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thin mortar

Толкование Перевод

1 мелкодисперсный строительный раствор

thin mortar

Русско-английский словарь по строительству и новым строительным технологиям > мелкодисперсный строительный раствор
2 жидкий раствор

1) Engineering: larry, liquid solution

2) Construction: grout

3) Mining: thin mixture (цементный), (цементный) thin mortar

4) Metallurgy: fluid solution

5) Food industry: slurry

6) Automation: liquid solution (напр. углерода в железе)

Универсальный русско-английский словарь > жидкий раствор
3 жидкий (цементный) раствор

Mining: thin mortar

Универсальный русско-английский словарь > жидкий (цементный) раствор
4 мелкодисперсный раствор

Engineering: thin mortar (для цементации)

Универсальный русско-английский словарь > мелкодисперсный раствор
5 мелкодисперсный раствор

( для цементации) thin mortar

Русско-английский политехнический словарь > мелкодисперсный раствор
6 раствор, укладываемый тонким слоем
1. thin layer masonry mortar
раствор, укладываемый тонким слоем
Раствор по подбору состава с размером зерен менее или равным установленному значению.
[Англо-русский словарь по проектированию строительных конструкций. МНТКС, Москва, 2011]

Тематики
- строительные конструкции
EN
- thin layer masonry mortar
Русско-английский словарь нормативно-технической терминологии > раствор, укладываемый тонким слоем
7 жидкий цементный раствор

1) Construction: cement grout

2) Railway term: wet grout

3) Mining: thin (cement) slurry, thin cement grout, weak cement grout, wet cement grout

4) Oil: fluid cement grouping, fluid cement grout, thin cement slurry, grout, slurry, slush

5) oil&gas: wet cement

6) Cement: cement mortar, grout mix, grout mixture, mortar

Универсальный русско-английский словарь > жидкий цементный раствор
8 тощий

1) empty

2) lean
3) meager
4) thin
– тощий бетон
– тощий уголь
– тощий штейн

тощий масляный лак — short oil varnish

тощий строительный раствор — lean mortar

тощий формовочный песок — lean molding sand

Русско-английский технический словарь > тощий
9 porter

porter [pɔʀte]

➭ TABLE 1

1. transitive verb

   a. [+ parapluie, paquet, valise] to carry ; [+ responsabilité] to bear

• cette poutre porte tout le poids du plafond this beam bears the whole weight of the ceiling

   b. ( = apporter) to take

• porter qch à qn to take sth to sb

• porte-lui ce livre take him this book

• je vais porter la lettre à la boîte I'm going to take the letter to the postbox

• porter la main à son front to put one's hand to one's brow

• porter de l'argent à la banque to take some money to the bank

• porter l'affaire sur la place publique/devant les tribunaux to take the matter into the public arena/before the courts

• porter une œuvre à l'écran/à la scène to make a film/stage a play based on a work

   c. [+ vêtement, bague, laine, lunettes] to wear ; [+ barbe] to have ; [+ nom] to bear

• porter les cheveux longs to wear one's hair long

• elle porte bien son âge she looks good for her age

• on lui a fait porter le chapeau (inf) he took the rap (inf)

   d. ( = montrer) [+ signe, trace, blessure, inscription, date] to bear

   e. ( = inscrire) [+ nom] to put down

• porter de l'argent au crédit d'un compte to credit an account with some money

• se faire porter malade to go sick

• porté disparu reported missing

   f. ( = ressentir) [+ amour, haine] to feel (à for)

   g. (en soi) [+ enfant] to carry ; [+ graines, fruit] to bear

• porter ses fruits to bear fruit

   h. ( = conduire, amener) to carry ; ( = entraîner) [foi] to carry along

• porter qn au pouvoir to bring sb to power

• porter qch à sa perfection to bring sth to perfection

• cela porte le nombre de blessés à 20 that brings the number of casualties (up) to 20

   i. ( = inciter) porter qn à faire qch to lead sb to do sth

• tout (nous) porte à croire que... everything leads us to believe that...

2. intransitive verb

   a. [bruit, voix, canon] to carry

   b. [reproche, coup] to hit home

   c. ( = frapper) c'est la tête qui a porté his head took the blow

   d. ( = reposer) [poids] porter sur to be supported by

   e. ► porter sur ( = concerner) [débat, cours] to be about ; [revendications, objection] to concern ; [étude, effort] to be concerned with ; [accent] to fall on

3. reflexive verb

► se porter

   a. [personne]

se porter bien/mal to be well/unwell

• se porter comme un charme to be fighting fit

• et je ne m'en suis pas plus mal porté and I was no worse off for it

   b. ( = se présenter comme) se porter candidat to run as a candidate

• se porter acquéreur (de) to put in a bid (for)

   c. ( = aller) to go

• se porter sur ( = se diriger vers) [soupçon, choix] to fall on

   d. ( = être porté) [vêtement] les jupes se portent très courtes the fashion is for very short skirts

• ça ne se porte plus that's out of fashion

* * *
pɔʀte
1.

verbe transitif

1) ( transporter) to carry [chose, personne]

porter quelqu'un sur son lit — to get somebody into bed

2) ( apporter)

porter quelque chose quelque part — to take something somewhere

porter des messages — to run messages

porter une affaire devant les tribunaux — to bring a case to court

3) ( soutenir) [mur, chaise] to carry, to bear [poids]

l'eau te portera — the water will hold you up

porter quelqu'un à bout de bras — fig to take on somebody's problems

porter l'espoir de millions d'hommes — to be the focus for the hopes of millions

4) ( avoir sur soi) to wear [robe, bijou, verres de contact]; to have [cheveux longs, moustache]

porter les armes — to bear arms

porter une arme — to be armed

5) ( avoir) to have [initiales, date, titre]; to bear [sceau]

portant le numéro 300 — with the number 300

le document porte la mention ‘secret’ — the document is marked ‘secret’

ils ne portent pas le même nom — they have different names

il porte bien son nom — the name suits him

bien porter son âge — to look good for one's age

porter des traces de sang — to be blood-stained

portant une expression de découragement — looking discouraged

porter en soi une grande volonté de réussir — to be full of ambition

6) ( produire) to bear [fleurs]

porter des fruits — lit

porter ses fruits — fig to bear fruit

l'enfant qu'elle porte — the child she is carrying

le roman qu'il porte en lui — his great unwritten novel

7) ( amener)

cela porte le prix du billet à... — this brings the price of the ticket to...

porter un taux à — to put a rate up to

porter la température de l'eau à 80°C — to heat the water to 80°C

porter quelqu'un au pouvoir — to bring somebody to power

8) ( diriger)

porter son regard vers — to look at

porter quelque chose à sa bouche — to raise something to one's lips

si tu portes la main sur elle — if you lay a finger on her

l'estime qu'elle te porte — her respect for you

porter ses efforts sur quelque chose — to devote one's energies to something

porter un jugement sur quelque chose — to pass judgment on something

9) ( inscrire)

porter quelque chose sur un registre — to enter something on a register

être porté disparu — to be reported missing

se faire porter malade or pâle — (colloq) to go (colloq) ou report sick

10) ( inciter)

porter quelqu'un à se méfier — to make somebody cautious

tout nous porte à croire que — everything leads us to believe that

11) (donner, causer)

porter bonheur or chance — to be lucky

porter malheur — to be unlucky

ça m'a porté bonheur — it brought me luck

ça m'a porté malheur — it was unlucky

2.

porter sur verbe transitif indirect

1) ( concerner)

porter sur — [débat, article] to be about; [mesure, interdiction] to apply to

2) ( reposer sur)

porter sur — [structure] to be resting on

3) ( heurter)

porter sur — to hit

3.

verbe intransitif

une voix qui porte — a voice that carries

le coup a porté — the blow hit home

un canon qui porte à 500 mètres — a cannon with a range of 500 metres [BrE]

4.

se porter verbe pronominal

1) ( se sentir)

se porter bien/mal — [personne] to be well/ill; [affaire] to be going well/badly

je ne m'en porte pas plus mal — I'm none the worse for it

je me porte à merveille — I'm absolutely fine

2) ( être mis)

cela se porte avec des chaussures plates — you wear it with flat shoes

cela ne se porte plus — it has gone out of fashion

3) ( se diriger)

se porter sur — [soupçon] to fall on

le choix se porta sur le vase — they/she etc chose the vase

tous les regards se sont portés vers le ciel/vers lui — everyone looked toward(s) the sky/in his direction

4) ( se propager)

se porter sur — to spread to

* * *
pɔʀte
1. vt

1) [charge, sac, valise, colis] to carry

Il portait une valise. — He was carrying a suitcase.

2) (= apporter)

porter qch quelque part — to take sth somewhere

porter qch à qn — to take sth to sb

3) (sur soi) [vêtement, barbe, bague] to wear

Elle porte une jolie robe bleue. — She's wearing a lovely blue dress.

4) (= mettre)

porter la main à son chapeau — to raise one's hand to one's hat

porter qn au pouvoir — to bring sb to power

porter son effort sur — to direct one's efforts towards

porter un fait à la connaissance de qn — to bring a fact to sb's attention, to bring a fact to sb's notice

5) (= inciter)

porter qn à croire — to lead sb to believe

être porté à faire — to be inclined to do

6) [fruits, fleurs] [arbre] to bear

7) [enfant] [femme enceinte] to carry

8) [responsabilité] to bear, to carry

9) [inscription, titre] to bear

Elle portait le nom de Rosalie. — She went by the name of Rosalie.

10) (= inscrire)

porter qch sur [registre] — to write sth down in, to enter sth in

porter de l'argent au crédit d'un compte — to credit an account with money

se faire porter malade — to report sick

11) [jugement] to pass

porter jugement sur — to pass judgement on

porter jugement contre — to pass judgement against

12) (autres locutions)

porter un toast — to drink a toast

porter bonheur à qn — to bring sb luck

porter son âge — to look one's age

2. vi

1) [voix] to carry

2) [coup, argument] to hit home

3) (autres locutions)

porter sur [conférence] — to be about, (= peser) to rest on, [accent] to fall on, (= heurter) [choc] to strike

* * *

porter verb table: aimer

A vtr

1 ( transporter) to carry [chose, personne]; porter qn sur son lit to get sb into bed; porter qn sur son dos to carry sb on one's back, to give sb a piggyback○; tu ne dois rien porter you mustn't carry anything heavy;

2 ( apporter) porter qch quelque part to take sth somewhere [lettre, paquet]; porter qch à qn to take sb sth, to bring sb sth US; porter des messages to run messages; porter la bonne nouvelle to spread the word; porter une affaire devant les tribunaux to bring a case to court;

3 ( soutenir) [mur, chaise] to carry, to bear [poids]; mes jambes ne me portent plus my legs are giving out; l'eau te portera the water will hold you up; être porté par le vent [sable, papier] to be blown along by the wind; porter qn à bout de bras fig to take on sb's problems; mes parents sont lourds à porter my parents are emotionally demanding; porter l'espoir de millions d'hommes to be the focus for the hopes of millions; être porté par un mouvement d'espoir to be carried along by a surge of optimism;

4 ( avoir sur soi) to wear [robe, bijou, verres de contact]; to have [cheveux longs, balafre]; to have, to wear [barbe, moustache]; porter les armes to bear arms; porter une arme to be armed;

5 ( avoir) to have [initiales, date, titre]; to bear [sceau]; ne pas porter de date not to have a date, to be undated; ne pas porter de titre not to have a title, to be untitled; portant le numéro 300 with the number 300; le document porte la mention ‘secret ’ the document is marked ‘secret’; ils ne portent pas le même nom they have different names; quel prénom porte-t-elle? what's her first name?; elle porte le nom de son mari she has taken her husband's name; le nom que je porte est celui de ma grand-mère I'm named after my grandmother; il porte bien son nom the name suits him; bien porter son âge to look good for one's age; porter des traces de sang to be blood-stained; l'arbre ne portait plus de feuilles the tree was bare of leaves; portant une expression de découragement sur son visage looking discouraged; porter en soi une grande volonté de réussir to be full of ambition; cela porter en soi quelques risques it's inherently risky;

6 ( produire) to bear [fleurs]; porter des fruits lit, fig to bear fruit; l'enfant qu'elle porte the child she is carrying; le roman qu'il porte en lui his great unwritten novel;

7 ( amener) porter qch à [situation, événement] to bring sth to; [personne, entreprise, administration] to put sth up to; cela porte la cotisation/le prix du billet d'avion/le nombre des victimes à… this brings the subscription/the price of the plane ticket/the death toll to…; porter un taux/une cotisation à to put a rate/a subscription up to; porter la température de l'eau à 80°C to heat the water to 80°C; porter qn au pouvoir to bring sb to power; porter qn à la tête d'une entreprise to take sb to the top of a company;

8 ( diriger) porter son regard vers to look at; porter qch à sa bouche to raise sth to one's lips; porter qch à son oreille to hold sth to one's ear; porter la main à son chapeau to lift one's hat; si tu portes la main sur elle if you lay a finger on her; porter de l'intérêt à qch to be interested in sth; l'estime/l'amour qu'elle te porte her respect/love for you; porter ses efforts sur qch to devote one's energies to sth; porter un jugement sur qch to pass judgment on sth; faire porter ses accusations sur to direct one's accusations at;

9 ( inscrire) porter qch sur un registre to enter sth on a register; porter une somme au crédit de qn to credit a sum to sb's account; être porté disparu to be reported missing; se faire porter malade or pâle○ to go○ ou report sick; porter témoignage to bear witness; porter plainte to lodge a complaint;

10 ( inciter) porter qn à être méfiant or à se méfier to make sb cautious; tout le porte à la méfiance everything inclines him to caution; tout nous porte à croire que everything leads us to believe that;

11 (donner, causer) porter partout la mort et la destruction to spread death and destruction; porter bonheur or chance to be lucky; porter malheur to be unlucky; ça m'a porté bonheur it brought me luck; ça m'a porté malheur it was unlucky; ⇒ nuit.

B porter sur vtr ind

1 ( concerner) porter sur [débat, article] to be about; [mesure, accord] to concern, to apply to; [interdiction] to apply to; l'impôt porte sur les objets de luxe the tax applies to luxury goods; l'accent porte sur la deuxième syllabe the accent is on the second syllable;

2 ( reposer sur) porter sur [structure] to be resting on;

3 ( heurter) porter sur to hit.

C vi une voix qui porte a voice that carries; des arguments qui portent convincing arguments; ta critique a porté your criticism hit home; le coup a porté the blow hit home; porter contre un mur to hit a wall; un canon qui porte à 500 mètres a cannon with a range of 500 metres^GB; les mortiers ne portent pas jusqu'ici we are out of mortar range.

D se porter vpr

1 ( se sentir) elle se porte bien/mal/mieux [personne] she is well/ill/better; [affaire] it's going well/badly/better; comment se porte votre femme? how is your wife?; je ne m'en porte pas plus mal I'm none the worse for it; je me porte à merveille I'm absolutely fine;

2 ( être mis) [vêtement, bijou, chapeau] cela se porte avec des chaussures plates you wear it with flat shoes; les jupes se portent juste au-dessus du genou cet hiver skirts are being worn just above the knee this year; cela ne se porte plus it has gone out of fashion;

3 (aller, se diriger) se porter à la rencontre de qn ( aller) to go to meet sb; ( venir) to come to meet sb; se porter sur [soupçon] to fall on; le choix se porta sur le vase bleu they/she etc chose the blue vase; tous les regards se sont portés vers le ciel/vers lui everyone looked toward(s) the sky/in his direction; se porter à des excès to overindulge;

4 ( se propager) se porter sur to spread to; ça s'est porté sur les poumons it spread to the lungs.

I

[pɔrte] verbe transitif

A.[TENIR, SUPPORTER]

1. [soutenir - colis, fardeau, meuble] to carry ; [ - bannière, pancarte, cercueil] to carry, to bear

deux piliers portent le toit two pillars take the weight of ou support the roof

la glace n'est pas assez épaisse pour nous porter the ice is too thin to bear our weight

porter quelqu'un sur son dos/dans ses bras to carry somebody on one's back/in one's arms

ses jambes ne la portaient plus her legs couldn't carry her anymore

se laisser porter par le courant to let oneself be carried (away) by the current

(en usage absolu)

l'eau de mer porte plus que l'eau douce sea water is more buoyant than fresh water

(figuré)

elle porte bien son âge she looks young for her age

porter la responsabilité de to bear (the) responsibility for

2. [soutenir moralement - suj: foi, religion] to give strength to, to support

c'est l'espoir de le retrouver qui la porte the hope of finding him again keeps her going

B.[METTRE, AMENER]

1. [amener] to take, to bring

porter quelque chose à quelqu'un to take something to somebody

porter des fleurs sur la tombe de quelqu'un to take flowers to somebody's grave

se faire porter un repas to have a meal brought (to one)

[mettre]

porter une œuvre à l'écran/à la scène to adapt a work for the screen/the stage

porter le débat sur la place publique to make the debate public

porter une affaire devant les tribunaux to take ou to bring a matter before the courts

porter quelqu'un/quelque chose à: porter quelqu'un au pouvoir to bring somebody to power

porter son art à la perfection to perfect one's art

cela porte le total à 506 euros that brings the total (up) to 506 euros

les frais d'inscription ont été portés à 25 euros the registration fees have been increased ou raised to 25 euros

porter quelque chose à ébullition CUISINE to bring something to the boil

porter quelque chose au rouge MÉTALLURGIE to heat something to red-heat

2. [diriger]

porter sa ou la main à sa tête to raise one's hand to one's head

il porta la main à sa poche he put his hand to his pocket

il porta la main à son revolver he reached for his gun

porter son regard vers ou sur to look towards ou in the direction of

porter ses pas vers to make one's way towards, to head for

3. [enregistrer - donnée] to write ou to put down (separable)

porter sa signature sur un registre to sign a register

porte ce point sur le graphique plot that point onto the graph

se faire porter absent/malade to go absent/sick

porter quelqu'un disparu to report somebody missing

porter 200 euros au crédit de quelqu'un to credit somebody's account with 200 euros, to credit 200 euros to somebody's account

porter 200 euros au débit de quelqu'un to debit 200 euros from somebody's account

4. [appliquer - effort, énergie] to direct, to bring, to bear

porter son attention sur to focus one's attention on, to turn one's attention to

porter son choix sur to choose

porter une accusation contre quelqu'un to bring a charge against somebody

il a fait porter tout son effort ou ses efforts sur la réussite du projet he did his utmost to make the project successful

porter ses vues sur quelqu'un

a. [pour accomplir une tâche] to have somebody in mind (for a job)

b. [pour l'épouser] to have one's eye on somebody

5. [inciter]

porter quelqu'un à quelque chose: mon intervention l'a portée à plus de clémence my intervention made her inclined ou prompted her to be more lenient

l'alcool peut porter les gens à des excès/à la violence alcohol can drive people to excesses/induce people to be violent

tout porte à croire que... everything leads one to believe that...

tous les indices portent à penser que c'est lui le coupable all the evidence suggests he is the guilty one

être porté à faire to be inclined to do

être porté sur: il est porté sur la boisson ou (familier) bouteille he likes a drink

être porté sur la chose (familier & euphémisme) to have a one-track mind

6. [éprouver]

porter de l'intérêt à quelqu'un/quelque chose to be interested in somebody/something

porter de l'admiration à quelqu'un to admire somebody

je lui porte beaucoup d'amitié I hold him very dear

l'amour qu'il lui portait the love he felt for her

la haine qu'il lui portait the hatred he felt towards her ou bore her

C.[AVOIR SUR SOI, EN SOI]

1. [bijou, chaussures, lunettes, vêtement] to wear, to have on (separable)

[badge, décoration] to wear

[barbe, couettes, moustache, perruque] to have

[cicatrice] to bear, to have, to carry

[pistolet, stylo] to carry

son cheval porte le numéro 5 his horse is number 5

elle porte toujours du noir she always dresses in ou wears black

porter les cheveux longs/courts/relevés to wear one's hair long/short/up

2. [laisser voir - trace] to show, to bear ; [ - date, inscription] to bear

l'étui portait ses initiales gravées the case was engraved with his initials

le couteau ne porte aucune empreinte there are no fingerprints on the knife

la signature que porte le tableau the signature (which) appears ou is on the painting

elle portait la résignation sur son visage resignation was written all over ou on her face

3. [nom, prénom, patronyme] to have

il porte le nom de Legrand he's called Legrand

elle porte le nom de son mari she has taken her husband's name

c'est un nom difficile à porter it's not an easy name to be called by

4. [en soi] to carry, to bear

l'espoir/la rancune que je portais en moi the hope/resentment I bore within me

5. MÉDECINE [virus] to carry

tous ceux qui portent le virus all carriers of the virus

6. [enfant, petit, portée] to carry

7. AGRICULTURE & HORTICULTURE [fruits] to bear

la tige porte trois feuilles there are three leaves on the stem

lorsque l'arbre porte ses fleurs when the tree's in bloom

porter ses fruits (figuré) to bear fruit

————————

[pɔrte] verbe intransitif

1. [son, voix] to carry

sa voix ne porte pas assez his voice doesn't carry well

aussi loin que porte la vue as far as the eye can see

[canon, fusil]

porter à to have a range of

le coup de feu a porté à plus de 2 km the shot carried more than 2 km

2. [faire mouche - critique, mot, plaisanterie] to hit ou to strike home ; [ - observation] to be heard ou heeded ; [ - coup] to hit home, to tell

3. [cogner]

c'est le crâne qui a porté the skull took the impact ou the full force

porter sur ou contre to hit

4. [dans l'habillement masculin]

porter à droite/gauche to dress on the right/left

————————

porter sur verbe plus préposition

1. [concerner - suj: discussion, discours, chapitre, recherches] to be about, to be concerned with ; [ - suj: critiques] to be aimed at ; [ - suj: loi, mesures] to concern ; [ - suj: dossier, reportage] to be about ou on

le détournement porte sur plusieurs millions d'euros the embezzlement concerns several million euros

2. [reposer sur - suj: charpente] to rest on

l'accent porte sur la deuxième syllabe LINGUISTIQUE the accent falls on the second syllable, the second syllable is stressed

————————

se porter verbe pronominal (emploi passif)

[bijou, chaussures, vêtement] to be worn

les manteaux se porteront longs cet hiver coats will be (worn) long this winter

————————

se porter verbe pronominal intransitif

1. [personne]

comment vous portez-vous? how do you feel?, how are you (feeling)?

à bientôt, portez-vous bien! see you soon, look after yourself!

il va bientôt s'en aller, je ne m'en porterai que mieux he's going to leave soon and I'll feel all the better for it

nos parents ne prenaient pas de congés et ne s'en portaient pas plus mal our parents never took time off and they were none the worse for it

2. [se proposer comme]

se porter acquéreur de quelque chose to offer to buy something

se porter candidat to put oneself up ou to stand (UK) ou to run (US) as a candidate

se porter caution to stand security

se porter volontaire pour faire to volunteer to do

3. [aller]

se porter au-devant de quelqu'un to go to meet somebody

se porter en tête d'une procession/course to take the lead in a procession/race

il s'est porté à l'avant du peloton he went to the head of the pack

tout son sang s'est porté à sa tête the blood rushed to his head

————————

se porter à verbe pronominal plus préposition

(soutenu) [se livrer à] to give oneself over to, to indulge in

comment a-t-il pu se porter à de telles extrémités? how could he go to such extremes?

————————

se porter sur verbe pronominal plus préposition

[choix, soupçon] to fall on

[conversation] to turn to

tous les regards se portèrent sur elle all eyes turned towards her

II

[pɔrte]

→ link=porté porté

III

[pɔrtɛr] nom masculin

[bière] porter

Dictionnaire Français-Anglais > porter
10 Cai Lun (Tsai Lun)

SUBJECT AREA: Paper and printing

[br]

b. c.57 AD China

d. c.121 AD China

[br]

Chinese Director of Imperial Workshops who is usually credited with the invention of paper.

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He was a confidential secretary to the Emperor. He became Director of the Imperial Workshops and he is said to have invented, or sponsored the invention of, paper around the year 105 AD. Recent studies, however, suggest that paper was already known in China two centuries earlier. The method of making it has hardly varied in principle since that time. The raw materials, then usually old fishing nets and clothing rags, were boiled with water, to which alkali in the form of wood ash was sometimes added. The resulting pulp was then beaten in a stone mortar with a stone or a wooden mallet. The pulp was then mixed and stirred with a large amount of water, and a sieve or mould (formed on a wooden frame carrying a mat of thin reeds sewn together) was dipped into it and was shaken to help the fibres in the layer of pulp to interlock and thus form a sheet of paper. The rest of the process consisted, then as now, of getting rid of the water: the sheets of paper were dried and bleached by leaving them to lie in the sun.

Some of China's many inventions were achieved independently in Western Europe, but it seems that Europe's knowledge of papermaking stems from the Chinese. It was not until the eighth century that it passed into the Islamic world and so, first by contact with the Moors in Spain in the twelfth century, into Western Europe.

Cai Lun was later made a marquis. Further promotion followed when he was regarded as the god of papermaking.

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Further Reading

J.Needham, 1985, Science and Civilisation in China, Cambridge: Cambridge University Press, Vol. V (1): Clerks and Craftsmen in China and the West, 1970.

LRD

Biographical history of technology > Cai Lun (Tsai Lun)
11 Nervi, Pier Luigi

SUBJECT AREA: Architecture and building, Civil engineering

[br]

b. 21 June 1891 Sondrio, Italy

d. 9 January 1979 (?), Italy

[br]

Italian engineer who played a vital role in the use and adaptation of reinforced concrete as a structural material from the 1930s to the 1970s.

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Nervi early established a reputation in the use of reinforced concrete with his stadium in Florence (1930–2). This elegant concrete structure combines graceful curves with functional solidity and is capable of seating some 35,000 spectators. The stadium was followed by the aircraft hangars built for the Italian Air Force at Orvieto and Ortebello, in which he spanned the vast roofs of the hangars with thin-shelled vaults supported by precast concrete beams and steel-reinforced ribs. The structural strength and subtle curves of these ribbed roofs set the pattern for Nervi's techniques, which he subsequently varied and elaborated on to solve problems that arose in further commissions.

Immediately after the Second World War Italy was short of supplies of steel for structural purposes so, in contrast to the USA, Britain and Germany, did not for some years construct any quantity of steel-framed rectangular buildinngs used for offices, housing or industrial use. It was Nervi who led the way to a ferroconcrete approach, using a new type of structure based on these materials in the form of a fine steel mesh sprayed with cement mortar and used to roof all kinds of structures. It was a method that resulted in expressionist curves instead of rectangular blocks, and the first of his great exhibition halls at Turin (1949), with a vault span of 240 ft (73 m), was an early example of this technique. Nervi continued to create original and beautiful ferroconcrete structures of infinite variety: for example, the hall at the Lido di Roma, Ostia; the terme at Chianciano; and the three buildings that he designed for the Rome Olympics in 1960. The Palazzetto dello Sport is probably the most famous of these, for which he co-operated with the architect Annibale Vitellozzi to construct a small sports palace seating 5,000 spectators under a concrete "big top" of 194 ft (59 m) diameter, its enclosing walls supported by thirtysix guy ropes of concrete; inside, the elegant roof displays a floral quality. In 1960 Nervi returned to Turin to build his imaginative Palace of Labour for the centenary celebrations of Garibaldi and Victor Emmanuel in the city. This vast hall, like the Crystal Palace in England a century earlier (see Paxton), had to be built quickly and be suitable for later adaptation. It was therefore constructed partly in steel, and the metal supporting columns rose to palm-leaf capitals reminiscent of those in ancient Nile palaces.

Nervi's aim was always to create functional buildings that simultaneously act by their aesthetic qualities as an effective educational influence. Functionalism for Nervi never became "brutalism". In consequence, his work is admired by the lay public as well as by architects. He collaborated with many of the outstanding architects of the day: with Gio Ponti on the Pirelli Building in Milan (1955–9); with Zehrfuss and Breuer on the Y-plan UNESCO Building in Paris (1953–7); and with Marcello Piacentini on the 16,000-seat Palazzo dello Sport in Rome. Nervi found time to write a number of books on building construction and design, lectured in the Universities of Rio de Janiero and Buenos Aires, and was for many years Professor of Technology and Technique of Construction in the Faculty of Architecture at the University of Rome. He continued to design new structures until well into the 1970s.

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Principal Honours and Distinctions

RIBA Royal Gold Medal 1960. Royal Institute of Structural Engineers Gold Medal 1968. Honorary Degree Edinburgh University, Warsaw University, Munich University, London University, Harvard University. Member International Institute of Arts and Letters, Zurich; American Academy of Arts and Sciences; Royal Academy of Fine Arts, Stockholm.

Bibliography

1956, Structures, New York: Dodge.

1945, Scienza o Arte del Costruire?, Rome: Bussola.

Further Reading

P.Desideri et al., 1979, Pier Luigi Nervi, Bologna: Zanichelli.

A.L.Huxtable, 1960, Masters of World Architecture; Pier Luigi Nervi, New York: Braziller.

DY

Biographical history of technology > Nervi, Pier Luigi

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