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Terrestrial laser scanning in the construction of a numerical model geometry related to underground post-mining facility

Maciej Bodlak

Maciej Bodlak

University of Science and Technology, Faculty of Civil Engineering. Department of Geotechnology, Hydro Technology, and Under-ground and Hydro EngineeringPoland
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Bodlak, Maciej
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Jakub Izydorski

Jakub Izydorski

University of Science and Technology, Faculty of Civil Engineering. Department of Geotechnology, Hydro Technology, and Under-ground and Hydro EngineeringPoland
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Izydorski, Jakub
  
07 giu 2024
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Categoria dell'articolo: Original Study
Pubblicato online: 07 giu 2024
Pagine: 125 - 134
Ricevuto: 03 apr 2024
Accettato: 10 mag 2024
DOI: https://doi.org/10.2478/sgem-2024-0007
Parole chiave
© 2024 Maciej Bodlak et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Visualization of the entrance to the underground track “St. Johannes” Mine in Krobica (Kobylańska, 2012).
Visualization of the entrance to the underground track “St. Johannes” Mine in Krobica (Kobylańska, 2012).

Figure 2:

Location of the scanned 7.5-m fragment of the adit on the underground track “St. Johannes” Mine in Krobica. In the vicinity of the measurement site, there is a shaft connecting both adits (St. Leopold below and St John above).
Location of the scanned 7.5-m fragment of the adit on the underground track “St. Johannes” Mine in Krobica. In the vicinity of the measurement site, there is a shaft connecting both adits (St. Leopold below and St John above).

Figure 3:

Trimble TX8 laser scanner during measurements in the St. John adit.
Trimble TX8 laser scanner during measurements in the St. John adit.

Figure 4:

The intensity of the laser beam reflection in the adit (the black spot is a fragment of the sidewall closer than 60 cm from the scanner).
The intensity of the laser beam reflection in the adit (the black spot is a fragment of the sidewall closer than 60 cm from the scanner).

Figure 5:

“Point cloud” visualization of a fragment of the St. John adit, displayed by the value of the reflection intensity parameter.
“Point cloud” visualization of a fragment of the St. John adit, displayed by the value of the reflection intensity parameter.

Figure 6:

(a–c) Generating 2D cross sections from (a) “point cloud” in CloudCompare software and (d, e) dimensioning of a selected characteristic cross section.
(a–c) Generating 2D cross sections from (a) “point cloud” in CloudCompare software and (d, e) dimensioning of a selected characteristic cross section.

Figure 7:

(a, b) Creating the cross sectional geometry of the scanned fragment of the adit and (c, d) its discretization in FLAC 3D Itasca v.9.0 software, sketch option.
(a, b) Creating the cross sectional geometry of the scanned fragment of the adit and (c, d) its discretization in FLAC 3D Itasca v.9.0 software, sketch option.

Figure 8:

Geometry obtained for the quasi-3D numerical model of the underground excavation in the FLAC 3D Itasca v.9.0 program.
Geometry obtained for the quasi-3D numerical model of the underground excavation in the FLAC 3D Itasca v.9.0 program.
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Geoscienze, Geoscienze, altro, Scienze materiali, Compositi, Materiali porovati, Fisica, Meccanica e dinamica dei fluidi
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