Identification of Soil Models by Simulation of Ground Anchor Tests, Using FEM
Tomme: LIX (LXIII) Fascicle: 4 | 2013
Pages: 145-156
Abstract text:
Several types of soil models have been developed during time in order to simulate the soil behavior in finite element (FEM) analysis, so choosing the right soil model has a great importance on results. This study presents a method to establish the most suitable soil model used in FEM in order to calculate a temporary anchored retaining structure, method which is based on field tests. The test fields are simulated with FEM and are used several types of soil models, taken into consideration the time factor too, resulting the displacement of the fixed length of a ground anchor for each type of soil model. The measured displacement of the tested ground anchor is then compared with the obtained displacements and the closest value decides the type of soil model. Were simulated two tested ground anchors, one in cohesive soil and the other one in non-cohesive soil. This study can be helpful in generally by using the presented method in order to determine the right model type of soil and in particular by using the results for the two ground anchors analyzed.
Key Words:
fixed length; test field; soil model; displacement.
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