Showing 2,241 - 2,260 results of 3,009 for search '"Geology"', query time: 0.06s Refine Results
  1. 2241

    Site Assessment for Astroparticle Detector Location in Evaporites of the Polkowice-Sieroszowice Copper Ore Mine, Poland by Jaroslaw Slizowski, Zenon Pilecki, Kazimierz Urbanczyk, Elzbieta Pilecka, Leszek Lankof, Rafal Czarny

    Published 2013-01-01
    “…The numerical analyses, based on geological, geophysical, and geomechanical research, were carried out to determine the behavior of the system of the chamber and surrounding rock mass. …”
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    Article
  2. 2242

    Evolution Mechanism of Thickly Sticky Loose Layered Arch Structure and Prediction Method of Initial Ground Fissure Caused by Underground Coal Mining by Yang Yingming, Li Quansheng, Liu Shiliang, Zhang Kai, Zhao Yongqiang, Zhang Guojun, Zhang Weilong, Liu Gang

    Published 2022-01-01
    “…In view of the problem of taking the loose layer as the uniform cloth load while ignoring thickly sticky loose layered arch (TSLLA) of the traditional mining rock overburden structure analysis, combined with the geological conditions of shallow buried thickly sticky loose layer in Shendong mining area, the mechanical model of the mining TSLLA bearing structure is established, the variation law of arch height under different loose layers is analyzed, and the formation conditions of TSLLA are given. …”
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    Article
  3. 2243

    Numerical Modeling for Engineering Analysis and Designing of Optimum Support Systems for Headrace Tunnel by Sajjad Hussain, Zahid Ur Rehman, Noor Mohammad, Muhammad Tahir, Khan Shahzada, Sajjad Wali Khan, Muhammad Salman, Mujahid Khan, Akhtar Gul

    Published 2018-01-01
    “…In the present research work, the rock mass rating (RMR) and tunneling quality index (Q-system) were used as empirical methods for characterization of rock mass based on real-time geological and site geotechnical data and physical and strength properties of rock samples collected from the alignment of tunnel. …”
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    Article
  4. 2244

    Failure modes and interaction mechanisms of tunnel under active landslide conditions by Wenjiao Zhou, Jiawei Fan, Shumao Qiu, Yufang Zhang

    Published 2025-01-01
    “…In this study, using methods such as engineering geological investigation, slope deformation monitoring, deep displacement monitoring, and numerical simulation, the interaction between landslides and tunnels was investigated from the perspective of landslide deformation and failure characteristics. …”
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    Article
  5. 2245

    A Study of Safety Coefficient Determination and Support Parameter Optimization Based on Vulnerability Preevaluation by Minglei Zhang, Linsheng Gao, Yue Yang, Yidong Zhang, Ming Ji

    Published 2021-01-01
    “…In this study, taking the surrounding rocks, stress, geological environment, and service time into consideration, the safety coefficient is determined based on the vulnerability scores calculated by the vulnerability preevaluation model of the surrounding rock. …”
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    Article
  6. 2246

    Utilization of Sentinel-1 for Landslide Hazard Zoning on Agricultural Land Cover in Sumedang Regency by Ihsan Haikal Muhammad, Isya Herdien Raka Moch

    Published 2024-01-01
    “…The parameters used are the slope of the SAR data, geological conditions, soil conditions and meteorological conditions. …”
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    Article
  7. 2247

    Sensitivity Analysis on the Impact of Input Parameters on Seismic Hazard Results: A Case Study of Central America by Carlos Gamboa-Canté, Mario Arroyo-Solórzano, Alicia Rivas-Medina, Belén Benito

    Published 2024-12-01
    “…This study focuses on Central America, utilizing recent data from seismic, geological, and geophysical studies to improve uncertainty analyses through classic statistical methods. …”
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    Article
  8. 2248

    New Bouguer Gravity Maps of Venezuela: Representation and Analysis of Free-Air and Bouguer Anomalies with Emphasis on Spectral Analyses and Elastic Thickness by Javier Sanchez-Rojas

    Published 2012-01-01
    “…Results were compared with the previous geological and tectonic information obtained from former studies. …”
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    Article
  9. 2249

    Structural Analysis of Lunar Regolith from LPR CH-2 Data Based on Adaptive f-x E MD: LPR Data Processed by Adaptive f-x EMD by Bin Hu, Deli Wang, Ling Zhang, Zhaofa Zeng

    Published 2019-01-01
    “…The acquired LPR data is significant for the research of lunar geological structure. Based on the sedimentary mechanism of lunar regolith, the regolith contains many rocks with different sizes. …”
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    Article
  10. 2250

    Response Characteristics of Tunnels with Curvilinear Axes under Obliquely Incident Lateral SV Seismic Waves by Yongchao Sun, Meijing Wang, Chengjie Ai, Chuanwei Fan, Huiling Zhao

    Published 2024-01-01
    “…Influenced by topography, geological conditions, and environmental factors, the alignment design of long-distance tunnels frequently incorporates curved tunnel segments. …”
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    Article
  11. 2251

    Application of Magnetometer-Equipped Drone for Mineral Exploration in Mining Operations by Dimitris Perikleous, Katerina Margariti, Pantelis Velanas, Cristina Saez Blazquez, Pedro Carrasco Garcia, Diego Gonzalez-Aguilera

    Published 2024-12-01
    “…This study investigates the geological composition and material distribution within the Lavrion repository located in Greece through an aerial magnetometry survey using a novel aerial drone, CERBERUS, coupled with advanced data processing techniques. …”
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    Article
  12. 2252

    Firefly Optimization Algorithm for the Prediction of Uplift due to High-Pressure Jet Grouting by Wukui Dai, Li Liang, Bingji Zhang

    Published 2020-01-01
    “…A project that needs to be uplifted by high-pressure jet grouting (HPJG) is exposed to particular geological and engineering circumstances; meanwhile, HPJG has intense subjectivity, short of the theoretical base, to ascertain the influence angle β and enlarged radius Δa, which are the main parameters that affect the uplift effect. …”
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    Article
  13. 2253

    Stochastic short-term mine scheduling targeting stationary grades by Augusto Andres Torres Toledo, João Felipe Coimbra Leite Costa, Luciano Nunes Capponi, Diego Machado Marques

    Published 2025-01-01
    “…In stochastic mine planning, geological uncertainty and transfer functions are employed to propagate the risk into the mining schedule focusing on grade control. …”
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    Article
  14. 2254

    Fracturing simulation with different perforation positions at deep coal seam and roof/ floor rock — case study at the No.8 deep coal seam of a gas field in the Ordos basin by Dong XIONG, Jiayuan HE, Xinfang MA, Zhaoliang QU, Tiankui GUO, Shiyu MA

    Published 2024-12-01
    “…The No.8 deep coal seam in the Ordos basin is situated at a burial depth of over 2 000 meters and has a complex geological structure. The roof and floor layers of the target coal seam are composed of limestone and mudstone, respectively. …”
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  20. 2260

    Study of Ultrasound-Assisted Low-Pressure Closed Acid Digestion Method for Trace Element Determination in Rock Samples by Inductively Coupled Plasma Mass Spectrometry by Xijuan Tan, Yunxiu Ren, Ting Liang, Denghong Wang

    Published 2025-01-01
    “…The element extraction efficiency of this method was evaluated via the yielded relative errors (REs) of the trace elements in a series of geological standard reference materials (SRMs) with compositions from basic to acidic. …”
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    Article