Results 1 to 10 of about 8,295 (264)
The impact of artisanal mining on rehabilitation efforts of abandoned mine shafts in Sutherland goldfield, South Africa [PDF]
Jàmbá, 2019 Abandoned gold mine sites are generally characterised by severe environmental problems and physical hazards. Because of socio-economic problems confronting communities around abandoned mine sites, historic and abandoned gold mines have become hot-spots ...
Sphiwe E. Mhlongo +4 more
doaj +2 more sources
International Journal of Coal Science and Technology, 2019 The mountainous abandoned mine land is often distributed in the form of fragmented patches. Therefore, it can greatly promote the reuse value of abandoned mine land and relieve the pressure of land demand to realize the rational reuse of abandoned mine ...
Linlin Cheng +3 more
exaly +3 more sources
Study on the multi-source response characteristics and damage evolution mechanisms of graphene-modified concrete [PDF]
Scientific ReportsIn deep underground engineering, lining concrete structures in underground gas storage facilities are exposed to prolonged high in-situ stress and intense disturbances, which increase their susceptibility to progressive damage and sudden instability ...
Qiang Fu +8 more
doaj +2 more sources
Review of Potential Energy Storage in Abandoned Mines in Poland
Energies, 2021 Poland has had a total of 70 mines, but now more than half of them is out of operation. This mining closure raises with respect to the environment and unemployment.
Sylwester Robak, Candra Saigustia
exaly +3 more sources
Gas drainage and optimal arrangement of boreholes based on permeability anisotropy
Geomatics, Natural Hazards & Risk, 2023 Based on the true triaxial dynamic anisotropic permeability model of coal and rock, a multi field coupling mathematical model of structurally anisotropic coal seams under true triaxial stress was established, and a numerical simulation experiment of ...
Minke Duan +6 more
doaj +1 more source
Study on Damage Law of Raw Coal Based on Different Characterization Methods
Advances in Civil Engineering, 2022 The different damage variables equation based on strain, energy dissipation, acoustic emission (AE), and permeability characteristics under tiered cyclic loading were defined.
Minke Duan +5 more
doaj +1 more source
Bat use of abandoned mines throughout Nevada
Wildlife Society Bulletin, 2023 Abandoned mines offer important roosting habitat for several species of bats throughout the western United States. Currently, abandoned mine reclamation programs are tasked with closing abandoned mines to ameliorate safety, health, and environmental ...
Megan L. Moran +3 more
doaj +1 more source
Abandoned Mine Reclamation and Principal Considerations on Utilization
RMUTL Engineering Journal, 2023 The utilization has been presented for the seven abandoned mines as the successful projects. The development and maintenance expenditure have been used for the safety mine place throughout the time by the business owners.
Siwarote Siriluck, Pipatt Chuenjai
doaj +1 more source
Evaluation method for abandoned coal mine gas storage reservoir sites
You-qi chuyun, 2023 Underground gas storage plays an important role in the strategic reserve, peak shaving and stable supply of natural gas. Due to the complex geological conditions in China, very limited sites are available for the construction of gas storage.
Xiaoming SHI +4 more
doaj +1 more source
Meitan kexue jishu, 2023 The utilization of underground space in abandoned mines is a key direction supported by the coal industry. By combining underground space utilization, flood storage, and heat supply in winter, this paper proposes a comprehensive utilization model of ...
Yuan ZHANG +3 more
doaj +1 more source