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 6
... surfaces of the body E F in such a manner as to shear it along the line c d . The action tends to force each mole- cule downwards , and away from that opposite it , and the result will be different according to the nature of the ...
... surfaces of the body E F in such a manner as to shear it along the line c d . The action tends to force each mole- cule downwards , and away from that opposite it , and the result will be different according to the nature of the ...
Página 9
... surface on which it stands , or to both combined ; this resistance is the " stability " of the work . In the first form the force is directed to overcome gravity by causing a body to lift and revolve about one of its edges until the ...
... surface on which it stands , or to both combined ; this resistance is the " stability " of the work . In the first form the force is directed to overcome gravity by causing a body to lift and revolve about one of its edges until the ...
Página 10
... surface upon which it rests . I will here point out the nature of the resisting force of friction between surfaces . The surfaces are taken to be physically smooth and free from viscosity or any special property of attraction for , or ...
... surface upon which it rests . I will here point out the nature of the resisting force of friction between surfaces . The surfaces are taken to be physically smooth and free from viscosity or any special property of attraction for , or ...
Página 10
... internal forces of the structure , or of its gravitative effort , or its resistance to sliding , or the sum of any of these separate modes of resistance . GENERAL CHAPTER II . PROBLEMS - DIRECTION OF A FORCE FRICTION OF SURFACES . 11.
... internal forces of the structure , or of its gravitative effort , or its resistance to sliding , or the sum of any of these separate modes of resistance . GENERAL CHAPTER II . PROBLEMS - DIRECTION OF A FORCE FRICTION OF SURFACES . 11.
Página 18
... surface or solid is that point on which it balances exactly , and is the point about which the moments of weight of ... surface . A surface may , how- ever , be balanced upon a knife - edge in more directions than one , but all the lines ...
... surface or solid is that point on which it balances exactly , and is the point about which the moments of weight of ... surface . A surface may , how- ever , be balanced upon a knife - edge in more directions than one , but all the lines ...
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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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