Useful Information for Engineers: Being a Series of Lectures |
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Página 12
... reasonably conclude that the law affecting the strength of tubes is , other things being the same , that the collapsing pressure varies inversely as the length . ⚫043 The tube S , when compared with the 6 12 ON THE RESISTANCE OF.
... reasonably conclude that the law affecting the strength of tubes is , other things being the same , that the collapsing pressure varies inversely as the length . ⚫043 The tube S , when compared with the 6 12 ON THE RESISTANCE OF.
Página 26
... varies inversely as the dia- meters , but what effect the length may have upon the strength has yet to be determined . We have already seen that a cylindrical tube , when subjected to external pressure , loses one - half its strength ...
... varies inversely as the dia- meters , but what effect the length may have upon the strength has yet to be determined . We have already seen that a cylindrical tube , when subjected to external pressure , loses one - half its strength ...
Página 31
... varies directly as the longitudinal section , that is , as the product of the length by the diameter , we have P = C'.P.L.D . Now it has been determined by experiment , that the resistance of thin iron plates to a force tending to crush ...
... varies directly as the longitudinal section , that is , as the product of the length by the diameter , we have P = C'.P.L.D . Now it has been determined by experiment , that the resistance of thin iron plates to a force tending to crush ...
Página 32
... V. , where the thickness of the plates composing the tubes is the same , is sufficient to show , -1st , that the strength of the tubes varies nearly inversely as their lengths ; 2ndly , that the strength 32 ON THE RESISTANCE OF.
... V. , where the thickness of the plates composing the tubes is the same , is sufficient to show , -1st , that the strength of the tubes varies nearly inversely as their lengths ; 2ndly , that the strength 32 ON THE RESISTANCE OF.
Página 33
... varies nearly inversely as the diameters . The following reduction of these experiments will not only render these laws apparent , but will also show that in tubes of the same thickness the strength varies inversely as the pro- duct of ...
... varies nearly inversely as the diameters . The following reduction of these experiments will not only render these laws apparent , but will also show that in tubes of the same thickness the strength varies inversely as the pro- duct of ...
Palavras e frases frequentes
20 tons applied in lbs Author bar iron boiler Boiler plate bridges Britannia Bridge calculated cast-iron collapsing pressure compression construction crane Crown 8vo Crown-glass crushed cube cylinder deck defects diameter elongation experiments external pressure Fahr feet 6 inches fibre Flint-glass flues force formula fracture Grauwacke Green glass HISTORY Illustrations improvements inch in lbs inch thick increase Ingleton iron ships iron vessels keelsons Keyham labour Lectures length load longitudinal machine material mean ments mills millwright nearly observed Penmaenmawr Portrait Post 8vo powers of resistance practical present principle red heat Remarks Rennie Resistance of Glass revised riveted Royal Charter rupture Sandstone Second Edition sectional area specimens square inch Staffordshire steam engine stone Strain applied strength strength of materials stringers subjected temperature tensile tensile strength Thicknesses measured Third Edition tons per square tubes vols wheel Woodcuts wrought iron
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