An Essay on the Strength and Stress of Timber: Founded Upon Experiments Performed at the Royal Military Academy, on Specimens Selected from the Royal Arsenal, and His Majesty's Dock-yard, Woolwich : Preceded by an Historical Review of Former Theories and Experiments ; with Numerous Tables and Plates : Also an Appendix, on the Strength of Iron, and Other Materials
J. Taylor at the Architectural Library, 1826 - 306 páginas
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12 inches angle Architect area of tension beam fixed break broke centre of gravity centre of tension column compression consequently cube curve cylinder deductions denote depth diameter dimensions direct cohesion distance ditto Dock-yard elasticity element of deflection English oak equal Erample experiments fibres Fir Battens force of direct former formula fracture Galileo Girard greatest horizontal inch square investigation iron James Bernoulli latter Leibnitz length lever loaded Mean Results ments middle nearly neutral axis observed Octavo ºth PETER BARLOW pieces Pitch Pine Plates preceding principles props quantity Quarto ratio rectangular beams resistance Riga fir shew shewn specific gravity specimen supported supposed Table tabular value theory thickness THOMAS TREDGOLD timber tion tons Transverse Strength triangular beam ultimate deflection vertical vertical strength wall weight Whence wire
Página 319 - ... THE ELEMENTARY PRINCIPLES OF CARPENTRY. A Treatise on the Pressure and Equilibrium of Timber Framing, the Resistance of Timber, and the Construction of Floors, Arches, Bridges, Roofs, Uniting Iron and Stone with Timber, &c. To which is added an Essay on the Nature and Properties of Timber, &c., with Descriptions of the kinds of Wood used in Building; also numerous Tables of the Scantlings of Timber for different purposes, the Specific Gravities of Materials, &c. By THOMAS TREDGOLD, CE With an...
Página 229 - Multiply the sectional area of the bottom flange in inches by the depth of the beam in inches, and divide the product by the distance between the supports also in inches ; and 514 times the quotient equal the absolute strength of the beam in cwts.