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Nirvana

question on an example of all-in-one

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example 116.4 seismic load.

Why using n=43.5/h^(1/9) to obtain the first period (1/n), not using T=Ch^x? The results from the two equations are quite a bit, one is 0.85 and the other is 0.5x.

The former equation is mentioned in wind load, which has some more limitations, such as the height of building and wind direction.

Ex. 116.4 part 1.PNG

Ex. 116.4 part 2.PNG

Edited by Nirvana
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On 10/5/2018 at 9:39 PM, Hemi79 said:

IT would help if you can post the question, I don't have the all in one with me. are you referring to the natural frequency? or natural period? 

first time pasted attachement, hope it works.

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