Computerized scheduling of longwall moves
Conference
·
OSTI ID:525962
- Morehead State Univ., KY (United States)
The disassembly, transport, and reassembly of approximately 3,000 tons of equipment in as short a time as possible is very complex. The encumbered space and geological dynamics of the underground environment further complicate the planning, scheduling, and control of the longwall equipment move or face-to-face transfer. In the US, longwall move time greatly varies from a minimum of three days to more than twenty days. While some of this variation can be attributed to differing geologic conditions, mining systems, and move techniques, the organization and management of the longwall move process is a primary factor in move duration. The application of computer-based project scheduling to maintain and control the multitude of interacting resources and activities is demonstrated. This paper details an ongoing investigation of the application of computer scheduling to US longwall moves. An overview of the scheduling and analysis of longwall moves over the last five years is provided. This includes project task definition and level of detail, establishment of task relationships and sequences, task time estimation, and resource allocation and leveling. The paper further discusses, relative to longwall moves, computer application factors, modeling considerations, and assessments of software for computerized scheduling. The accompanying presentation will provide a demonstration of current project scheduling software as applied to actual longwall move processes.
- OSTI ID:
- 525962
- Report Number(s):
- CONF-960664--
- Country of Publication:
- United States
- Language:
- English
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