Details
| Original language | English |
|---|---|
| Title of host publication | Scour and Erosion |
| Pages | 599-608 |
| Number of pages | 10 |
| Edition | 210 GSP |
| Publication status | Published - 26 Apr 2012 |
| Event | 5th International Conference on Scour and Erosion - San Francisco, CA, United States Duration: 7 Nov 2010 → 10 Nov 2010 |
Publication series
| Name | Geotechnical Special Publication |
|---|---|
| Number | 210 GSP |
| ISSN (Print) | 0895-0563 |
Abstract
The presence of unstable soils, i.e. soils in which suffusion can arise, is a potential risk to structures under which seepage occurs. It is therefore necessary to clearly identify unstable soils and to estimate hydraulic gradients at which erosion may start. An experimental study was carried out to quantify critical hydraulic gradients of unstable soils with respect to vertical upward and horizontal flow. It was found that critical gradients for unstable soils lie in the range of 0.2 both for vertical and horizontal flow, with a small dependence on the relative density. For nearly stable soils a strong effect of the relative density on the critical hydraulic gradients was found. Also, the "more stable" a soil is, the greater the difference of critical gradients for vertical and horizontal flow. The obtained results are compared to the results of other researchers.
ASJC Scopus subject areas
- Engineering(all)
- Civil and Structural Engineering
- Engineering(all)
- Architecture
- Engineering(all)
- Building and Construction
- Earth and Planetary Sciences(all)
- Geotechnical Engineering and Engineering Geology
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Scour and Erosion. 210 GSP. ed. 2012. p. 599-608 (Geotechnical Special Publication; No. 210 GSP).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Experimental investigation of critical hydraulic gradients for unstable soils
AU - Ahlinhan, M. F.
AU - Achmus, M.
PY - 2012/4/26
Y1 - 2012/4/26
N2 - The presence of unstable soils, i.e. soils in which suffusion can arise, is a potential risk to structures under which seepage occurs. It is therefore necessary to clearly identify unstable soils and to estimate hydraulic gradients at which erosion may start. An experimental study was carried out to quantify critical hydraulic gradients of unstable soils with respect to vertical upward and horizontal flow. It was found that critical gradients for unstable soils lie in the range of 0.2 both for vertical and horizontal flow, with a small dependence on the relative density. For nearly stable soils a strong effect of the relative density on the critical hydraulic gradients was found. Also, the "more stable" a soil is, the greater the difference of critical gradients for vertical and horizontal flow. The obtained results are compared to the results of other researchers.
AB - The presence of unstable soils, i.e. soils in which suffusion can arise, is a potential risk to structures under which seepage occurs. It is therefore necessary to clearly identify unstable soils and to estimate hydraulic gradients at which erosion may start. An experimental study was carried out to quantify critical hydraulic gradients of unstable soils with respect to vertical upward and horizontal flow. It was found that critical gradients for unstable soils lie in the range of 0.2 both for vertical and horizontal flow, with a small dependence on the relative density. For nearly stable soils a strong effect of the relative density on the critical hydraulic gradients was found. Also, the "more stable" a soil is, the greater the difference of critical gradients for vertical and horizontal flow. The obtained results are compared to the results of other researchers.
UR - http://www.scopus.com/inward/record.url?scp=84890924433&partnerID=8YFLogxK
U2 - 10.1061/41147(392)58
DO - 10.1061/41147(392)58
M3 - Conference contribution
AN - SCOPUS:84890924433
SN - 9780784411476
T3 - Geotechnical Special Publication
SP - 599
EP - 608
BT - Scour and Erosion
T2 - 5th International Conference on Scour and Erosion
Y2 - 7 November 2010 through 10 November 2010
ER -