Frasi di Marco Vitruvio Pollione

Marco Vitruvio Pollione photo
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Marco Vitruvio Pollione

Data di nascita: 80 a.C.
Data di morte: 15 a.C.

Marco Vitruvio Pollione è stato un architetto e scrittore romano, attivo nella seconda metà del I secolo a.C., considerato il più famoso teorico dell'architettura di tutti i tempi.

Lavori

De architectura
Marco Vitruvio Pollione

Frasi Marco Vitruvio Pollione

„La scienza dell'architetto si adorna di molte discipline e di svariata erudizione: egli deve essere in grado di giudicare tutte quelle opere che le singole arti costruiscono.“

—  Marco Vitruvio Pollione

Origine: Da Architettura, I,1,1, traduzione di S. Ferri, Palombi, Roma, 1960. Citato in Bruno Gentili, Luciano Stupazzini, Manlio Simonetti, Antologia della letteratura latina, Editori Laterza, Roma-Bari, 1989, p. 499.

„Oak… lasts for an unlimited period when buried in underground structures.“

—  Vitruvius, libro De architectura

...when exposed to moisture... it cannot take in liquid on account of its compactness, but, withdrawing from the moisture, it resists it and warps, thus making cracks.
Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter IX, Sec. 8

„But if the moisture is sucked out of the mortar by the porous rubble, and the lime and sand separate and disunite“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VIII, Sec. 2
Contesto: Both kinds should be constructed of the smallest stones, so that the walls, being thoroughly puddled with the mortar, which is made of lime and sand, may hold together longer. If the stones used are soft and porous, they are apt to suck the moisture out of the mortar and so to dry it up. But when there is abundance of lime and sand, the wall, containing more moisture, will not soon lose its strength, for they will hold it together. But if the moisture is sucked out of the mortar by the porous rubble, and the lime and sand separate and disunite, the rubble can no longer adhere to them and the wall will in time become a ruin.

„Hence buildings made of these kinds of wood last for an unending period of time.“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter IX, Sec. 12
Contesto: The hornbeam... is not a wood that breaks easily and is very convenient to handle. Hence the Greeks call it "zygia," because they make of it yokes for their draught animals... Cypress and pine are also just as admirable; for although they... are apt to warp when used in buildings... they can be kept to a great age without rotting because the liquid contained within their substances has a bitter taste which by its pungency prevents the entrance of decay or of those little creatures which are destructive. Hence buildings made of these kinds of wood last for an unending period of time.

„Lay a second foundation enough inside the first“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book I, Chapter V, Sec. 7
Contesto: Lay a second foundation enough inside the first... Having laid these two foundations... build cross walls between them uniting the outer and inner foundation in a comb like arrangement set like teeth of a saw. With this form of construction the burden of earth will be distributed into small bodies and will not lie with all its weight in one crushing mass so as to thrust out substructures.

„Travertine and all stone of that class can stand injury“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 2
Contesto: Travertine and all stone of that class can stand injury whether from a heavy load laid upon it or from the weather; exposure to fire, however, it cannot bear, but splits and cracks to pieces at once. This is because in its natural composition there is but little moisture and not much of the earthy, but a great deal of air and of fire. Therefore, it is not only without the earthy and watery elements, but when fire, expelling the air from it by the operation and force of heat, penetrates into its inmost parts and occupies the empty spaces of the fissures there comes a great glow and the stone is made to burn as fiercely as do the particles of fire itself.

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„With the ripening of the fruits in Autumn“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter IX, Sec. 2
Contesto: With the ripening of the fruits in Autumn the leaves begin to wither and the trees, taking up their sap from the earth through the roots, recover themselves and are restored to their former solid texture. But the strong air of winter compresses and solidifies them.

„Bricks… should not be made of sandy or pebbly clay, or of fine gravel“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter III "Brick" Sec. 1
Contesto: Bricks... should not be made of sandy or pebbly clay, or of fine gravel, because when made of these kinds they are in the first place heavy; and secondly when washed by the rain as they stand in walls, they go to pieces and break up, and the straw in them does not hold together on account of the roughness of the material. They should rather be made of white and chalky or of red clay, or even of a coarse grained gravelly clay. These materials are smooth and therefore durable; they are not heavy to work with, and are readily laid.

„The properties of the soil are as different and unlike as are the various countries.“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VI, Sec. 5
Contesto: There will still be the question why Tuscany, although it abounds in hot springs, does not furnish a powder out of which, on the same principle, a wall can be made which will set fast under water.... The properties of the soil are as different and unlike as are the various countries.... Hence it is not in all the places where boiling springs of hot water abound that there is the same combination of favourable circumstances... For things are produced in accordance with the will of nature; not to suit man's pleasure, but as it were by a chance distribution.

„This is because there is a very small proportion of the elements of fire and air in its composition“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter IX, Sec. 14
Contesto: The larch... is not only preserved from decay and the worm by the great bitterness of its sap, but also it cannot be kindled with fire nor ignite of itself, unless like stone in a limekiln it is burned with other wood.... This is because there is a very small proportion of the elements of fire and air in its composition, which is a dense and solid mass of moisture and the earthy, so that it has no open pores through which fire can find its way... Further, its weight will not let it float in water.

„The stone in quarries is found to be of different and unlike qualities. In some it is soft… in others it is medium… in still others it is hard as in lava quarries. There are also numerous other kinds:“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 1
Contesto: The stone in quarries is found to be of different and unlike qualities. In some it is soft... in others it is medium... in still others it is hard as in lava quarries. There are also numerous other kinds: for instance, in Campania, red and black tufas; in Umbria, Picenum, and Venetia, white tufa which can be cut with a toothed saw like wood.

„But more careful investigators tell us that there are eight.“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book I, Chapter VI, Sec. 4
Contesto: Some have held that there are only four winds: Solanus from the east; Auster from the south; Favonius from due west; Septentrio from the north. But more careful investigators tell us that there are eight.

„Let the stone be taken from the quarry two years before“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 5
Contesto: Since, on account of the proximity of the stone-quarries... nearest to the city, necessity drives us to make use of their products, we must proceed as follows if we wish our work to be finished without flaws. Let the stone be taken from the quarry two years before building is to begin, and not in winter, but in summer. Then let it lie exposed in an open place. Such stone as been damaged by the two years of exposure should be used in the foundations. The rest, which remains unhurt, has passed the test of nature and will endure in those parts of the building which are above ground. This precaution should be observed, not only with dimension stone, but also with the rubble which is to be used in walls.

„If there are no sandpits from which it can be dug, then we must sift it out from river beds or from gravel or even from the sea beach. This kind however has these defects when used in masonry“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter IV, Sec. 2
Contesto: If there are no sandpits from which it can be dug, then we must sift it out from river beds or from gravel or even from the sea beach. This kind however has these defects when used in masonry: it dries slowly... and such a wall cannot carry vaultings. Furthermore, when sea-sand is used in walls and these are coated with stucco, a salty efflorescence is given out which spoils the surface.

„After slaking it, mix your mortar“

—  Vitruvius, libro De architectura

Origine: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter V "Lime" Sec. 1
Contesto: With regard to lime we must be careful that it is burned from a stone which, whether soft or hard, is in any case white. Lime made of close-grained stone of the harder sort will be good in structural parts; lime of porous stone, in stucco. After slaking it, mix your mortar, if using pitsand, in the proportions of three parts of sand to one of lime; if using river or sea-sand, mix two parts of sand with one of lime. These will be the right proportions for the composition of the mixture. Further, in using river or sea-sand, the addition of a third part composed of burnt brick, pounded up and sifted, will make your mortar of a better composition to use.

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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