Search results
- 1.0475320 - GLÚ 2018 RIV NL eng J - Journal Article
Lokajíček, Tomáš - Přikryl, R. - Šachlová, Š. - Kuchařová, A.
Acoustic emission monitoring of crack formation during alkali silica
reactivity accelerated mortar bar test.
Engineering Geology. Roč. 220, MAR 30 (2017), s. 175-182. ISSN 0013-7952. E-ISSN 1872-6917
R&D Projects: GA ČR(CZ) GAP104/12/0915
Institutional support: RVO:67985831
Keywords : Alkali-silica reaction * accelerated expansion test * ultrasonic sounding * acoustic emission * backscattered electron imaging
OECD category: Materials engineering
Impact factor: 3.100, year: 2017
Permanent Link: http://hdl.handle.net/11104/0272152 - 2.0473358 - GLÚ 2018 RIV DE eng J - Journal Article
Šachlová, Š. - Kuchařová, A. - Pertold, Z. - Přikryl, R. - Fridrichová, Michaela
Quantitative assessment of alkali silica reaction potential of quartz-rich aggregates: comparison of chemical test and accelerated mortar bar test improved by SEM-PIA.
Bulletin of Engineering Geology and the Environment. Roč. 76, č. 1 (2017), s. 133-144. ISSN 1435-9529. E-ISSN 1435-9537
R&D Projects: GA ČR(CZ) GAP104/12/0915
Institutional support: RVO:67985831
Keywords : accelerated mortar bar test * Alkali silica reaction * chemical test * electron microscopy * petrographic image analysis
OECD category: Environmental and geological engineering, geotechnics
Impact factor: 1.825, year: 2017
Permanent Link: http://hdl.handle.net/11104/0271965 - 3.0464894 - GLÚ 2017 RIV NL eng J - Journal Article
Lokajíček, Tomáš - Kuchařová, A. - Petružálek, Matěj - Šachlová, Š. - Svitek, Tomáš - Přikryl, R.
Semi-continuous ultrasonic sounding and changes of ultrasonic signal characteristics as a sensitive tool for the evaluation of ongoing microstructural changes of experimental mortar bars tested for their ASR potential.
Ultrasonics. Roč. 71, September (2016), s. 40-50. ISSN 0041-624X. E-ISSN 1874-9968
R&D Projects: GA ČR(CZ) GAP104/12/0915
Institutional support: RVO:67985831
Keywords : alkali-silica reaction * accelerated test * thermal heating * mortar bar * ultrasonic sounding
Subject RIV: DC - Siesmology, Volcanology, Earth Structure
Impact factor: 2.327, year: 2016
Permanent Link: http://hdl.handle.net/11104/0263640 - 4.0461533 - GLÚ 2017 RIV GB eng J - Journal Article
Vilhelm, J. - Ivankina, T. - Lokajíček, Tomáš - Rudajev, V.
Comparison of laboratory and field measurements of P and S wave velocities of a peridotite rock.
International Journal of Rock Mechanics and Mining Sciences. Roč. 88, October (2016), s. 235-241. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA MŠMT LH13102; GA ČR(CZ) GAP104/12/0915; GA ČR GA13-13967S
Institutional support: RVO:67985831
Keywords : elastic waves * peridotite rocks * seismic anisotropy * neutron diffraction * pulse-transmission technique
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 2.268, year: 2016
Permanent Link: http://hdl.handle.net/11104/0261155 - 5.0445717 - GLÚ 2016 RIV RU eng J - Journal Article
Zel, I. Yu. - Ivankina, T. I. - Levin, D.M. - Lokajíček, Tomáš
Application of a Modified Method of Ultrasonic Measurements for Determination of Elastic Moduli of Rocks.
Crystallography Reports. Roč. 60, č. 4 (2015), s. 591-599. ISSN 1063-7745. E-ISSN 1562-689X
R&D Projects: GA MŠMT LH13102; GA ČR(CZ) GAP104/12/0915; GA ČR GA13-13967S
Institutional support: RVO:67985831
Keywords : rocks * ultrasonic measurements
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 0.561, year: 2015
Permanent Link: http://hdl.handle.net/11104/0247779 - 6.0435076 - GLÚ 2016 RIV NL eng J - Journal Article
Lokajíček, Tomáš - Svitek, Tomáš
Laboratory measurement of elastic anisotropy on spherical rock samples by longitudinal and transverse sounding under confining pressure.
Ultrasonics. Roč. 56, February 2015 (2015), s. 294-302. ISSN 0041-624X. E-ISSN 1874-9968
R&D Projects: GA MŠMT LH13102; GA ČR GAP104/12/0915; GA ČR GA13-13967S
Institutional support: RVO:67985831
Keywords : elastic anisotropy * hydrostatic pressure * ultrasonic sounding * high pressure * longitudinal and shear waves
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 1.954, year: 2015
Permanent Link: http://hdl.handle.net/11104/0239672 - 7.0433696 - GLÚ 2015 RIV GB eng J - Journal Article
Svitek, Tomáš - Vavryčuk, Václav - Lokajíček, Tomáš - Petružálek, Matěj
Determination of elastic anisotropy of rocks from P- and S-wave velocities: numerical modelling and lab measurements.
Geophysical Journal International. Roč. 199, č. 3 (2014), s. 1682-1697. ISSN 0956-540X. E-ISSN 1365-246X
R&D Projects: GA MŠMT LH13102; GA ČR(CZ) GAP104/12/0915; GA ČR(CZ) GAP210/12/1491; GA ČR GA13-13967S
Institutional support: RVO:67985831 ; RVO:67985530
Keywords : geomechanics * microstructures * body waves * seismic anisotropy * wave propagation
Subject RIV: DC - Siesmology, Volcanology, Earth Structure
Impact factor: 2.560, year: 2014
Permanent Link: http://hdl.handle.net/11104/0237862 - 8.0429000 - GLÚ 2015 RIV NL eng J - Journal Article
Lokajíček, Tomáš - Kern, H. - Svitek, Tomáš - Ivankina, T.
3D velocity distribution of P- and S-waves in a biotite gneiss, measured in oil as the pressure medium: Comparison with velocity measurements in a multi-anvil pressure apparatus and with texture-based calculated data.
Physics of the Earth and Planetary Interiors. Roč. 231, June (2014), s. 1-15. ISSN 0031-9201. E-ISSN 1872-7395
R&D Projects: GA MŠMT LH13102; GA ČR(CZ) GAP104/12/0915; GA ČR GA13-13967S
Institutional support: RVO:67985831
Keywords : 3D-velocity calculation * measured and calculated elastic properties * neutron diffraction * seismic anisotropy * velocity measurements
Subject RIV: DC - Siesmology, Volcanology, Earth Structure
Impact factor: 2.895, year: 2014
Permanent Link: http://hdl.handle.net/11104/0234209 - 9.0390540 - GLÚ 2014 RIV GB eng J - Journal Article
Petružálek, Matěj - Vilhelm, J. - Rudajev, Vladimír - Lokajíček, Tomáš - Svitek, Tomáš
Determination of the anisotropy of elastic waves monitored by a sparse sensor network.
International Journal of Rock Mechanics and Mining Sciences. Roč. 60, June (2013), s. 208-216. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA ČR(CZ) GAP104/12/0915
Institutional support: RVO:67985831
Keywords : acoustic emission * anisotropy * seismic velocity * ultrasonic transmission * velocity ellipsoid
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 1.424, year: 2013
Permanent Link: http://hdl.handle.net/11104/0219419 - 10.0382046 - GLÚ 2013 RIV GB eng J - Journal Article
Lokajíček, Tomáš - Goel, R. K. - Rudajev, Vladimír - Dwivedi, R.D.
Assessment of velocity anisotropy in rocks.
International Journal of Rock Mechanics and Mining Sciences. Roč. 57, January (2013), s. 142-152. ISSN 1365-1609. E-ISSN 1873-4545
R&D Projects: GA ČR(CZ) GA205/08/0676; GA AV ČR IAA300130906; GA ČR(CZ) GAP104/12/0915
Institutional research plan: CEZ:AV0Z30130516
Keywords : elastic anisotropy * acoustic emission * uniaxial loading * hydrostatic loading
Subject RIV: DB - Geology ; Mineralogy
Impact factor: 1.424, year: 2013
Permanent Link: http://hdl.handle.net/11104/0212387