Proposed Nonstructural Seismic Design Force Equations

Post on 15-Apr-2022

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Transcript of Proposed Nonstructural Seismic Design Force Equations

300

( )( )= + •

••• μ••

•••• μ••

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= + +

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Tcomp (s)0 0.5 1 1.5 2

PCA/

PFA

0

1

2

3

4

5

6

784%50%16%

Tcomp/ Tbldg

0 0.5 1 1.5 2

PCA/

PFA

0

1

2

3

4

5

6

784%50%16%

0 0.5 1 1.5 2 2.5 30.8

1

1.2

1.4

1.6

1.8

2

2.2

Tcomp/Tbldg

PCA(

μ com

p=1,β

com

p) / P

CA(

μ com

p=1,5

%)

βcomp=1%

βcomp=2%

βcomp=3%

βcomp=5%

βcomp=7%

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0 0.5 1 1.5 2 2.5 30

1

2

3

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5

6

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8

Tcomp / Tbldg

PCA

/ PFA

μ=1μ=1.25μ=1.5μ=2μ=3

308

μ

= × × ×

= + +

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310

Tcomp/TIDbldg

PCA/

PFA

0 0.5 1 1.5 2 2.5 30

1

2

3

4

5

6

7mean16%50%84%

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•oo

•oo

o

o

o

•o

o

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