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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Prediction of load-displacement behaviour of large diameter piles using the finite element method
 Dvořák, Tomáš ; Miča, Lumír (referee) ; Chalmovský, Juraj (advisor)
The master thesis deals with the inverse analysis of instrumented load tests of bored piles in cohesionless and cohesive soils. Evaluations of the detailed monitoring are compared with the results of inverse analyses. Inverse analyses are preformed using the finite element method with an advanced material model considering the higher stiffness within very small strains in PLAXIS and alternatively using the load-transfer method in PMpLTO. The difference of pile-soil interaction in different soil types is discussed and the difference in the process of shaft friction mobilization is also evaluated. In cohesionless soils values of shaft friction are many times higher due to the increment of radial stress which is caused by effect of constraint dilatancy in shear zone at pile-soil interface.
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