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pro vyhledávání: '"Lyubomir Zdravkov"'
Autor:
Lyubomir Zdravkov
Bridges are facilities that are in exploitation outdoor. Often the wind is the leading horizontal force in the transverse direction. Therefore the bridges have received the due attention in the standards for wind loading. Unfortunately, in all availa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e3f93e0bcd7438a27202893f2fb0ade
Autor:
Lyubomir Zdravkov
Publikováno v:
Lyubomir Zdravkov
The classical analytical expression for critical compression stresses in the cylindrical shells in meridional direction σx,Rcr has been written by Lorenz, Timoshenko and Southwell at the beginning of XX century. During the natural experiments with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::70a0151ab27a9346a48ca1ab168740ba
https://hdl.handle.net/20.500.12641/30372
https://hdl.handle.net/20.500.12641/30372
The weight and design speed of the railway vehicles increases in time. As a result, the values of design loads grow up. In old Bulgarian standard [1] the equivalent nosing force is prescribed as 60kN. In the present EN1991-2 [2] this value is 100kN.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d02ce1889cbb15eb9429d2b41bd3841a
Autor:
Lyubomir Zdravkov
Publikováno v:
Lyubomir Zdravkov
Fluid, stored in tank, does not have a behaviour of a solid during seismic impact. Hypothetically, the liquid response could be divided into two components - passive and active. Each of them has own natural frequencies. The standards have a various a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99436eb94aa3fda4bf2b08b3337b039e
https://doi.org/10.7546/jtam.50.20.04.02
https://doi.org/10.7546/jtam.50.20.04.02
Autor:
Mariya Pantusheva, Lyubomir Zdravkov
The safe and long service life of structures could be assured only when adequate design and construction are combined with a proper and regular maintenance. The principal objective of this paper is to identify the most common failures that may occur
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ce8ab75763068a7ca65b330b969a0c8
Autor:
Lyubomir Zdravkov
The steel silos are interesting complex facilities. In order to ensure unloading of whole amount of stored product by gravity, the steel silos are often placed on supporting frame structure. Values of stresses in the joints between the thin walled sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25a21802a410d7c3a2c1eaf68bf3030c
Autor:
Lyubomir Zdravkov
Publikováno v:
Challenge Journal of Structural Mechanics. 4:1
In order to ensure unloading of whole amount of stored product by gravity, steel silos are often placed on supporting structure. The simplest way to design these complicated facilities is to divide cylindrical shell on two parts in our minds - discre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2745cd80e3c3c037efbfe5710ef0394
https://doi.org/10.20528/cjsmec.2018.01.001
https://doi.org/10.20528/cjsmec.2018.01.001