Materials and Construction: A Theoretical and Practical Treatise on the Strains, Designing, and Erection of Works of ConstructionC. Lockwood and Company, 1881 - 249 páginas |
Dentro del libro
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Página 13
... show the relations of equal moments of force . A force at rest , or as it is technically called static force , signifies a pressure , and possesses only intensity or degree : if , however , the force is exercised through a space , it be ...
... show the relations of equal moments of force . A force at rest , or as it is technically called static force , signifies a pressure , and possesses only intensity or degree : if , however , the force is exercised through a space , it be ...
Página 14
... show that the matter is quite simple . These two methods of treating the relations of forces to each other may be applied as a mutual test of accuracy , and an example scaled out will here prove their agreement , and also serve to show ...
... show that the matter is quite simple . These two methods of treating the relations of forces to each other may be applied as a mutual test of accuracy , and an example scaled out will here prove their agreement , and also serve to show ...
Página 33
... 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 GIRDERS . 33.
... 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 GIRDERS . 33.
Página 34
... shows another mode of loading , there being a con- centrated weight at some point not at the centre of the span . The first step is to determine the reaction on the support from which x is to be measured . Let C be the support chosen ...
... shows another mode of loading , there being a con- centrated weight at some point not at the centre of the span . The first step is to determine the reaction on the support from which x is to be measured . Let C be the support chosen ...
Página 35
... shows a girder having a number of concentrated weights upon it , scattered irregularly along its length , and being of various values . Let the weights be represented by W ' , W " , & c . , W " placed at distances y ' , y " , & c . , to ...
... shows a girder having a number of concentrated weights upon it , scattered irregularly along its length , and being of various values . Let the weights be represented by W ' , W " , & c . , W " placed at distances y ' , y " , & c . , to ...
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Materials and Construction: A Theoretical and Practical Treatise on the ... Francis Campin Sin vista previa disponible - 2016 |
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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