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 13
... diameters , therefore circumferal boundaries - arcs - of any proportionate parts will vary as the diameters . In Fig . 5 let a b be a bar carried upon a centre c , on which it is capable of revolving ; at the end a let a force P act in ...
... diameters , therefore circumferal boundaries - arcs - of any proportionate parts will vary as the diameters . In Fig . 5 let a b be a bar carried upon a centre c , on which it is capable of revolving ; at the end a let a force P act in ...
Página 49
... diameter being equal to D. Assume this ring to be subject to internal pressure ( as from steam , for in- stance ) , acting equally in all direc- tions , and therefore pressing radi- ally upon the interior of the ring . Considering the ...
... diameter being equal to D. Assume this ring to be subject to internal pressure ( as from steam , for in- stance ) , acting equally in all direc- tions , and therefore pressing radi- ally upon the interior of the ring . Considering the ...
Página 51
... diameter 2 R is intersected 12 at d by the chord a c , therefore 2 R x D = a dx dc = Because a d = dc = = 2 / and 12 2 4 12 72 2 = whence D = = 4 ' 2 RX 4 Then by similar triangles R : d :: l : L , which we also 8 R know to be true ...
... diameter 2 R is intersected 12 at d by the chord a c , therefore 2 R x D = a dx dc = Because a d = dc = = 2 / and 12 2 4 12 72 2 = whence D = = 4 ' 2 RX 4 Then by similar triangles R : d :: l : L , which we also 8 R know to be true ...
Página 85
... diameter of each column 18 inches , and the pressure of the wind 40 lbs . per superficial foot , which is about what should be taken for calculation in England . Let the exposed surface of the superstructure be a plate girder , of which ...
... diameter of each column 18 inches , and the pressure of the wind 40 lbs . per superficial foot , which is about what should be taken for calculation in England . Let the exposed surface of the superstructure be a plate girder , of which ...
Página 114
... diameter , or least thickness , for if the resultant cm fall outside the base of the column , there must be bend- ing strain . Taking the plane at the angle given above , and resolving it at the centre or axis , the base of the column ...
... diameter , or least thickness , for if the resultant cm fall outside the base of the column , there must be bend- ing strain . Taking the plane at the angle given above , and resolving it at the centre or axis , the base of the column ...
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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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