Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 334-343 |
| Seitenumfang | 10 |
| Fachzeitschrift | Geotechnical testing journal |
| Jahrgang | 31 |
| Ausgabenummer | 4 |
| Publikationsstatus | Veröffentlicht - Juli 2008 |
Abstract
The earth pressure acting on buried pipes is decisive for the pipe design. For pipes shifting in the ground, such as district heating pipes, which are subjected to cyclic temperature loading, the mobilizable friction force, which is also dependent on the earth pressure load, is a very important quantity. Friction force changes with cyclic axial displacement of a pipeline in operation. A special testing device was designed to investigate the friction forces and the normal pressures on a pipe buried in sand and how these change during cyclic axial displacement dependent on system and soil parameters. The experimental setup is presented, and in particular the application of the tactile pressure sensor, the special measuring technique used, is described. The dependence of the decrease in friction force on pipe diameter, soil overburden height, and relative density of the soil was investigated in the tests. The results are presented and the findings are discussed.
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- Erdkunde und Planetologie (insg.)
- Geotechnik und Ingenieurgeologie
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in: Geotechnical testing journal, Jahrgang 31, Nr. 4, 07.2008, S. 334-343.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Measurement of normal pressures and friction forces acting on buried pipes subjected to cyclic axial displacements in laboratory experiments
AU - Weidlich, I.
AU - Achmus, M.
PY - 2008/7
Y1 - 2008/7
N2 - The earth pressure acting on buried pipes is decisive for the pipe design. For pipes shifting in the ground, such as district heating pipes, which are subjected to cyclic temperature loading, the mobilizable friction force, which is also dependent on the earth pressure load, is a very important quantity. Friction force changes with cyclic axial displacement of a pipeline in operation. A special testing device was designed to investigate the friction forces and the normal pressures on a pipe buried in sand and how these change during cyclic axial displacement dependent on system and soil parameters. The experimental setup is presented, and in particular the application of the tactile pressure sensor, the special measuring technique used, is described. The dependence of the decrease in friction force on pipe diameter, soil overburden height, and relative density of the soil was investigated in the tests. The results are presented and the findings are discussed.
AB - The earth pressure acting on buried pipes is decisive for the pipe design. For pipes shifting in the ground, such as district heating pipes, which are subjected to cyclic temperature loading, the mobilizable friction force, which is also dependent on the earth pressure load, is a very important quantity. Friction force changes with cyclic axial displacement of a pipeline in operation. A special testing device was designed to investigate the friction forces and the normal pressures on a pipe buried in sand and how these change during cyclic axial displacement dependent on system and soil parameters. The experimental setup is presented, and in particular the application of the tactile pressure sensor, the special measuring technique used, is described. The dependence of the decrease in friction force on pipe diameter, soil overburden height, and relative density of the soil was investigated in the tests. The results are presented and the findings are discussed.
KW - Earth pressure
KW - Friction force
KW - Pipe
KW - Sensor foil
KW - Soil pipe interaction
KW - Stress distribution
KW - Tactile pressure sensor
UR - http://www.scopus.com/inward/record.url?scp=54949127221&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:54949127221
VL - 31
SP - 334
EP - 343
JO - Geotechnical testing journal
JF - Geotechnical testing journal
SN - 0149-6115
IS - 4
ER -