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文档含英文原文和中文翻译
原文：
Structure
Desig

AbstractStructuredesig
istheselectio
ofmaterialsa
dmembertypesizea
dco
figuratio
tocarryloadsi
asafea
dserviceablefashio
I
ge
eralstructuraldesig
impliesthee
gi
eeri
gofstatio
aryobjectssuchasbuildi
gsa
dbridgesorobjectsthatmaybemobilebuthavearigidshapesuchasshiphullsa
daircraftframesDeviceswithpartspla
edtomovewithrelatio
toeachotherli
kagesare
ge
erallyassig
edtotheareaofmecha
icalKeywordsStructureDesig
；Structurala
alysisscheme；Projectrequireme
ts；structural
fStructuraldesig
i
volvedatleastfivedisti
ctphasesofworkprojectrequireme
tsmaterialsstructuralschemea
alysisa
ddesig
Foru
usualstructuresormaterialsasixphasetesti
gshouldbei
cludedThesephasesdo
otproceedi
arigidprogressio
si
cediffere
tmaterialsca
bemosteffectivei
differe
tschemestesti
gca
resulti
cha
getoadesig
a
dafi
aldesig
isofte
reachedbystarti
gwitharoughestimateddesig
the
loopi
gthroughseveralcyclesofa
alysisa
dredesig
Ofte
severalalter
ativedesig
swillprovequiteclosei
coststre
gtha
dserviceabilityThestructurale
gi
eerow
erore
duserwouldthe
makeaselectio
basedo
otherco
sideratio
sProjectrequireme
tsBeforestarti
gdesig
thestructurale
gi
eermustdetermi
ethecriteriaforacceptableperforma
ceTheloadsorforcestoberesistedmustbeprovidedForspecialized
structuresthismaybegive
directlyaswhe
supporti
gak
ow
pieceofmachi
eryoracra
eofk
ow
capacityForco
ve
tio
albuildi
gsbuildi
gscodesadoptedo
amu
icipalcou
tyorstatelevelprovidemi
imumdesig
requireme
tsforliveloadsoccupa
tsa
dfur
ishi
gss
owo
roofsa
dsoo
Thee
gi
eerwillcalculatedeadloads
fstructurala
dk
ow
perma
e
ti
stallatio
sduri
gthedesig
processForthestructuraltobeserviceableorusefuldeflectio
smustalsobekeptwithi
limitssi
ceitispossibleforsafestructuraltobeu
comfortable“bou
ce”Verytightdeflectio
limitsareseto
supportsformachi
erysi
cebeamsagca
causedriveshaftstobe
dbeari
gtobur
outpartstomisalig
a
doverheadcra
estostallLimitatio
sofsaglesstha
spa
100011000ofthebeamle
gthare
otu
commo
I
co
ve
tio
albuildi
gsbeamssupporti
gceili
gsofte
havesaglimitsofspa
360toavoidplastercracki
gorspa
240toavoidoccupa
tco
cer
keepvisualperceptio
limitedBeamstiff
essalsoaffectsfloor“bou
ci
ess”whichca
bea
oyi
gif
otco
trolledI
additio
lateraldeflectio
swayordriftoftallbuildi
gsisofte
heldwithi
approximatelyheight5001500ofthebuildi
gheighttomi
imizethelikelihoodofmotio
discomforti
occupa
tsofupperfloorso
wi
dydar