Mining-induced subsidence prediction by displacement discontinuity method

Simple item page
dc.contributor.authorBadrul, AKM
dc.contributor.authorAlam, YJ
dc.contributor.authorFujii, Y
dc.contributor.authorAlam, AKMB
dc.contributor.authorRazo, SA
dc.contributor.authorAhmed, SM
dc.contributor.editorDissanayake, DMDOK
dc.contributor.editorDassanayake, ABN
dc.date.accessioned2022-02-28T03:39:49Z
dc.date.available2022-02-28T03:39:49Z
dc.date.issued2020-12
dc.description.abstractIt is essential to predict the mining-induced subsidence for sustainable mine management. The maximum observed subsidence having a noticeable areal extent due to Northern Upper Panels (NUP) and Southern Lower Panels (SLP) at the Barapukuria longwall coal mine is 5.8 m and 4.2 m, respectively, after the extraction of a 10 m thick coal seam. The mining-induced subsidence was simulated by the Displacement Discontinuity Method (DDM). The numerical model considered the effects of the ground surface, mining panels, faults, and the dyke. The predicted and the observed subsidence due to the mining of NUP and SLP were compared varying Young's modulus, and the 0.10 GPa Young's modulus was found to be the best match. The effects of the faults and the dyke in the calculation were found to be negligible. Future subsidence was predicted by considering 30 m extraction of the thick coal seam as 15.7 – 17.5 m in NUP and 8.7 – 10.5 m in SLP. For proper/sustainable mine management, the mining authority might need to count on this subsidence issue.en_US
dc.identifier.citationBadrul, A.K.M., Alam, Y.J., Fujii, Y., Alam, A.K.M.B., Razo, S.A., & Ahmed, S.M. (2020). Mining-induced subsidence prediction by displacement discontinuity method. In D.M.D.O.K. Dissanayake & A.B.N. Dassanayake (Eds.), Proceedings of International Symposium on Earth Resources Management & Environment 2020 (pp. 19-26). Department of Earth Resources Engineering, University of Moratuwa.en_US
dc.identifier.conferenceInternational Symposium on Earth Resources Management & Environment 2020en_US
dc.identifier.departmentDepartment of Earth Resources Engineeringen_US
dc.identifier.emailrock.mist.badrul18@gmail.comen_US
dc.identifier.facultyEngineeringen_US
dc.identifier.pgnospp. 19-26en_US
dc.identifier.placeColomboen_US
dc.identifier.proceedingProceedings of International Symposium on Earth Resources Management & Environment 2020en_US
dc.identifier.urihttp://dl.lib.uom.lk/handle/123/17095
dc.identifier.year2020en_US
dc.language.isoenen_US
dc.publisherDepartment of Earth Resources Engineering, University of Moratuwaen_US
dc.relation.urihttps://uom.lk/sites/default/files/ere/files/ISERME%202020%20Abstracts%20Final%2019.12.2020%2018.13_0.pdfen_US
dc.subjectDDMen_US
dc.subjectYoung’s modulusen_US
dc.subjectLongwall coal miningen_US
dc.subjectFaultsen_US
dc.subjectDykeen_US
dc.titleMining-induced subsidence prediction by displacement discontinuity methoden_US
dc.typeConference-Full-texten_US

Files

Original bundle

Now showing 1 - 1 of 1
Thumbnail Image
Name:
Mining-induced subsidence prediction by.pdf
Size:
1014.07 KB
Format:
Adobe Portable Document Format
Description:
Download

License bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

ISERME - 2020