A Practical Treatise on the Strength of Material: Including Their Elasticity and Resistance to ImpactE. & F.N. Spon, 1883 - 525 páginas |
Dentro del libro
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Página 40
... dimensions of the sides of the polygon . The half - side a , b is evidently the tangent of the angle a , d , b , which being the sixteenth part of the circle will be 360 ÷ 16 25 ° then by any table of natural tangents we find that with ...
... dimensions of the sides of the polygon . The half - side a , b is evidently the tangent of the angle a , d , b , which being the sixteenth part of the circle will be 360 ÷ 16 25 ° then by any table of natural tangents we find that with ...
Página 41
... dimensions . From this it follows that the strength of a cylinder of thin plate , such as an ordinary boiler , is simply and directly proportional to the thickness , and inversely as the diameter . ( 57. ) " Lap - welded Tubes . " - Say ...
... dimensions . From this it follows that the strength of a cylinder of thin plate , such as an ordinary boiler , is simply and directly proportional to the thickness , and inversely as the diameter . ( 57. ) " Lap - welded Tubes . " - Say ...
Página 98
... dimension and b = the breadth or greater dimension of the pillar . These theoretical laws should be correct for all materials , but the experimental researches of Mr. Hodgkinson have shown that timber pillars alone follow those laws ...
... dimension and b = the breadth or greater dimension of the pillar . These theoretical laws should be correct for all materials , but the experimental researches of Mr. Hodgkinson have shown that timber pillars alone follow those laws ...
Página 99
... dimensions . ( 149. ) " Effect of Form at the Ends . " - One of the remarkable results of Mr. Hodgkinson's experimental researches was to show that the strength of pillars is potentially governed by the character of the bearings at ...
... dimensions . ( 149. ) " Effect of Form at the Ends . " - One of the remarkable results of Mr. Hodgkinson's experimental researches was to show that the strength of pillars is potentially governed by the character of the bearings at ...
Página 114
... dimension . For long pillars failing simply by flexure , the rules become : - ( 178. ) ( 179. ) ( 180. ) ( 181. ) In ... dimension of a rectangular pillar . the breadth or greatest dimension of a rectangular pillar . And the rest as in ...
... dimension . For long pillars failing simply by flexure , the rules become : - ( 178. ) ( 179. ) ( 180. ) ( 181. ) In ... dimension of a rectangular pillar . the breadth or greatest dimension of a rectangular pillar . And the rest as in ...
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Otras ediciones - Ver todas
A Practical Treatise on the Strength of Materials: Including Their ... Thomas Box Vista completa - 1893 |
A Practical Treatise on the Strength of Materials: Including Their ... Thomas Box Vista completa - 1893 |
Términos y frases comunes
19 tons annealed Barlow Blaenavon boiler bottom flange breadth breaking weight bursting pressure calculated cast iron cent centre cols compressive strain correction for incipient crushing strain crushing strength cylinder dead load depth dimensions effect ends flat equal error experiment gave experimental Factor of Safety feet long foot long girder given by Table gives hence Hodgkinson inch diameter inch square inch thick incipient crushing increase lattice girders length limit of Elasticity material mean metal Modulus of Elasticity natural number due nearly neutral axis obtain Permanent Set pitch plate-iron practice ratio rectangular pillars reduced require resistance rivet-holes rivets safe load shearing shows solid plate square inch steel Strain per Square STRENGTH OF MATERIALS Table 34 Table 89 tensile strain tensile strength tons per square top flange torsional transverse strength tube tubular beams weight by flexure wrinkling strain wrought iron
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Página 585 - Long-Span Railway Bridges, comprising Investigations of the Comparative Theoretical and Practical Advantages of the various adopted or proposed Type Systems of Construction, with numerous Formulae and Tables giving the weight of Iron or Steel required in Bridges from 300 feet to the limiting Spans ; to which are added similar Investigations and Tables relating to Short-span Railway Bridges.
Página 586 - CONTENTS: Physical Geography of India — Building Materials — Roads — Railways — Bridges — Irrigation — River Works — Harbours — Lighthouse Buildings — Native Labour — The Principal Trees of India — Money — Weights and Measures — Glossary of Indian Terms, etc. A Practical Treatise on Casting and Founding, including descriptions of the modern machinery employed in the art.