Quantitative Precursory Information of Weak Shocking Failures of Composite Soft Roof by Lihua Wang, Zenghui Zhao, Zhongxi Tian, Wei Sun

“…To reveal the mechanism of weak roof shocking in mine roadway arranged in weakly consolidated soft rock strata commonly observed in western China, a bearing system of composite roof composed of weakly consolidated soft rocks and coal layers was proposed. …”
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Determination of Land Suitability Criteria for Maize Hybrid in Boalemo Regency Based on Optimum Yield and Selected Land Quality by null Nurdin, Asda Rauf, Yunnita Rahim, Echan Adam, Nikmah Musa, Fitriah Suryani Jamin, Suyono Dude, Rival Rahman, Hidayat Arismunandar Katili

“…The soil characteristics were effective depth, coarse material, organic C, total N, K exchangeable, slopes, soil erosion, rock outcrops, and surface rocks. Furthermore, the highest optimum yield of 8.54 ton/ha was achieved by the total N and slopes for a very suitable class (S1), while the lowest of 5.58 ton/ha was obtained by exchangeable K for class S1. …”
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கலை நோக்கில் திருப்பரங்குன்றம் / Tiruparankundram in the Perception of Art by முனைவர் பீ. பெரியசாமி / Dr. B. Periyaswamy

“…A notable aspect of this study is the transformation of a Jain Tirthankara’s Kudaivara (rock-cut shrine) into an Ardhanareeswara shrine, illustrating the syncretic religious history of the region. …”
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Experimental and Theoretical Investigation of Overburden Failure Law of Fully Mechanized Work Face in Steep Coal Seam by Ze Liao, Tao Feng, Weijian Yu, Genshui Wu, Ke Li

“…By establishing the mechanical model of inclined rock beam, the deflection equation of overlying strata beam is obtained. …”
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Controversial Issues of Hydrocarbon Field Formation and the Role of Geomagnetic Fields by Andrey A. Ponomarev, Marsel A. Kadyrov, Yuri V. Vaganov, Valeria A. Cheymetova, Vadim M. Aleksandrov, Aleksandr V. Morev

“…We also present the leading causes of discrete magnetic fields in the sedimentary cover: Earth’s geomagnetic reversals, generation of ferromagnetic minerals in oil deposits, electromechanical effects of rock friction near faults, and intermixing of reservoir waters with different mineralization (spontaneous ion polarization). …”
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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

“…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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DESESTABILIZACIÓN DEL SISTEMA NATURAL A PARTIR DE CAMBIOS EN EL USO DEL SUELO: EL CASO DE LOS DESLIZAMIENTOS DE VISTA ALEGRE, PROVINCIA DEL NEUQUÉN by Elsie M. Jurio, María E. Chiementon, Marcos D. Mare

“…The mudflow lobes extend up to 150 m away from scarp and affect, at their distal section, agriculturally improved land. The total amount of rock and soils collapsed is in the order of 1,160,000 m3. …”
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Research on the Evolution Characteristics of Floor Stress and Reasonable Layout of Roadways in Deep Coal Mining by Yang Yu, Lianying Zhang, Jianfei Lu, Dingchao Chen, Xiangqian Zhao, Limin Liu

“…Then, the roadway surrounding rock stress and displacement field distribution evolution characteristics were revealed through numerical simulation. …”
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Research on Surface Failure Law of Working Faces in Large Mining Height and Shallow Buried Coal Seam by Zhenhua Li, Yingkun Pang, Yongsheng Bao, Zhanyuan Ma

“…To study the influence of overlying rock movement on surface failure of near-field single key strata of near-shallow buried and large mining height working face, the relationship between overburden movement, strata pressure appearance, and surface failure at working face 52307 in Daliuta mining area was analyzed by field measurement and numerical simulation. …”
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Shield Equipment Optimization and Construction Control Technology in Water-Rich and Sandy Cobble Stratum: A Case Study of the First Yellow River Metro Tunnel Undercrossing by Fei Ye, Nan Qin, Xiang Gao, Xue-yong Quan, Xian-zhuo Qin, Bing Dai

“…It was completed after successfully overcoming several construction challenges, including strata with a high proportion of large-sized sandy cobble stratum being saturated, large-scale sand pits along the bank of the Yellow River, and a combination of boulders and erratic blocks of rock. Given the difficulties in constructing the tunnel, this paper summarizes the scheme employed to transform the cutter and cutter head design to be applicable to sandy cobble stratum and the key technology used to form the slurry film to facilitate crossing the sand pits in a systematic way. …”
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Experiment and Mechanism Investigation on Freezing-Thawing of Sandstone with Different Water Contents by Guilei Song, Longxiao Chen, Kesheng Li, Deng Zhang, Junhao Xu, Wenshuo Xu, Chuanxiao Liu, Jinpeng Zhang

“…As another important factor, the mechanism of rock mass water content affecting freezing-thawing is less studied. …”
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Experimental and analytical investigation of hydraulic conductivity, energy dissipation, and drag forces in gradually varied flow conditions through rockfill media by Jafar Chabokpour

“…This paper focuses on the flow of water through rockfill porous media and brings out the effect of various parameters on hydraulic conductivity, friction factors, energy losses, drag coefficients, drag forces, and shear forces for such systems. Laboratory tests on rock materials with median diameters 1.1 cm and 1.8 cm and porosity of 42% and 47%, respectively, showed a nonlinear relationship between hydraulic gradient and pore velocity. …”
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Numerical Investigation on Time-Dependent Deformation in Roadway by Yuantian Sun, Guichen Li, Junfei Zhang, Bicheng Yao, Deyu Qian, Jiandong Huang

“…In this study, based on a field case, the rock mass properties and deformation data of the roadway were obtained according to the field test. …”
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Investigation of Burn Cut Parameters and Model for One-Step Raise Excavation Based on Damage Evolution Mechanisms by Kai Liu, Jiadong Qiu

“…In this study, a modified Holmquist-Johnson-Cook (HJC) model, in which the tension-compression damage model and tension-compression strain rate effect model are considered, is embedded in the LS-DYNA software to investigate the damage evolution of rock in cut blasting. A simplified numerical model of burn cut is built in the LS-DYNA. …”
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Energy Dissipation and Fractal Properties of Coal under Cyclic Impact Loading by Yongliang He, Chuantian Li, Yuping Fu, Xuegang Xing, Liying Sun

“…The study of the failure and fractal characteristics of coal samples under different impact pressures and different numbers of impacts provides important information for the prevention and control of coal mine rock bursts.…”
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Simulation and Analysis of a Split Drill Bit for Pneumatic DTH Hammer Percussive Rotary Drilling by Yuanling Shi, Conghui Li

“…Reverse circulation impact drilling has the advantages of high drilling efficiency and less dust, which can effectively form holes in hard rock and gravel layer. As integral reverse circulation drill bits used in the conventional down-the-hole (DTH) hammers are only suitable for specific formations, the whole set of DTH hammer needs to be replaced when drilling different formations. …”
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Effect of Water Saturation on the Diffusion/Adsorption of 22Na and Cesium onto the Callovo-Oxfordian Claystones by Sébastien Savoye, Serge Lefevre, Agnès Fayette, Jean-Charles Robinet

“…Under unsaturated conditions, the diffusion behavior for Cs and 22Na was not only slower but also distinct as compared to fully saturated samples. For the intact rock and under suction of 1.9 MPa, the Cs diffusivity was reduced by a factor of 17, whereas for sodium, it was reduced by a factor of 5. …”
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Determination of the Peak and Residual Shear Strengths of the Sandwich Material in Slopes by Qijun Hu, Qijie Cai, Leping He, Xiaoqiang Yang, Tao Ye, Rendan Shi

“…The present work primarily focuses on the shear strength of the mudded weak interlayer in rock slopes. To determine the peak and residual shear strengths of the mudded weak interlayers, the particle flow code (PFC) is used to simulate the failure behavior during the direct shear tests. …”
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Practical Approach to Predicting the K0 Behavior of In Situ Sandy Gravel by Ming-Jie Jiang, Jun-Gao Zhu, En-yue Ji, Ying-qi Wei, Zhi-zhou Geng

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Between Charybdis and Scylla—an Odyssey in AL amyloidosis: insights and learnings from a narrative review and case report series by Hani Sabbour, Ahmad Alhuraiji, Amr Hanbali, Faraz Khan, Jawahir Alameri, Sultan Alzaher, Dania Mohty, Giovanni Palladini

“…Being “between Scylla and Charybdis” is an idiom derived from Greek mythology to mean “between a rock and a hard place” and clinicians managing amyloid light-chain (AL) amyloidosis often find themselves in this predicament. …”
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