????? ??????? Earthquake Engineering

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????? ???????Earthquake Engineering
General Consideration For Earthquake
Engineering Elements of Structural Dynamics
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????????? Introduction

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(a)
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(b)
(c)
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(e)
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???? ????? ?????? ??????? ??? ???????Mechanism
of Earthquakes

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  Epicenter Distance
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  a 1.6 - 1.7 m/s2
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  a 2.2 m/s2
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  a 1.1 - 1.2 m/s2
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• a 3 - 3.3 m/s
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Earth Science Seismic Eng. Center
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????? ?????????? ?????????Elements of Structural
Dynamics

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Earth Science Seismic Eng. Center
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????? ??????? ?????? ???????? ???????????

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• Concentrated Masses Method
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• General Deformations Method
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• Finite Elements Method

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Different mode shapes of a structure