- Tytuł:
- Simulation of stress paths derived from FEM analysis in triaxial tests
- Autorzy:
- Kowalska, M.
- Powiązania:
- https://bibliotekanauki.pl/articles/230288.pdf
- Data publikacji:
- 2013
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
badanie laboratoryjne
modelowanie numeryczne
ścieżka naprężenia
badanie trójosiowe
laboratory test
numerical modelling
stress path
triaxial test - Opis:
- Reliable estimation of geotechnical parameters is often based on reconstruction of a complete loading process of subsoil on a specimen in laboratory tests. Unfortunately laboratory equipment available in many laboratories is sometimes limited to just a triaxial apparatus - the use of which generates difficulties whenever a non-axisymmetric problem is analysed. The author suggests two simple operations that may be done to improve the quality of simulation in triaxial tests. The first one is based on the use of triaxial extension along the segments of the stress path p’-q-θ for which the Lode’s angle values are positive. The second one consists in a modification of the equivalent stress value in such a way that the current stress level in the specimen complies with results of FEM analysis.
- Źródło:
-
Archives of Civil Engineering; 2013, 59, 1; 119-129
1230-2945 - Pojawia się w:
- Archives of Civil Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł