Materials and Construction: A Theoretical and Practical Treatise on the Strains, Designing, and Erection of Works of ConstructionC. Lockwood and Company, 1881 - 249 páginas |
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Página 8
... series of experiments . It is impossible to examine the internal action of the external forces without being struck by the manner in which every kind of force seems to incline towards conver- sion into tensile stress on the molecules ...
... series of experiments . It is impossible to examine the internal action of the external forces without being struck by the manner in which every kind of force seems to incline towards conver- sion into tensile stress on the molecules ...
Página 17
... series of definite formulæ or rules for the ordinary requirements of constructive art , and in the first place I shall treat of structures which depend upon the elastic strength of the materials composing them for their security and ...
... series of definite formulæ or rules for the ordinary requirements of constructive art , and in the first place I shall treat of structures which depend upon the elastic strength of the materials composing them for their security and ...
Página 42
... series of values of x , and laid down as shown in Fig . 20. AB is a line A 16 . x M n B Fig . 20 . representing the length of the beam , and on this line the various values of x are marked off from A , and the values of M ...
... series of values of x , and laid down as shown in Fig . 20. AB is a line A 16 . x M n B Fig . 20 . representing the length of the beam , and on this line the various values of x are marked off from A , and the values of M ...
Página 73
... series of triangles crossing each other , then , of course , the strains on the bars are pro- portionately divided . The most ordinary angles used in practice for the diagonals are 60 degrees to the horizon , L B when = 1 · 154 , and ...
... series of triangles crossing each other , then , of course , the strains on the bars are pro- portionately divided . The most ordinary angles used in practice for the diagonals are 60 degrees to the horizon , L B when = 1 · 154 , and ...
Página 92
... series of experiments on the elasticity of cast - iron bars 1 inch square and 10 feet long , under tensile strains ranging from 0 · 47 to 6.6 tons , the modulus of elasticity ranged from 14,050,320 lbs . to 9,549,120 lbs . ; there was ...
... series of experiments on the elasticity of cast - iron bars 1 inch square and 10 feet long , under tensile strains ranging from 0 · 47 to 6.6 tons , the modulus of elasticity ranged from 14,050,320 lbs . to 9,549,120 lbs . ; there was ...
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Términos y frases comunes
abutment acting angle irons angle of repose arch beam bolts bottom flange bracing bridge calculated carried cast iron centre of gravity cloth boards column complete the parallelogram compression cross girders crown cubic foot curve deflection depth determined diagonal diameter direction distance distributing girder Edition Engineer equal factor of safety feet force formula friction hence Illustrations inch thick inclined bar joint length lineal foot load main girder masonry material maximum strain modulus of elasticity molecules multiplied neutral axis numerous parallelogram of forces pier plates practical pressure radius ratio right angles rivet area rivet holes rivets road girder SCOTT BURN sectional area sectional square inch shearing shearing strain side span strength stress structure surface taken tensile tension timber tion top flange Treatise triangle voussoir weight wrought iron
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