DTIC ADA450831: Long Gage Fiber Optic Bragg Grating Strain Sensors to Monitor Civil Structures PDF
Preview DTIC ADA450831: Long Gage Fiber Optic Bragg Grating Strain Sensors to Monitor Civil Structures
Long Gage Fiber Optic Bragg Grating Strain Sensors to Monitor Civil Structures zluhc S. LnettihW * aetno C. Pleo J, b dd Ucir E, a a50 2E N555 2,hcraese Rdao ReulB th Ave., Fairview, OR 97024. ,selegn Aso L,ainrofibla Cf o.vin U,.grgn E.vn Edn alivi Cf o.tpeD 5900 9A C - 1593. TCARTSBA rebiF citpo ggarB sgnitarg degakcap ni gnol ega gsnoitarugifnoc era gnieb desu ot erusaem citats dna cimanyd macro - sniarts ni serutcurts dna larutcurts sledom ot rotinom larutcurts htlaeh dna tceted dna yfitnediorcam - egamadcni derru morf a cimsie s.tneve esehT gnol egag srosnes era gnieb desu y loltatn eymfi irlreaepcvxietylana sledom fo llams - elacs larutcurts sledom ni rieht erp - and post - egamad setats gnisu metsysn oitacifitnedi .seuqinhcet sihT rebif citpo noitamrofed rusaem tneme metsys dluoc yalp a tnacifingis elor n i gnidrocer/gniroti nhotmiw a rehgih level fo ssenetelpmoc eht lautcasies cim esnopser fo serutcurts dna ninon - evitcurtsed cimsies egamad tnemssessa seuqinhcet desab no cimanyd erutangis .sisylana sihT wen nes sor ygolonhcet lliw elbane dleif stnemerusaem fo eht esnopser fo laer serutcurts ot laer sekauqhtrae htiw eht emas ro .snoitid nyorcotaro bdaelllort nroe cdgnnuit sleatrutc u yrnltitsne r nrsouaictuloser/li a ltfe eovrdeelhgih :sdrowyeK icairptoscsorcaM tne mce,sigssmatesmnsiaesedm as ecn,riinumasaranteysmd NOITCUD O.R1TNI noitanimreteD fo eht lautca raenilnon citsaleni esnopser smsinahcem depoleved yb livic serutcurts hcus s a sgnidliub dna segdirb gnirud gnorts sekauqhtrae dna tsop - ekauqhtraeegamad assessment of these struc tures represent yrev tluciffi dsegnellahc gnicaf eht ekauqhtr alearutc u.rgtnsireenigne ,yltneserP ereht si na ecnalabnu neewteb eht lacitylana seitilibapac rof gnitciderp suoirav raenilnon larutcurts esnopser dna egamadtemarap ers dna eht ssenetelpmoc nkical( fo )ssenhcir fo eht noitamrofni no eht lautca cimsies esnopser fo serutcurt sderusaem ni eht yrotarobal ,dna erom ,yltnatropmi ni eht .dleif ,eromrehtruF sihtlabnu ecna sedepmi eht lluf tnemyolped fo the new and very appea ecnamro f yrfheopposol ighnpil -.gnireen iegknaeuqh tdreaseab ehT hcraeser gnieb demrofrep smia ta gnillif eht pag denifed evoba hguorht gniyduts ehtlibisaef ,yti hguorht lacisy hnpoitatnemirepxe ta llams ,elacs fo gnisu gnol egag rebif citpo ggarBnitarg g srosnes rofg nirotinom yltcerid eht ”cipocsorcam“ lanretni noitamrofed esnopser fo serutcurts ot gnorts dnuorg snoitom dna rofnon - evitcurtsedtsop - ekauqhtrae noitaulave fo .serutcurts esehT rebif citpo srosnes nac eb rehtie deddebme edisni a decrofnier etercnoc ro etisopmoc erutcurts ro dednob ot eht ecafrus fo a leets erutcurts dna derotinomlaer - emit ta sdeeps morf CD level ot revo 01 zHM htiw niarts snoituloser morf 20.0 niartsorcim CD( ot 01 )zHk ot5 2 nia r0t1)s(.ozrHcMim 1.1. o sgnnei Stg agrraeGrbBiF r ehT eroc rosnes ygolonhcet rof siht tcejorp si eht rebif ggarB .gnitarg A ggarB gnitarg stsisnoc fo a seires fo snoitabrutrep ni eht xedni fo noitcarfer gnola eht htgnel fo a rebif ,ddU( ).1991 sihT gnitarg stcelfer a lartceps *503 Fax: x102; 7772 667 ht5t0p3: //Twwewhlwie.tpbWthlWeouWnne:@er b:rlEC .umocearorirmrle;.:s c poomn;d ence: 6677 880 Report Documentation Page Form Approved OMB No. 0704-0188 Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. 1. REPORT DATE 3. DATES COVERED 2001 2. REPORT TYPE 00-00-2001 to 00-00-2001 4. TITLE AND SUBTITLE 5a. CONTRACT NUMBER Long Gage Fiber Optic Bragg Grating Strain Sensors to Monitor Civil 5b. GRANT NUMBER Structures 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT NUMBER 5e. TASK NUMBER 5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. PERFORMING ORGANIZATION Blue Road Research,2555 NE 205th Avenue,Fairview,OR,97024 REPORT NUMBER 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSOR/MONITOR’S ACRONYM(S) 11. SPONSOR/MONITOR’S REPORT NUMBER(S) 12. DISTRIBUTION/AVAILABILITY STATEMENT Approved for public release; distribution unlimited 13. SUPPLEMENTARY NOTES The original document contains color images. 14. ABSTRACT see report 15. SUBJECT TERMS 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF 18. NUMBER 19a. NAME OF ABSTRACT OF PAGES RESPONSIBLE PERSON a. REPORT b. ABSTRACT c. THIS PAGE 10 unclassified unclassified unclassified Standard Form 298 (Rev. 8-98) Prescribed by ANSI Std Z39-18 kaep desab no ehtnitarg g ,gnicaps suht segnahc ni eht htgnel fo eht rebif eud ot noisnet ro noisserpmoc lliw egnahc eht gnitarg gnicaps dna eht htgnelevaw fo thgil taht si detcelfer .kcab evitatitnauQ niarts stnemerusaem nac eb edam yb gnirusaem eht retnec htgnelevaw fo ehtfer detc ellartcep s.kaep .giF )1( swohs a ggarB gnitarg .gni t gaennrhoigtgni pemcir utoh sgdinla b sdfta ocoae r febdfhneta murtceps noissimsnarT thgil dnabdaorB gnitarg drawot detcerid gnitarG ka elpartce pdsetcelfeR gnit agrg garre Bbm ioafrrftc enpositcel fdnenoraissim s.n ga1irFT nI sti cisab ,mrof a lacipy tggar Bgnitarg sah a egag fopa yletam i.xmomr5p roF tsom ls inevoriiucttaccuirltpspa .depole vsheatdwg ne egeglahngtisaer cynlievitc e d ,ffoot foh sr e etaoosgsehoiaimstght .2.1 gnoL ega Greb igF gga nrsiBrtoasrnGeS nI redro o tesaerc neiht ega ghtgnel fo eht gg agrnBitarg ot edivo r cp ainpi oaee crurlstlouosamfrvecsa umni livic ,s neoriutta cceuihrlt tpgspnaitarg si degakcap ni a ebut htiw eht eit st nginoipnife de hetvitce fefgea g.htgnel .giF .gn it neuc oa smfrtroe ufk sclaa rnbo ihrst tow p) i soeo2gwanhg(nesaosgl ytiliba pgancitn ueocmaf rrsuotsfekc alrabnoi th ptnoiw worhoss ngensit ae rg.gg agn2gioFL sihT ,gnigakcap nwohs ni .giF ,)3( sedivorp a egag egnar morf 5.2 ot 001 .mc ehT mumixam retemaid fo eht gnit aerggakcap si ssel naht 7 ,mm gnikam tinon - ob evisurt dna laedi r ogfnidd e ,bosmtee ntgiinsiocpaml opoctni sevoorg ni ,etercno.ccte d areolsneS h teggnaeGl 53 6m.c0DO gnisu odhegguR gnigakc arposn eesg aggn o3L.giF .3.1 cimanyD nia rttnSemerusaeM ehT lacitylana sledom ni siht tcejorp eriuqer cimanyd niarts stnemerusaem rof latnemirepxerev .noit aAcifhigih - deeps rebif gni tnaorigtaludo mmeedtsys sah neeb depoleved taht nac erusaem niarts morf CD slevel pu ot zhM01 ,mieS( ).8991 roF siht ,tcejorp eht metsys sah neeb dezimitpo rof 1 ,zHk hcihw sedivorp tneic i.fgfnuislpmasrevo sihTaludomed noit met ssytssisnoc fo a gnita rrgetlif tah tstrevnoc eht lnaorittcaemprs omfonrif eht gnita rrgosnes otni na edutilpma desab langis elbarusaem yb otohp .srotceted .giF )4( swohs siht metsys erehw thgil si detcerid otni eht rosnes hguorht eht tsrif maeb ,retti ldpestcelfer ni eht gnitarg dna detcerid otni eht dnoces maeb rettilps erehw ti si dedivid otni eht deretlif dna ecnerefer sgel dna neht otni eht hgih deeps .rotceted ehT ecnerefer gel sesedesu t stranoiosillfn. pemempehamttoscys LLiigghhtt s soouurrccee FFiibbeerr g grraattiinngg s seennssoorr GGrraattiinngg f fiilltteerr ZZ 33ddBB ZZ HighHigh --SSppeeeedd 33 d dBB DDeetteeccttoorr ZZ PPCC hgi H 4.giF -metsy snoitaludome ddeeps hg ishihT - dmeeet psnsya scos lda eed bn taor ptoexpr epon uma dsh gretenotnisn otn enaessi rsae.grgpi.eF)r5( aattaaDD ggoollaannAA nnooiittiissiiuuqqccaa eeggaattlloovv mmeettssyyss ssttuuppttuuoo lleennnnaa hh44cc zzHHkk0011 nnooiittaalluuddoommeeDD mmeettssyyss eennii llrreebbii ffeellggnniiSS yyaarrrr aaggnniittaarr ggggggaarrBB hg i.5HgiF e nriel- beil fgg nna iosslganit arre g bsfi e oftif nroaeemserus adeemeps PM AEXREUTCU RLTIS V.I2C SEL ytilibisaeF si na tnatropmi tcepsa fo gnicudortni wen ygolonhcet dna eht srosnes dna eht metsys debircsed evoba evah neeb desu yllufsseccus no laer .serutcurts enO elpmaxe woleb sah neeb gnidivorpgnol - ytil imbraevtivrus and sensor performance data fo r over two years. .1 .l2iates rsolHlaFegdirB Twenty - xis srosnes evah neeb yllufssecc ugsnirotinom eht liatesroH sllaF egdirB ni nogerO rof revo owt sraey ,mieS( ).9991 ehT ,egdirb nwohs ni .giF ,)6( saw tliub ni 4191 dna ni 8991 tnewrednu aninehtgnerts g erudecorp erehw etisopmoc parw saw decalp revo eht etercnoc .smaeb e g g ahn 6gtod2ilewtnemurt sdpn naieartwiso p dmyeobncehtgne rgtn sieerbo feegbd isrl BllaiFat e.s gr6ioFH sros nneisa rgtnsit arregbif oT yfirev taht eht etisopmoc parw sawdda gn ihtgnerts ot eht ,egdir bgnol egag reb igfnit anriga rstrsosne serew decalp ni sevoorg tuc otni eht etercnoc dna ni eht parw .flesti .giF )7( swohs eht srosnes gnieb deddebme otni eht etercnoc dna etisopmoc.parw .7giF )th gpeiatrri(ws o odpetemhnd otid )cedt bnfe maetsele e(r nv ceioodnhote otrncg cgianslirpeo bsneS gnisU ehthgih - 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Sy e gndaivrlB nI dim ,yluJ ,0002 41 gnol egag srosnes erew dellatsni no rehtona nogerO egdirb nwohs ni .giF .)9( sihT egdirb osla deviecer etisopmoc ,sparw tub ni spirts sa desoppo ot .steehs sihT dluoc eb na tnatropmi trap fo siht cimsies egamadtnemssessa tcejorp sa eht egdirb si ylevitatnet deludehcs ot eb dehsilomed ni3 - 5 .srae ysihT lliw wolla .snoitc ildaecr ipdte y rols a t a rdpdhn sonmet aees aoriehtnoco wgtaet teatse irmsbynealovdgmensisa errocfni dewtnemurt snnoi g eengridO inr aB.v gl9iyFS 0 0y0 l2snuriJos nee gsga nghotli IR ELVATNEMIREP X.E3 YL ANFNNOOAAITACIF FITNE DEIGAM ALDACIT NOITACI MHTIROGLA elihW eht snoitacilppa detsil evoba edivorp tnellecxe larutcurts htlaeh dna ytilibisaef ,noitamrofni ti si l lits yrassecen ot esu llams - lacs e lacisyhp sledom fo serutcurts ot yfirev gnitsixe lacitylana larutcurtse gamad noitacifitnedi smhtirogla desab no segnahc ni noitarbiv scitsiretcarahc etnoC( te .la ).0002 esehTllams - elacs stnemirepxe lliw eb detcudnoc ni owt niam ,segats eerf dnaecrof . ne ogdia tm laa"lrDyib lwidl veaetubcnialmf"ni gnirud siht cimanyd gnitset dna derapmoc ot egamad snoita cdoeltciderp gnisu m entosiytsacifit ndeedsiab no eht .sro sgnneis t de a gegyrendabghoigt lvsotrnpemeru scaiemmanyd no i1 t.ea3errbFiV The first tes fo stnemirepxe lliw yolpme na munimula maeb htiw suoirav snoitanibmoc fo yradnuob snoitidnoc dna ssam .snoitubirtsid ehT maeb lliw eb 001 mc gnol dna evah eerht srosnes htiw segag fo 51 .mc .giF )01( swohs a noitatneserper fo eht maeb dna ehtsuoirav . snoit alraurgeivfenSoc gnol egag srosnes lliw eb decalp ta yek snoitacol no eht maeb ot erusaem orcam niarts gnirud eerf .noitarbiv esehT niarts seulav lliw neht e b .l e)dtonme meetli enliafc(i t mys o ltnrdala fenuorastaeprmoc nere f .f0gi1iDF n os inrtmtoosa aifeenerttbieb iriydfvrn aos dcndnonuiaotbubi rtstssaimd sihT suorogir tes fo eerf noita rsbtinvemirepxe lliw etubirtnoc ot yfirev eht lacitylana sledom dna eht gnol egag sensors. 2.3 decroFnoitarbiV ehT dnoces niam tes foirepxe stnem lliw evlovni decrof snoitarbiv htiw erom xelpmoc sledom retteb .gsnei rtlunateec sruerrt ps.egri F)1 1s(wo h nse o hdiptetucat rrehobstfiivw a re kealhb sa stdenlapmaxe .sledo mlaitneto pfo .o gv1ir1FeS - larum t e crld uebncrkaaitatlshusardyh sntosi ets tald reefbdcoiorvof 3.3. Damage Identification A ega m,,anndooiittcaeztield a ncdoonilat amchitfiirtongaluaq sah neeb depoleved dna deifir ehvguo rlhatciremun noitalumis etnoC( te .la .)0002 sihT mhtirogla sekam esu fo a raenil etinifemele tn ledom fo eht erutcurts erofeb dna retfa egamad dna noitarbiv stnemerusaem deniatbo morf a tes fo gnol egag niarts srosnes erofeb dna retfa egamad sa .llew sihT mhtirogla lliw won eb dyelilfaitrnee vmhigrueoprxhet eht evoballams - . sdtenleamcisrepxe Dur gni cimanyd ,gnitset egamad lliw eb detalumis yb gnicuder eht ssorc lanoitces aera fo eht sledom ta nwonk .eg admeatdci ln f weneor ih nuest ektllor pbetalaadaco cmhi tto egy td enlfeeseaid hln nrt aseenttvanxoieop .4YRAMMUS gnoL egag rebif citpoarB gg gnitarg srosnes era gnieb desu ot rotinom eht larutcurts htlaeh fo serutcurts dna ot nleoadititnvaeocmriipfrie rpfexove a cim snio eiestg aa.cmdiaofdhittenmed iehT gnol egag htgnel si ot edivorp a cipocsorcam niarts eulav erom lufesu ni larutcurtsnom .gniroti esehT rosnes smetsys evah eht ytilibapacf o gniru scaiemmany dniarts morf CD slevel ot revo 01 zHM htiw n isanrotistulo smeorrf 2 0n.i0artsorc iCmD( ot 01 )zHk ot n i5a2rts o0r1c(im).zHM STNEMEGDELWONKCA ehT krow rof siht tcejorp sah neebitrap ylla dednuf yb ehT lanoitaN ecneic SnoitadnuoF tnarG( #IMD - 9961268) and The United States Navy (Contract # N68335 - 99 - C - 0242.)
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