Results are compared from three approaches and implications are discussed.
#Abs in flac3d code#
This was also simulated numerically using a finite difference code Fast Lagrangian Analysis of Continua for three dimensions (FLAC3D). CN106227930A CN201610570888. To achieve a scientific and reasonable application of the RGSG in the Zhuji coalmine, stress evolution in the surrounding rock of this roadway was studied using FLAC3D numerical simulation method. The vertical stresses at the bottom of the stope, near the wall, and the horizontal stresses on the drive were measured using earth pressure cells. Retained gob-side gateroad (RGSG) is proposed to resolve these problems by eliminating the large coal pillars and extracting gas simultaneously. A novel laboratory apparatus was developed where a cylindrical container with a horizontal drive, filled with dry hydraulic fill, was loaded by the MTS machine. The object of this paper is to discuss some laboratory model tests carried out at James Cook University laboratory to investigate the stresses within drives. It is designed to accommodate any kind of geotechnical engineering project that. FLAC 3D is used for analysis, testing, and design by geotechnical, civil, and mining engineers.
#Abs in flac3d software#
Note these are a mix of FLAC3D-specific commands (at right) and commands that are also commonly used by PFC and 3DEC (at left). FLAC 3D, Fast Lagrangian Analysis of Continua in 3D, is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support. Discontinuities have an important influence on the deformational behavior of rock systems hence, proper. The main commands used by FLAC3D are encapsulated on the list below. Friction angle, normal stiffness, shear stiffness and shear displacement are the parameters analyzed with respect to shear strength of rock joints.
For a dynamic solution, FLAC3D uses real grid-point masses. For static analysis, additional damping and mass scaling are introduced to facilitate the process of approaching the static equilibrium.
#Abs in flac3d full#
FLAC3D uses the full equations of motion in its solution process. Proper understanding of the loading on the barricades is necessary to design them with confidence, thus ensuring safe mining practices. The research investigation is conducted to perform an analysis of sensitivity of parameters affecting the strength of joints in rock mass. FLAC3D will provide a fully non-linear and path-dependent solution in time domain. Failure of the barricades can be catastrophic and several accidents have been reported in Australia and worldwide that have resulted in fatalities. The post-processed tailings are directed back into the mine stopes as backfill, with barricades in place to retain the backfills. The PalaeoceneEocene Thermal Maximum 1, 2 (PETM) was a global warming event that occurred about 56 million years ago, and is commonly thought to have been driven primarily by the.
In the recent past, there has been significant growth in underground mining due to the ever increasing demand for resources and the advancement in technologies.
0 kommentar(er)
