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Sargsjan Akop Egishovich -
Atomenergoproekt Research, Design and Exploration Institute, Joint Stock Company (JSC AEP)
Doctor of Technical Sciences, Professor, Head of of Department of Dynamics and Earthquake Resistance
8 (495) 315-91-74, Atomenergoproekt Research, Design and Exploration Institute, Joint Stock Company (JSC AEP), , 7 Bakuninskaja St., Moscow, 105005, Russia;
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Gukova Elena Gennadievna -
Atomenergoproekt Research, Design and Exploration Institute, Joint Stock Company (JSC AEP)
Leading Researcher, Department of Dynamics and Earthquake Resistance
8 (495) 315-91-74, Atomenergoproekt Research, Design and Exploration Institute, Joint Stock Company (JSC AEP), 7 Bakuninskaja St., Moscow, 105005, Russia;
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Shaposhnikov Nikolaj Nikolaevich -
Moscow State University of Railway Engineering (MSURE)
Candidate of Technical Sciences, Associated Member of the Russian Academy of Architecture and Civil Engineering Sciences, Professor, Department of Computer-aided Design of Transportation-related Structures and Buildings, Moscow State University of Railway Engineering (MSURE), 9 Obrazcova St., Moscow, 127994, Russia;
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The artcle presents a dymanic model of a base of a structure that takes account of interal properties of soils. The properties in question are an important factor to be taken into account in the course of analysing structures together with the bases subjected to dynamic loads.
The article describes the motion of the construction foundation slab as a rigid body with six degrees of freedom on the surface of the inertial linearly deformable semi-space. The dynamic mechanical model of the base is presented as six pairs of parallel-connected springs and dampers that characterize the rigidity of the base subjected to ultimate forces (three forces alongside the axes and three moments in relation to the axes).
DOI: 10.22227/1997-0935.2012.2.66 - 66
References
- Sargsjan A.E., Gukova E.G., Grishin A.S. Razrabotka i obosnovanie primenimosti dinamicheskoj mehanicheskoj modeli osnovanija sooruzhenija v vide odnorodnogo inercionnogo poluprostranstva [Development and Justification of Applicability of the Dynamic Mechanical Model of the Base Structure as a Homogeneous Inertial Half-space]. Sbornik trudov OAO «Atomjenergoproekt». [Proceedings of "AEP"]. Issue # 11, Moscow, 2011, pp. 54—63.
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Tat’yannikov Daniil Andreevich -
Perm National Research Polytechnic University (PNRPU)
Assistant Lecturer, Department of Construction Operations and Geotechnology, Perm National Research Polytechnic University (PNRPU), 29 Komsomol’skiy prospekt, Perm, 614990, Russian Federation;
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Ponomarev Andrey Budimirovich -
Perm National Research Polytechnic University (PNRPU)
Doctor of Technical Sciences, Professor, chair, Department of Construction Operations and Geotechnology, Perm National Research Polytechnic University (PNRPU), 29 Komsomol’skiy prospekt, Perm, 614990, Russian Federation;
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The wide use of reinforced foundation pads is complicated because of the absence of technical rules and regulations on design of such structures. It is necessary to investigate the main parameters and regularities of such structures operation under loading. For this aim numerical study of the foundation was carried out, the parameters of which were improved by reinforced foundation pad. The numerical modeling of reinforced foundation pads was carried out in the Plaxis 2D for study of the basic laws and operating parameters and for determination of the application area of these structures. The main goal of this study was to establish the optimal structures of reinforced foundation pads. This goal was achieved by solving the following tasks: determination of the optimal parameters of reinforced foundation pads; study of the stress-strain state of reinforced foundation pads and a soft base; estimation of the load, at which the ultimate settlement is achieved for all types of reinforced foundation pads. It was concluded that the lower reinforcement separating layer allows increasing the loading of the foundation. The typical and optimal reinforcement spacing were specified and analyzed.
DOI: 10.22227/1997-0935.2016.11.21-31