Download An Introduction to the History of Structural Mechanics: Part by Edoardo Benvenuto PDF

By Edoardo Benvenuto

This booklet is without doubt one of the most interesting i've got ever learn. to write down a foreword for· it's an honor, tough to just accept. we all know that architects and grasp masons, lengthy sooner than there have been mathematical theories, erected constructions of striking originality, energy, and sweetness. a lot of those nonetheless stand. have been it now not for our now acid surroundings, shall we count on them to face for hundreds of years extra. We respect early architects' seen good fortune within the distribution and stability of thrusts, and we presume that grasp masons had ideas, possibly held mystery, that enabled them to show architects' daring designs into fact. we all know that rational theories of energy and elasticity, created centuries later, have been stimulated via the wondrous structures that males of the 16th, 17th, and eighteenth centuries observed day-by-day. Theorists be aware of that once, ultimately, theories began appearing, architects distrusted them, partially simply because they generally skipped over information of value in real development, partially simply because not anyone yet a mathematician may comprehend the purpose and func­ tion of a mathematical conception designed to symbolize a side of nature. This publication is the 1st to teach how statics, power of fabrics, and elasticity grew along latest structure with its millenial traditions, its host of successes, its ever-renewing kinds, and its a number of difficulties of upkeep and service. In reference to reviews towards fix of the dome of St. Peter's by way of Poleni in 1743, on p.

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Additional resources for An Introduction to the History of Structural Mechanics: Part II: Vaulted Structures and Elastic Systems

Example text

If we set f = OC + l - c, we find H N = f - y, and lever arm Hn becomes equal to J2 (f -y)/2. At this point, the equilibrium around H implies that y2 Q c(f - y) = l"2 + Q c(Y - b) from which we finally obtain 2Qc y = --l- + 4Q~ + 2Qcl(f + b) [2 -that is, the required width of the abutment. 5. 11. 1731) and "Seconde partie de l'examen de la poussee des voutes" (published in 1732). In them he takes a remarkable step forward from the position de la Hire and Belidor. Couplet had already considered structural problems in his three works on the thrust of earth on retaining walls,22 and his approach to vaults is related to his previous work.

G. a i danni che si sono trovati nella cupola di S. S. Benedetto XIV," in Scritture concernenti i danni della cupola di S. Pietro di Roma e i lora rimedi (Venice, ca. 23. 10 C. Fontana, Il tempio Vaticano e sua origine (Rome, 1694), p. 325.

In Tuscany, for example, Vincenzo Viviani had supervised the "direction of rivers" for thirty years and had advised on construction of bridges. Torricelli was consulted when a bridge at Pisa collapsed during construction. He disapproved of its plan;. it was the "work of too bold an architect," he wrote in one of his 350 11. Architectonic Debates letters'! In 1693, it became apparent that Brunelleschi's great dome for the church of S. Maria del Fiore had suffered considerable damage. A number of technicians proposed expensive renovations, but Grand Duke Cosimo III distrusted them and appointed a committee of architects and scientists to come up with a restoration plan.

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