The Design of Structures: A Practical Treatise on the Building of Bridges, Roofs, &cC. Griffin, limited, 1891 - 497 sider |
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Side 1
... determining the best form of a structure ; it usually being desirable to produce something which shall be pleasing to the ... determine the nature and intensity of these stresses , and so to arrange and proportion the members as best to ...
... determining the best form of a structure ; it usually being desirable to produce something which shall be pleasing to the ... determine the nature and intensity of these stresses , and so to arrange and proportion the members as best to ...
Side 12
... Determining the Modulus of Elasticity . The modulus of elasticity may be determined without much difficulty for different materials in three different ways : - ( 1 ) By exposing a bar of the material to a direct compressive stress , and ...
... Determining the Modulus of Elasticity . The modulus of elasticity may be determined without much difficulty for different materials in three different ways : - ( 1 ) By exposing a bar of the material to a direct compressive stress , and ...
Side 13
... determining the tensile modulus of elasticity of the iron . L = 20 × 12 = 240 inches . 7 = 02 inches . P Substituting these values in equation ( 1 ) we get E = 1 x 240 ⚫02 = 12,000 tons . = 1 ton . No two bars of the same material will ...
... determining the tensile modulus of elasticity of the iron . L = 20 × 12 = 240 inches . 7 = 02 inches . P Substituting these values in equation ( 1 ) we get E = 1 x 240 ⚫02 = 12,000 tons . = 1 ton . No two bars of the same material will ...
Side 17
... determine the proper value of this factor , a number of considerations must be taken into account . A great deal depends on the character of the working load . 1st . The load may be a constant dead load — a dead load being one which is ...
... determine the proper value of this factor , a number of considerations must be taken into account . A great deal depends on the character of the working load . 1st . The load may be a constant dead load — a dead load being one which is ...
Side 20
... Determine the work done in producing the extension in foot - pounds . Work done = × 9 × 2240 × 10 = 52.5 foot - pounds . 12 Example 6. - A round bar of steel 10 feet long and 3 inches in diameter , is exposed to a tensile stress of 100 ...
... Determine the work done in producing the extension in foot - pounds . Work done = × 9 × 2240 × 10 = 52.5 foot - pounds . 12 Example 6. - A round bar of steel 10 feet long and 3 inches in diameter , is exposed to a tensile stress of 100 ...
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The Design of Structures: A Practical Treatise on the Building of Bridges ... Samuel Anglin Uten tilgangsbegrensning - 1891 |
Vanlige uttrykk og setninger
12 feet 20 tons A₁ angle apex apices arch axis B₁ beam bending moments bottom flange breaking weight bridge C₁ cantilever cast cast-iron centre of gravity chain columns compressive stress crane cross-girders curve d₁ dead load deflection determine the stresses diameter distance ends equal equation exposed feet span find the stresses fixed foot-tons horizontal inertia joint lattice girders left abutment length live load main girders maximum bending method moment of inertia parallel pier plates pressure principle of moments punched purlins rafters railway reaction rivet rolling load roof sectional area shearing stress shown in fig square foot square inch steel stress diagram Stress in Tons struts supports TABLE taking moments tensile strength tensile stress tension thickness tons per square tons resting top flange total load truss vertical line W₁ W₂ Warren girder wrought iron
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