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 7
... tension and the concave in compression , the same as in a beam under transverse load . As it is commercially impossible to secure homogeneity or uni- formity of substance throughout the materials we use , it follows that failures under ...
... tension and the concave in compression , the same as in a beam under transverse load . As it is commercially impossible to secure homogeneity or uni- formity of substance throughout the materials we use , it follows that failures under ...
Página 24
... tension and compression 4 tons , then its moment of resistance when under that strain will be- M_sxbx d2 _ 4 × 11 × 8 × 8 = 234 · 6 inch tons . = 12 12 So that , assuming the beam to be without its own weight , it would at this strain ...
... tension and compression 4 tons , then its moment of resistance when under that strain will be- M_sxbx d2 _ 4 × 11 × 8 × 8 = 234 · 6 inch tons . = 12 12 So that , assuming the beam to be without its own weight , it would at this strain ...
Página 27
... tension and compression equal per sectional square inch ; that is , that the modulus of elasticity is constant for both extension and shortening . The depth of the girder shall be taken as 20 inches , and the web omitted in the ...
... tension and compression equal per sectional square inch ; that is , that the modulus of elasticity is constant for both extension and shortening . The depth of the girder shall be taken as 20 inches , and the web omitted in the ...
Página 33
... a us sign indicates that the bottom flange is in tension top in compression , the beam bein .. L at the under side is convex , and ti cation will be retained throughout 7- lated separately for any given point , and the moments. c3.
... a us sign indicates that the bottom flange is in tension top in compression , the beam bein .. L at the under side is convex , and ti cation will be retained throughout 7- lated separately for any given point , and the moments. c3.
Página 33
... tension and the top in compression , the beam being so bent down- wards that the under side is convex , and the upper concave . This notation will be retained throughout the work . CD shows another mode of loading , there being a c 3 ...
... tension and the top in compression , the beam being so bent down- wards that the under side is convex , and the upper concave . This notation will be retained throughout the work . CD shows another mode of loading , there being a c 3 ...
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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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