毕业设计（论文）
外文翻译
题
目西北物流中心2号楼设计
专
业土木工程
班
级土木074
学生
指导教师
二零一零
年
1
fLowcohere
cedeformatio
se
sorsforthe
mo
itori
gofcivile
gi
eeri
gstructures
DI
audiaAElamaribLPflugaNGisi
bJBreguetbSVurpillota
“IMACLaboratoryofStressA
alysisSwissFederalI
stituteofTech
ologyCH1015Lausa
eSwitzerla
d‘GAPGroupof
AppliedPhysicsOpticalSeciio
Ge
evaU
iversityCH1205Ge
evaSwitzerla
d
Rcccivcd25Ja
uary1993i
revisedform8March1994accepted25March1994
Abstract
A
opticalfiberdeformatio
se
sorwitharesolutio
of10pma
da
operatio
alra
geof60mmhasbee
realizedThesystemisbasedo
lowcohere
cei
terferometryi
sta
dardsi
glemodetelecommu
icatio
fibersItallowsthemo
itori
goflargestructuresoverseveralmo
thswithout
oticeabledriftNoco
ti
uousmeasureme
tis
eededa
dthesystemisi
se
sitivetovariatio
softhefiberlossesThistech
iquehasbee
appliedtothemo
itori
gofa20mX5mX05m120to
co
creteslaboversixmo
thsItispossibletomeasuretheshri
kageofco
cretea
ditselasticcoefficie
tduri
gprestrai
i
ggivi
greproducibleresultsi
goodagreeme
twiththeoreticalcalculatio
sa
dmeasureme
tsperformedo
smallco
cretesamplesThispaperdescribestheopticalarra
geme
ta
dtheproceduresusedtoi
stallopticalfibersi
co
crete
KeyworIkformatio
se
sorsCivile
gi
eeri
gstructures
1I
troductio
Boththesecurityofcivile
gi
eeri
gworksa
dthelawrequireaperiodicmo
itori
gofstructuresThemethodsusedforthispurposesuchastria
gulatio
waterlevelsorvibrati
gstri
gsareofte
oftediousapplicatio
a
drequireo
eorma
yspecializedoperatorsThiscomplexitya
dtheresulti
gcostslimitthefreque
cyofthemeasureme
tsFurthermorethespatialresolutio
isofte
poora
dtheobservatio
isusuallyrestrictedtothesurfaceoftheobjectThereisthusarealdema
dforatoolallowi
ga
i
ter
alautomatica
dperma
e
tmo
itori
gofstructureswithhighaccuracya
dstabilityoverperiodstypicallyoftheorderof100yearsforbridgesI
thisframeworkfiberopticsmartstructuresiestructureswithselftesti
gcapabilitiesaregai
i
gi
importa
cei
ma
yfieldsi
cludi
gaero
auticsa
dcompositematerialmo
itori
gThistech
ologyca
beappliedi
civil
2
fe
gi
eeri
ga
di
particularfortheshorta
dlo
gtimeobservatio
oflargestructuressuchasbridgestallbuildi
gframesdamstu
elsroadsairportru
waysdomesprestressi
ga
da
choragecablesThemo
itori
gofsuchstructuresrequiresthedevelopme
tofameasuri
gtech
iquewithhighaccuracystabilitya
dreliabilityoverlo
gperiodsIthastobei
depe
de
tofvariatio
si
thefiberlossesa
dadaptedtotheadversee
viro
me
tofabuildi
gsiteToreducethecostofthei
strume
tatr