Engineering Construction in Iron, Steel and TimberLongmans, Green & Company, 1894 - 379 páginas |
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Página 2
... shown when it was first used for breaking a bar of iron 5 inches in diameter , and afterwards a single horsehair . It has been since used for a variety of most valuable tests , which are recorded in the reports published each year by ...
... shown when it was first used for breaking a bar of iron 5 inches in diameter , and afterwards a single horsehair . It has been since used for a variety of most valuable tests , which are recorded in the reports published each year by ...
Página 3
... shown by releasing the pressure , when 1 Round Bar . -242 FIG . 1 . * 23 * Screwed Bar HD Screwed FIG . 2 . Flat Bar * 3 * 2 * 10 " . - I FIG . 3 . the specimen springs back to its original length of 10 inches . But this so - called ...
... shown by releasing the pressure , when 1 Round Bar . -242 FIG . 1 . * 23 * Screwed Bar HD Screwed FIG . 2 . Flat Bar * 3 * 2 * 10 " . - I FIG . 3 . the specimen springs back to its original length of 10 inches . But this so - called ...
Página 5
... shown that these artificially raised yield - points are extremely unstable , and may be lowered considerably by hammering the test - bar on the end and reload- ing it ; and that , moreover , the yield - point cannot be raised in tension ...
... shown that these artificially raised yield - points are extremely unstable , and may be lowered considerably by hammering the test - bar on the end and reload- ing it ; and that , moreover , the yield - point cannot be raised in tension ...
Página 28
... shown ( Chapter IV . ) that— W = 2fbd2 31 ; and f = = 3WI 2bd2 The stiffness of a beam is inversely proportional to its deflection , to the breadth , and to the cube of its depth , and directly proportional to its load and the cube of ...
... shown ( Chapter IV . ) that— W = 2fbd2 31 ; and f = = 3WI 2bd2 The stiffness of a beam is inversely proportional to its deflection , to the breadth , and to the cube of its depth , and directly proportional to its load and the cube of ...
Página 33
... shown in Fig . 8 . This polygon will close , as the forces are in equilibrium . If the polygon does not close , the system of forces is not in equilibrium , and must have a resultant ; thus Fig . 9 shows 7B Ꭱ FIG . 9 . B3 FIG . 10 . a ...
... shown in Fig . 8 . This polygon will close , as the forces are in equilibrium . If the polygon does not close , the system of forces is not in equilibrium , and must have a resultant ; thus Fig . 9 shows 7B Ꭱ FIG . 9 . B3 FIG . 10 . a ...
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Términos y frases comunes
abutment angles apex axis of pins beam supported bending moment bending moments bolts bracing bridge calculated cantilever cast-iron column compression members compressive stress cross-girders Crown 8vo dead load deck denote depth diagonal distance distributed load Ditto elasticity ends and loaded engine equal equation factor of safety feet fibre fixed flange foot run foot-tons formula Hence horizontal Illustrations inch-tons intensity of stress joint lattice girder length live load longitudinal M₁ M₂ main girders maximum stresses method method of moments modulus neutral axis P₁ panel panel-points piers plates points of contra-flexure polygon R₁ railway resistance rivets roof Sectional area shearing stress shown in Fig side similar manner span square foot square inch steel strength stresses due stringers strut TABLE tensile stress tension timber tons per square total load traction engine truss vertical W₁ W₂ wedges weight wind pressure Woodcuts wrought iron ΕΙ
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