Abstract
During constructing of lifting-up engineering of Humanity Hall of Nanjing Museum, the sizes of steel lifting supports, loads distribution and lifting force changes were surveyed, which controls the safety of Lifting-up engineering. By establishing limit state function of H-shaped steel lifting support, based on those data, the reliability of lifting supports at three states of design, weighing after columns cut and lifting process was calculated respectively using checking point method. Results shows: the reliability in constructing process of building reconstruct engineering is lower than that of general engineering because more difficulty in construction, and in lifting process the time-dependent reliability of KZ1 is lower 63.1% than design reliability.
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