
OECD category: Environmental and geological engineering, geotechnics; Environmental and geological engineering, geotechnics (GFU-E)
Impact factor: 6.2, year: 2022
Method of publishing: Limited access
https://doi.org/10.1007/s00603-023-03668-7
Permanent Link: https://hdl.handle.net/11104/0352375 - 2.0578344 - GLÚ 2024 RIV GB eng J - Journal Article
Vavryčuk, Václav - Petružálek, Matěj - Lokajíček, Tomáš - Aminzadeh, Ali
Bi-modular properties of sandstone inferred from seismic moment tensors of acoustic emissions.
International Journal of Rock Mechanics and Mining Sciences. Roč. 171, November (2023), č. článku 105576. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA ČR(CZ) GA22-00580S
Institutional support: RVO:67985831
Keywords : Acoustic emissions * Tensile cracks * Rock * Auxetic behaviour * Fracturing * Rock bi-modularity
OECD category: Environmental and geological engineering, geotechnics
Impact factor: 7.2, year: 2022
Method of publishing: Open access
https://www.sciencedirect.com/science/article/pii/S1365160923002502?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0347353 - 3.0578337 - GLÚ 2024 RIV GB eng J - Journal Article
Petružálek, Matěj - Lokajíček, Tomáš - Přikryl, R. - Vavryčuk, Václav
Velocity anisotropy measured on the spherical specimens: History and applications.
Journal of Geodynamics. Roč. 158, December (2023), č. článku 102002. ISSN 0264-3707
R&D Projects: GA ČR(CZ) GA21-26542S; GA ČR(CZ) GA22-00580S
Institutional support: RVO:67985831
Keywords : Ultrasonic velocity anisotropy * Attenuation * Stiffness tensor * Pressure loading * Fabric * Microcrack alignment * Up to 6
OECD category: Environmental and geological engineering, geotechnics
Impact factor: 2.3, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S026437072300042X?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0348242 - 4.0576136 - GLÚ 2024 RIV GB eng J - Journal Article
Lokajíček, Tomáš - Přikryl, R. - Aminzadeh, Ali - Svitek, Tomáš - Petružálek, Matěj
3-D velocity distribution of amphibolites collected from various crustal depths.
Journal of Geodynamics. Roč. 158, December (2023), č. článku 102000. ISSN 0264-3707
R&D Projects: GA ČR(CZ) GA22-00580S; GA ČR(CZ) GA21-26542S
Institutional support: RVO:67985831
Keywords : Amphibolites * Elastic properties * P-wave velocity * Elastic anisotropy * Stress memory * Confining pressure measurement
OECD category: Geology
Impact factor: 2.3, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0264370723000406?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0349069 - 5.0561120 - GLÚ 2023 RIV GB eng J - Journal Article
Aminzadeh, Ali - Petružálek, Matěj - Vavryčuk, Václav - Ivankina, T. I. - Svitek, Tomáš - Petrlíková, Alice - Staš, Lubomír - Lokajíček, Tomáš
Identification of higher symmetry in triclinic stiffness tensor: Application to high pressure dependence of elastic anisotropy in deep underground structures.
International Journal of Rock Mechanics and Mining Sciences. Roč. 158, October (2022), č. článku 105168. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA MŠMT(CZ) LO1406; GA ČR(CZ) GA22-00580S
Institutional support: RVO:67985831 ; RVO:68145535
Keywords : Ultrasonic sounding * Dynamic elastic constants * Transverse isotropy * Orthorhombic/orthotropic symmetry * P waves * S waves
OECD category: Environmental and geological engineering, geotechnics; Mining and mineral processing (UGN-S)
Impact factor: 7.2, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S1365160922001344?via%3Dihub
Permanent Link: https://hdl.handle.net/11104/0333987 - 6.0555174 - GLÚ 2022 RIV US eng J - Journal Article
Lokajíček, Tomáš - Vasin, R. - Svitek, Tomáš - Petružálek, Matěj - Kotrlý, M. - Turková, I. - Onysko, R. - Wenk, H.-R.
Intrinsic Elastic Anisotropy of Westerly Granite Observed by Ultrasound Measurements, Microstructural Investigations, and Neutron Diffraction.
Journal of Geophysical Research-Solid Earth. Roč. 126, č. 1 (2021), č. článku e2020JB020878. ISSN 2169-9313. E-ISSN 2169-9356
Institutional support: RVO:67985831
Keywords : Elastic anisotropy * Microstructural analysis * Neutron diffraction * Ultrasonic sounding * Westerly granite
OECD category: 1.7 Other natural sciences
Impact factor: 4.390, year: 2021
Method of publishing: Limited access
https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2020JB020878
Permanent Link: http://hdl.handle.net/11104/0329885 - 7.0550773 - GLÚ 2022 RIV DE eng J - Journal Article
Lokajíček, Tomáš - Petružálek, Matěj - Svitek, Tomáš - Kuchařová, A. - Šachlová, Š. - Přikryl, R.
Dynamic elastic properties of hardened experimental mortar bars affected by accelerated alkali–silica reactivity test: a laboratory approach.
Bulletin of Engineering Geology and the Environment. Roč. 80, č. 12 (2021), s. 8921-8933. ISSN 1435-9529. E-ISSN 1435-9537
R&D Projects: GA ČR(CZ) GA18-08826S
Institutional support: RVO:67985831
Keywords : Alkali silica reactivity * Laboratory experiments * Dynamic elastic properties
OECD category: Civil engineering
Impact factor: 4.130, year: 2021
Method of publishing: Limited access
https://link.springer.com/article/10.1007%2Fs10064-021-02251-0
Permanent Link: http://hdl.handle.net/11104/0327508 - 8.0550771 - GLÚ 2022 RIV DE eng J - Journal Article
Keppler, R. - Vasin, R. - Stipp, M. - Lokajíček, Tomáš - Petružálek, Matěj - Froitzheim, N.
Elastic anisotropies of deformed upper crustal rocks in the Alps.
Solid Earth. Roč. 12, č. 10 (2021), s. 2303-2326. ISSN 1869-9510. E-ISSN 1869-9529
R&D Projects: GA ČR(CZ) GA18-08826S; GA ČR(CZ) GA21-26542S
Institutional support: RVO:67985831
Keywords : Elastic anisotropy * neutron diffraction * ultrasonic sounding * natural rocks
OECD category: Environmental and geological engineering, geotechnics
Impact factor: 3.923, year: 2021
Method of publishing: Open access
https://se.copernicus.org/articles/12/2303/2021/
Permanent Link: http://hdl.handle.net/11104/0327509 - 9.0549647 - GLÚ 2022 RIV NL eng J - Journal Article
Zel, I. Yu. - Petružálek, Matěj - Lokajíček, Tomáš - Ivankina, T. I. - Kichanov, S.E. - Kozlenko, D. P. - Porosnicu, I. - Schnabl, Petr - Pruner, Petr - Duliu, O. G.
Assessment of structural, magnetic, and P-wave velocity anisotropy of two biotite gneisses from X-ray and neutron tomography.
Tectonophysics. Roč. 812, August (2021), č. článku 228925. ISSN 0040-1951. E-ISSN 1879-3266
R&D Projects: GA ČR(CZ) GA18-08826S
Institutional support: RVO:67985831
Keywords : Biotite gneiss * Anisotropy * X-ray tomography * Neutron tomography * Grain shape * Texture
OECD category: Geology
Impact factor: 3.660, year: 2021
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S0040195121002079?via%3Dihub
Permanent Link: http://hdl.handle.net/11104/0325646 - 10.0534580 - GLÚ 2021 RIV CZ eng J - Journal Article
Zel, I. Yu. - Petružálek, Matěj - Kichanov, S.E. - Nazarov, K. M. - Lokajíček, Tomáš - Kozlenko, D. P. - Turková, I. - Kotrlý, M. - Onysko, R.
Contribution of neutron tomography to 3D heterogeneity analysis of granitic rocks.
Acta geodynamica et geomaterialia. Roč. 17, č. 3 (2020), s. 259-267. ISSN 1214-9705. E-ISSN 2336-4351
R&D Projects: GA ČR(CZ) GA18-08826S
Institutional support: RVO:67985831
Keywords : Neutron tomography * mica spatial distribution * granite * heterogeneity * anisotropy * Bohemian Massif
OECD category: Environmental and geological engineering, geotechnics
Impact factor: 1.176, year: 2020
Method of publishing: Open access
https://www.irsm.cas.cz/materialy/acta_content/2020_doi/Zel_AGG_2020_0019.pdf
Permanent Link: http://hdl.handle.net/11104/0312948