Contact

DEPARTMENT OF MECHANICAL DEVICES TESTING AND ROCKS

Plac Gwarków 1, 40-166 Katowice, Poland

 

Head of Department

dr inż. Andrzej Pytlik
e-mail: apytlik@gig.eu
telefon: 32 259 22 24

 

 

 

LABORATORY OF ROPES AND SHAFT EQUIPMENT

Head

dr inż. Mariusz Szot
e-mail: mszot@gig.eu
telefon: 32 259 27 59

 

 

 

LABORATORY OF MECHANICAL DEVICES TESTING

Head

dr inż. Krzysztof Pacześniowski
e-mail: kpaczesniowski@gig.eu
telefon: 32 259 21 68

 

 

 

LABORATORY OF MINING GEOMECHANICS

Head

prof. dr hab. Mirosława Bukowska
e-mail: mbukowska@gig.eu
telefon: 32 259 23 26

 

 

  • testing of steel ropes, and new rope solutions;
  • rope selection;
  • research on the control and certification examinations of construction elements of transport equipment including mining link chains;
  • certification testing of construction elements and the
  • power equipment in accordance with the standard PN-EN 61284 and of wires, CEI IEC 62219:2002, PN-IEC 1089:1994, PN-EN 50182:2002, IEC 62420:2008, PN-EN 60889,:2002, PN-EN 50189:2002, PN-EN 60889:2002, PN-EN 50183:2002;
  • geometric measurements of excavation shafts and constructions using laser scanning;
  • tests of cable railways.

 

  • station tests of door-frames of roadway supports;
  • examination of the accessories of roadway supports (shackles, struts, welded nets, cladding, support footings, etc.);
  • tests of stands and hydraulic servomotor (statics and dynamics);
  • testing of friction prop;
  • tests of valves and valve blocks;
  • tests of roof-bars and bases;
  • tests of high pressure, hydraulic wires and hoses;
  • tests of idlers;
  • tests of large-diameter pipes made of any material (tightness of connection, peripheral stiffness);
  • strength tests of elastomeric bearings (test of the non-dilatational deformation module, shear adhesion test and compression test);
  • testing of structural components at dynamic loads (rail buffers, chains, etc.).

 

Rock and rock mass tendency to burst as well as the mine workings’ burst hazard assessment using geo-mechanical and geological criteria:
  • testing and assessment of the burst tendency of coal and gangue;
  • assessment of rock mass inclination for bursting, considering geo-mechanical rock properties and Energy properties as well as the scale effect by using the rock mass bursting tendency index, WTG, the rock mass kinetic energy index WEk and the Geological Strength Index (GSI);
  • assessment of the tendency of multi-layered carboniferous rock mass to bursting, through the application of a geological- geochemical system of the method assessing the rock mass inclination for bursting GEO;
  • assessment of rock mass inclination for bursting in thE frontier areas of active mines, in which the excavations are threatened by rock bursts, and of liquidated mines, by flooding due to secondary rock mass watering in active mines as a result of conducting this process;
  • assessment of the impact of rock mass structural defects and the impact of rock mass destruction caused by mining operation on the geo-mechanical properties of carboniferous rocks and on the inclination of the rock mass for bursting;
  • ad hoc consultations on the issues of rock and rock mass inclinations for bursting.

Physical and technological properties of rock and rock mass:

  • laboratory tests of geo-mechanical properties, including the properties of surrounding minerals and rock resources under different stress conditions and humidity, states, different deformation and loading velocities, as well as tests of selected physical and technological parameters;
  • studies of rock deformability in a complex stress state and studies of the deformation process of loaded rocks in a post- critical state;
  • studies of appropriate deformation energy in the proces of rock destruction (loading);
  • in situ studies with a borehole penetrometer of strength parameters of rocks in drilling holes along with classifying the quality of the deck roof and the assessment of rocK mass fissuring;
  • testing and assessment of the stability of the caving ruble as the roof of the underground workings;
  • non-destructive testing of the strength of the rock mass using the rebound number method;
  • assessment of the quality of the rock mass, on the basis of the classification of geotechnical rock massifs;
  • geo-statistical analysis of the rock mass geo-mechanical parameters - development of the forecast of geo-mechanical parameters’ value distribution along with the estimation of its accuracy in the areas of the planned operation;
  • development of geological documentation of drilling holes for the purposes of mineral reconnaissance and obtaining by the entrepreneur the concession for its extraction;
  • preparing documentation within the scope of assessing the propensity of rocks and the rock mass for generating rock bursts, including rock burst hazard assessment in workings by means of geological and geomechanical criteria;
  • preparing documentation within the scope of assessing rock properties and rock mass quality for the purposes of planning and conducting mineral resource deposit extraction;
  • preparing documentation within the scope of assessing the properties and usability of building materials, post-mining waste, resins and bonding agents for the purposes of mining, geoengineering, building engineering and environmental protection;
  • preparing documentation within the scope of assessing the influence of temperature on the behaviour of rock under static and dynamic loads for the purposes of unconventional methods of mineral resource deposit extraction;
  • documenting the geological-engineering conditions for the purposes of the liquidation of mines;
  • evaluation of the behaviour of rocks at great depths and drawing conclusions for the purposes of designing the safe operation of various deposits of mineral resources;
  • assessment of the occurrence of natural hazards in the rock mass, these being mainly geo-mechanical and water hazards, especially in mines with operations near bodies ofwater created in gobs of liquidated mines;
  • interpretation of geological and geo-mechanical conditions within water hazard sources;
  • determination of the pillars of security and security zones, pillars of technology in the pillar-chambered system;
  • planning, in terms of the liquidation of mines, of the decommissioning process and the assessment of security in active mines related to the water from decommissioned mines;
  • assessment of the possibility of the occurrence of certain natural hazards in the limit zones of active mines in connection with the flooded excavations of the liquidated mines;
  • assessment of the possibility to apply the results of the laboratory tests on the changes of the properties of rocks under the influence of temperature to improve numerical models as tools to resolve the problems in mining and geoengineering practice, e.g. forecasting the behaviour of the rock mass as a result of the underground coal gasification process conducted in it.
Building materials, post-mining waste, resins and binding materials - testing and utility evaluation:
  • testing and utility evaluation of hard rocks, including post-mining waste, for the purposes of geoengineering, mining(liquidation of mining shafts) and construction (general,road, underground, hydro-technical);
  • strength test of concrete and concrete structures by the rebound number method;
  • testing and evaluation of permeability and frost resistance of concrete;
  • testing and evaluation of the quality of aggregates, crushed stone, slate, precast concrete flooring elements, ceramic products, organic and mineral-organic resins as well as mineral binders.
Temperature influence on the stress properties, elasticity and deformability of sedimentary rocks:
  • testing of high and low temperature impact on the behaviour of the rocks under static and dynamic load, in the total range of their deformation;
  • assessment of the quality of the rock treated with the temperature for unconventional methods of deposit extraction and geoengineering.

 

+ 48-32-259-2000