Proceedings: New Technology for Ground Control in Retreat Mining

IC 9446

1997


DHHS (NIOSH) Publication No. 97-133


This document is contained below in six PDF files, for ease of handling. The following table of contents allows you to open or download the files containing the sections of the document you want to see.
If you wish to download the entire document, it is available as 97-133.pdf (130 pages, 4,427K)

TABLE OF CONTENTS
 

Contents
Abstract
A Statistical Overview of Retreat Mining of Coal Pillars in the United States 		97-133-a.pdf (20 pages, 391K)
PILLAR DESIGN
      Analysis of Retreat Mining Pillar Stability (ARMPS)
      Preventing Massive Pillar Collapses in Coal Mines 		97-133-b.pdf (32 pages, 1,011K)
      Pillar Design and Coal Strength
      A New Laminated Overburden Model for Coal Mine Design 		97-133-c.pdf (25 pages, 933K)
MOBILE ROOF SUPPORTS
      Retreat Mining with Mobile Roof Supports 		97-133-d.pdf (15 pages, 606K)
      Monitoring Mobile Roof Supports 97-133-e.pdf (10 pages, 306K)
      Full-Scale Performance Evaluation of Mobile Roof Supports 97-133-f.pdf (28 pages, 953K)

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