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
... bearings , and defects in the mode of erection ; but some folks have even gone to the extreme of applying the term to the deflection due to a permanent load , which really should be called the permanent deflec- tion . I have thought it ...
... bearings , and defects in the mode of erection ; but some folks have even gone to the extreme of applying the term to the deflection due to a permanent load , which really should be called the permanent deflec- tion . I have thought it ...
Página 49
... bearing shearing stress alone , but there is a vertical crushing , or rather crippling , strain brought upon it by the tendency of the flanges to approach each other when the beam is deflected . Before the intensity of the strain thus ...
... bearing shearing stress alone , but there is a vertical crushing , or rather crippling , strain brought upon it by the tendency of the flanges to approach each other when the beam is deflected . Before the intensity of the strain thus ...
Página 54
... bearing of 36 inches , gave as the mean breaking weight at the centre 844 lbs . Ꮃ l 8 b d2 4 = 6 .. 8 = 3 WI 2. b . d2 = 3 × 844 × 36 2 × 1 × 12 = 45,476 lbs . as the longitudinal resistance tensile and 54 MATERIALS AND CONSTRUCTION .
... bearing of 36 inches , gave as the mean breaking weight at the centre 844 lbs . Ꮃ l 8 b d2 4 = 6 .. 8 = 3 WI 2. b . d2 = 3 × 844 × 36 2 × 1 × 12 = 45,476 lbs . as the longitudinal resistance tensile and 54 MATERIALS AND CONSTRUCTION .
Página 104
... bearing surface , and rendering the structure more liable to vibration than when a more ample bearing surface is provided . There is also some alteration of form , accompanied by a movement on the bearing surfaces , when , under the ...
... bearing surface , and rendering the structure more liable to vibration than when a more ample bearing surface is provided . There is also some alteration of form , accompanied by a movement on the bearing surfaces , when , under the ...
Página 118
... bearing at i and h than there is in obtain- ing a uniform bearing in simple butt joints . Joints subject to tensile stress will be generally more complex than those in compression , and in every case some sectional area will be lost ...
... bearing at i and h than there is in obtain- ing a uniform bearing in simple butt joints . Joints subject to tensile stress will be generally more complex than those in compression , and in every case some sectional area will be lost ...
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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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