Table of Contents Author Guidelines Submit a Manuscript
Advances in Civil Engineering
Volume 2019, Article ID 5350686, 17 pages
https://doi.org/10.1155/2019/5350686
Research Article

Influences of Water Vapor on Roof Fall Accidents in Selected Underground Coal Mines in Malawi

1Faculty of Engineering, Hokkaido University, N13W8, Sapporo 060-8628, Japan
2Department of Mines, Government of Malawi, P.O. Box 251, Lilongwe, Malawi
3Mchenga Coal Mine, P. O. Box 404, Mzuzu, Malawi
4University of Moratuwa, Moratuwa 10400, Sri Lanka

Correspondence should be addressed to Yoshiaki Fujii; pj.ca.iadukoh.reitnorf@9926iijuf

Received 12 September 2018; Accepted 30 December 2018; Published 6 February 2019

Guest Editor: Ray R. Zhang

Copyright © 2019 Umali M. Yasidu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. B. Shen, “Coal mine roadway stability in soft rock: a case study,” Rock Mechanics and Rock Engineering, vol. 47, no. 6, pp. 2225–2238, 2013. View at Publisher · View at Google Scholar · View at Scopus
  2. J. N. van der Merwe, J. J. van Vuuren, R. Butcher et al., “Causes of falls of roof in South African collieries,” Safety in Mines Research Advisory Committee (SIMRAC), SciELO Network, Johannesburg, South Africa, 2001, Final project report, report no. COL613. View at Google Scholar
  3. Mine Safety and Health Administration (MSHA), Quarterly Employment and Production: Accidents/Injuries/Illnesses Reported to MSHA under 30 CFR Part 50, US Department of Labour, Mine Safety and Health Administration, Office of Injury and Employment Information, Crystal City, VA, USA, 2005.
  4. Mine Safety and Health Administration (MSHA), 2018, https://www.msha.gov/data-reports/statistics.
  5. Directorate General of Mines Safety, Dhanbad, India, “Fatal accidents in coal mines,” DGMS Strategic Plan, vol. 15, pp. 26-27, 2011. View at Google Scholar
  6. B. N. Whittaker and R. N. Singh, “Stability of Longwall mining gate roadways in relation to rib pillar size,” International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, vol. 18, no. 4, pp. 331–334, 1981. View at Publisher · View at Google Scholar · View at Scopus
  7. A. M. Heidarieh-Zadeh and S. F. Smith, “Stability behaviour of deep level coal mining tunnels,” Mining Science and Technology, vol. 2, no. 3, pp. 171–179, 1985. View at Publisher · View at Google Scholar · View at Scopus
  8. R. W. Seedsman, “Geotechnical sedimentology-its use in underground coal mining,” International Journal of Coal Geology, vol. 45, no. 2–3, pp. 147–153, 2001. View at Publisher · View at Google Scholar · View at Scopus
  9. F. L. Pellet, M. Keshavarz, and M. Boulon, “Influence of humidity conditions on shear strength of clay rock discontinuities,” Engineering Geology, vol. 157, pp. 33–38, 2013. View at Publisher · View at Google Scholar · View at Scopus
  10. M. Keppert, J. Žumár, M. Čáchová et al., “Water vapor diffusion and adsorption of sandstones: influence of rock texture and composition,” Advances in Materials Science and Engineering, vol. 2016, Article ID 8039748, 7 pages, 2016. View at Publisher · View at Google Scholar · View at Scopus
  11. Y. P. Chugh and R. A. Missavage, “Effects of moisture on strata control in coal mines,” Engineering Geology, vol. 17, no. 4, pp. 241–255, 1981. View at Publisher · View at Google Scholar · View at Scopus
  12. N. B. Aughenbaugh and R. F. Bruzewski, “Investigation of the failure of roofs in coal mines,” University of Missouri, Rolla, MO, USA, 1973, Final Report, U.S.B.M. Contract No.H0111462. View at Google Scholar
  13. Y. Fujii, Y. Ishijima, Y. Ichihara et al., “Mechanical properties of abandoned and closed roadways in the Kushiro Coal Mine, Japan,” International Journal of Rock Mechanics and Mining Sciences, vol. 48, no. 4, pp. 585–596, 2011. View at Publisher · View at Google Scholar · View at Scopus
  14. U. M. Yasidu, Y. Fujii, D. Fukuda, J. Kodama, and G. Maneya, “Effect of humidity on tensile strength of rocks in selected underground coal mines in Malawi,” in Proceedings of US Rock Mechanics/Geomechanics Symposium 2017 (ARMA 2017), pp. 17–217, San Francisco, CA, USA, June 2017.
  15. G. G. W. Cooper and F. Habgood, “The geology of Livingstonia coalfield,” in Nyasaland Geological Survey Department Bulletin, no. 11, Government Printer, Zomba, Malawi, 1959. View at Google Scholar
  16. Department of Climate Change & Meteorological Services-Malawi, “Weather and agro-meteorological bulletin–March 2015. Prospects for the 2014/2015 rainfall season in Malawi,” Department of Climate Change & Meteorological Services-Malawi, Lilongwe, Malawi, 2018, http://www.metmalawi.com/bulletins. View at Google Scholar
  17. Department of Climate Change and Meteorological Services, Malawi, “Prospects for the 2017/2018 rain fall season in Malawi,” Department of Climate Change and Meteorological Services, Lilongwe, Malawi, 2018, http://www.metmalawi.com/news/php. View at Google Scholar
  18. G. Dhakal, T. Yoneda, M. Kato, and K. Kaneko, “Slake durability and mineralogical properties of some pyroclastic and sedimentary rocks,” Engineering Geology, vol. 65, no. 1, pp. 31–45, 2002. View at Publisher · View at Google Scholar · View at Scopus
  19. A. B. N. Dassanayake, Y. Fujii, D. Fukuda, and J.-I. Kodama, “A new approach to evaluate effective stress coefficient for strength in Kimachi sandstone,” Journal of Petroleum Science and Engineering, vol. 131, pp. 70–79, 2015. View at Publisher · View at Google Scholar · View at Scopus
  20. Y. Nara, K. Morimoto, T. Yoneda, N. Hiroyoshi, and K. Kaneko, “Effects of humidity and temperature on subcritical crack growth in sandstone,” International Journal of Solids and Structures, vol. 48, no. 7-8, pp. 1130–1140, 2011. View at Publisher · View at Google Scholar · View at Scopus
  21. A. K. K. So, M. Osada, M. Takahashi et al., “Characterization of drying-induced deformation behaviour of Opalinus Clay and tuff in no-stress regime,” Environmental Geology, vol. 58, no. 6, pp. 1215–1225, 2009. View at Publisher · View at Google Scholar · View at Scopus
  22. P. Nepper-Christensen, “Shrinkage and swelling of rocks due to moisture movements,” Medd. fra Dansk Geol. Forening. København, vol. 15, 1965. View at Google Scholar
  23. D. Li, L. N. Y. Wong, G. Liu, and X. Zhang, “Influence of water content and anisotropy on the strength and deformability of low porosity meta-sedimentary rocks under triaxial compression,” Engineering Geology, vol. 126, pp. 46–66, 2012. View at Publisher · View at Google Scholar · View at Scopus
  24. A. Mufundirwa, Y. Fujii, N. Kodama, and J.-I. Kodama, “Analysis of natural rock slope deformations under temperature variation: a case from a cool temperate region in Japan,” Cold Regions Science and Technology, vol. 65, no. 3, pp. 488–500, 2011. View at Publisher · View at Google Scholar · View at Scopus