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.

Pubblicità

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.

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Frasi Marco Vitruvio Pollione

Pubblicità

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

—  Vitruvius
Context: Oak... lasts for an unlimited period when buried in underground structures.... 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. 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
Context: 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. Chapter VIII, Sec. 2

„Our workmen, in their hurry to finish, devote themselves only to the facings“

—  Vitruvius
Context: Our workmen, in their hurry to finish, devote themselves only to the facings of the walls, setting them upright but filling the space between with a lot of broken stones and mortar thrown in anyhow. This makes three different sections in the same structure; two consisting of facing and one of filling between them. The Greeks, however, do not build so; but laying their stones level and building every other stone lengthwise into the thickness, they do not fill the space between, but construct the thickness of their walls in one solid and unbroken mass from the facings to the interior. Further, at intervals they lay single stones which run through the entire thickness of the wall. These stones... by their bonding powers... add very greatly to the solidity of the walls. Chapter VIII, Sec. 7

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„Further, at intervals they lay single stones which run through the entire thickness of the wall.“

—  Vitruvius
Context: Our workmen, in their hurry to finish, devote themselves only to the facings of the walls, setting them upright but filling the space between with a lot of broken stones and mortar thrown in anyhow. This makes three different sections in the same structure; two consisting of facing and one of filling between them. The Greeks, however, do not build so; but laying their stones level and building every other stone lengthwise into the thickness, they do not fill the space between, but construct the thickness of their walls in one solid and unbroken mass from the facings to the interior. Further, at intervals they lay single stones which run through the entire thickness of the wall. These stones... by their bonding powers... add very greatly to the solidity of the walls. Chapter VIII, Sec. 7

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

—  Vitruvius
Context: 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. Chapter III "Brick" Sec. 1

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

—  Vitruvius
Context: 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. Chapter VI, Sec. 5

„For the eye is always in search of beauty,“

—  Vitruvius
Context: For the eye is always in search of beauty, and if we do not gratify its desire for pleasure by a proportionate enlargement in these measures, and thus make compensation for ocular deception, a clumsy and awkward appearance will be presented to the beholder. Chapter III, Sec. 13

Pubblicità

„There is no kind of material, no body, and no thing that can be produced or conceived of, which is not made up of elementary particles;“

—  Vitruvius
Context: There is no kind of material, no body, and no thing that can be produced or conceived of, which is not made up of elementary particles; and nature does not admit of a truthful exploration in accordance with the doctrines of the physicists without an accurate demonstration of the primary causes of things, showing how and why they are as they are. Chapter I, Sec. 9

„Where there is no pitsand, we must use the kinds washed up by rivers or by the sea“

—  Vitruvius
Context: Economy denotes the the proper management of materials and of site, as well as a thrifty balancing of cost and common sense in the construction of works.... the architect does not demand things which cannot be found or made ready without great expense. For example: it is not everywhere that there is plenty of pitsand, rubble, fir, clear fir, and marble... Where there is no pitsand, we must use the kinds washed up by rivers or by the sea... and other problems we must solve in similar ways. Chapter II, Sec. 8

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

—  Vitruvius
Context: 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. Chapter IX, Sec. 14

„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
Context: 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. Chapter VII, Sec. 1

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