Identification of rock bolt length in situ conditions
A rock bolt which is grouted into the rock strata may not be installed according to the assumed project. It concerns also cases where due to practical reasons it is impossible to drill a hole with a sufficient deepness. The consequence of that is that it is necessary to cut the rock bolt accordingly...
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| Format: | Article |
| Language: | English |
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Polskie Towarzystwo Diagnostyki Technicznej
2021-04-01
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| Series: | Diagnostyka |
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| Online Access: | http://www.diagnostyka.net.pl/Identification-of-rock-bolt-length-in-situ-conditions,135850,0,2.html |
| _version_ | 1811332992741670912 |
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| author | Andrzej Czesław Staniek |
| author_facet | Andrzej Czesław Staniek |
| author_sort | Andrzej Czesław Staniek |
| collection | DOAJ |
| description | A rock bolt which is grouted into the rock strata may not be installed according to the assumed project. It concerns also cases where due to practical reasons it is impossible to drill a hole with a sufficient deepness. The consequence of that is that it is necessary to cut the rock bolt accordingly. Another case is where the rock bolt is damaged, cut or bent. Than it is desirable to check the quality of supporting elements – installed rock bolts and the length of insertion. In proposed paper an outline of a method for measurement of rock bolt length is presented. The method uses ultrasonic transducers and is based on a pulse emission of an impulse wave. As ultrasonic transducer works both as an emitter and receiver, the reflected wave is measured and the length of the object or the position of a crack or damage may be diagnosed. |
| first_indexed | 2024-04-13T16:45:22Z |
| format | Article |
| id | doaj.art-35f5cb21189f4540a47e88297819b499 |
| institution | Directory Open Access Journal |
| issn | 2449-5220 |
| language | English |
| last_indexed | 2024-04-13T16:45:22Z |
| publishDate | 2021-04-01 |
| publisher | Polskie Towarzystwo Diagnostyki Technicznej |
| record_format | Article |
| series | Diagnostyka |
| spelling | doaj.art-35f5cb21189f4540a47e88297819b4992022-12-22T02:39:05ZengPolskie Towarzystwo Diagnostyki TechnicznejDiagnostyka2449-52202021-04-01222677310.29354/diag/135850135850Identification of rock bolt length in situ conditionsAndrzej Czesław Staniek0Central Mining InstituteA rock bolt which is grouted into the rock strata may not be installed according to the assumed project. It concerns also cases where due to practical reasons it is impossible to drill a hole with a sufficient deepness. The consequence of that is that it is necessary to cut the rock bolt accordingly. Another case is where the rock bolt is damaged, cut or bent. Than it is desirable to check the quality of supporting elements – installed rock bolts and the length of insertion. In proposed paper an outline of a method for measurement of rock bolt length is presented. The method uses ultrasonic transducers and is based on a pulse emission of an impulse wave. As ultrasonic transducer works both as an emitter and receiver, the reflected wave is measured and the length of the object or the position of a crack or damage may be diagnosed.http://www.diagnostyka.net.pl/Identification-of-rock-bolt-length-in-situ-conditions,135850,0,2.htmldiagnosisminerockboltsupport systemultasonic transducer |
| spellingShingle | Andrzej Czesław Staniek Identification of rock bolt length in situ conditions Diagnostyka diagnosis mine rockbolt support system ultasonic transducer |
| title | Identification of rock bolt length in situ conditions |
| title_full | Identification of rock bolt length in situ conditions |
| title_fullStr | Identification of rock bolt length in situ conditions |
| title_full_unstemmed | Identification of rock bolt length in situ conditions |
| title_short | Identification of rock bolt length in situ conditions |
| title_sort | identification of rock bolt length in situ conditions |
| topic | diagnosis mine rockbolt support system ultasonic transducer |
| url | http://www.diagnostyka.net.pl/Identification-of-rock-bolt-length-in-situ-conditions,135850,0,2.html |
| work_keys_str_mv | AT andrzejczesławstaniek identificationofrockboltlengthinsituconditions |