Abstract
The stress/strain state of reinforcement concrete walls and foundation plate of a storage facility in the seaport of Klaipeda (Lithuania, the EU) is investigated, considering the distribution of loads from stored bulk materials. At the first, a simple test problem has been calculated: reinforcement slab 21´35 m in plane on 24 columns, which are located by a regular step. During creating the combinations of all 15 possible loadings of each „cell“, increased internal forces and reinforcement results to +20 % have been obtained. Next, a storage facility of bulk materials with dimensions 36´120 m in plane has been considered, when expected 16 loadings, 1/4 for each of four storage sectors, has been used in the FEM model. The results of the comparison with the ordinary calculation, in which each of sectors could be fully filled or be empty, have presented. The investigation results can be used for developing of industrial recommendations for the designing of storage facilities.
Highlights
In seaports, storage facilities are an important stage in logistics (Fig. 1)
When loads of bulk materials are being chosen for the designing a storage facility, maximal loadings are commonly being considered
The foundation plate and walls of this storage facility were made of monolithic reinforcement concrete
Summary
Storage facilities are an important stage in logistics (Fig. 1). The existing buildings on a port territory are being reconstructed and new storage areas are being built [1]. As practice shows, when a calculation model is being created and extreme combinations of loadings are being selected, the possibility of partial filling of storage sectors for the whole facility often are not being taken into account by architects and structural designers. The selection of operational load distribution cases depends on the technical specifications and experience of a structural designer, because design codes specify only maximal values of loads and set general rules for the performing analysis. The presented investigation allows to compare the results from a more exact analysis with the ones achieved from ordinary design calculations Such methodology can be used for developing of industrial recommendations for the storage facility design. This research continues the idea of previously published papers on the investigation of the influence of various practical factors on calculation models, which were created while designing real buildings [7,8,9]
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