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Steel interior staircase in the polytechnical building in Bratislava
Redecha, Martin ; Horáček, Martin (referee) ; Pešek, Ondřej (advisor)
The subject of the bachelor thesis is the design and assessment of the supporting steel structure of the staircase in the multifunctional building in Bratislava. The staircase is located in the entrance atrium in an open space between the 1st floor to 3NP with a total height difference of 6850 mm floors. The approximate ground plan dimensions of the staircase construction are 5500 x 5100 mm. The construction of the staircase was designed from enclosed SHS 50x4 steel profiles in steel S355 J2. The construction system represents truss beams of various shapes that are connected to each other by horizontal and oblique dams. All rods are from the profile. Anchoring is rebuilt by anchor plates with a thickness of 15 mm with 4 chemical anchors and threaded rods M12, 8.8. The static calculation was the program by RFEM 6.06. Subsequently, manual calculation and assessment of the most stressed rods were made by internal forces and design and calculation of anchoring. The C-Fix Online program 1.1.58.1 Fischer was also used to design chemical anchors.

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