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1 back up
1) (to support or encourage: The new evidence backed up my arguments.) sostener2) (to make a copy of the information stored on the computer or disk.) hacer una copia de seguridad/reservaexpr.• dar marcha atrás expr.v.• ciar v.• hacer una copia de seguridad v.• recalcitrar v.• retornar v.1) v + o + adv, v + adv + oa) ( support) respaldar, apoyarher account is backed up by evidence — hay pruebas que respaldan or confirman su versión
b) ( Comput) \<\<file\>\> hacer* una copia de seguridad de2) v + adva) ( reverse) dar* marcha atrás, echar or meter reversa (Col, Méx)b) ( form tailback)the traffic was backed up as far as... — la cola or la caravana de coches se extendía hasta...
1. VT + ADV1) (=support) [+ person] apoyar, respaldar2) (=confirm) [+ claim, theory] respaldar3) (=reverse) [+ car] dar marcha atrás a, hacer retroceder4) (Comput) [+ file] hacer una copia de seguridad or de reserva de5) (=delay)the traffic was backed up for two miles — había una caravana (de tráfico) de dos millas, había retenciones (de tráfico) de dos millas
2. VI + ADV1) (in car) (=reverse) dar marcha atrás2) (=queue)traffic is backing up for miles behind the accident — hay una caravana (de tráfico) de varias millas desde el lugar del accidente, hay retenciones (de tráfico) de varias millas desde el lugar del accidente
* * *1) v + o + adv, v + adv + oa) ( support) respaldar, apoyarher account is backed up by evidence — hay pruebas que respaldan or confirman su versión
b) ( Comput) \<\<file\>\> hacer* una copia de seguridad de2) v + adva) ( reverse) dar* marcha atrás, echar or meter reversa (Col, Méx)b) ( form tailback)the traffic was backed up as far as... — la cola or la caravana de coches se extendía hasta...
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2 back
back [bæk]vers l'arrière ⇒ 1 (a) re + verbe ⇒ 1 (b), 1 (c) de derrière ⇒ 2 (a) arrière ⇒ 2 (a), 3 (g) dos ⇒ 3 (a)-(c), 3 (e), 3 (f) fond ⇒ 3 (d) reculer ⇒ 4 (a), 5 (a) financer ⇒ 4 (b) parier sur ⇒ 4 (c)1 adverb(a) (towards the rear) vers l'arrière, en arrière;∎ he stepped back il a reculé d'un pas, il a fait un pas en arrière;∎ I pushed back my chair j'ai reculé ma chaise;∎ she tied her hair back elle a attaché ses cheveux;∎ he glanced back il a regardé derrière lui;∎ house set or standing back from the road maison écartée du chemin ou en retrait∎ to come back revenir;∎ to go back (return) retourner;∎ to go or turn back (retrace footsteps) rebrousser chemin;∎ we went back home nous sommes rentrés (à la maison);∎ my headache's back j'ai de nouveau mal à la tête, mon mal de tête a recommencé;∎ they'll be back on Monday ils rentrent ou ils seront de retour lundi;∎ I'll be right back je reviens tout de suite;∎ I'll be back (threat) vous me reverrez;∎ we expect him back tomorrow il doit rentrer demain;∎ as soon as you get back dès votre retour;∎ is he back at work? a-t-il repris le travail?;∎ he's just back from Moscow il arrive ou rentre de Moscou;∎ we went to town and back nous avons fait un saut en ville;∎ he went to his aunt's and back il a fait l'aller et retour chez sa tante;∎ the trip to Madrid and back takes three hours il faut trois heures pour aller à Madrid et revenir;∎ meanwhile, back in Washington entre-temps, à Washington;∎ back home, there's no school on Saturdays chez moi ou nous, il n'y a pas d'école le samedi;∎ Commerce the back-to-school sales les soldes fpl de la rentrée∎ she wants her children back elle veut qu'on lui rende ses enfants;∎ he went back to sleep il s'est rendormi;∎ business soon got back to normal les affaires ont vite repris leur cours normal;∎ miniskirts are coming back (in fashion) les minijupes reviennent à la mode∎ six pages back six pages plus haut;∎ back in the 17th century au 17ème siècle;∎ as far back as I can remember d'aussi loin que je m'en souvienne;∎ back in November déjà au mois de novembre;∎ familiar ten years back il y a dix ans□(e) (in reply, in return)∎ you should ask for your money back vous devriez demander un remboursement ou qu'on vous rembourse;∎ I hit him back je lui ai rendu son coup;∎ if you kick me I'll kick you back si tu me donnes un coup de pied, je te le rendrai;∎ she smiled back at him elle lui a répondu par un sourire;∎ to write back répondre (par écrit);∎ to get one's own back (on sb) prendre sa revanche (sur qn);∎ that's her way of getting back at you c'est sa façon de prendre sa revanche sur toi(a) (rear → door, garden) de derrière; (→ wheel) arrière (inv); (→ seat) arrière (inv), de derrière;∎ the back legs of a horse les pattes fpl arrière d'un cheval;∎ back entrance entrée f située à l'arrière;∎ the back room is the quietest la pièce qui donne sur l'arrière est la plus calme;∎ the back page of the newspaper la dernière page du journal;∎ to put sth on the back burner remettre qch à plus tard(b) (quiet → lane, road) écarté, isolé3 noun(a) (part of body) dos m;∎ back pain mal m de dos;∎ to have a back problem avoir des problèmes de dos;∎ she carried her baby on her back elle portait son bébé sur son dos;∎ I fell flat on my back je suis tombé à la renverse ou sur le dos;∎ we lay on our backs nous étions allongés sur le dos;∎ my back aches j'ai mal au dos;∎ the cat arched its back le chat a fait le gros dos;∎ I only saw them from the back je ne les ai vus que de dos;∎ she sat with her back to the window elle était assise le dos tourné à la fenêtre;∎ sitting with one's back to the light assis à contre-jour;∎ he was sitting with his back to the wall il était assis, dos au mur;∎ figurative to have one's back to the wall être au pied du mur;∎ to turn one's back on sb tourner le dos à qn; figurative abandonner qn;∎ when my back was turned quand j'avais le dos tourné;∎ you had your back to me tu me tournais le dos;∎ they have the police at their backs (in support) ils ont la police avec eux; (in pursuit) ils ont la police à leurs trousses;∎ with an army at his back (supporting him) soutenu par une armée;∎ to do sth behind sb's back faire qch dans le dos de qn;∎ he laughs at you behind your back il se moque de vous quand vous avez le dos tourné ou dans votre dos;∎ to talk about sb behind their back dire du mal de qn dans son dos;∎ the decision was taken behind my back la décision a été prise derrière mon dos;∎ he went behind my back to the boss il est allé voir le patron derrière mon dos ou à mon insu;∎ to be flat on one's back (bedridden) être alité ou cloué au lit;∎ familiar get off my back! fiche-moi la paix!;∎ mind your backs! attention, s'il vous plaît!;∎ the rich live off the backs of the poor les riches vivent sur le dos des pauvres;∎ to put sb's back up énerver qn;∎ to put one's back into sth mettre toute son énergie dans qch;∎ familiar that's it, put your back into it! allez, un peu de nerf!;∎ to put one's back out se faire mal au dos;∎ I'll be glad to see the back of her je serai content de la voir partir ou d'être débarrassé d'elle(b) (part opposite the front → gen) dos m, derrière m; (→ of coat, shirt, door) dos m; (→ of vehicle, building, head) arrière m; (→ of train) queue f; (→ of book) fin f;∎ to sit in the back (of car) monter à l'arrière;∎ to sit at the back (of bus) s'asseoir à l'arrière;∎ the carriage at the back of the train la voiture en queue de ou du train;∎ at the back of the book à la fin du livre;∎ the garden is out or round the back le jardin se trouve derrière la maison;∎ the dress fastens at the back or American in back la robe s'agrafe dans le dos;∎ there was an advert on the back of the bus il y avait une publicité à l'arrière du bus;∎ familiar she's got a face like the back of a bus elle est moche comme un pou(c) (other side → of hand, spoon, envelope) dos m; (→ of carpet, coin, medal) revers m; (→ of fabric) envers m; (→ of page) verso m; Finance (→ of cheque) dos m, verso m;∎ I know this town like the back of my hand je connais cette ville comme ma poche;∎ familiar you'll feel the back of my hand in a minute! tu vas en prendre une!(d) (farthest from the front → of cupboard, room, stage) fond m;∎ back of the mouth arrière-bouche f;∎ back of the throat arrière-gorge f;∎ we'd like a table at the or in the very back nous voudrions une table tout au fond;∎ familiar in the back of beyond en pleine brousse, au diable vauvert;∎ it was always there at the back of his mind that… l'idée ne le quittait pas que…;∎ it's something to keep at the back of your mind c'est quelque chose à ne pas oublier;∎ I've had it or it's been at the back of my mind for ages j'y pense depuis longtemps, ça fait longtemps que ça me travaille(f) (of chair) dos m, dossier m∎ (full) back arrière m;∎ right/left back arrière m droit/gauche∎ I backed the car into the garage j'ai mis la voiture dans le garage en marche arrière;∎ she backed him into the next room elle l'a fait reculer dans la pièce d'à côté(b) Commerce (support financially → company, venture) financer, commanditer; Finance (→ loan) garantir;∎ Finance to back a bill avaliser ou endosser un effet(c) (encourage → efforts, person, venture) encourager, appuyer, soutenir; Politics (→ candidate, bill) soutenir;∎ we backed her in her fight against racism nous l'avons soutenue dans sa lutte contre le racisme;∎ Sport to back a winner (horse, team) parier ou miser sur un gagnant; Finance & Commerce (company, stock) bien placer son argent; figurative jouer la bonne carte;∎ figurative to back the wrong horse parier ou miser sur le mauvais cheval(e) Textiles (strengthen, provide backing for → curtain, material) doubler; (→ picture, paper) renforcer∎ the car backed into the driveway la voiture est entrée en marche arrière dans l'allée;∎ I backed into my neighbour's car je suis rentré dans la voiture de mon voisin en reculant;∎ I backed into a corner je me suis retiré dans un coin∎ to go back and forth (person) faire des allées et venues; (machine, piston) faire un mouvement de va-et-vient;∎ his eyes darted back and forth il regardait de droite à gauchedevant derrière, à l'envers;∎ you've got your pullover on back to front tu as mis ton pull devant derrièreAmerican derrière►► Technology back boiler = ballon d'eau chaude situé derrière un foyer;Press back copy vieux numéro m;Australian & New Zealand back country campagne f, arrière-pays m inv;∎ figurative to get in through or by the back door être pistonné;∎ the back end of the year l'arrière-saison;Linguistics back formation dérivation f régressive;American back haul = trajet de retour d'un camion;Finance back interest arrérages mpl, intérêts mpl arriérés;Press back issue vieux numéro m;Golf the back nine les neuf derniers trous mpl;Press back number vieux numéro m;Banking back office back-office m;back office staff personnels mpl de back-office;Commerce back orders commandes fpl en souffrance;back page dernière page f;Football back pass passe f en retrait;back pay rappel m de salaire;back rent arriéré m de loyer;back road petite route f;back room (in house) pièce f de derrière; (in shop) arrière-boutique f; (for research) laboratoire m de recherche secret;back seat siège m arrière;back shift (people) = équipe du soir;∎ I hate the back shift je déteste être du soir;∎ to work or be on the back shift être (de l'équipe) du soir;Linguistics back slang ≃ verlan m;back straight ligne f (droite) d'en face;back street petite rue f;∎ I grew up in the back streets of Chicago j'ai été élevé dans les mauvais quartiers de Chicago;Horseracing back stretch (on race course) ligne f d'en face;Finance back taxes arriéré m d'impôts∎ she backed away from him elle a reculé devant lui;∎ figurative they have backed away from making a decision ils se sont abstenus de prendre une décision(accept defeat → in argument) admettre qu'on est dans son tort; (→ in conflict) faire marche arrière;∎ he finally backed down on the issue of membership il a fini par céder sur la question de l'adhésion(a) (withdraw) reculer;(b) American (accept defeat → in argument) admettre qu'on est dans son tort; (→ in conflict) faire marche arrière(have back facing towards) donner sur (à l'arrière);∎ the house backs onto the river l'arrière de la maison donne sur la rivière∎ don't back out now! ne faites pas marche arrière maintenant!;∎ they backed out of the deal ils se sont retirés de l'affaire;∎ to back out of a contract se rétracter ou se retirer d'un contrat;∎ he's trying to back out (of it) il voudrait se dédire➲ back up∎ to back sb up in an argument donner raison à qn;∎ her story is backed up by eye witnesses sa version des faits est confirmée par des témoins oculaires;∎ he backed this up with a few facts il a étayé ça avec quelques faits∎ traffic is backed up for 5 miles ≃ il y a un embouteillage sur 8 kmComputing sauvegarder -
3 back
bæk 1. noun1) (in man, the part of the body from the neck to the bottom of the spine: She lay on her back.) rygg2) (in animals, the upper part of the body: She put the saddle on the horse's back.) rygg3) (that part of anything opposite to or furthest from the front: the back of the house; She sat at the back of the hall.) bakside, bakerste del4) (in football, hockey etc a player who plays behind the forwards.) back2. adjective(of or at the back: the back door.) bak-, bakre; rygg-3. adverb1) (to, or at, the place or person from which a person or thing came: I went back to the shop; He gave the car back to its owner.) tilbake, igjen2) (away (from something); not near (something): Move back! Let the ambulance get to the injured man; Keep back from me or I'll hit you!) bakover, vekk3) (towards the back (of something): Sit back in your chair.) tilbake4) (in return; in response to: When the teacher is scolding you, don't answer back.) igjen5) (to, or in, the past: Think back to your childhood.) tilbake til4. verb1) (to (cause to) move backwards: He backed (his car) out of the garage.) rygge2) (to help or support: Will you back me against the others?) støtte; bakke opp3) (to bet or gamble on: I backed your horse to win.) satse (penger) på, holde på•- backer- backbite
- backbiting
- backbone
- backbreaking
- backdate
- backfire
- background
- backhand 5. adverb(using backhand: She played the stroke backhand; She writes backhand.) bakhånds-, skrevet med steilskrift- backlog- back-number
- backpack
- backpacking: go backpacking
- backpacker
- backside
- backslash
- backstroke
- backup
- backwash
- backwater
- backyard
- back down
- back of
- back on to
- back out
- back up
- have one's back to the wall
- put someone's back up
- take a back seatbakside--------rygg--------ryggrad--------tilbakeIsubst. \/bæk\/1) rygg, ryggrad2) bakside, bakre del, borteste del3) bakgrunn4) ( sport) back (forsvarsspiller i bakre rekke)arch one's back ( om katt) skyte ryggat the back of ( også overført) bakat the back of beyond i en avkrok, utenfor folkeskikkenback of the head nakke, bakhodeback to front bak frembehind someone's back bak ryggen på noenbreak somebody's back ( overført) overanstrenge noen, ta knekken på noenbreak the back of something gjøre unna det vanskeligste ved noeget off somebody's back ( hverdagslig) slutte å trakassere noen, slutte å mase på noen, slutte å plage noen• get off my back!be glad to see the back of somebody\/something være glad for å bli kvitt noen\/noehave at the back of oneself eller have at one's back ha bak seg, ha støtte i, ha i ryggenknow something like the back of one's hand kjenne noe som sin egen bukselommemake a back for somebody ( om å hoppe bukk) stå bukk for noenbe on one's back ligge sykon the back of that ( hverdagslig) i tillegg til detpat oneself on the back klappe seg selv på skulderen, rose seg selvpat somebody on the back ( overført) gi noen en klapp på skulderenput\/get someone's back up ( hverdagslig) ergre noen, få noen til å reise bustput one's back into something sette alt inn på noeshort back and sides ( om hår) kort i nakken og på sideneturn one's back (up)on vende ryggen tilturn one's back (up)on somebody vende noen ryggen, la noen i stikkenturn one's back (up)on something lukke øynene for noe, ikke ville se noe ta avstand fra noewith one's back to the wall ( overført) med ryggen mot veggenIIverb \/bæk\/1) gå baklengs, rygge2) støtte (moralsk eller økonomisk)• if you want to get an education, I'll back you all the way3) ligge bak, danne bakgrunn for4) ( musikk) akkompagnere5) holde på, spille på, satse på6) skrive bakpå, endossere, kontrasignere7) sette rygg på, sette bakside på, bekleback away gå tilbake, dra seg unnaback down trekke tilbake (påstand eller krav), gi seg, vike unna, gi etterback off dra seg unna, rygge gi seg, slutte å angripe trekke tilbake (påstand eller krav)back on to ligge bak, ligge med baksiden motback out (of) gå baklengs ut (av) trekke seg ut (av), hoppe av (fra), stikke av (fra)back the wrong horse ( overført) satse på feil hestback up underbygge, styrkedu har ingenting som kan underbygge ditt utsagn støtte, hjelperygge, bakke( EDB) sikkerhetskopiere, gjenopprette ( om trafikk) lage køoversvømme, akkumulereback water\/the oars skåte bakke utIIIadj. \/bæk\/1) bak-, bakre, rygg-2) avsides(liggende), elendig3) omvendt, bak-, mot-4) resterende, etterskudds-in the back rooms ( hverdagslig) bak kulisseneIVadv. \/bæk\/1) bakover, tilbake2) tilbake, igjen, til gjengjeld3) på avstand, bort4) (amer., sport) etterback and forth frem og tilbakeback of (amer.) bakcall back ( telekommunikasjon) ringe tilbakego back (up)on one's word bryte sitt ord -
4 back
back [bæk]━━━━━━━━━━━━━━━━━1. noun2. adjective3. adverb6. compounds━━━━━━━━━━━━━━━━━1. nouna. [of person, animal] dos m• to stand or sit with one's back to sb/sth tourner le dos à qn/qch• my boss is always on my back j'ai sans arrêt mon patron sur le dos► to get off sb's back (inf) laisser qn tranquille• that's what gets my back up c'est ce qui me hérisse► to put one's back into sth mettre toute son énergie dans qch• you can't just turn your back on your parents tu ne peux quand même pas tourner le dos à tes parents• he turned his back on the past il a tourné la page► on the back of ( = by means of) en profitant de• at the very back tout au fond► at the back of [+ building] derrière ; [+ book] à la fin de ; [+ cupboard, hall] au fond de• he's at the back of all this trouble c'est lui qui est derrière tous ces problèmes► in back (US) [of building, car] à l'arrière► in the back [of car] à l'arrière• to sit in the back of the car être assis à l'arrière► out or round the back (inf) (British) derrièred. (Football, hockey) arrière m2. adjectiveb. [taxes] arriéré3. adverb━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━a. (in space, time) (stand) back! reculez !• stay well back! n'approchez pas !━━━━━━━━━━━━━━━━━► When followed by a preposition, back is often not translated.━━━━━━━━━━━━━━━━━• meanwhile, back in London... pendant ce temps-là, à Londres...• he little suspected how worried they were back at home il était loin de se douter que sa famille s'inquiétait autant► to go back and forth, to go back and forward [person] faire des allées et venues ; [phone calls, emails, letters] être échangéb. ( = returned)► to be back [person] être rentré• everything's back to normal tout est rentré dans l'ordre► ... and backc. ( = reimbursed) I got/want my money back j'ai récupéré/je veux récupérer mon argenta. ( = support) soutenir ; [+ statement] confirmerb. ( = finance) financerc. ( = bet on) parier surd. [+ vehicle] reculer• to back the car in/out entrer/sortir en marche arrière( = move backwards) reculer6. compounds• to do sth by or through the back door faire qch par des moyens détournés ► back line noun (Sport) ligne f d'arrières• to take a back seat (to sth) (inf) passer au second plan (par rapport à qch) ► back-seat driver noun• he's a back-seat driver il est toujours à donner des conseils au conducteur ► back street noun ruelle f• he grew up in the back streets of Leeds il a grandi dans les quartiers pauvres de Leeds ► back-to-back adjective dos à dos• a row of back-to-back houses (British) une rangée de maisons adossées les unes aux autres adverb• they showed two episodes back-to-back ils ont passé deux épisodes à la suite ► back tooth noun (plural back teeth) molaire f• to back away from [+ problem] prendre ses distances par rapport à► back down intransitive verb revenir sur sa position( = draw back) reculer[house][person] sortir à reculons ; [car] sortir en marche arrière ; (of undertaking) revenir sur ses engagements[+ deal, agreement] se retirer de ; [+ undertaking] se soustraire à► back upa. ( = reverse) faire marche arrièrea. [+ theory, claim] confirmer ; [+ person] soutenirb. [+ vehicle] faire reculerc. [+ computer file] faire une copie de sauvegarde de* * *[bæk] 1.1) Anatomy, Zoology dos mto be (flat) on one's back — lit être (à plat) sur le dos; fig être au lit
to turn one's back on somebody/something — lit, fig tourner le dos à quelqu'un/quelque chose
to do something behind somebody's back — lit, fig faire quelque chose dans le dos de quelqu'un
2) ( reverse side) (of page, cheque, hand, fork, envelope) dos m; ( of fabric) envers m; (of medal, coin) revers m3) ( rear-facing part) (of vehicle, head) arrière m; ( of electrical appliance) face f arrière; (of shirt, coat) dos m; (of chair, sofa) dossier mon the back of the door/head — derrière la porte/tête
the shelves are oak but the back is plywood — les étagères sont en chêne mais le fond est en contreplaqué
4) ( area behind building)to be out back —
to be in the back — US être dans le jardin or la cour
there's a small garden out back ou round the back — il y a un petit jardin derrière (la maison)
5) (of car, plane) arrière m6) (of cupboard, drawer, fridge, bus, stage) fond mat ou in the back of the drawer — au fond du tiroir
7) Sport arrière m8) ( end) fin f2.1) ( at the rear) [leg, paw, edge, wheel] arrière; [bedroom] du fond; [page] dernier/-ière (before n); [garden, gate] de derrière2) ( isolated) [road] petit (before n)back alley ou lane — ruelle f
3) Finance, Commerce3.back interest/rent/tax — arriérés mpl d'intérêts/de loyer/d'impôts
1) ( after absence)the mini-skirt is back — ( in fashion) les mini-jupes sont de nouveau à la mode
2) ( in return)to call ou phone back — rappeler
3) ( backwards) [glance, jump, step, lean] en arrière4) ( away)ten pages back — dix pages (avant or plus tôt)
5) ( ago)a week/five minutes back — il y a une semaine/cinq minutes
6) ( a long time ago)7) ( once again)we walked there and took the train back — nous y sommes allés à pied et nous avons pris le train pour rentrer
9) ( in a different location)4.meanwhile, back in France, he... — pendant ce temps, en France, il...
back and forth adverbial phraseto swing back and forth — [pendulum] osciller
5.the film cuts ou moves back and forth between New York and Paris — le film se passe entre New York et Paris
transitive verb1) ( support) soutenir [party, person, bid, bill, strike, action]; appuyer [application]; apporter son soutien à [enterprise, project]2) ( finance) financer [project, undertaking]3) ( endorse) garantir [currency]to back a bill — Commerce, Finance endosser or avaliser une traite
4) ( substantiate) justifier [argument, claim] ( with à l'aide de)5) ( reverse)6) ( bet on) parier sur [horse, favourite, winner]7) (stiffen, line) consolider, renforcer [structure]; endosser [book]; renforcer [map]; maroufler [painting]; doubler [fabric]6.- backed combining form1) ( of furniture)a high-/low-backed chair — une chaise avec un dossier haut/bas
2) (lined, stiffened)canvas-/foam-backed — doublé de toile/de mousse
3) ( supported)4) ( financed)•Phrasal Verbs:- back off- back out- back up••he's always on my back — (colloq) il est toujours sur mon dos
to break the back of a journey/task — faire le plus gros du voyage/travail
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5 back up
phrvi infml esp AmE1)2)Don't back up now, man. It's too late — Назад уже пути нет. Слишком поздно
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6 Brunel, Isambard Kingdom
SUBJECT AREA: Civil engineering, Land transport, Mechanical, pneumatic and hydraulic engineering, Ports and shipping, Public utilities, Railways and locomotives[br]b. 9 April 1806 Portsea, Hampshire, Englandd. 15 September 1859 18 Duke Street, St James's, London, England[br]English civil and mechanical engineer.[br]The son of Marc Isambard Brunel and Sophia Kingdom, he was educated at a private boarding-school in Hove. At the age of 14 he went to the College of Caen and then to the Lycée Henri-Quatre in Paris, after which he was apprenticed to Louis Breguet. In 1822 he returned from France and started working in his father's office, while spending much of his time at the works of Maudslay, Sons \& Field.From 1825 to 1828 he worked under his father on the construction of the latter's Thames Tunnel, occupying the position of Engineer-in-Charge, exhibiting great courage and presence of mind in the emergencies which occurred not infrequently. These culminated in January 1828 in the flooding of the tunnel and work was suspended for seven years. For the next five years the young engineer made abortive attempts to find a suitable outlet for his talents, but to little avail. Eventually, in 1831, his design for a suspension bridge over the River Avon at Clifton Gorge was accepted and he was appointed Engineer. (The bridge was eventually finished five years after Brunel's death, as a memorial to him, the delay being due to inadequate financing.) He next planned and supervised improvements to the Bristol docks. In March 1833 he was appointed Engineer of the Bristol Railway, later called the Great Western Railway. He immediately started to survey the route between London and Bristol that was completed by late August that year. On 5 July 1836 he married Mary Horsley and settled into 18 Duke Street, Westminster, London, where he also had his office. Work on the Bristol Railway started in 1836. The foundation stone of the Clifton Suspension Bridge was laid the same year. Whereas George Stephenson had based his standard railway gauge as 4 ft 8½ in (1.44 m), that or a similar gauge being usual for colliery wagonways in the Newcastle area, Brunel adopted the broader gauge of 7 ft (2.13 m). The first stretch of the line, from Paddington to Maidenhead, was opened to traffic on 4 June 1838, and the whole line from London to Bristol was opened in June 1841. The continuation of the line through to Exeter was completed and opened on 1 May 1844. The normal time for the 194-mile (312 km) run from Paddington to Exeter was 5 hours, at an average speed of 38.8 mph (62.4 km/h) including stops. The Great Western line included the Box Tunnel, the longest tunnel to that date at nearly two miles (3.2 km).Brunel was the engineer of most of the railways in the West Country, in South Wales and much of Southern Ireland. As railway networks developed, the frequent break of gauge became more of a problem and on 9 July 1845 a Royal Commission was appointed to look into it. In spite of comparative tests, run between Paddington-Didcot and Darlington-York, which showed in favour of Brunel's arrangement, the enquiry ruled in favour of the narrow gauge, 274 miles (441 km) of the former having been built against 1,901 miles (3,059 km) of the latter to that date. The Gauge Act of 1846 forbade the building of any further railways in Britain to any gauge other than 4 ft 8 1/2 in (1.44 m).The existence of long and severe gradients on the South Devon Railway led to Brunel's adoption of the atmospheric railway developed by Samuel Clegg and later by the Samuda brothers. In this a pipe of 9 in. (23 cm) or more in diameter was laid between the rails, along the top of which ran a continuous hinged flap of leather backed with iron. At intervals of about 3 miles (4.8 km) were pumping stations to exhaust the pipe. Much trouble was experienced with the flap valve and its lubrication—freezing of the leather in winter, the lubricant being sucked into the pipe or eaten by rats at other times—and the experiment was abandoned at considerable cost.Brunel is to be remembered for his two great West Country tubular bridges, the Chepstow and the Tamar Bridge at Saltash, with the latter opened in May 1859, having two main spans of 465 ft (142 m) and a central pier extending 80 ft (24 m) below high water mark and allowing 100 ft (30 m) of headroom above the same. His timber viaducts throughout Devon and Cornwall became a feature of the landscape. The line was extended ultimately to Penzance.As early as 1835 Brunel had the idea of extending the line westwards across the Atlantic from Bristol to New York by means of a steamship. In 1836 building commenced and the hull left Bristol in July 1837 for fitting out at Wapping. On 31 March 1838 the ship left again for Bristol but the boiler lagging caught fire and Brunel was injured in the subsequent confusion. On 8 April the ship set sail for New York (under steam), its rival, the 703-ton Sirius, having left four days earlier. The 1,340-ton Great Western arrived only a few hours after the Sirius. The hull was of wood, and was copper-sheathed. In 1838 Brunel planned a larger ship, some 3,000 tons, the Great Britain, which was to have an iron hull.The Great Britain was screwdriven and was launched on 19 July 1843,289 ft (88 m) long by 51 ft (15.5 m) at its widest. The ship's first voyage, from Liverpool to New York, began on 26 August 1845. In 1846 it ran aground in Dundrum Bay, County Down, and was later sold for use on the Australian run, on which it sailed no fewer than thirty-two times in twenty-three years, also serving as a troop-ship in the Crimean War. During this war, Brunel designed a 1,000-bed hospital which was shipped out to Renkioi ready for assembly and complete with shower-baths and vapour-baths with printed instructions on how to use them, beds and bedding and water closets with a supply of toilet paper! Brunel's last, largest and most extravagantly conceived ship was the Great Leviathan, eventually named The Great Eastern, which had a double-skinned iron hull, together with both paddles and screw propeller. Brunel designed the ship to carry sufficient coal for the round trip to Australia without refuelling, thus saving the need for and the cost of bunkering, as there were then few bunkering ports throughout the world. The ship's construction was started by John Scott Russell in his yard at Millwall on the Thames, but the building was completed by Brunel due to Russell's bankruptcy in 1856. The hull of the huge vessel was laid down so as to be launched sideways into the river and then to be floated on the tide. Brunel's plan for hydraulic launching gear had been turned down by the directors on the grounds of cost, an economy that proved false in the event. The sideways launch with over 4,000 tons of hydraulic power together with steam winches and floating tugs on the river took over two months, from 3 November 1857 until 13 January 1858. The ship was 680 ft (207 m) long, 83 ft (25 m) beam and 58 ft (18 m) deep; the screw was 24 ft (7.3 m) in diameter and paddles 60 ft (18.3 m) in diameter. Its displacement was 32,000 tons (32,500 tonnes).The strain of overwork and the huge responsibilities that lay on Brunel began to tell. He was diagnosed as suffering from Bright's disease, or nephritis, and spent the winter travelling in the Mediterranean and Egypt, returning to England in May 1859. On 5 September he suffered a stroke which left him partially paralysed, and he died ten days later at his Duke Street home.[br]Further ReadingL.T.C.Rolt, 1957, Isambard Kingdom Brunel, London: Longmans Green. J.Dugan, 1953, The Great Iron Ship, Hamish Hamilton.IMcNBiographical history of technology > Brunel, Isambard Kingdom
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