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The Design of Deep Cut Securing
Štainerová, Lenka ; Boštík, Jiří (referee) ; Glisníková, Věra (advisor)
The aim is to design economical and above all safe securing a deep notch, both in the construction phase and throughout the use of the building. In the first part of the thesis Background research will be given an idea of the construction of the geotechnical point of view. The second part will contain the geotechnical design calculation. The third part will be proposed safety recommendations in terms of geotechnical monitoring.
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Prediction of foundation settlement of high-rise building using the finite element method
Červenka, Jan ; Dobrovolský, Ján (referee) ; Chalmovský, Juraj (advisor)
The focus of this thesis is to deal with reverse engineering of high-rise building settlements. This is modeled via the finite element method performed in the Plaxis 3D program. In the first part of this thesis, a calibration of input parameters of an appropriate material model – Hardening soil – is conducted. This calibration is a result of oedometric test data which were obtained within a geotechnical survey. An influence of soils over consolidation affecting calibration and the material model choice is described. Final values of reference stiffness parameters are used in a mathematical model of the focused area. This model is created for one half of the high-rise building plan, including vestibule. The high-rise building is founded in a foundation pit. The foundations of this building consist of raft foundation and piles of jet grouting. In the model, there are also changes in pore pressure during an excavation of foundation pit included. The functional model is used for parametric analyses, namely examining cases of object´s foundations and the possible influence of foundation pit´s symmetry on the object´s settlement. All the calculated processes in the object´s settlements are then compared to data obtained from geotechnical monitoring of the structure.
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Prediction of foundation settlement of high-rise building using the finite element method
Červenka, Jan ; Dobrovolský, Ján (referee) ; Chalmovský, Juraj (advisor)
The focus of this thesis is to deal with reverse engineering of high-rise building settlements. This is modeled via the finite element method performed in the Plaxis 3D program. In the first part of this thesis, a calibration of input parameters of an appropriate material model – Hardening soil – is conducted. This calibration is a result of oedometric test data which were obtained within a geotechnical survey. An influence of soils over consolidation affecting calibration and the material model choice is described. Final values of reference stiffness parameters are used in a mathematical model of the focused area. This model is created for one half of the high-rise building plan, including vestibule. The high-rise building is founded in a foundation pit. The foundations of this building consist of raft foundation and piles of jet grouting. In the model, there are also changes in pore pressure during an excavation of foundation pit included. The functional model is used for parametric analyses, namely examining cases of object´s foundations and the possible influence of foundation pit´s symmetry on the object´s settlement. All the calculated processes in the object´s settlements are then compared to data obtained from geotechnical monitoring of the structure.
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Monitoring of settlement in road constructions
Karlín, Petr ; Novotný, Jan (advisor) ; Kresta, František (referee)
This thesis considers some issues regarding geotechnical monitoring of settlement of subsoils on roads, highways in the Czech Republic. The first part try to explain process of construction embankments with following standards and prescriptions. Second part belongs to geotechnical monitoring of settlement of subsoils, where author had selected 7 measuring profiles for further work on archive exploration. From these exploration were excluded information about exact location. Third part is creation of 9 geotechnical models in 2D - Plaxis software, comparison with real data and short part about using this kind of work for practice use.
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The Design of Deep Cut Securing
Štainerová, Lenka ; Boštík, Jiří (referee) ; Glisníková, Věra (advisor)
The aim is to design economical and above all safe securing a deep notch, both in the construction phase and throughout the use of the building. In the first part of the thesis Background research will be given an idea of the construction of the geotechnical point of view. The second part will contain the geotechnical design calculation. The third part will be proposed safety recommendations in terms of geotechnical monitoring.
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