Effect of seismic waves on the hydro-mechanical properties of fractured rock masses
| Autor: | Meysam Lak, Hamid Hashemolhoseini, Alireza Baghbanan |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Discrete fracture
Computer simulation Mechanical Engineering 0211 other engineering and technologies 02 engineering and technology Building and Construction 010502 geochemistry & geophysics Geotechnical Engineering and Engineering Geology 01 natural sciences Seismic wave Discrete element method Volumetric flow rate Permeability (earth sciences) Geotechnical engineering Boundary value problem Rock mass classification Geology 021101 geological & geomatics engineering 0105 earth and related environmental sciences Civil and Structural Engineering |
| Zdroj: | Earthquake Engineering and Engineering Vibration. 16:525-536 |
| ISSN: | 1993-503X 1671-3664 |
| DOI: | 10.1007/s11803-017-0406-9 |
| Popis: | The transmission of seismic waves in a particular region may influence the hydraulic properties of a rock mass, including permeability, which is one of the most important. To determine the effect of a seismic wave on the hydraulic behavior of a fractured rock mass, systematic numerical modeling was conducted. A number of discrete fracture network (DFN) models with a size of 20 m × 20 m were used as geometrical bases, and a discrete element method (DEM) was employed as a numerical simulation tool. Three different boundary conditions without (Type I) and with static (Type II) and dynamic (Type III) loading were performed on the models, and then their permeability was calculated. The results showed that permeability in Type III models was respectively 62.7% and 44.2% higher than in Type I and Type II models. This study indicates that seismic waves can affect deep earth, and, according to the results, seismic waves increase the permeability and change the flow rate patterns in a fractured rock mass. |
| Databáze: | OpenAIRE |
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