外文原文
Respo
seofarei
forcedco
cretei
filledframestructuretoremovaloftwoadjace
tcolum
sMehrdadSasa
i_
Northeaster
U
iversity400S
ellE
gi
eeri
gCe
terBosto
MA02115U
itedStates
Received27Ju
e2007receivedi
revisedform26December2007accepted24Ja
uary2008
Availableo
li
e19March2008AbstractTherespo
seofHotelSa
Diegoasixstoryrei
forcedco
cretei
filledframestructureisevaluatedfollowi
gthesimulta
eousremovaloftwoadjace
texteriorcolum
sA
alyticalmodelsofthestructureusi
gtheFi
iteEleme
tMethodaswellastheAppliedEleme
tMethodareusedtocalculateglobala
dlocaldeformatio
sThea
alyticalresultsshowgoodagreeme
twithexperime
taldataThestructureresistedprogressivecollapsewithameasuredmaximumverticaldisplaceme
tofo
lyo
equarterofa
i
ch64mmDeformatio
propagatio
overtheheightofthestructurea
dthedy
amicloadredistributio
followi
gthecolum
removalareexperime
tallya
da
alyticallyevaluateda
ddescribedThediffere
cebetwee
axiala
dflexuralwavepropagatio
sisdiscussedThreedime
sio
alViere
deelframeactio
ofthetra
sversea
dlo
gitudi
alframeswiththeparticipatio
ofi
fillwallsiside
tifiedasthemajormecha
ismforredistributio
ofloadsi
thestructureTheeffectsoftwopote
tialbrittlemodesoffailurefractureofbeamsectio
swithoutte
silerei
forceme
ta
drei
forci
gbarpulloutaredescribedTherespo
seofthestructureduetoadditio
algravityloadsa
di
theabse
ceofi
fillwallsisa
alyticallyevaluatedc2008ElsevierLtdAllrightsreserved
KeywordsProgressivecollapseLoadredistributio
Loadresista
ceDy
amicrespo
seNo
li
eara
alysisBrittlefailure1I
troductio
Thepri
cipalscopeofspecificatio
sistoprovidege
eralpri
ciplesa
dcomputatio
almethodsi
ordertoverifysafetyofstructuresThe“safetyfactor”whichaccordi
gtomoder
tre
dsisi
depe
de
tofthe
aturea
dcombi
atio
ofthematerialsusedca
usuallybedefi
edastheratiobetwee
theco
ditio
sThisratioisalsoproportio
altothei
verseoftheprobabilityriskoffailureofthestructureFailurehastobeco
sidered
oto
lyasoverallcollapseofthestructurebutalsoasu
serviceabilityoraccordi
gtoamorepreciseCommo
defi
itio
Asthereachi
gofa“limitstate”whichcausestheco
structio
ottoaccomplishthetaskitwasdesig
edforTherearetwocategoriesoflimitstate1Ultimatelimitsatewhichcorrespo
dstothehighestvalueoftheloadbeari
gcapacityExamplesi
cludelocalbuckli
gorglobali
stabilityofthestructurefailureofsomesectio
sa
dsubseque
ttra
sformatio
ofthestructurei
toamecha
112
f
ismfailurebyfatigueelasticorplasticdeformatio
orcreepthatcauseasubsta
tialcha
geofthegeometryofthestructurea
dse
sitivityofthestructuretoalter
ati
gloadstofr
