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ASSUMPTIONS FOR THE PROPOSED METHOD OF MONITORING DEFORMATIONS IN WOODEN GRATING CASINGS IN THE CONDITIONS OF WIELICZKA SALT MINE

Marcin Szpak 1  
 
1
KGHM CUPRUM Ltd Research and Development Centre
Mining Science 2015;22(Special Issue 2):161–170
SŁOWA KLUCZOWE
STRESZCZENIE ARTYKUŁU
This article describes a measuring method used for monitoring deformations in wooden grating mining casings. It is intended, in particular, to determine the degree of deflection of load-bearing elements in relation to their original position. It was prepared especially to supplement the technical evaluation of wooden supporting casings in historic mines, underground sections of tourist routes, tunnels etc. The primary reason for the development of this problem were the designs prepared in recent years for large-scale grating constructions at Wieliczka Salt Mine and those for their reconstructions (strengthenings). The article describes the assumptions for the method proposed as well as the measurement system prepared. At Wieliczka Salt Mine two chambers with grating casings were selected and these were equipped with measuring devices. This paper presents the characteristics of these structures, the distribution of the devices installed and the course of the measuring process.
AUTOR DO KORESPONDENCJI
Marcin Szpak   
KGHM CUPRUM Ltd Research and Development Centre, Generała Władysława Sikorskiego 2-8, 53- 659 Wroclaw, Poland
 
REFERENCJE (5):
1. DUŻY S., 2013. Diagnostics and methods for evaluation of the technical condition of mine workings, part 2, Budownictwo Górnicze i Tunelowe No. 1/2013, pp. 31-40 (in Polish).
2. INMAN D. et al., 2005. Damage Prognosis for Aerospace, Civil and Mechanical Systems, Published by Wiley.
3. SZCZAP J. et al., 2003, Projekt techniczny zabezpieczenia komory Gołuchowski [Technical design for protection of Gołuchowski chamber], unpublished work, KGHM Cuprum, Wrocław 2003 (in Polish).
4. SZPAK M. 2013. Typology and characteristics of wooden mining casings used in historic sidewalk and chamber mine workings in the conditions of Wieliczka salt mine, materials from the Conference of Doctoral Students and Young Scientists, Szklarska Poręba 2013 (in Polish).
5. SZPAK M. 2014. Identification of the most important geological and engineering aspects in the design and evaluation of the technical condition of wooden grating mining casings, materials from the Conference of Doctoral Students and Young Scientists, Szklarska Poręba 2014 (in Polish).
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ISSN:2300-9586