Research articles
Numerical analysis of thermo-hydromechanical process related to deep geological radioactive repository
Jian-Fu Shao*, Zhan Yu, Zaobao Liu, Minh-Ngoc Vu, Gilles Armand
Deep Resources Engineering. 2024, 1(1): 100001. 
doi.org10.1016j.deepre.2024.100001.pdf
Brief Introduction: This paper presents a numerical analysis of thermo-hydromechanical processes and induced cracking in deep geological radioactive waste repositories using a phase-field method, with application to the French concept of high-level waste disposal in Callovo-Oxfordian claystone.
本文采用相场法对深部地层放射性废物处置库中的热-水-力耦合过程及其引发的损伤与裂纹扩展行为进行了数析，并将其应用于法国Callovo-Oxfordian黏土岩核废物的处置。
Keywords: Radioactive waste; Geological disposal; Thermo-hydromechanical coupling; Callovo-oxfordian claystone; Damage and cracking; Phase-field method
Cite: Shao, J.-F.; Yu, Z.; Liu, Z.B.; Vu, M.-N.; Armand, G., Numerical analysis of thermo-hydromechanical process related to deep geological radioactive repository. Deep Resources Engineering 2024, 1 (1): 100001. https://doi.org/10.1016/j.deepre.2024.100001
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A novel DFN-DEM approach to simulate long-term behavior of crystalline rock under effects of glacial climate conditions
Friederike Tiedtke*, Heinz Konietzky, Fabien Magri
Deep Resources Engineering. 2024, 1(1): 100002. doi.org10.1016j.deepre.2024.100002.pdf
Brief Introduction: This paper presents a novel coupled DFN-DEM approach to simulate the long-term thermo-hydro-mechanical behavior of fractured crystalline rock under glacial climate conditions for nuclear waste repository safety assessment.
本文提出了一种结合离散断裂网络（DFN）与离散元方法（DEM）的新型数值模拟方法，用于模拟裂隙岩体在冰川气候条件下长达10万年的热-水-力（THM）耦合长期行为，以评估核废料地质处置库的安全性。
Keywords: Nuclear safety; Numerical workflow; Geo-mechanical coupling; Fractures
Cite: Tiedtke, F.; Konietzky, H.; Magri, F., A novel DFN-DEM approach to simulate long-term behavior of crystalline rock under effects of glacial climate conditions. Deep Resources Engineering 2024, 1 (1): 100002. https://doi.org/10.1016/j.deepre.2024.100002
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Notch formation in vertical excavations in a deep hard rock mine and rock stabilization methodologies
Alex Hall, Ming Cai*, Brad Simser, Jared Lindsay
Deep Resources Engineering. 2024, 1(1): 100003. doi.org10.1016j.deepre.2024.100003.pdf
Brief Introduction: This paper investigates the mechanisms of notch formation in vertical excavations in a deep hard rock mine and presents methodologies for rock stabilization and deterioration prevention.
本文研究了深部硬岩矿山中竖直开挖工程（如天井和溜井）的V形破裂形成机制，并提出了相应的竖井稳定与支护方法。
Keywords: Shaft; Raise; Ore pass; Waste pass; Notching; Scouring; Ground support; Blasting
Cite: Hall, A.; Cai, M.; Simser, B.; Lindsay, J., Notch formation in vertical excavations in a deep hard rock mine and rock stabilization methodologies. Deep Resources Engineering 2024, 1 (1): 100003. https://doi.org/10.1016/j.deepre.2024.100003
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Development of the rolling extrusion rock bolt with constant resistance and large deformation
Yundong Shou, Limin Guo, Xiaoping Zhou*
Deep Resources Engineering. 2024,1(1): 100004. doi.org10.1016j.deepre.2024.100004.pdf
Brief Introduction: This paper presents the development and static-pull validation of a novel rolling-extrusion rock bolt that delivers constant resistance and large deformation for reinforcing deep rock masses subject to high stress.
本文研制了一种具有恒定阻力和大变形的新型滚挤压式锚杆的研制和静态拉伸实验验证，该锚杆可用于深部高应力岩体的锚固。
Keywords: Energy-absorbing bolt; Rolling extrusion; Static pull test; Constant resistance; Large deformation
Cite: Shou, Y.D.; Guo, L.M.; Zhou, X.P., Development of the rolling extrusion rock bolt with constant resistance and large deformation. Deep Resources Engineering 2024, 1 (1): 100004. https://doi.org/10.1016/j.deepre.2024.100004
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An improved method to calculate the rock brittleness index PEECR based on linear energy storage law
Fengqiang Gong*, Yiru Zuo, Song Luo, Yunliang Wang
Deep Resources Engineering. 2024, 1(1): 100005. doi.org10.1016j.deepre.2024.100005.pdf
Brief Introduction: This paper proposes an improved method for calculating the rock brittleness index (PEECR) based on the linear energy storage law, demonstrating its accuracy and superiority through triaxial cyclic loading-unloading tests.
本文提出了一种基于线性储能定律改进的岩石脆性指数（PEECR）计算方法，通过三轴循环加卸载试验验证了其准确性和优越性。
Keywords: Rock brittleness index; Linear energy storage law; Peak elastic strain energy; Triaxial cyclic loading-unloading compression test
Cite: Gong, F.Q.; Zuo, Y.R.; Luo, S.; Wang, Y.L., An improved method to calculate the rock brittleness index PEECR based on linear energy storage law. Deep Resources Engineering 2024, 1 (1): 100005. https://doi.org/10.1016/j.deepre.2024.100005
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Field observations and interpretation of extensional fracture in hard rock surrounding deep underground openings
Charlie C. Li*
Deep Resources Engineering. 2024, 1(1): 100006. doi.org10.1016j.deepre.2024.100006.pdf
Brief Introduction: This paper presents field observations and a quantitative criterion for extensional fracturing in deep hard rock excavations, showing that spalling and slabbing initiate at 0.4σc and propagate at 0.8σc under high stress concentrations.
本文介绍了深部硬岩开挖张拉裂纹破裂的现场观测结果和定量判据，发现在高应力集中条件下，层裂和板裂破坏在0.4σc时开始，在0.8σc时扩展。
Keywords: Extensional fracture; Rock fracture; Failure criterion; Rock burst; Hard rock
Cite: Li, C. C., Field observations and interpretation of extensional fracture in hard rock surrounding deep underground openings. Deep Resources Engineering 2024, 1 (1): 100006. https://doi.org/10.1016/j.deepre.2024.100006
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