Dynamic pore-pressure fluctuations in rapidly shearing granular materials
Science
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Abstract
Results from two types of experiments show that intergranular pore pressures fluctuated dynamically during rapid, steady shear deformation of water-saturated granular materials. During some fluctuations, the pore water locally supported all normal and shear stresses, while grain-contact stresses transiently fell to zero. Fluctuations also propagated outward from the shear zone; this process modifies grain-contact stresses in adjacent areas and potentially instigates shear-zone growth.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Dynamic pore-pressure fluctuations in rapidly shearing granular materials |
| Series title | Science |
| DOI | 10.1126/science.246.4931.796 |
| Volume | 246 |
| Issue | 4831 |
| Year Published | 1989 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Publisher location | Washington, D.C. |
| Contributing office(s) | Volcano Hazards Program |
| Description | 4 p. |
| First page | 796 |
| Last page | 799 |
| Google Analytic Metrics | Metrics page |