One-way stiffness

E

endezyarSG

New Member
Hello, in my project, there are panels in both directions on the basement floor, I marked the Rigid-X and Rigid-Y options. On the ground floor, there are only 3 panels on one side in the y direction, should I mark only the Rigid-Y option on the ground floor or should I leave it blank? Thank you for your answers..
 
The new regulation says that if a rigid floor is to be accepted, the outer curtains or basement curtains should rotate in at least three directions. In other words, the horizontal stiffness of the floor that is considered rigid should be significantly higher than the horizontal stiffness of the floor that is not considered rigid (the floor displacement should differ by at least half).
 
Thank you for your answer. Well, one-way rigid should be selected for curtains in one direction, and are elevator curtains included in this scope?
 
In cases where you are undecided, solve your building without accepting a rigid story, check the relative floor offsets, if the ratio between the floor to be considered rigid and the effective story drifts (Dimax/h) of the floor above it is less than half, it is appropriate to make the assumption of rigid. This recommendation is not based on any generally accepted rule, it is my recommendation based on personal experience. The rule in the new regulation is in article 3.3.1.1.
 
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