Abstract
This study adopted the biconcave bond model of DEM (Discrete element method) to investigate the mechanical behavior of sandstone. The biconcave bond model is capable of simulating the cementation between non-contact grains of sandstone with high porosity. It also links the micro parameters and macro material properties. The biconcave bond model incorporated with grain-matrix structure was used to investigate the influence of grain and matrix on sandstone behavior. The simulation shows that the stress-strain curves fit experiment result well. In addition, the sensitivity analysis of GAR (Grain area ratio) and porosity shows that the simulation of UCS and Young’s modulus agree well with the empirical equation.
| Original language | English |
|---|---|
| Title of host publication | New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures - Proceedings of the 5th GeoChina International Conference 2018 – Civil Infrastructures Confronting Severe Weathers and Climate Changes |
| Subtitle of host publication | From Failure to Sustainability, 2018 in HangZhou, China |
| Editors | Hadi Khabbaz, Heejung Youn, Mounir Bouassida |
| Publisher | Springer Science and Business Media B.V. |
| Pages | 38-50 |
| Number of pages | 13 |
| ISBN (Print) | 9783319957708 |
| DOIs | |
| State | Published - 2019 |
| Event | 5th GeoChina International Conference on Civil Infrastructures Confronting Severe Weathers and Climate Changes: From Failure to Sustainability, 2018 - HangZhou, China Duration: 23 Jul 2018 → 25 Jul 2018 |
Publication series
| Name | Sustainable Civil Infrastructures |
|---|---|
| ISSN (Print) | 2366-3405 |
| ISSN (Electronic) | 2366-3413 |
Conference
| Conference | 5th GeoChina International Conference on Civil Infrastructures Confronting Severe Weathers and Climate Changes: From Failure to Sustainability, 2018 |
|---|---|
| Country/Territory | China |
| City | HangZhou |
| Period | 23/07/18 → 25/07/18 |
Bibliographical note
Publisher Copyright:© 2019, Springer International Publishing AG, part of Springer Nature.
Keywords
- Discrete Element Method (DEM)
- Linear Contact Model
- Sandstone Model
- Sandstone Properties
- Uniaxial Compressive Strength (UCS)
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