Research articles
Numerical study on failure and instability of slender rock columns: Synergistic effects of lateral pressure, height-to-width ratio, and material strength
Shiguo Feng, Gen Li*
Deep Resources Engineering. 2025, 2(2): 100185. 
doi.org10.1016j.deepre.2025.100185.pdf
Brief Introduction: This paper numerically investigates how lateral pressure, height-to-width ratio, and material strength collectively influence the failure mechanisms and instability of slender rock columns.
本文用数值方法研究了侧压力、高宽比和材料强度对细长岩柱破坏机制和失稳的共同影响。
Keywords: Slender rock column; Material failure; Structural instability; H/W ratio; Material strength; Lateral pressure
Cite: Feng, S.G.; Li, G., Numerical study on failure and instability of slender rock columns: Synergistic effects of lateral pressure, height-to-width ratio, and material strength. Deep Resources Engineering 2025, 2 (2): 100185. https://doi.org/10.1016/j.deepre.2025.100185
Mitigating shale swelling in deep drilling: Novel natural deep eutectic solvent vs hybrid additives system
Muhammad Hammad Rasool*, Maqsood Ahmad*, Numair Ahmed Siddiqui, Syahrir Ridha*, Azam Khan*, Husnain Ali
Deep Resources Engineering. 2025, 2(2): 100173. doi.org10.1016j.deepre.2025.100173.pdf
Brief Introduction: This paper evaluates the effectiveness of a novel natural deep eutectic solvent (NADES) and hybrid additive systems in mitigating shale swelling around the borehole and improving drilling fluid performance for deep drilling operations.
本文评估了一种新型共晶溶剂（NADES）和混合添加剂体系在缓解孔壁页岩膨胀和改善深层钻井作业钻井液性能方面的有效性。
Keywords: Drilling fluid; Green additives; NADES; Shale inhibition
Cite: Rasool, M. H.; Ahmad, M.; Siddiqui, N. A.; Ridha, S.; Khan, A.; Ali, H., Mitigating shale swelling in deep drilling: Novel natural deep eutectic solvent vs hybrid additives system. Deep Resources Engineering 2025, 2 (2): 100173. https://doi.org/10.1016/j.deepre.2025.100173
Analysis of tunnel water inrush accidents induced by stratum collapse models
Jiayao Chen*, Dingli Zhang*, Mingyue Su, Xiaotian Liu, Xiangdong Mi
Deep Resources Engineering. 2025, 2(2): 100186. doi.org10.1016j.deepre.2025.100186.pdf
Brief Introduction: This paper analyzes tunnel water inrush accidents caused by stratum collapse using catastrophe theory and numerical simulations, and proposes mitigation measures based on a case study of the Shijingshan Tunnel.
本文运用突变理论和数值模拟方法分析了由地层坍塌引起的隧道突水事故，并以石景山隧道为例，提出了缓解突水事故的措施。
Keywords: Rock tunnels; Water inrush; Stratum collapse; Accident analysis
Cite: Chen, J.Y.; Zhang, D.L.; Su, M.Y.; Liu, X.T.; Mi, X.D., Analysis of tunnel water inrush accidents induced by stratum collapse models. Deep Resources Engineering 2025, 2 (2): 100186. https://doi.org/10.1016/j.deepre.2025.100186
Mechanics and nonlinear crack evolution of fractured sandstone under triaxial stress
Huarui Hu, Xiang Zhang, Jun Lu*, Chun Zhu, Shiwei Liu
Deep Resources Engineering. 2025, 2(2): 100172. doi.org10.1016j.deepre.2025.100172.pdf
Brief Introduction: This paper investigates the mechanical behavior and nonlinear crack evolution of fractured sandstone under triaxial stress, analyzing how pre-existing crack angles influence strength, damage progression, and energy dissipation.
本文研究了含裂隙砂岩在三轴应力作用下的力学行为和非线性裂纹演化，分析了裂纹角对强度、损伤演化和能量耗散的影响。
Keywords: Damage characteristics; Fractured sandstone; Triaxial test; Crack volume strain; Deep rock
Cite: Hu, H.R.; Zhang, X.; Lu, J.; Zhu, C.; Liu, S.W., Mechanics and nonlinear crack evolution of fractured sandstone under triaxial stress. Deep Resources Engineering 2025, 2 (2): 100172. https://doi.org/10.1016/j.deepre.2025.100172
Process system modelling of gas injection characteristics for underground CAES
Lige Wang, Cunzhuang Lu, Shishu Zhang, Di Peng, Qingrong Xiong, Xizhong Chen, Hongling Ma, Zizheng Sun, Liping Li*
Deep Resources Engineering. 2025, 2(2): 100174. doi.org10.1016j.deepre.2025.100174.pdf
Brief Introduction: This paper presents a process system modelling study of gas injection characteristics for underground Compressed Air Energy Storage (CAES), using gPROMS to integrate and analyze the thermodynamic behavior of compressors, heat exchangers, cavern storage, and expanders under varying operating conditions.
本文对地下压缩空气储能系统（CAES）注气过程中相关特性变化进行了系统性建模研究，利用gPROMS集成并分析了不同运行条件下压缩机、热交换器、洞穴储存器和膨胀器的热力学行为。
Keywords: Renewable energy; Compressed air energy storage (CAES); Underground cavern; System integration; Process system modelling
Cite: Wang, L.G.; Lu, C.Z.; Zhang, S.S.; Peng, D.; Xiong, Q.R.; Chen, X.Z.; Ma, H.L.; Sun, Z.Z.; Li, L.P., Process system modelling of gas injection characteristics for underground CAES. Deep Resources Engineering 2025, 2 (2): 100174. https://doi.org/10.1016/j.deepre.2025.100174
Comparison of rock spalling evaluation in underground openings: Uncertainty-based mathematical model and empirical method
Chao Chen*, Shibin Yao*, Jian Zhou*
Deep Resources Engineering. 2025, 2(2): 100171. doi.org10.1016j.deepre.2025.100171.pdf
Brief Introduction: This paper compares an uncertainty-based mathematical model with an empirical method for evaluating rock spalling risk in underground openings, using multiple membership functions and a new spalling coefficient index validated on 60 case datasets.
本文将对基于不确定性的数学模型与经验方法进行了比较，利用多重隶属函数和新的崩落系数指标对60个案例数据集进行验证，以评估地下洞室岩石崩落风险。
Keywords: Rock spalling; Unascertained measurement; Spalling coefficient; Graphical user interface
Cite: Chen, C.; Yao, S.B.; Zhou, J., Comparison of rock spalling evaluation in underground openings: Uncertainty-based mathematical model and empirical method. Deep Resources Engineering 2025, 2 (2), 100171. https://doi.org/10.1016/j.deepre.2025.100171
