Sign in to use this feature.

Years

Between: -

Subjects

remove_circle_outline
remove_circle_outline
remove_circle_outline
remove_circle_outline
remove_circle_outline

Journals

remove_circle_outline

Article Types

Countries / Regions

Search Results (1)

Search Parameters:
Keywords = depillaring

Order results
Result details
Results per page
Select all
Export citation of selected articles as:
32 pages, 9477 KiB  
Article
Strata Control by Roof Blasting for Bord and Pillar Mining Method in Mechanized Depillaring Panels
by Abhishek Gautam, Ashok Kumar, Sahendra Ram, Krzysztof Skrzypkowski, Krzysztof Zagórski, Anna Zagórska, Maciej Madziarz and Krzysztof Migda
Appl. Sci. 2025, 15(3), 1403; https://doi.org/10.3390/app15031403 - 29 Jan 2025
Cited by 2 | Viewed by 1410
Abstract
This article discusses the challenges and remedial measures (roof blasting) adopted to deal with extremely difficult cavable roofs while working with Continuous Miner Technology (CMT) in Bord and Pillar mining method. The main objective of the roof blasting in the goaf is to [...] Read more.
This article discusses the challenges and remedial measures (roof blasting) adopted to deal with extremely difficult cavable roofs while working with Continuous Miner Technology (CMT) in Bord and Pillar mining method. The main objective of the roof blasting in the goaf is to induce caving to minimize the abutment load in and around the working face to prevent incidences of coal bumps, goaf swelling, pillar spalling, and air blasts. It was found that roof blasting is subjected to the nature of local roof falls, results of strata monitoring studies, and the hanging span of roof strata near the line of extraction. Efforts have been made to design different geotechnical elements and structures involved during the mechanized depillaring panel of the Tawa-I mine, using empirical methods to minimize the issues of roof overhang in the goaf. Numerical simulation studies were also performed to validate the design predicted by empirical methods. The Cavability Index indicated that the roof at Tawa-I mine is difficult to cave. To address this, roof blasting design strategies have been discussed to promote caving and minimize roof overhang, ensuring safe and efficient strata control while operating CMT in the challenging and complex geo-mining conditions of the mine. Full article
(This article belongs to the Special Issue Advanced Blasting Technology for Mining)
Show Figures

Figure 1

Back to TopTop