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Response period for a timber structure

Response period for a timber structure

Response period for a timber structure

(OP)
I have been asked to design a structure similar to a porte coche for the entry way of an auditorium.  It consists of a roof which is attached to the front of the building along one edge and supported by columns along the opposite side.  I would like to figure out the fundamental period of the structure for use in ASCE 7-02 Eqn 9.5.5.2.1-2 and Eqn 9.5.5.2.1-3 but all the values in ASCE 7-02 for estimating T are for much larger and more complicated structures.  Usually steel frames or steel and concrete.  Any ideas?

Thanks
DPA

RE: Response period for a timber structure

It will take the period of the building that it is attached to since the greater mass will govern the whole.  A flexible attachment or free standing will give different values.

RE: Response period for a timber structure

(OP)
Thanks Civilperson

dpa

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