Strength Characteristics and Failure Mechanism of Granite with Cross Cracks at Different Angles Based on DIC Method by Xu Wu, Liyuan Zhang, Jinglai Sun, Qifeng Guo, Jiliang Pan, Jun Gao

“…To investigate the effects of crossed cracks on mechanical properties and failure characteristics of rock, wire cutting equipment is employed to make rock samples with different crossed cracks, and then acoustic emission system and digital image correlation technique are used to study the fracture process of rock samples under uniaxial compression. …”
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Study on Crack Evolution and Failure Mechanism of Fully Penetrated Fracture Grouting Body by Hanqing Wang, Li Li, Xinwang Li, Lichao Cheng, Pengfei Shen

“…When the crack inclination is small, the specimen is mainly extended from the crack of the rock block at the upper end of the grout consolidation to the lower end of the crack surface, and the acoustic emission ring count data mainly show a rising trend throughout the whole process, when the crack inclination is large, cracks are mainly produced around the surface subjected to grout consolidation and gradually expand to the interior of the grouted body, and there is almost zero growth in the ringing count in the elastic stage (II) and a larger growth in the ringing count in the yielding stage (III) and postpeak stage (IV). …”
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Mechanical properties and piecewise constitutive model of fine sandstone in mining area of western China by Qing Wang, Dongxiao Zhang, Fei Han, Yongqiang Zhao, Pengfei Zhang, Feng Xiong

“…The accumulated residual strain, dissipative energy, acoustic emission cumulative ringing counts, and cumulative energy were introduced to characterize the degree of rock damage. …”
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Effects of two different cooling impact treatments on the thermal damage and mechanical properties of high-temperature granite by Xingchen Liu, Feng Huang, Aichen Zheng, Dong Yang

“…The stage damage characteristics of the rock were analyzed in terms of mechanical deformation, acoustic emission, and temperature field. …”
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Fractal Study on the Failure Evolution of Concrete Material with Single Flaw Based on DIP Technique by Lulin Zheng, Hao Liu, Yujun Zuo, Quanping Zhang, Wei Lin, Qing Qiu, Xiaorong Liu, Ziqi Liu

“…Crack inclination and material heterogeneity have important effects on the meso-mechanical mechanism and macroscopic mechanical behavior of rock-like materials. In order to study the failure characteristics of shotcrete body during the process of using shotcrete bolt mesh support in the deep fractured rock mass of Lannigou Gold Mine, this paper combined the Digital Image Processing Technique (DIP) and RFPA2D (Rock Failure Process Analysis System) to establish a real meso-structure numerical model of concrete with different inclination angle cracks, simulating its crack propagation law and failure process, and studied the influence of crack geometry distribution and meso-heterogeneity on the effect of concrete structure. …”
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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 Study of the Influence of Moisture Content on the Mechanical Properties and Energy Storage Characteristics of Coal by Nan Liu, Chuanming Li, Ruimin Feng, Xin Xia, Xiang Gao

“…In this study, the influence of moisture content on the mechanical properties of coal and rock burst tendency is explored via multiple measurement techniques: uniaxial compression test, cyclic loading/unloading test, and acoustic emission (AE) test. …”
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Rupture and Migration Law of Disturbed Overburden during Slicing Mining of Steeply Dipping Thick Coal Seam by Shuai Liu, Ke Yang, Chunan Tang, Xiaolou Chi

“…Steeply inclined and thick coal seams in Huainan Panbei Coal Mine in Anhui Province, China, were analyzed by physical analog modeling, acoustic emission (AE), and distributed fiber sensing (DBS). …”
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In Situ Stress Effects on Smooth Blasting: Model Test and Analysis by Renshu Yang, Shizheng Fang, Aiyun Yang, Huanzhen Xie, Liyun Yang

“…Meanwhile, a postexplosion acoustic wave test indicates that confining pressure inhibits damage of the retained rock, which is consistent with strain and equivalent strain rate results. …”
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The Effect of Hydraulic Coupling on Mechanical Deformation Characteristics of Shallow Coal Seam in Western Mining Area by Chunwei Ling, Xiaoshan Shi, Hao Wang, Kangning Zhang, Qingshan Ren, Yinghua Lv

“…The faster the loading rate, the shorter the duration of the rock sample being loaded and damaged, and the fewer the acoustic emission events. …”
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Effect of Multistage Thermal Cracking on Permeability of Granite by Zi-jun Feng, Yang-sheng Zhao, Peng Zhao, Zhi-jun Wan

“…Experiments on thermal cracking in granite sample were conducted through acoustic emission monitoring, and changes in permeability were concomitantly studied using 600°C 20 MN servo-controlled triaxial rock mechanics testing machine. …”
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Auditory risk recognition is socially transmitted across territory borders in wild birds by Jakub Szymkowiak

“…Abstract Prey species commonly assess predation risk based on acoustic signals, such as predator vocalizations or heterospecific alarm calls. …”
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Logging Response Mechanism and Content Evaluation of Laumontite-Bearing Glutenite Reservoir: A Case Study of Lower Urho Formation of Permian of the Junggar Basin by Jia Jun, Xue Kunlin, Ni Liping, Luo Yang, Liu Yuchao

“…In this study, through petrophysics experiments such as whole-rock X-ray diffraction, conventional petrophysical properties, mercury injection, and electron microprobe analysis, the characteristics of glutenite reservoirs containing laumontite and the well logging response mechanisms were analyzed from the perspectives of mineral composition of rocks, geochemical characteristics, and principle of loggings. …”
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An Experimental Study on Cracking Behavior of Precracked Sandstone Specimens under Seepage Pressure by Qibin Lin, Ping Cao, Hua Wang, Rihong Cao

“…This paper aims to investigate the strength and failure mechanism of fractured rock under seepage pressure. For this purpose, precracked sandstone specimens were prepared with different fissure angles, and a seepage pressure loading device was created. …”
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The Characteristics and Geological Significances of Tectonic Regime Changes in Chepaizi Uplift, Junggar Basin, Western China by Bang An, Weifeng Wang, Baogang Li, Zhaobing Wang, Shuaijie Yang, Yifei Sun, Xin Li

“…In order to study the characteristics of tectonic regime changes of Chepaizi Uplift in Junggar Basin and the control on oil and gas migration and accumulation, four stages of tectonic regime changes were identified by using the techniques of the rock acoustic emission (AE) technology, tectonic subsidence analysis, and tectonic stratigraphic sequence analysis, which occurred at the end of Early Permian, the end of Late Triassic, the end of Jurassic, and the end of Paleogene, respectively. …”
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Determination of Young’s Modulus by Specific Vibration of Basalt and Diabase by Osvail André Quaglio, José Margarida da Silva, Edmo da Cunha Rodovalho, Leandro de Vilhena Costa

“…The elasticity is an important parameter for the evaluation of the mechanical behavior of a rock mass and a fundamental factor in the definition of the resistance characteristics, stability, and blastability in rock blasts, and it is an important parameter for the blastability equations like the Kuz–Ram method. …”
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Mechanical Properties and Deterioration Instability of Filling Body with Gangue-Cement Material Based on AE Experiment by Guofeng Yu, Yunchun Han, Xiaoyang Yu, Ren Bao, Jiaxing Guo, Qingbo Feng

“…The fracture propagation characteristics and rock mass failure types induced by different graded gangues were revealed. …”
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Experiment on Mine Ground Pressure of Stiff Coal-Pillar Entry Retaining under the Activation Condition of Hard Roof by Wen-long Shen, Wen-bing Guo, Hua Nan, Chun Wang, Yi Tan, Fa-qiang Su

“…When the hard roof is situated in the activation state, the dynamic stress is generated from the hard roof activation, which is verified by the great saltation of acoustic emission signals. The results of mining ground pressure in the physical model can clearly illustrate the mechanical behavior of the rock around the retained entry with stiff coal pillar.…”
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Study on Ultrasonic Response to Mechanical Structure of Coal under Loading and Unloading Condition by Xiaofei Liu, Xiaoran Wang, Enyuan Wang, Zhentang Liu, Xiaoyang Xu

“…Ultrasonic technology can be applied to study the changes in the internal defects of coal under quantitative loading, which can provide the theoretical basis for applying the technology to determine the structural stability of coal and predict disasters related to the dynamics of coal or rock. In this paper, to investigate the propagation laws of ultrasonic signals through a coal material under various loading conditions, an ultrasonic test system for the deformation and fracture of coal rock was used and a cyclic loading and unloading pattern is adopted. …”
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Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs by Zhou Yuhui, Hu Qingxiong, Liu Wentao, Wu Zhiqi, Yan Yule, Ma Jialing

“…For a water layer, the neutron porosity is similar to the acoustic (or density) porosity and the dual-lateral resistivity difference will be less than 0. …”
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