A Practical Treatise on the Strength of Material: Including Their Elasticity and Resistance to ImpactE. & F.N. Spon, 1883 - 525 páginas |
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Página iii
... error , or rather the difference per cent . between the Rule and Experiment being given in each case . When the theoretical laws did not bear that test , they were relentlessly modified , or abandoned altogether in favour of Empirical ...
... error , or rather the difference per cent . between the Rule and Experiment being given in each case . When the theoretical laws did not bear that test , they were relentlessly modified , or abandoned altogether in favour of Empirical ...
Página 106
... error or difference between the calculated and experimental results : -the sum of all the + errors is 163 , and of all the errors , 141 · 7 ; hence we have as a general average result of the forty experiments ( 163 — 141 · 7 ) - 40 = + ...
... error or difference between the calculated and experimental results : -the sum of all the + errors is 163 , and of all the errors , 141 · 7 ; hence we have as a general average result of the forty experiments ( 163 — 141 · 7 ) - 40 = + ...
Página 107
... error is nearly equal , the greatest + error being 19.8 , and the greatest - error is 22.1 per cent . ( 959 ) . = - ( 162. ) As an example of the application of the rules in ( 157 ) to cases where exact results are required , as in ...
... error is nearly equal , the greatest + error being 19.8 , and the greatest - error is 22.1 per cent . ( 959 ) . = - ( 162. ) As an example of the application of the rules in ( 157 ) to cases where exact results are required , as in ...
Página 109
... Error per Cent . 143 172 +19.8 172 21,550 1,902 2,036 + 7 · 1 2,036 84,490 10,861 9,531 - 12.2 9,531 199,200 24,291 23,800 2.0 23,800 331,200 539 558 + 3.5 558 21,550 6,105 6,613 + 8.3 6,613 84,490 32,531 30,960 4.8 30,960 199,200 ...
... Error per Cent . 143 172 +19.8 172 21,550 1,902 2,036 + 7 · 1 2,036 84,490 10,861 9,531 - 12.2 9,531 199,200 24,291 23,800 2.0 23,800 331,200 539 558 + 3.5 558 21,550 6,105 6,613 + 8.3 6,613 84,490 32,531 30,960 4.8 30,960 199,200 ...
Página 116
... Fig . 38 , hence there would be no appreciable error if we omit them altogether in calculating the strength , which then becomes simply that due to the pillar a , a , forced to bend 116 CAST - IRON PILLARS OF SECTION .
... Fig . 38 , hence there would be no appreciable error if we omit them altogether in calculating the strength , which then becomes simply that due to the pillar a , a , forced to bend 116 CAST - IRON PILLARS OF SECTION .
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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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