Management of floor heave at Bulga Underground Operations – A case study
International Journal of Mining Science and Technology, 2019 This paper presents an overview of the floor heave management at the Glencore Bulga Underground Operations and investigates the contributing factors to the behaviour of the floor.
Serkan Saydam
exaly +5 more sources
Strain energy analysis of floor heave in longwall gateroads [PDF]
Royal Society Open Science, 2018 Floor heave in longwall gateroads is a severe issue that affects mining safety and efficiency. Researchers, however, have limited understanding on the floor heave mechanism because the deformation of post-failure rocks in the floor was seldom considered ...
Meng Wang +3 more
doaj +4 more sources
Mechanics Model of Floor Heave: Case Study on Thin Coal Seam with Soft Roof and Floor
Applied Sciences, 2023 The fully mechanized caving roadway’s floor heave has a significant impact on the stability of the narrow coal pillars, the filling body next to the roadway, as well as the entire roadway.
Peng Huang +5 more
doaj +3 more sources
Mechanism and control technology of roadway floor heave deformation and failure under the influence of repeated mining in multiple coal seams [PDF]
Scientific ReportsDeformations caused by of roadway floor heave due to the repeated mining of multiple coal seams is a prominent problem in deep coal mining. This work examines roadway floor heave under the influence of repeated mining in multiple coal seams as the ...
Fu Yuping +3 more
doaj +3 more sources
Study on the floor heave mechanism and control technology for the gob-side roadway in the stopping mining area of thick coal seam [PDF]
Scientific ReportsDue to the influence of the lateral abutment pressure and the protective coal pillar of the main roadway, the surrounding rock stress environment of the gob-side roadway in the stopping mining area of a thick coal seam is highly complex, making the ...
Xiaobo Hao +8 more
doaj +2 more sources
Mechanism and control measures for floor heave in gob-side entry of weakly cemented soft rock [PDF]
Scientific ReportsWeakly cemented soft rock goaf-side entry, as a typical extraction entry, faces the characteristics of low Surrounding Rock strength and water-induced softening.
Fenghai Yu +3 more
doaj +2 more sources
Research on mechanism and control technique of floor heave in deep soft rock roadway at Banji Coal Mine [PDF]
Scientific ReportsAiming at the severe floor heave occurring at the machine head section of the belt conveyor downhill roadway in the 1105 mining area of Banji Coal Mine, Bozhou, Anhui, a systematic investigation was conducted using mechanism analysis, numerical ...
Xun Zhang +6 more
doaj +2 more sources
Physical model study on the mechanism of floor heave for the deep-buried roadway excavated in soft rock of gently inclined thin strata [PDF]
Scientific ReportsStrata structure is an important factor affecting floor heave of deep soft rock roadway, however, the mechanism of floor heave induced by the rock structure has not been fully understood, so it is still necessary to study the floor heave of deep-buried ...
Feng Chen +5 more
doaj +2 more sources
Mechanism and control of floor heave in two entry retained roadways using dense boreholes [PDF]
Scientific ReportsThis study addresses severe floor heave in retained entries of two-entry longwall faces through a case analysis of Chahasu Coal Mine, China. Surrounding rock deformation and failure in the 31,317 tail entry were characterized through field monitoring and
Qiang Xu +5 more
doaj +2 more sources
Numerical analysis of floor heave control technology of combined inverted arch-floor pile
Meikuang Anquan, 2022 In order to solve the problem of floor heave control in deep soft rock roadway, based on the engineering background of the 18th floor track roadway in the south of the fourth level of Xing’an Mine, a new type of bottom heave control technology, that is ...
GUO Dongming +6 more
doaj +2 more sources