Engineering Construction in Iron, Steel and TimberLongmans, Green & Company, 1894 - 379 páginas |
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Página 1
... maximum sizes of plates and bars , and their relative cost ; how best to connect the various members together , so that they may have the necessary strength and otherwise fulfil their purpose efficiently ; what portions are best made of ...
... maximum sizes of plates and bars , and their relative cost ; how best to connect the various members together , so that they may have the necessary strength and otherwise fulfil their purpose efficiently ; what portions are best made of ...
Página 6
... maximum load , and the elongation . The curve not only indicates the yield - point , and the amount of extension which occurs at this point , but it is seen by inspection that the local extension which occurs at the breaking - point is ...
... maximum load , and the elongation . The curve not only indicates the yield - point , and the amount of extension which occurs at this point , but it is seen by inspection that the local extension which occurs at the breaking - point is ...
Página 10
... maximum resistance to compression when the specific gravity is slightly greater than that which gave the highest results in tension . The resistance to compression of ordinary cast iron varies from 38 to 48 tons per square inch ...
... maximum resistance to compression when the specific gravity is slightly greater than that which gave the highest results in tension . The resistance to compression of ordinary cast iron varies from 38 to 48 tons per square inch ...
Página 27
... Maximum . Ash 458 700 Yellow birch 563 815 White maple 367 647 Red oak 726 999 White oak 752 966 ... White pine 267 366 Yellow pine 286 415 Spruce 253 374 Whitewood 382 406 TABLE XII . SHEARING - STRENGTH OF AUSTRALIAN TIMBERS ...
... Maximum . Ash 458 700 Yellow birch 563 815 White maple 367 647 Red oak 726 999 White oak 752 966 ... White pine 267 366 Yellow pine 286 415 Spruce 253 374 Whitewood 382 406 TABLE XII . SHEARING - STRENGTH OF AUSTRALIAN TIMBERS ...
Página 28
... Maximum Minimum Average Spruce beams- Maximum Minimum Average White pine beams- Maximum Minimum ... from 3 x 12 to 9 x 133 - from 13 × 63 to 6 x 12 - 6 ft . 5 in . to 24 ft . 2,286,000 5352 1,169,298 7486 1,757,900 6 ft . 8 in . to 20 ...
... Maximum Minimum Average Spruce beams- Maximum Minimum Average White pine beams- Maximum Minimum ... from 3 x 12 to 9 x 133 - from 13 × 63 to 6 x 12 - 6 ft . 5 in . to 24 ft . 2,286,000 5352 1,169,298 7486 1,757,900 6 ft . 8 in . to 20 ...
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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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