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Floor structures composedof small reinforced concrete slabs resting on steel beams Перекрытия из мелкоразмерных железобетонных плит по металлическим балкам
The authors discuss the arrangement of supplementary floors in the rooms of a boiler house in the course of its renovation back in 1988. A structural solution contemplating supplementary floors made of small reinforced concrete slabs resting on steel beams was implemented in the course of renovation. Pursuant to the proposed design solution, reinforced concrete slabs were arranged with their ribs down and leaned upon ribs of metal beams. The findings demonstrate that small reinforced concrete slabs rest both on top and bottom ribs of metal beams. Moreover, patterns of arrangement of slabs different from the design solution were implemented. Some slab ribs looked down while others looked up. Therefore, the implemented pattern of arrangement of the above elements was different from the one specified in the design, and the difference caused different values of load that the slabs were exposed to, and the same about the pre-designed cross sections of slabs. Alteration of design solutions concerning the load produced by reinforced concrete slabs onto metal beams also caused changes in the levels of supplementary floors of the building versus the design solution. This inconsistency can cause difficulties in terms of design associated with any future reconstruction of a boiler house.The analysis of reinforced concrete slabs performed in the course of the research confirms the possibility of their arrangement according to the pattern different from the one specified in the design.
Рассмотрены конструктивные решения реконструируемых перекрытий по металлическим балкам с различным положением мелкоразмерных железобетонных плит заполнения. При выполнении авторами обследования этих перекрытий выяснилось, что отступая от проектного решения, которое определяло опирание мелкоразмерных ребристых плит на нижние полки двутавровых металлических балок ребрами вверх, при возведении перекрытий плиты укладывались на нижние и верхние полки балок, ребрами вниз и вверх. Выполненный расчет подтвердил возможность различного положения плит.
Floor structures composedof small reinforced concrete slabs resting on steel beams Перекрытия из мелкоразмерных железобетонных плит по металлическим балкам
The authors discuss the arrangement of supplementary floors in the rooms of a boiler house in the course of its renovation back in 1988. A structural solution contemplating supplementary floors made of small reinforced concrete slabs resting on steel beams was implemented in the course of renovation. Pursuant to the proposed design solution, reinforced concrete slabs were arranged with their ribs down and leaned upon ribs of metal beams. The findings demonstrate that small reinforced concrete slabs rest both on top and bottom ribs of metal beams. Moreover, patterns of arrangement of slabs different from the design solution were implemented. Some slab ribs looked down while others looked up. Therefore, the implemented pattern of arrangement of the above elements was different from the one specified in the design, and the difference caused different values of load that the slabs were exposed to, and the same about the pre-designed cross sections of slabs. Alteration of design solutions concerning the load produced by reinforced concrete slabs onto metal beams also caused changes in the levels of supplementary floors of the building versus the design solution. This inconsistency can cause difficulties in terms of design associated with any future reconstruction of a boiler house.The analysis of reinforced concrete slabs performed in the course of the research confirms the possibility of their arrangement according to the pattern different from the one specified in the design.
Рассмотрены конструктивные решения реконструируемых перекрытий по металлическим балкам с различным положением мелкоразмерных железобетонных плит заполнения. При выполнении авторами обследования этих перекрытий выяснилось, что отступая от проектного решения, которое определяло опирание мелкоразмерных ребристых плит на нижние полки двутавровых металлических балок ребрами вверх, при возведении перекрытий плиты укладывались на нижние и верхние полки балок, ребрами вниз и вверх. Выполненный расчет подтвердил возможность различного положения плит.
Floor structures composedof small reinforced concrete slabs resting on steel beams Перекрытия из мелкоразмерных железобетонных плит по металлическим балкам
Malakhova Anna Nikolaevna (author) / Balakshin Andrey Sergeevich (author)
2013
Article (Journal)
Electronic Resource
Unknown
reconstruction , small reinforced concrete slabs , metal beams , structural solutions of floors , analysis of reinforced concrete slabs , реконструкция , мелкоразмерные железобетонные плиты , металлические балки , конструктивные решения перекрытий , расчет плит , плита перекрытия , Architecture , NA1-9428 , Construction industry , HD9715-9717.5
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