Effect of Dry–Wet Cycling on the Degradation Characteristics and Mechanisms of Red Sandstone by Qi Dong, Xiang Sun, Nengzhong Lei, Bin Liu

“…This study’s results can provide theoretical support for the landscape protection of rock masses and the prevention of engineering geological hazards.…”
Get full text

Construction practice of water conveyance tunnel among complex geotechnical conditions: a case study by Kaimin Duan, Guofeng Zhang, Hui Sun

“…Based on the theory of rock elastic–plastic mechanics and finite element analysis technology, this article carried out investigations of engineering geological features, geological formations and hydrological conditions establishes a calculation model for the 3# water conveyance tunnel of the Fenhe River Diversion Project, and analyzes the variation law of surrounding rock stress and displacement during TBM excavation of the tunnel. …”
Get full text

Evolution of Mechanical Behaviors and Microstructure of Tianjin Binhai Cohesive Soil during Freeze-Thaw Cycles by Bin Li, Dingyang Zhang, Pei Wang, Min Sun

“…The variation of soil structure and mechanical damage caused by freeze-thaw cycles results in degradation of engineering properties and engineering geological problems, such as deformation, cracking, and even project accidents. …”
Get full text

Study on enrichment zoning of the gold ore and the method of automatic sinking mining by Tao Zhigang, Pang Shihui, Xiu Kexin, Lai Hao, Tuo Zixiang, Lü Zengwang

“…At present, the extremely-thin veins occupy a certain proportion and have a wide distribution range in China and even in the world of non-ferrous metals and gold mines.For the extremely-thin vein mining, the mining methods include breasting method, waste-lifting stoping, resue stoping, long walling, but their common problem are serious dilution loss and bad safety conditions.According to the above problems, this paper took a mining design of steep extremely-thin gold ore (HD ore) in Kyrgyzstan as an example.Firstly, "HD gold ore 3D geological model" was established, through the field engineering geological survey and analysis on the present situation of the mining method.Secondly, the study on gold metal enrichment zoning West 9 veins is based on the theory of distance power inverse ratio and the characteristics of the 29 geological exploration lines of HD gold mine.Three grade level of 5, 9, 12 were used and four enrichment zones of extremely rich area, more concentrated, enrichment and less enriched were divided. …”
Get full text

Numerical modeling of influence of soil mass reinforcement with cement-sand grouting on foundation deformation by Ludmila Aleksandrovna Strokova, Sohaib Sabah Tarek Tarek, Vera Valerievna Golubeva, Volodymyr Ivanov

“…The methods used in the study: the analysis of materials of engineering-geological researches for designing object. Strength and deformation characteristics of soils were determined by the laboratory and field methods. …”
Get full text

Ground Deformation and Its Causes in Abbottabad City, Pakistan from Sentinel-1A Data and MT-InSAR by Naeem Shahzad, Xiaoli Ding, Songbo Wu, Hongyu Liang

“…Land subsidence, as one of the engineering geological problems in the world, is generally caused by compression of unconsolidated strata due to natural or anthropogenic activities. …”
Get full text

A Stability Analysis of an Abandoned Gypsum Mine Based on Numerical Simulation Using the Itasca Model for Advanced Strain Softening Constitutive Model by Yungang Shi, Huaijian Wang, Xin Tan, Yuxuan Jin, Jiaxu Wang, Bigang Tang

“…Based on the research achievements in the engineering geological investigation, rock mass quality assessment, and geometry information, a simplified numerical model has been established for stability analysis. …”
Get full text

Assessment of landslide susceptibility mapping based on XGBoost model: A case study of Yanshan Township by Hongyang WU, Chao ZHOU, Xin LIANG, Pengcheng YUAN, Lanbing YU

“…Nine influencing factors, including engineering geological lithology and thickness of deposit layer, were selected to construct the landslide susceptibility evaluation index system. …”
Get full text

Bathymetric Monitoring of Alluvial River Bottom Changes for Purposes of Stability of Water Power Plant Structure with a New Methodology for River Bottom Hazard Mapping (Wloclawek,... by Dariusz Popielarczyk, Marian Marschalko, Tomasz Templin, Dominik Niemiec, Isik Yilmaz, Barbara Matuszková

“…During the operation period of the water power plant, an engineering-geological issue in the form of pothole formation on the Wisła River bed in the gravel-sand alluvium was observed. …”
Get full text

Experimental study on strength and failure characteristics of sandstone rock mass with complex cataclastic structure using 3D printing models by Shan Dong, Zhichun Lu, Xi Hu

“…Abstract A cataclastic rock mass is a poor type of engineering geological rock mass. The determination of the shear failure characteristics and shear strengths of cataclastic rock masses can provide key basis for the design and construction of infrastructure. …”
Get full text

Current state of above-ground and underground structures of the Alexander Column: an integral basis for its stability by Regina E. Dashko, Angelina G. Karpenko

“…The contamination history of the underground space is taken into account, and an analogy-based method is used to assess the engineering-geological and hydrogeological conditions of the underground load-bearing structures within the placement zone of the Alexander Column and the New Hermitage buildings. …”
Get full text

Optimizing Simulation and Analysis of Automated Top-Coal Drawing Technique in Extra-Thick Coal Seams by Qunlei Zhang, Ruifu Yuan, Shen Wang, Dongyin Li, Huamin Li, Xuhe Zhang

“…Numerical models with 100 drawing openings are created according to the field engineering geological conditions of Tongxin coal mine in China. …”
Get full text

Research on Subsidence Prediction Method of Water-Conducting Fracture Zone of Overlying Strata in Coal Mine Based on Grey Theory Model by Jinjun Li, Zhihao He, Chunde Piao, Weiqi Chi, Yi Lu

“…Based on the engineering geological data of the J60 borehole in the Daliuta Coal Mine and the mining conditions of the 2⁻² coal seam, China, this study established a similar material test model of mining overburden. …”
Get full text

Prediction of Buildings’ Settlement Induced by Metro Station Deep Foundation Pit Construction by Shuting Xu, Jinming Xu

“…Meanwhile, the effects of construction parameters, engineering geological parameters, and spatial parameters on the accuracy of building settlement prediction were investigated. …”
Get full text

Manifestations of Acoustic Emission in Frozen Soils with Simultaneous Influence of Variable Mechanical and Thermal Effects on Them by E. A. Novikov, V. I. Shkuratnik, M. G. Zaytsev

“…The applied importance of such methods is to increase the speed and reduce the complexity of engineering geological surveys in the northern regions of Russia, carried out with the aim of predicting the loss of stability of the bases of buildings and structures to ensure their safe operation. …”
Get full text

Long-term hydrological monitoring of soils in the terraced environment of Cinque Terre (north-western Italy) by Matteo Fiorucci, Giacomo Pepe, Gian Marco Marmoni, Massimo Pecci, Diego Di Martire, Luigi Guerriero, Giuseppe Bausilio, Enza Vitale, Emanuele Raso, Luca Raimondi, Andrea Cevasco, Domenico Calcaterra, Gabriele Scarascia Mugnozza

“…Monitoring data were coupled with accurate engineering-geological investigations to achieve the hydro-mechanical characterization of backfill soils and to investigate their hydrological response at both the seasonal and the single rainstorm scale. …”
Get full text

Optimization of pile field structural calculations based on CPT data by P. N. Nedviga, A. A. Kukina, M. A. Tachkov

“…For this purpose it is necessary: to prepare an algorithm for processing data from engineering-geological surveys; to develop a strictly deterministic process of justification of the best option depending on the cost of the pile foundation; to obtain a visual representation of the data for the possibility of verification of the selected solution.Materials and methods. …”
Get full text

Simulation Study on the Disaster-Causing Mechanism of Geothermal Water in Deep High-Temperature Heat-Damaged Mines by Bowen Fan, Peng Shi, Zhijun Wan, Yuan Zhang, Luchang Xiong, Songbo Hu, Hong Gou

“…According to the measured field data and the engineering geological conditions of the roadway, a roadway seepage-heat transfer model is constructed using the comsol numerical simulation software, emulating the effect of geothermal water upwelling to the roadway through random cracks in the surrounding rock at different temperatures and pressures, which has an impact on the airflow temperature field of the roadway. …”
Get full text

Physical and Numerical Simulation of the Mechanism Underpinning Accumulation Layer Deformation, Instability, and Movement Caused by Changing Reservoir Water Levels by Rubin Wang, Jianxin Wan, Ruilin Cheng, Yunzi Wang, Zhaoying Wang

“…In order to reveal the mechanism of deformation of the reservoir bank accumulation layer, in this study, a large-scale physical test model with a similarity ratio of 1:200 was constructed based on the actual engineering geological section. Two reservoir water level cycle fluctuation conditions were simulated, and the reservoir water level drop rate was strictly controlled to be two times the rise rate. …”
Get full text

Investigation and Optimization of EOR Screening by Implementing Machine Learning Algorithms by Shengshuai Su, Na Zhang, Peng Wang, Shun Jia, Acacia Zhang, Han Wang, Min Zhang

“…Enhanced oil recovery (EOR) is a complex process which has high investment cost and involves multiple disciplines including reservoir engineering, chemical engineering, geological engineering, etc. Finding the most suitable EOR technique for the candidate reservoir is time consuming and critical for reservoir engineers. …”
Get full text