Modify Selection
- Research methods and measures:
- Numerical modeling
Home Links
Results 81 - 90 of 97
-
2/1/2002 - Conference papersSteel liner plates are used to provide protective linings in the tunneling industry. This report summarizes test results, examines design parameters that impact jacking force capability, and develops models to improve design load prediction.
-
6/1/2001 - Non-peer reviewed journal articlesThis report provides a generalized mathematical model that completely describes the geometry of the wires in round-strand wire ropes.
-
3/1/1999 - Peer reviewed journal articlesNIOSH researchers are investigating methods to improve safety during the transport of ore in ore passes.
-
3/1/1999 - Conference papersThis paper presents several case studies in which a mechanics-based boundary-element program is used to back-calculate the surface subsidence associated with various panels at several northern Appalachian coal mines.
-
3/1/1999 - Conference papersRecently, powerful design methods have emerged from analysis of large data bases of real-world pillar successes and failures. In the process, our understanding of pillar mechanics has been greatly enriched.
-
1/1/1999 - Information CircularsThis work identified the most important variables contributing to coal bumps. These are (1) mechanical properties of strata, including local yield characteristics of a mine roof and floor, (2) gate pillar factors of safety, (3) roof beam thickness, join...
-
9/1/1998 - Reports of InvestigationsThe behavior of wire ropes used in hoisting is not well understood. In an effort to improve this understanding, the structure of round-strand wire ropes was analyzed. This report provides a generalized mathematical model that completely describes the g...
-
4/1/1998 - Conference papersResearchers from the Spokane Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) are developing numerical modeling tools to forecast time-dependent deformation around coal mine entries.
-
8/1/1997 - Conference papersDemonstration of a technique developed at the Spokane Research Center that allows the user to create a finite-element model of a two-dimensional section of an underground mine in a relatively straightforward manner.
-
1/1/1995 - Reports of InvestigationsA hydrologic-subsidence investigation was performed to evaluate the effects of longwall mining on the local groundwater regime through field monitoring and numerical modeling.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program