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1 peak abutment
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2 acute peak abutment
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3 obtuse peak abutment
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4 остроугольный выступ опорного целика или части нетронутого массива в выработанное пространство
Mining: acute peak abutmentУниверсальный русско-английский словарь > остроугольный выступ опорного целика или части нетронутого массива в выработанное пространство
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5 треугольный выступ опорного целика
Mining: peak abutmentУниверсальный русско-английский словарь > треугольный выступ опорного целика
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6 треугольный выступ части нетронутого массива в выработанное пространство
Mining: peak abutmentУниверсальный русско-английский словарь > треугольный выступ части нетронутого массива в выработанное пространство
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7 тупоугольный выступ опорного целика в выработанное пространство
Mining: obtuse peak abutmentУниверсальный русско-английский словарь > тупоугольный выступ опорного целика в выработанное пространство
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8 тупоугольный выступ части нетронутого массива в выработанное пространство
Mining: obtuse peak abutmentУниверсальный русско-английский словарь > тупоугольный выступ части нетронутого массива в выработанное пространство
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9 pressure
давление; сжатие; напор; прессование; эл. напряжение- pressure at right angle - pressure below the atmospheric - pressure bulb - pressure cabin - pressure casting - pressure contact welding - pressure control valve - pressure curve - pressure difference - pressure distribution - pressure equalizer for twin tyres - pressure fan - pressure gas - pressure gas producer - pressure intensity - pressure jet apparatus - pressure jet burner - pressure lubrication - pressure maintaining valve - pressure meter - pressure nozzle - pressure of burst - pressure of explosion - pressure pump - pressure range - pressure ratio - pressure reducing valve - pressure-reductor valve - pressure regulating valve - pressure regulator - pressure regulator valve - pressure relief - pressure-relief valve - pressure resistance - pressure ring - pressure sensitivity - pressure side - pressure space - pressure spring - pressure stage - pressure stroke - pressure tubing - pressure turbine - pressure unit - pressure valve - pressure-volume diagram - pressure welding - pressure zone - absolute pressure - actual working pressure - assembling pressure - bottom hole pressure - circumferential pressure - dynamic pressure - end pressure - tyre pressure - natural draught pressure - osmotic pressure - permissible pressure - ram pressure - reaction pressure - return pressure - rising pressure - side pressure - soil pressure - spring pressure - standard pressure - subatmospheric pressure - superatmospheric pressure - supercharge pressure - wind pressure - working pressure -
10 Brunelleschi, Filippo
SUBJECT AREA: Architecture and building[br]b. 1377 Florence, Italyd. 15 April 1446 Florence, Italy[br]Italian artist, craftsman and architect who introduced the Italian Renaissance style of classical architecture in the fifteenth century.[br]Brunelleschi was a true "Renaissance Man" in that he excelled in several disciplines, as did most artists of the Italian Renaissance of the fifteenth and sixteenth centuries. He was a goldsmith and sculptor; fifteenth-century writers acknowledge him as the first to study and demonstrate the principles of perspective, and he clearly possessed a deep mathematical understanding of the principles of architectural structure.Brunelleschi's Foundling Hospital in Florence, begun in 1419, is accepted as the first Renaissance building, one whose architectural style is based upon a blend of the classical principles and decoration of Ancient Rome and those of the Tuscan Romanesque. Brunelleschi went on to design a number of important Renaissance structures in Florence, such as the basilicas of San Lorenzo and Santo Spirito, the Pazzi Chapel at Santa Croce, and the unfinished church of Santa Maria degli Angeli.However, the artistic and technical feat for which Brunelleschi is most famed is the completion of Florence Cathedral by constructing a dome above the octagonal drum which had been completed in 1412. The building of this dome presented what appeared to be at the time insuperable problems, which had caused previous cathedral architects to shy away from tackling it. The drum was nearly 140 ft (43 m) in diameter and its base was 180 ft (55 m) above floor level: no wooden centering was possible because no trees long enough to span the gap could be found, and even if they had been available, the weight of such a massive framework would have broken centering beneath. In addition, the drum had no external abutment, so the weight of the dome must exert excessive lateral thrust. Aesthetically, the ideal Renaissance dome, like the Roman dome before it (for example, the Pantheon) was a hemisphere, but in the case of the Florence Cathedral such a structure would have been unsafe, so Brunelleschi created a pointed dome that would create less thrust laterally. He constructed eight major ribs of stone and, between them, sixteen minor ones, using a light infilling. He constructed a double-shell dome, which was the first of this type but is a design that has been followed by nearly all major architects since this date (for example Michelangelo's Saint Peter's in Rome, and Wren's Saint Paul's in London). Further strength is given by a herringbone pattern of masonry and brick infilling, and by tension chains of massive blocks, fastened with iron and with iron chains above, girding the dome at three levels. A large lantern finally stops the 50 ft (15.25 m) diameter eye at the point of the dome. Construction of the Florence Cathedral dome was begun on 7 August 1420 and was completed to the base of the lantern sixteen years later. It survives as the peak of Brunelleschi's Renaissance achievement.[br]Further ReadingPeter Murray, 1963, The Architecture of the Italian Renaissance, Batsford, Ch. 2. Howard Saalman, 1980, Filippo Brunelleschi: The Cupola of Santa Maria del Fiore, Zwemmer.Piero Sanpaolesi, 1977, La Cupola di Santa Maria del Fiore: Il Progetto: La Costruzione, Florence: Edam.Eugenio Battisti, 1981, Brunelleschi: The Complete Work, Thames and Hudson.DY
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