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1 Buckling Restrained Brace 2 Shape Memory Alloy Brace 3 Open System for Earthquake Engineering Simulation 4 Federal Emergency Management Agency
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FEMASAC][
T=0.6 secT=4.0 sec
UBC97
UBC97
.
0
0.5
1
1.5
2
2.5
0 0.5 1 1.5 2 2.5 3 3.5 4
Period(sec)
Sa(g
)
LA02
LA05
LA09
LA11
LA13
LA16
LA18
UBC97
Average
UBC97
OpenSees
FEMA356][
Nippon SteelJIS SN400B
Fysc=41.1 ksi=2892 kg/cm2
OpenSees(Fiber)
steel01
nonlinearBeamColumn][
No. SAC Name Year Earthquake MW Station Dist. , km PGA , g
1 LA02 1940 Imperial-Valley 6.9 El Centro 10 0.68
2 LA05 1979 Imperial-Valley 6.5 Array#06 1.2 0.30
3 LA09 1992 Landers 7.3 Yermo 25 0.52
4 LA11 1989 Loma Prieta 7 Gilroy 12 0.67
5 LA13 1994 Northridge 6.7 Newhall 6.7 0.68
6 LA16 1994 Northridge 6.7 Rinaldi RS 7.5 0.58
7 LA18 1994 Northridge 6.7 Sylmar 6.4 0.82
P-
][SMA
story ABRBdi , cm2 ABRBch , cm2 ASMAdi , cm2 ASMAch , cm2 LSMAdi , cm LSMAch , cm
1 58.43 30.06 48.28 28.81 75.15 50.33
2,3 58.43 30.06 48.28 28.81 70.23 42.64
4,5,6 49.23 22.35 40.67 21.42 70.23 42.64
7,8,9 40.45 17.44 33.42 16.72 70.23 42.64
maxL.S.MRF
BRB D.BRB Ch.SMA D.
SMA Ch.
maxL.S.
BRBSMAB
BRBSMASMA
SMABRB
BRBSMABLanders
BRBSMAB
BRBBRBSMAB
BRBSMAB
BRB
BRB
BRBSMAB
BRB
1. Federal Emergency Management Agency, (2000), State of the Art Report on Connection Performance , Report no. FEMA 355D.
2. Uang C.M., Nakashima M., Bozorgnia Y. and Bertero V.V., (2003), Steel buckling-restrained frames , CRC Press, [chapter 16].
3. Otsuka K. and Wayman CM., (1998), Shape Memory Materials , Cambridge University Press.
[4]
5. Cai C. S., Wu W., Chen S. and Voyiadjis G., (2003), Applications of Smart Materials in Structural Engineering , LTRC Project No. 02-4TIRE.
6. McCormick J., (2005), Seismic Performance of a Concentrically Braced Frame with an Innovative Bracing System , Submitted In Fulfillment Of the Requirements of The CBE Institute.
7. Di Sarno L. and Elnashai A.S., (2009), Bracing systems for seismic retrofitting of steel frames , Journal of Constructional Steel Research.
8. Federal Emergency Management Agency, (2000), State of the Art Report on Systems Performance of Steel Moment Frames Subject to Earthquake Ground Shaking , Report no. FEMA 355C.
9. Federal Emergency Management Agency, (2000), Prestandard and Commentary for the Seismic Rehabilitation of Buildings , Report no. FEMA356.
10. Mazzoni S., McKenna F., Scott M., Fenves G., and e. al, (2007), OpenSees Command Language Manual , College of Engineering, University of California, Berkeley,.
11. Black C., Makris N. and Aiken I., (2002), Component Testing, Stability Analysis and Characterization of Buckling-Restrained Unbonded Braces , Pacific Earthquake Engineering Research Center.
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