.... The dynamic compression mechanics response characteristics and crack growth laws of granite under different strain rates were studied. The results indicated that PFC-FLAC coupling technology can solve the problems of tedious modeling process and long calculation time in the past three-dimensional discrete...

... safety and technical issue in upward horizontal slicing and filling mining. Taking the separation pillar in the middle section of an iron mine as the research object, various methods, including engineering analogy, theoretical calculation, and numerical simulation were used to comprehensively analyze...

... the empirical formula, reduce the number of constants, and determine the constant c and the grain size coefficient C d based on the physical properties of the sand. The relative density calculated by method 1 st is generally close to the in-situ test results, but there is still a problem of low relative...

... numerical model of rock stratum-tunnel is established based on a tunnel project with high geo-temperature, and the stress of tunnel lining under high geo-temperature environment is calculated and analyzed, the influence of temperature distribution on lining stress is analyzed. The results show...

... is established. The seismic performance is divided into four stages: basically intact, partial damage, severe damage and overall instability. A large number of calculations are used to compare the instability probability of slopes with near-fault and far-field ground motions. The results show that: 1...

... substantially in magnitude owing to their movement characteristics of large moving distance, fast rotation speed, and small deformation. A multilevel model for rock motion calculation is established to separate the rigid displacement and deformation displacement of the rock. The total rock movement displacement...

... propagation artificial intelligence environmental science 861 geology interface hydraulic fracturing society iop publishing iop conf simulation boundary displacement geological subdiscipline flaw node geologist reservoir geomechanics conference resistance calculation cellular...

... reservoir geomechanics tunnel conference geologist geological subdiscipline society iop publishing iop conf excavation stiffness geology displacement environmental science 861 lining asian rock mechanic society reservoir characterization calculation deformation shield rheology...

... environmental science 861 strength numerical simulation conference fracture step loading calculation propagation simulation excavation homogeneity 11th Conference of Asian Rock Mechanics Society IOP Publishing IOP Conf. Series: Earth and Environmental Science 861 (2021) 032006 doi:10.1088/1755...

... deformation conference stiffness calculation steel arch equation soft-rock tunnel superposition stiffness superposition 11th Conference of Asian Rock Mechanics Society IOP Publishing IOP Conf. Series: Earth and Environmental Science 861 (2021) 032042 doi:10.1088/1755-1315/861/3/032042 Study...

... Abstract The experimental study of hydraulic fracturing, i.e. the experimental study of the interaction between fracturing fluid and rock, was first started by the experiment of plane fracture seepage. in this study, a numerical calculation model is established by applying the net crack water...

... geology reservoir characterization ansy wellbore design geological subdiscipline society iop publishing iop conf geologist reservoir geomechanics interface conference application revit conversion interface calculation modeling information boolean operation environmental science...

... calculation stability coefficient increment Abstract The first impoundment of the Xiluodu Hydropower Station on the Jinsha River in Southwest China commenced in May 2013. A month after the first impoundment, the Xingguang bank slope began to deform and continues to do so to this day. This endangers...

... or in-situ tests. With the development of computer, numerical simulation has become one of the main methods to study rock blasting damage. The purpose of this study is to use two-dimensional numerical simulation method to establish a simple explosion damage analysis model, and calculate the process of multi...

... geological subdiscipline calculation conference diagram Abstract It is difficult to consider the heterogeneity and discontinuity of rock and soil in conventional slope stability analysis. This paper proposes an efficient slope stability analysis method based on discrete element method (DEM...

... calculation elevation engineering geology particle Abstract According to the investigation on the distribution of surface geological hazards in Maoping Mine, Yunnan Province, the stability calculation and discrete element numerical simulation of Meitanyakou landslide were carried out. The result...

... calculation model for surrounding rock excavation of a diversion tunnel with high-pressure cavities. A sequential iteration method is proposed to summarize the above factors and then iteratively solve them in a certain order. Based on a water diversion project, the relevant calculation examples...

... element numerical calculation method, among others (Terzaghi et al., 1967; Fredlund & Delwyn, 2006; Zhang, 2007). The methods of slope stability analysis under earthquake action are mainly conducted using quantitative calculation via a quasi-static method based on limit equilibrium analysis...

... affected area. At the same time, combined with the stress test data of Xianglushan tunnel, the first-stage stress field inversion calculation of large scale model is carried out based on multiple regression analysis method. The macroscopic stress field distribution characteristics of the strata and fault...

... Abstract The fracture propagation length and propagation angle can be calculated quickly using the fracture propagation analytical model. But for fractured-vuggy carbonate reservoirs, the addition of a discontinuous medium in the analytical model makes it difficult to obtain accurate results...