State of stress in foundation structure is structure is significantly influenced by the contact stress course in the subsoil. At the Faculty of Civil Engineering VSB TU Ostrava testing device was constructed so that the phenomena could be experimentally investigated and compared with numerical models. The objective of this paper is also improving and developing the soil-structure interaction analysis based on the experimental results and finite element method (FEM).
In the paper the experiment results of deformation in foundation slab segment in interaction with subsoil are presented. Pilot measurement is carried out on original subsoil with characteristics which were tested in cooperation with geotechnics specialists. Concrete precast slab with square dimensions 500 mm and with thickness 48 mm made of plain concrete is exposed to vertical load. The tests results are compared with bending moments and deformations analysed according to subsoil models given in Eurocodes using FEM analysis.
This paper deals with the possibilities of using coupled timber-concrete structures by means a glued coupling bar. The described process of static reinforcement is particularly suitable for reconstruction of historic timber ceilings and places where it is necessary to prevent damage to non-supporting structures (e.g. ceiling, plaster, stucco decorations, etc.). The method is also employed in those cases where it is necessary to allow traffic-flow in the rooms below the reconstructed ceiling. The article describes the specific technological process that has been examined in the reconstruction of the ceiling structure of a house on Sokolska Street in Ostrava. Following experimental testing in laboratories at the Faculty of Civil Engineering VSB - TU Ostrava the technology of bonded shear bars under static reinforcement of timber ceilings was first applied and successfully tested in construction practice.
Analyses of interaction between the foundation slab and the subsoil has been developed for many years. For the determination of stress in foundation structure is needed to determine the influence of the stiffness respectively pliability of subsoil to structural internal forces, and vice versa, how the stiffness of the foundation structure affects the resulting subsidence. At the Faculty of Civil Engineering testing device was constructed so that the phenomena could be examined and then compared with numerical models.
The annex building for the alternative scene in the Puppet Theatre of Ostrava was designed and constructed as an interesting structure from raw face concrete. The size of the annex building is not so big. It is, however, distinct in terms of the shape and complexity. The annex building consists of the above-ground and underground parts and the outside amphitheatre. The above-ground part consists of a reinforced concrete monolithic structure with five floors. The façade is made from raw face concrete. The underground part comprises two underground floors and an inside amphitheatre which is connected to the outside amphitheatre. The paper describes the process and bottlenecks in the design and construction of the building which is interesting in terms of architecture and construction.
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