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creteorsometimessteelisi
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Figure32I
filledframeWhe
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i
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i
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creteframes3ShearWallsAshearwallisaverticalstructuraleleme
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9a
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ei
asimpleo
estoreybuildi
ga
da
otheri
amultistoreybuildi
gI
Figure33atheshearwallsareorie
tedi
o
edirectio
soo
lylateralforcesi
thisdirectio
ca
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sferthemtotheshearwalls
faE
dshearwallsa
di
teriorshearwallbI
teriorshearwallsforbraci
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Figure33ShearwallFigure33aalsoshowsa
importa
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particulara
dverticaleleme
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ge
eralThisistheaspectofsymmetrythathasabeari
go
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aleffectswillbeproducedTheshearwallsi
Figure33ashowtheshearwallssymmetricali
thepla
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gFigure33billustratesacommo
useofshearwallsatthei
teriorofamultistoreybuildi
gBecausewallse
closi
gstairwayselevatorshaftsa
dmecha
icalchasesaremostlysolida
dru
thee
tireheightofthebuildi
gtheyareofte
usedforshearwallsAlthough
otasefficie
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tofviewi
teriorshearwallsdoleavetheexteriorofthebuildi
gope
forwi
dowsNoticethati
Figure33bthereareshearwallsi
bothdirectio
swhichisamorerealisticsituatio
becausebothwi
da
dearthquakeforces
eedtoberesistedi
bothdirectio
sI
thisdiagramthetwoshearwallsaresymmetricali
o
edirectio
butthesi
gleshearwallproducesa
o
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ditio
i
theothersi
ceitisoffce
terShearwallsdo
ot
eedtobesymmetricali
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gbutsymmetryispreferredtoavoidtorsio
aleffectsIfi
lowtomediumrisebuildi
gshearwallsarecombi
edwithframesitisreaso
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