Quantitative Identification of Grouting Effect of Working Face Floor with Multifactor Set by Zhenwei Yang, Junchao Yue, Xinyi Wang, Shuitao Guo

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Identification and Prediction Method of Working Face Water Inrush of Isolated Overburden Grout Injection by Chaochao Wang, Jialin Xu, Dayang Xuan

“…Based on the distribution characteristics of free water in grouting filling, the identification and prediction method of working face water inrush of IOGI were established. …”
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Experimental study of grout defect identification in precast column based on wavelet packet analysis by Xuan Zhang, Deyuan Zhou, Hesheng Tang, Xiao Han

“…Grout defects always exist in sleeves of precast structures, but studies on grout defect identification are rarely performed. …”
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Damage failure mode and parameter optimization of the connecting section of extendable grouting bolts by LIU Shaowei, ZHANG Weiyu, HE Deyin

“…ObjectivesTo address the challenges of large deformation， prolonged deformation periods， and poor anchorage in high-stress soft-rock tunnels， extendable grouting bolts are commonly used as an improved support and reinforcement method. …”
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Innovative Grouting Process Monitoring: Design and Implementation of a Measurement Device With Datalogger Function by Gabriel Gaspar, Roman Budjac, Stefan Sedivy, Maximilian Stremy, Denis Benka, Eduard Nemlaha, Rastislav Elias

“…Detailed documentation of grouting processes is often necessary, as these records offer valuable insights into substrate conditions and grouting quality. …”
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Multi-bed separation grouting in “three soft” thick coal seams mining and its application by Wenbing GUO, Dongtao WU, Mingjie GUO, Yuhang HU, Weiqiang YANG, Bibi WANG

“…Accurate identification of the grouting position in overburden isolated grouting and the reasonable determination of the protective layer thickness are of significant importance for preventing surface subsidence and protecting surface buildings and infrastructures. …”
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Research on the combined control of tunnel deformation adjacent to the foundation pit by servo steel strut and capsule grouting by Gang Wei, Weihao Feng, Xuehua Wu, Pengfei Wu, Hang Li, Zhenyi Zhu, Zhe Wang

“…First, the scaled model tests were conducted to determine the influence of the number of servo loading and their arrangement on the stress and deformation of the tunnel and diaphragm wall under the same capsule grouting conditions. This led to the identification of the optimal servo loading mode. …”
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Seismic Response Analysis of Secondary Lining Polymer Grouting Debonding Repair for Tunnel Construction Based on Parameter Inversion by Fengyang Miao, Chunyu Liang, Weiguo Li, Zhengxuan Huang, Jianguo Xu, Yingchun Cai, Xiaoyu Feng, Yiming Xu

“…In this paper, the mechanical parameters of the surrounding rock are calculated by optimizing the inversion of the improved system identification sensitivity analysis method, and the numerical model of the tunnel’s dynamic response is optimized using the improved inversion results to study the repair effect and seismic capacity of the Longmenshan tunnel using polymer grouting to repair the void area behind the lining under the action of a seismic load. …”
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Research on mining-induced failure of grouted rock mass around collapse column based on micro-seismic monitoring by Guofeng YU, Yunchun HAN, Bo REN, Tingshuang WEI, Qun ZHENG, Yang WANG, Wenqiang MU

“…The results show that, affected by the advance grouting reinforcement, micro-seismic events show a phenomenon of detour distribution around the grouted collapse column. …”
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Automatic GPR detection of grouting defects behind the tunnel shield segments based on wavelet coherence analysis combined with modified Res-RCNN by Dengyi Wang, Ming Peng, Liu Liu, Xiongyao Xie, Zhenming Shi, Yaoying Liang, Jian Shen, Qiyu Wu

“…Ground penetrating radar (GPR), a widely used non-destructive testing technique for detecting grouting defects behind tunnel shield segments, faces challenges like steel rebar interference, low working efficiency, and expert interpretation reliance. …”
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Instability characteristics and control methods of small coal pillar in open roadway under the influence of mining by Xingping LAI, Lizhen XU, Jiantao CAO, Pengfei SHAN, Shuai ZHANG, Huicong XU

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Identification and Treatment of Collapse and Mud Inrush Caused by Deep Karst Trough in Tunnels by Xin Huang, Qi Liang, Zhengguo Zhu, Jiaqi Guo, Yongchao Tian

“…Firstly, a comprehensive identification method for the hazard-causing structure of the deep karst trough in tunnels is proposed and successfully applied. …”
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Multi-field information fusion-based analysis of the macroscopic and mesoscopic damage evolution and location identification of caving and water-conducting fracture zones for minin... by Jiangbo WEI, Shuangming WANG, Lang LIU, Baoning WEI, Deyu CHONG, Zhizhen LIU, Dongkui LI, Dengdeng ZHUANG, Jing ZHOU

“…The comprehensive identification based on multi-field information fusion revealed that the mining overburden had an average water-conducting fracture zone height of 69.00 m and an average caving zone height of 19.63 m, with an average fracture zone/mining height ratio of 19.71 and an average caving zone/mining height ratio of 5.61. …”
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Analysis the Mechanical Response of Tunnels Under the Action of Vertical Jacking in Shield Construction and Research on Reinforcement by Mingxun Hou, Chunshan Yang, Jiayi Yang, Yuefei Zeng, Zhigang Zhu

“…Correlating simulation results with experimental measurements quantified the sensitivity of tunnel deformation to grouting reinforcement, enabling the identification of an optimal reinforcement zone. …”
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Rock and machine interaction law during TBM crossing fault and prevention and control technology of jamming disaster in Shoushan No.1 Mine by Jianguo ZHANG, Tongtong MU, Yiqiang LU, Jiawei LIU, Zhanbiao YANG, Sheng ZHANG, Longfei WANG

“…At the same time, advanced surrounding rock reinforcement equipment is configured in front of the TBM cutterhead, such as precise grouting equipment, advanced small pipe installation equipment, etc. …”
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Disaster-causing mechanism and prevention and control vision orientation of different types of coal seam floor water disasters in China by Yifan ZENG, Huicong ZHU, Qiang WU, Houzhu WANG, Xianjie FU, Tieji WANG, Xirui WANG, Jiulin FAN, Rongjie HU, Xiangjun CAI, Xuedong KAN, Shengbao GAO

“…The generalized model of macro-micro geomechanical structure of coal seam floor fault is established. Based on the identification of the core disaster-causing factors that induce fault activation water inrush, the mechanical criteria of fault activation water inrush in different types of coal seam floor are established. …”
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