Geotechnical issues in the application of rock bolting technology for the development of underground coal mines in Indonesia

Takashi Sasaoka, Hideki Shimada, Nay Zar Lin, Hiroshi Takamoto, Kikuo Matsui, Suseno Kramadibrata, Budi Sulistianto

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The application of a rock bolting system for Indonesian underground coal mines has been attempted for several years without any success. Recently, two new underground mining trials were conducted in East Kalimantan, Indonesia, in order to investigate the possibility of using rock bolting to address the technical challenges of underground coal mines under weak geological conditions. Unfortunately, one of the trials failed and was given up due to a fatal roof fall accident. However, in another trial, even though roof falls have occurred within the working area, the bolted roadways showed reasonable stability over time. Moreover, a comprehensive monitoring system has been installed in order to monitor the ground behaviour and its characteristics. This application of a comprehensive monitoring system has enhanced the ability to increase the level of support and to react to changing/deteriorating conditions. This paper describes the conditions and geotechnical issues for underground mines in Indonesia, and discusses the applicability of the rock bolting system to address problems associated with weak strata conditions in Indonesia.

Original languageEnglish
Pages (from-to)150-172
Number of pages23
JournalInternational Journal of Mining, Reclamation and Environment
Issue number3
Publication statusPublished - May 2014

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geology
  • Earth-Surface Processes
  • Management of Technology and Innovation


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