Ponašanje krutog bloka na uniformnom pijesku uslijed horizontalnog ubrzanja podloge
2020
This undergrad thesis presents an analysis of the influence of soil and ground acceleration
on the behaviour of the rigid block. Thus, the mechanism of behaviour of the
rigid foundation, which will be simulated using an aluminum block, during the dynamic
load on the soil on which the foundation or block is placed, will be monitored.
Displacements of the block at a point in the middle of the base of the block will be measured
in laboratory experiments in two mutually perpendicular directions (horizontal
and vertical). The behaviour of the block was also analysed using the computer program
Rocscience RS2 and with laboratory experiments in the Laboratory for Structures
Engineering of the Faculty of Civil Engineering, University of Rijeka. The behaviour
of a rigid block on uniformly graduated sand, relative density Dr = 50%, was analysed.
The tests were performed on a block that has a significant height versus width. The
block will be subjected to different dynamic loads that differ according to the frequency
f and the amplitude A, while the five most critical ones will be taken into account in
more detailed manner. The behaviour of the block in the experiments will be performed
in dry conditions. As the stability of the block is mostly influenced by the bearing capacity
of the soil, the mechanism of soil failure and bearing capacity factors that have the
greatest contribution to the bearing capacity of the soil in static and dynamic conditions
will be theoretically discussed.
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