Journal of the Franklin InstitutePergamon Press, 1865 |
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Page 8
erable transformation . Of the former I might mention the parabolic arched truss ; and of the latter , normally pressed arcs and some con- ditions for maximum shearing ; but inasmuch as they are all statical problems , the equations ...
erable transformation . Of the former I might mention the parabolic arched truss ; and of the latter , normally pressed arcs and some con- ditions for maximum shearing ; but inasmuch as they are all statical problems , the equations ...
Page 73
... truss with horizontal chords , so as to demand the least amount of material in the construction , when the transverse section of the several parts are made proportional to the strains to which they are subjected . An exact analytical ...
... truss with horizontal chords , so as to demand the least amount of material in the construction , when the transverse section of the several parts are made proportional to the strains to which they are subjected . An exact analytical ...
Page 75
... truss be composed of two or many braces ; hence , equa- tion ( 7 ) shows that the amount of material in the truss is least when N is least , or equal 2 ; hence the king - post truss requires less material for the ties and braces ...
... truss be composed of two or many braces ; hence , equa- tion ( 7 ) shows that the amount of material in the truss is least when N is least , or equal 2 ; hence the king - post truss requires less material for the ties and braces ...
Page 76
... truss increases - N and L being constant - but this diminishes e , hence increases the material in the ties and braces when e is less than 54 ° 45 ' . Hence , there must be some value of which will give the amount of material required ...
... truss increases - N and L being constant - but this diminishes e , hence increases the material in the ties and braces when e is less than 54 ° 45 ' . Hence , there must be some value of which will give the amount of material required ...
Page 78
... truss , 1 + + cos e sin e N n ̧ ( N — n ̧ ) ( 1 + c ) + ‡ n , ( n , 2 — 1 ) ] ( for nodd ) N ( N - 1 ) ( 1 + c ) + ž ( N — 1 ) ( for n even ) N3 ( 1 + c ) + † N ( ‡ N — 1 ) \ N2 ( N2 — 1 ) ( 1 + c ) tan e - ( † ( N − 1 ) 2 ...
... truss , 1 + + cos e sin e N n ̧ ( N — n ̧ ) ( 1 + c ) + ‡ n , ( n , 2 — 1 ) ] ( for nodd ) N ( N - 1 ) ( 1 + c ) + ž ( N — 1 ) ( for n even ) N3 ( 1 + c ) + † N ( ‡ N — 1 ) \ N2 ( N2 — 1 ) ( 1 + c ) tan e - ( † ( N − 1 ) 2 ...
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66 date acid action air pump amount apparatus applied arrangement atmospheric Bessemer process boiler carbon caseine cast iron cause cent centre chemical coal color combustion condenser constructed containing cubic cubic foot cylinder diameter effect employed equal evaporated expansion experiments fact fatty matters feet fluid force FRANKLIN INSTITUTE fuel furnace gauge glass glycerine heat horse power increased kilometres per hour L.-THIRD SERIES.-No length less lime London magnesium manganese manufacture marine engines material means mechanical mercury Messrs metal miles Mont Cenis motion naphtha obtained ordinary paper pass patent petroleum pipe placed plate portion practical present pressure produced proportion quantity rails railway resistance screw ship side silicate soap soda spermaceti square inch strain strength stroke substance sulphur sulphuric acid surface surface condensers temperature thickness tion tons truss tube valve vessel weight wheels whilst wool wrought iron