Results 81 to 90 of about 2,631 (179)
Meitan kexue jishuDuring the process of mining of the steep and ultra-close multiple coal seam groups, the roadway is affected by multiple mining, the regional stress environment is complex, the deformation and failure of the roadway is severe and the non-uniform ...
Housheng JIA +6 more
doaj +1 more source
Ancient people and living nature: A global perspective on archaeological areas and biodiversity
People and Nature, Volume 8, Issue 5, Page 1085-1099, May 2026.Abstract Archaeological sites are not only of cultural and historical significance but also contribute to biodiversity conservation. Often marked by limited human disturbance and distinct ecological conditions, these areas serve as important refuges for various plant and animal species, playing a vital role in global conservation efforts.
Antonio Romano +3 more
wiley +1 more source
Research on large deformation mechanism of deep roadway with dynamic pressure
Energy Science & Engineering, 2020 In this paper, the large deformation mechanism of deep dynamic pressure roadway is studied from the perspective of the formation and development of plastic zone, and creep and damage of rock mass.
Lei Fan +3 more
doaj +1 more source
International Journal of Mining Science and Technology, 2015 Abstract The soft rock’s heterogeneity and nonlinear mechanical behavior cause extremely difficult maintenance on the soft rock roadway. Aiming at the asymmetric deformation and destruction phenomenon appearing after excavating and supporting the 7101 air return way in Meihe mine, this paper comprehensively adopted a variety of methods to analyze the
Yang Yu +4 more
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The J2 evolution model and control technology of the main roadway surrounding rock under superimposed influence of double-coal seam mining. [PDF]
Sci Rep, 2023 Chen D +6 more
europepmc +1 more source
Geoelectric field response characteristics analysis of floor roadway surrounding rock fracture caused due to coal seam mining. [PDF]
Sci Rep, 2021 Ou Y +9 more
europepmc +1 more source
Applied SciencesSpatially intersecting roadways in mines are prone to stress concentration due to disturbances during mining operations, which significantly affects the stability of the inter-roadway surrounding rock between the roadways. Analyzing the stability of underlying roadways under the influence of disturbances from overlying roadways, as well as enhancing ...
Pei Zhang +4 more
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Energy Science & EngineeringAddressing the challenges of surrounding rock control in gob‐side entry driving near an advancing working face affected by adjacent working faces and gobs, taking 5104 return airway of No.1 well in Checun Coal Mine as the background, using theoretical ...
Delong Cui +6 more
doaj +1 more source
Analysis and discussion on testing methods of broken rock zone of surrounding rock of roadway
Gong-kuang zidonghua, 2014 The paper introduced different testing methods and testing theories for broken rock zone of surrounding rock of roadway, discussed and analyzed advantages and disadvantages and scope of application of the different testing methods. By comparison, it got conclusion as follows: technology of the acoustic method is advanced and testing method is simple ...
CAI Guannan +3 more
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Scientific ReportsAbstract The effects of rock softening and shear dilation in the plastic zone are considered to examine the stability of surrounding rock in deep, weakly cemented soft rock roadways. An elastic-soft fracture mechanical model of the surrounding rock is developed, from which the analytical solutions for the stress and displacement fields are ...
Zhang, Jihua +8 more
openaire +2 more sources