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 5
... beam supported at the points CD ; the material being supposed to be unstrained , the mole- A E m W 000 OOO 7 о 0000 00000 m Fig . 1 . cules will be uniformly arranged as indicated by the dots . Now let a force , W , be brought upon it ...
... beam supported at the points CD ; the material being supposed to be unstrained , the mole- A E m W 000 OOO 7 о 0000 00000 m Fig . 1 . cules will be uniformly arranged as indicated by the dots . Now let a force , W , be brought upon it ...
Página 5
... beam supported at the points CD ; the material being supposed to be unstrained , the mole- A B 000 O 0000 00000О W O ... beam and tensile strain on the convex side , and the beam EXTERNAL FORCES . 5.
... beam supported at the points CD ; the material being supposed to be unstrained , the mole- A B 000 O 0000 00000О W O ... beam and tensile strain on the convex side , and the beam EXTERNAL FORCES . 5.
Página 6
... beam will endeavour to regain its normal form by the repulsion of its molecules , m , on each other , and the attractions of those , m ' , tending to restore each vertical layer , m m ' , to its original vertical position , by revolving ...
... beam will endeavour to regain its normal form by the repulsion of its molecules , m , on each other , and the attractions of those , m ' , tending to restore each vertical layer , m m ' , to its original vertical position , by revolving ...
Página 7
... 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 compression must , in elements of any length compared with ...
... 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 compression must , in elements of any length compared with ...
Página 21
... beam at rest , and let a a , bb ' be the edges of two ima- ginary planes intersecting it at right angles to its ... beam being bent . Let this position be indicated by the line o ' , o , o " ; it is called the neutral axis because it is ...
... beam at rest , and let a a , bb ' be the edges of two ima- ginary planes intersecting it at right angles to its ... beam being bent . Let this position be indicated by the line o ' , o , o " ; it is called the neutral axis because it is ...
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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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