Engineering Construction in Iron, Steel and TimberLongmans, Green & Company, 1894 - 379 páginas |
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Página vi
... axes CHAPTER VI . • EXAMPLES OF BRIDGES AND VIADUCTS OF SMALL SPAN IN TIMBER AND IRON . Example of a timber beam bridge for road traffic . Table of beams and corbels for beam bridges 3383 Example of a timber viaduct of 10 feet spans of ...
... axes CHAPTER VI . • EXAMPLES OF BRIDGES AND VIADUCTS OF SMALL SPAN IN TIMBER AND IRON . Example of a timber beam bridge for road traffic . Table of beams and corbels for beam bridges 3383 Example of a timber viaduct of 10 feet spans of ...
Página 6
... axis through an angle proportional to the pull on the test - bar . The end of this pointer in its motion always touches a piece of smoked glass , to which is given a travel in its own plane proportional to the extension of the test ...
... axis through an angle proportional to the pull on the test - bar . The end of this pointer in its motion always touches a piece of smoked glass , to which is given a travel in its own plane proportional to the extension of the test ...
Página 37
... axis in the section . The Determination of Stresses in Braced Structures . - The action of vertical loads in producing transverse stresses in beams will be considered in the next chapter , but the principle of moments may also be ...
... axis in the section . The Determination of Stresses in Braced Structures . - The action of vertical loads in producing transverse stresses in beams will be considered in the next chapter , but the principle of moments may also be ...
Página 62
... axis of the beam when unloaded is hori- zontal , and the loads . producing bending act at right angles to the beam . The effect of the loading is to cause the beam to assume a curved form , and sections of the beam which were parallel ...
... axis of the beam when unloaded is hori- zontal , and the loads . producing bending act at right angles to the beam . The effect of the loading is to cause the beam to assume a curved form , and sections of the beam which were parallel ...
Página 63
... axis . Hence it follows that the resistance which a layer of material will offer to the stresses developed in it will be proportional to the distance of the layer from the neutral axis ; also that the neutral axis corresponds with the ...
... axis . Hence it follows that the resistance which a layer of material will offer to the stresses developed in it will be proportional to the distance of the layer from the neutral axis ; also that the neutral axis corresponds with the ...
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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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