The cutting force ratio in the report is less than 0.40 error

A

actombo

New Member
hello first of all. The floor plan of my project
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is as in the photo. As a result of the analysis, it gave a single error
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I did some research, I could solve the problem by adding curtains to the system, I haven't tried it yet. (I don't want to change the system's R. How else can I solve this problem?
 
Hello, 2.5.4.1 (a) Frames and shears will be considered together in the earthquake calculation of such mixed systems, but alphaS => 0.40 will be in each earthquake direction. According to article 2.5.4.1.(a) of the earthquake code, the curtain ratio in your project is insufficient. You can continue by choosing a high ductility level or you can add a curtain to your project to provide the ratio of alphaS => 0.40.
 
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