Abstract
The subject of the paper are existing intermediate steel/ceramic ceiling structures on four levels from "-1" to "2" in a remodelled historic department store in Wroclaw, which are reinforced with an extra concrete flooring slab cast on a trapezoidal sheet in the post-war period. The purpose of this work is to check the possibility of leaving in these reinforced brick slabs with Förster‘s clay block, ceiling structures, as part of the reconstruction of this building after 2005. The scope of work includes the diagnostics of structural elements for these floor slabs with material tests.
Highlights
The monumental, seven-storey building of Renoma” department house, formerly called “Wertheim”, was built in 1930 (Fig. 1a)
This paper presents the results of analysis of the technical condition and load-bearing capacity of these ceilings on four levels ranging from -1 to 2, which were reinforced with an additional concrete ceiling slab poured on trapezoidal sheet in the post-war period
In the case of this type of structural layering system when analysing the Ultimate Limit State (ULS) and the Serviceability Limit State (SLS) conditions, it was necessary to take into account the rectangular-shape profile of the concrete floor slab section, which means without ribs
Summary
The monumental, seven-storey building of Renoma” department house, formerly called “Wertheim”, was built in 1930 (Fig. 1a). At the end of The Second World War, on March 12, 1945, it was bombed and was being engulfed in flames for several days (Fig. 1b). It was reopened after three years in 1948, during the Regained Territories Exhibition as the largest Department Store in Poland - Fig. 2a. The first floor was put into operation in 1953. The fifth and sixth floors came into operation in 1984-1985. At the end of the 1990s, the building was privatised. In 2005-2009, the reconstruction of the building and expansion works were carried out – Fig. 2b, Fig. 3
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