Szczegóły publikacji
Opis bibliograficzny
Evaluation of rock bolt support for Polish hard rock mines / Krzysztof SKRZYPKOWSKI // E3S Web of Conferences [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 2267-1242. — 2018 — vol. 35 art. no. 01006, s. 1–8. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://www.e3s-conferences.org/articles/e3sconf/pdf/2018/10/... [2018-04-03]. — Bibliogr. s. 8, Abstr. — Publikacja dostępna online od: 2018-03-23. — POL-VIET 2017 : scientific-research cooperation between Vietnam and Poland : Krakow, Poland, November 20-22, 2017
Autor
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 113114 |
|---|---|
| Data dodania do BaDAP | 2018-04-23 |
| DOI | 10.1051/e3sconf/20183501006 |
| Rok publikacji | 2018 |
| Typ publikacji | referat w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | E3S Web of Conferences |
Abstract
The article presents different types of rock bolt support used in Polish ore mining. Individual point resin and expansion rock bolt support were characterized. The roof classes for zinc and lead and copper ore mines were presented. Furthermore, in the article laboratory tests of point resin rock bolt support in a geometric scale of 1:1 with minimal fixing length of 0.6 m were made. Static testing of point resin rock bolt support were carried out on a laboratory test facility of Department of Underground Mining which simulate mine conditions for Polish ore and hard coal mining. Laboratory tests of point resin bolts were carried out, especially for the ZGH Bolesław, zinc and lead “Olkusz – Pomorzany” mine. The primary aim of the research was to check whether at the anchoring point length of 0.6 m by means of one and a half resin cartridge, the type bolt “Olkusz – 20A” is able to overcome the load.The second purpose of the study was to obtain load – displacement characteristic with determination of the elastic and plastic range of the bolt. For the best simulation of mine conditions the station steel cylinders with an external diameter of 0.1 m and a length of 0.6 m with a core of rock from the roof of the underground excavations were used.
