Radionuclide Transport in Fractured Rock: Numerical Assessment for High Level Waste Repository by Claudia Siqueira da Silveira, Antonio Carlos Marques Alvim, Jose de Jesus Rivero Oliva

“…We have analysed the bentonite expanded performance at the beginning of fracture, the quantified radionuclide released from a borehole, and an estimated effective dose to an adult, obtained from ingestion of well water during one year.…”
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Characterization and Modelling of Multiscale Natural Fractures in Shale Reservoirs: A Case Study from a Block in the Southern Sichuan Basin by Shaohua Gai, Ailin Jia, Yunsheng Wei, Ruohan Liu

“…The fracture intensity is obtained by the correlation between ant tracking attributes and fracture density in borehole. The fracture aperture, dip, and azimuth are three main parameters, which are recognized by the loggings and cores. …”
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Hybrid Finite-Discrete Element Modelling of Excavation Damaged Zone Formation Process Induced by Blasts in a Deep Tunnel by Huaming An, Hongyuan Liu, Haoyu Han

“…During the excavation by blasts, the rock mass around the borehole is subjected to dynamic loads, i.e., strong shock waves crushing the adjacent rocks and high-pressure gas expanding cracks. …”
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Assessment of Isparta Basin by Using 1D Nonlinear Site Response Analysis Approach; 1914 Burdur (Ms: 7.0) Earthquake Scenario by Ali SİLAHTAR

“…It uses shear wave velocity (Vs) and borehole data at 24 points. The soil of the study area was classified as ZC and ZD soil groups according to the Turkish Building Earthquake Code-2018 (TBEC-2018) soil classification criteria, and its 1D Nonlinear site response analysis approach was carried out using the DEEPSOIL program in the study area. …”
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Mechanism and Control of Roadway Floor Rock Burst Induced by High Horizontal Stress by Dongming Guo, Xinchao Kang, Zhiying Lu, Qiyu Chen

“…Based on the above research, field tests were carried out, and the microseismic monitoring results showed that the floor pressure relief of large diameter boreholes and concrete-filled steel tube pile support effectively relieved the floor rock burst and guaranteed the safety and efficiency of roadway excavation. …”
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The Research of Coal and Gas Outburst Warning Based on Logistic Regression and Geographic Information System by Bo You, Bo Li, Shi Liang Shi, He Qing Liu, Yi Lu, He Li

“…The mathematical model of coal and gas outburst warning is established by the logistic regression analysis based on the gas concentration, the gas desorption index of drill cuttings, and the initial velocity of gas emission from the borehole. The multivariate information coupled warning was conducted according to the selected early warning indicator system, and the early warning level was divided with the result of early warning. …”
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Subsurface Thermal Modeling of Oxia Planum, Landing Site of ExoMars 2022 by M. Formisano, M. C. De Sanctis, C. Federico, G. Magni, F. Altieri, E. Ammannito, S. De Angelis, M. Ferrari, A. Frigeri

“…The spectrometer Ma_MISS (Mars Multispectral Imager for Subsurface, Coradini and Da Pieve, 2001) will investigate the lateral wall of the borehole generated by the drill, providing hyperspectral images. …”
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New Insights into the Drill Cutting Characteristics and Fault Distribution in Gas-Containing Coal Seams by Xinghua Zhang, Haifeng Wang, Dan Zhao, Zheng Shang, Tianwei Ren, Shuaikang Geng, Xiaorui Hao, Chang Liu, Jinzhou Li

“…The results show that the effect of tectonic stress reduces the strength and permeability of the coal after the borehole enters the fault damage zone, resulting in abnormal fluctuations in the morphological characteristics of the drill cuttings. …”
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Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns by XinPing Li, JunHong Huang, Yi Luo, Qian Dong, YouHua Li, Yong Wan, TingTing Liu

“…Aiming at surrounding rock damage induced by dynamic disturbance from blasting excavation of rock-anchored beam in rock mass at moderate or far distance in underground cavern, numerical model of different linear charging density and crustal stress in underground cavern is established by adopting dynamic finite element software based on borehole layout, charging, and rock parameter of the actual situation of a certain hydropower station. …”
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Method to Calculate Working Surface Abutment Pressure Based on Key Strata Theory by Hongkai Han, Jialin Xu, Xiaozhen Wang, Jianlin Xie, Yantuan Xing

“…The calculated results were verified using measurements from borehole stress meters and microseismic monitoring systems, as well as numerical simulations. …”
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Blasting Energy Analysis of the Different Cutting Methods by Ke Man, Xiaoli Liu, Ju Wang, Xiyong Wang

“…The other parameters such as the borehole number, the detonator segment, and the charge amount of each hole are also designed. …”
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Application of Presplitting Blasting Technology in Surrounding Rock Control of Gob-Side Entry Retaining with Hard Roof: A Case Study by Shuang Gong, Yi Tan, Yunpeng Liu, Dan Zhu, Yang Yu

“…Combined with numerical simulation and field test, the reasonable parameters of combined presplitting blasting of deep hole and shallow hole in hard roof are determined, and the roof cutting effect is tested through field observation and borehole peeping. The comprehensive control measures for the surrounding rock of 7135 roadway with roof cutting and pressure relief and gob retaining are formulated, including safety assurance technical measures, such as advanced precrack and seam cutting, roof reinforcement and support, gangue retaining protection beside the roadway, lagging temporary support, and on-site industrial test monitoring scheme. …”
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Physical Simulation of the Water-Conducting Fracture Zone of Weak Roofs in Shallow Seam Mining Based on a Self-Designed Hydromechanical Coupling Experiment System by Hao Zha, Weiqun Liu, Qinghong Liu

“…The simulated fracture depth of the Yili coal mine agreed with the in situ borehole observation very well and was more accurate than the output of the empirical formula. …”
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Mechanism of Coal Burst and Prevention Practice in Deep Asymmetric Isolated Coal Pillar: A Case Study from YaoQiao Coal Mine by Chengchun Xue, Anye Cao, Wenhao Guo, Songwei Wang, Yaoqi Liu, Zhiping Shen

“…They developed a coal burst prevention and control program of deep-hole blasting in the roof of asymmetrical isolated coal pillar roof and unloading pressure from coal seam borehole. Monitored data confirmed that the stress concentration was influential in the roadway’s surrounding rock in the asymmetric isolated coal pillar area, circumventing coal pillar burst accidents. …”
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Production Thematic Maps of Bearing Capacity of Shallow Foundation for Al-Basrah Soil Using Standard Penetration Data and GIS by Majeed Sabaa, Alaa Salman, Ammar Dakhil, Saba Jawad, Mahdi Karkush, Ahmed Athab

“…The total number of boreholes drilled was 135 distributed irregularly in the study area. …”
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Effect of Axial Vibration on Sliding Frictional Force between Shale and 45 Steel by Wu Hao, Chen Ping, Liu Yang, Ma Tianshou

“…However, the Coulomb model cannot describe the sliding friction behavior between drill string and borehole rock with imposed axial vibrations. To solve this problem, a specially designed experimental setup was utilized to investigate the characteristics of axial vibrating-sliding coupling friction. …”
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Hydrocarbon potential in the Northern Egyptian Red Sea: insights from geophysical datasets and analysis of onshore marginal outcrop analogues and subsurface sequences by Ahmed M. Noureldin, Mustafa Hassan, Mohamed Farouk, Walid M. Mabrouk, Ahmed E. Radwan, Ahmed Metwally

“…Abstract The Red Sea remains a largely under-explored basin, with the Northern Egyptian Red Sea requiring further investigation due to limited borehole data, sparse case studies, and poor seismic quality. …”
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Optimization of the Operation of Groundwater Intakes Using Two-Column Wells by V. V. Ivashechkin, J. A. Medvedeva

“…It is shown that the use of powerful pumps in single-column wells of such water intakes causes a sharp decrease in the dynamic water level in the borehole. On the one hand; this provokes the formation of colmating deposits in the filters due to their aeration; reduces the specific flow rate of the well and shortens the intervals between regenerations. …”
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Improving the Stability of Subsurface Structures in Deep Metal Mines by Stress and Energy Adjustment: A Case Study by Huanxin Liu, Xingquan Liu, Zhuoying Tan, Yang Liu, Guilin Li

“…Based on the field observation and investigation of the joints distribution and rock failure modes at 800–1200 m depth of several large gold mines and a typical ultradeep borehole (2017 m depth) in northwest Jiaodong Peninsula, three engineering methods for reducing stress, including the stress transferring by mining optimizations, pressure relief by boreholes, and energy release in advance by optimizations of excavation and support, are analyzed by numerical simulation and field monitoring. …”
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RESIDENTS’ COMPLIANCE WITH BUILDING SETBACKS IN IBADAN NORTH LOCAL GOVERNMENT AREA OF OYO STATE, NIGERIA by ADEJUMO, S. A., FATIMAH O. BADIRU

“…More than half of the residents (50.8%) did not comply with 30meters setback between septic soak away and well/borehole location. The majority of the setbacks that were converted to other uses in low residential areas was used for security post (81.6%) while the largest proportion (35.4%) in medium and high-density areas (15.7%) were used for shop construction. …”
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