Cracked Section Rigidity Reduction

G

ganymede

New Member
Do we make a negative change when we make a reduction by interfering with the Stiffness Reduction factors other than the program's automatic control on the beams connected to the shear wall or from the shear to the column on the model? How will the general behavior of the beam and the structure be affected? Also, if we make this reduction under both earthquake and vertical loads, we will be entering wrong data. I couldn't find any clear information on this topic in the forum.
 
When you apply a stiffness reduction, the period of your system will increase slightly in proportion to the number of elements you reduce. This increase is not significant. When you reduce the stiffness of the beams mentioned, you also strengthen the vertical carriers to which these beams are attached. loss in beams is compensated by vertical carriers. Therefore, there is no loss in the entire system. There is nothing to create a negative situation. If stiffness reduction is to be applied, it must be applied to both vertical and horizontal loading. Good work... KEMAL YALVAÇ
 
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