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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-dc0109f5-2b14-4e3d-8be1-04f26f57ec3c

Czasopismo

Studia Geotechnica et Mechanica

Tytuł artykułu

The concept of modification and analysis of the strength of steel roadway supports for coal mines in the Soma Basin in Turkey

Autorzy Grodzicki, M.  Rotkegel, M. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN The article presents a comparison of the roadway supports currently used in mines in the Soma basin in Turkey with new one proposed by Huta Łabędy and Central Mining Institute (GIG) in terms of resistance parameters and work in conditions of specific loads. The strength analysis of the frame was carried out using the finite element method, using the COSMOS/M program, based on the methodology developed and applied in GIG. The frame models were built corresponding to their geometry and cross-sectional parameters of the sections used. Beam elements (BEAM3D) were used for building models, which were given cross-sectional parameters of the V36 section. This resulted in three frame models that were loaded in three ways (three load variants). The first option included roof load, acting on the roof bar in a uniform manner, at a length of about 3.0 m. In the second variant, the same load was adopted but the resistance of the side wall was omitted. However, in the third variant, the same roof load was assumed in addition to a side load, acting on the sliding arch, at a length of about 3.0 m, a value corresponding to half the load of the roof. As a result of the calculations carried out, the distribution of reduced stresses in the analysed frames and the maximum load values were obtained. The proposed roadway supports retain the functionality of the previously used frames in terms of width, height, cross-sectional area of the suport and the number of elements. They are characterised by the same weight and at the same time, they have up to 24% more load capacity because of the replacement of straight sections of curved side sections. This treatment was possible by forming individual elements of the arch with two bending radii. The additional load increase was obtained by using S550W steel.
Słowa kluczowe
EN projects   roadway support   strength analysis  
Wydawca Oficyna Wydawnicza Politechniki Wrocławskiej
Czasopismo Studia Geotechnica et Mechanica
Rocznik 2018
Tom Vol. 40, nr 1
Strony 38--45
Opis fizyczny Bibliogr. 11 poz., rys., tab.
Twórcy
autor Grodzicki, M.
  • Huta Łabędy S.A.
autor Rotkegel, M.
Bibliografia
[1] Alehossein H., Poulsen B.A., Stress analysis of longwall top coal caving. International Journal of Rock Mechanics & Mining Science 47, 2010, 30-41.
[2] Biliński A., Metoda doboru obudowy ścianowych wyrobisk wybierkowych i chodnikowych do warunków pola eksploatacyjnego. Prace naukowe – Monografie CMG KOMAG. Gliwice 2005, 1-109.
[3] Brodny J., Determining the working characteristic of a friction joint in a yielding support. Archives of Mining Sciences, Vol. 55 (2010), No 4, p. 733-746.
[4] Brodny J., Tests of friction joints in mining yielding supports under dynamic load. Archives of Mining Sciences, Vol. 56 (2011), No 2, p. 303-318.
[5] Brodny J., Analysis of operation of new construction of the frictional joint with the resistance wedge. Archives of Mining Sciences, Vol. 57 (2012), No 1, p. 209-227.
[6] Chmielewski T., Nowak H., Mechanika budowli. Metoda przemieszczeń. Metoda Crossa. Metoda elementów skończonych. Wydawnictwa Naukowo-Techniczne. Warszawa 1996, 1-209.
[7] Cook R.D., Malkus D.S., Plesha M.E., Witt R.J., Concepts and applications of finite element analysis. John Wiley & Sons, Inc. New York 2002.
[8] Majcherczyk T. + zespół: Sposoby i możliwości korzystania z katalogu rozwiązań obudowy dla rozcinek ścianowych (Materiały konferencyjne). Stowarzyszenie Inżynierów i Techników Górnictwa, Koło Zakładowe przy GIG, Ustroń, 1998, 1-26.
[9] Rakowski G., Kacprzyk Z., Metoda elementów skończonych w mechanice konstrukcji. Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa 1993, 1-457.
[10] Rusiński E., Metoda elementów skończonych. System COSMOS/M. Wydawnictwa Komunikacji i Łączności, Warszawa 1994, 1-376
[11] www.imbatmadencilik.com (07.12.2017).
Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-dc0109f5-2b14-4e3d-8be1-04f26f57ec3c
Identyfikatory
DOI 10.2478/sgem-2018-0006