Sac 3 story building

kgk

kgm

kgm

kgm

kgm

1551

2507

2985

1000

27.1

783000~3

2

1

3

1

517000

478000

478000

3

2

1

Sac 3 story building

• El-centro scaled by 2.0 (500 year event)

• H=11.7m• Design criteria

041.1

0585.200

1

max

max3max

qS

muq

d

γ

Sac3 story building

• Design criteria

2 damping ratios ( .05 and .20 )

m

smNc

ccccmc

av

av

*)698.4(

3

1)(

9

1~2~321

ξω

ξω

Scaled El-Centro (SF=2)

Spectral displ for scaled El-Centro

Properties for .05 damping

• T=.36s 44.17ω

mSNc

mNk

av /*10*093.4

/

471

761

907

10

6

6

Damping = .05

Damping = .05

Damping = .05

Damping = .05

Properties for .20 damping

• T=.47s

mSNc

mNk

srad

av /*10*55.12

/

277

446

533

10

/36.13

6

6

ω