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Verification calculation of metal structures of the building railcar depot to service the trains "Desiree" (Adler)

Object model

   Bearing structures railcar depot in axes Ab presented a beam system with runs in the axes B-D trusses with purlins. Project carcass stability in the transverse direction is achieved through the implementation of the scheme with a rigid connection with the columns and foundations hinge - with trusses. In the longitudinal direction by a device resistance of rigid blocks with inclined struts and links.

     Columns of a building in the axes B-D through, two-branch, with two-plane bezraskosnoy bars. The width of the columns on the axes of branches is 800 mm. The branches of the columns are made of I-beams with parallel edges of shelves. Lattice columns made of rolled channels. Base columns are separate for each branch. A bearing carried by a predetermined baseplate.   

     Calculated design model is shown below.

 
Fig. 1 Building railcar depot
 
Fig. 1 Building railcar depot
 
Fig. 2 Building Type railcar depot
 
Fig. 2 Building Type railcar depot
 
Fig. 3 Detail of the model
 
Fig. 4 Fragment model

Load, impact and combinations thereof

     load values ​​were set in accordance with the requirements

     1. SP 20.13330.2011 Loads and effects.

     2. SP 14.13330.2011 Construction in seismic areas

     Uploading models performed several load types: constant (own weight of the structure, coating weight) and time (the load of the weight of the equipment, the people, the stored materials and products, snow and wind loads, hydrostatic loads)

     After all the stress on individual loadings were created linear combinations of loads to which each of the loadings entered with the corresponding coefficients.

 
Fig. Scheme 5 snow load model
 
Fig. Scheme 6 wind load model

The calculation results

 
Fig. 7 equivalent stress distribution map in metal, MPa
 
Fig. 8 equivalent stress distribution map in the metal (amalgamated, volume ratio), MPa
 
Fig. 9 equivalent stress distribution map in metal, MPa
 
Fig. 10 equivalent stress distribution map in the metal (amalgamated, volume ratio), MPa
 
Fig. 11 total displacement distribution map (scale factor of 20) mm
 
Fig. 12 total displacement distribution map (scale factor of 20) mm
 
Fig. The first form 13 buckling
 
Fig. The first form 14 buckling
 
Fig. The first form 15 buckling (aggregated)
 
 
 
 
 
 
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