Directions for enhancing effectiveness of preparatory workings with special regard to independent rock bolt support
JUNE 30, 2017.
LOCALIZATION: Budryk Mine – training hall
TITLE: Directions for enhancing effectiveness of preparatory workings with special regard to independent rock bolt support. Stability of longwall and gateroad excavations as a key to effective hard coal mining in Poland.
Coordinator from Budryk Mine: J.Rutkowski ([email protected]Budryk.jsw.pl, +48 32 769 8510)
SESSION STARTS AT 10:00 AM
Presentations (time of each presentation 15 minutes)
Session chairman:
Prof. dr. hab. inż. Stanisław Prusek, Central Mining Instiute (GIG)
| 10:00 | 10:15 | Dr inż. Adam Mirek, Zbigniew Rawicki, Tomasz Szostek (WUG) | Current state of legal requirements related to the application of a rock bolt support in Polish coal mines |
| 10:15 | 10:30 | Dr inż. Adam Mirek, Zbigniew Rawicki, Jerzy Migdał (WUG) | Independent rock bolt support and occupational safety in mines – case studies of „Anna” Mine and „Staszic” Mine |
| 10:30 | 10:40 | Dr inż. Andrzej Staniek, dr inż. Stanisław Rajwa (GIG) | Identification of rock bolts application discontinuities as a method for enhancing effective control of occupational safety in underground headings |
| 10:40 | 10:55 | Adrian Carley (Komatsu JOY) | Joy brand equipment for Development and Room & Pillar Systems |
| 10:55 | 11:05 | Dr inż. Wojciech Masny (GIG) | Application of rock bolts in conditions of dynamic load. |
| 11:05 | 11:15 | Dr inż. Łukasz Szot (GIG) | Modern trends in designing accessory for underground headings support. |
| 11:15 | 11:25 | Dr hab. inż. Zbigniew Rak (AGH) | Independent rock bolt support – chances of returning to Polish coal mines |
| 11:25 | 11:35 | Dr hab. inż. Piotr Małkowski (AGH) | History, current state and perspectives of application of independent rock bolt support in Polish coal mines |
| 11:35 | 11:45 | Dr hab. inż. Stanisław Duży (PŚl.) | Influence of rock mass properties variability on the effectiveness of rock bolting |
| 11:45 | 11:55 | W. Piecha, M. Skuza, A. Ciołek-Żelechowski (PGG KWK Staszic) | Driving of roadways in combined prop-rock bolt support in Murcki-Staszic Mine – POLSKA GRUPA GORNICZA KWK Staszic |
| 11:55 | 12:05 | A. Robakowski+Zespół (PGG KWK ROW | Experiences of ROW Mine in using independent rock bolt support - POLSKA GRUPA GORNICZA KWK ROW |
| 12:05 | 12:25 | Coffie break | |
| 12:25 | 12:35 | Dr inż. Sylwester Rajwa, prof. dr hab. inż. Stanisław Prusek (GIG), J. Szuścik, R. Gąska (PGG KWK Mysłowice-Wesoła) | Reasons for the losses of longwall stability. |
| 12:35 | 12:45 | Karol Bartodziej (FAMUR) | Monitoring of the hydraulic legs pressure in longwall support as an utility for enhancing longwall roof stability and crews safety. |
| 12:45 | 13:00 | Dr inż. Andrzej Walentek (GIG) | Utilization of gateroads convergence forecast in optimization of support and reinforcement method selection. |
| 13:00 | 13:10 | Dr inż. Marek Rotkegel (GIG) | Special-purpose support designed in GIG – previous solutions and perspectives. |
| 13:10 | 13:20 | Rajmund Horst, Adam Rozmus, Krzysztof Krasucki (KWK Piast-Ziemowit) | Liquidation of roof falls results in longwalls driven in conditions of geological disturbances and solutions for enhancing stability of underground headings in Piast-Ziemowit Mine |
| 13:20 | 13:30 | Prof. dr hab. inż. Stanisław Prusek, mgr inż. Aleksander Wrana, dr inż. Zbigniew Lubosik (GIG) | Selected research works related to enhancing mining excavations stability realized as international projects with GIG contribution |
| 13:30 | 13:40 | Prof. dr hab. inż. Stanisław Prusek, mgr inż. Aleksander Wrana, dr inż. Andrzej Walentek, dr inż. Zbigniew Lubosik (GIG) | Support management system for gateroads located on great depths |
| 13:40 | 13:50 | J. Szuścik, R. Gąska (PGG KWK Mysłowice-Wesoła) | Application of rock bolt support in the 415 exploratory decline, seam 416 in PGG sp. z o.o., Mysłowice – Wesoła Mine as a part of gateroad support sustained behind the longwall advance - POLSKA GRUPA GORNICZA MYSŁOWICE-WESOŁA MINE |
| 13:50 | 14:00 | Dr hab. inż. Stanisław Duży (PŚl.) | Underground headings stability loss risk assessment. |
| 14:00 | 14:10 | Dr inż. Robert Siata (GIG) | Detailed recognition of geological formation of coal seams using seismic method. |
| 14:10 | 15:00 | Lunch |