Study of Rock Blasting Failure Pattern with One Free Boundary by Jun Yang, Xin Liu, Zhenyang Xu, Hongliang Tang, Qi Yu

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Full-Field Strain Characterizations and Fracture Process of Rock Blasting Using a Small-Scale Double-Hole Bench Model by Jun Yang, Xin Liu, Zhenyang Xu, Hongliang Tang, Qi Yu

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Experimental Study on the Influence of Borehole Angles on Fracture Grouting in Limestone Aquifers by Jianbo Li, Yanchun Xu

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An Improved Coupled Modeling Method for Coalbed Methane Extraction after Hydraulic Fracturing by Hao-Hao Zhang, Jun-Xing Wang, Chao-Jun Fan, Hui-Jie Bi, Li Chen, Chen-Yu Xu

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Experimental Investigation on the Energy Consumption Difference between the Dynamic Impact and the Drilling Tests of Rocks by Shoudong Xie, Mingjian Huang, Junji Lu, Wang Xi, Zhenyang Xu

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Estimation of Aperture and Stiffness of Fractures under High Water Pressure Using Hydrological Data and Slurry Consolidating Body by Jianbo Li, Yanchun Xu

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Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary by Rong Lu, Fengshan Ma, Jie Zhao, Jianbo Wang, Guilin Li, Bing Dai

“…The boundary part of the backfill has a direct effect on the local stability in mining engineering. The distribution of stress on the boundary part of the backfill and surrounding rock had their own features. …”
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Measurements and Design Calculations for a Deep Coaxial Borehole Heat Exchanger in Aachen, Germany by Lydia Dijkshoorn, Simon Speer, Renate Pechnig

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A Numerical Investigation of the Hazardous Injection Area of Induced Earthquake during Hydraulic Fracturing by Zhiyong Niu, Shiquan Wang, Hongrui Ma, Songbao Feng, Hengjie Luan, Yibin Yang

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Predicting Time-to-Failure of Red Sandstone by Temporal Precursor of Acoustic Emission Signals by Ansen Gao, Chengzhi Qi, Renliang Shan, Chunlai Wang

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Retraction notice to “A combination of Newton-Raphson method and heuristics algorithms for parameter estimation in photovoltaic modules” [Heliyon 7 (2021) e06673] by Patrick Juvet Gnetchejo, Salomé Ndjakomo Essiane, Abdouramani Dadjé, Pierre Ele

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Prediction of the Strength of Rubberized Concrete by an Evolved Random Forest Model by Yuantian Sun, Guichen Li, Junfei Zhang, Deyu Qian

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Atmospheric dispersion model to predict the impact of gaseous pollutant in an industrial and mining cluster by D.S. Kumar, S.H. Bhushan, D.A. Kishore

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Local Thickening and Friction Reducing to Constant Resistance in a Prefolded Energy Absorption Device by Hailiang Xu, Jiaqi Song, Dong An, Yimin Song, Xiangfeng Lv

“…The energy absorption support for impact resistance used in mining engineering is a prefolded energy absorption device. …”
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The Criteria of Underground Rock Structure Failure and Its Implication on Rockburst in Roadway: A Numerical Method by Xiaofei Guo, Zhiqiang Zhao, Xu Gao, Zhenkai Ma, Nianjie Ma

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Explosion-Induced Stress Wave Propagation in Interacting Fault System: Numerical Modeling and Implications for Chaoyang Coal Mine by Xiaojun Feng, Qiming Zhang, Muhammad Ali

“…This study has guiding significance for the attenuation law of stress waves passing through joint/fissure zones in geological engineering, earthquake engineering, and underground mining engineering.…”
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Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering by Changde Yang, Ling Li, Ying Li, Yakuan Gao

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Research on Adsorption and Desorption Characteristics of Gas in Coal Rock Based on Nuclear Magnetic Resonance Technology by Xukun Wu, Guangming Zhao, Youlin Xu, Xiangrui Meng, Xiang Cheng

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Optical Fiber Frequency Shift Characterization of Overburden Deformation in Short-Distance Coal Seam Mining by Dingding Zhang, Qiang Chen, Zhengshuai Wang, Jianfeng Yang, Jing Chai

“…The results of this study provide valuable guidance for the development of similarity simulation testing and intelligent mining engineering techniques.…”
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Experimental and Numerical Investigation on Basic Law of Dense Linear Multihole Directional Hydraulic Fracturing by Xin Zhang, Yuqi Zhang

“…Using the dense linear multihole to control the directional hydraulic fracturing is a significant technical method to realize roof control in mining engineering. By combining the large-scale true triaxial directional hydraulic fracturing experiment with the discrete element numerical simulation experiment, the basic law of dense linear holes controlling directional hydraulic fracturing was studied. …”
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