Cable-making for Suspension Bridges: With Special Reference to the Cables of the East River Bridge |
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Page 29
... equation therefore is equal to a constant 7 , and we can write : √ B2 + 4a2 Bq1 = T 2a ( 2 ) Through the solution of equations ( 1 ) and ( 2 ) , we find the unknown distances a and B. It follows : α = B2h 2 Bl - 12 h2 T2 74 --- B = + ...
... equation therefore is equal to a constant 7 , and we can write : √ B2 + 4a2 Bq1 = T 2a ( 2 ) Through the solution of equations ( 1 ) and ( 2 ) , we find the unknown distances a and B. It follows : α = B2h 2 Bl - 12 h2 T2 74 --- B = + ...
Page 31
... equation are three unknown values a1 B , and 1 , consequently , to solve the problem , we need two other equations . They are found by express- ing in symbols , that the tension of both curves must be alike , and that n is a point of ...
... equation are three unknown values a1 B , and 1 , consequently , to solve the problem , we need two other equations . They are found by express- ing in symbols , that the tension of both curves must be alike , and that n is a point of ...
Page 32
... equations 18 : f = 66ft . , h , = h + gg , = 190.42 T = 4909 : 8 w1 , q and q , have the former values . From the introduction of these values , follows : B , 1406.05 , a , = 210.07 7 , 964.65 . hence mn = l , —l = 964.65-952.55 = 12.1 ...
... equations 18 : f = 66ft . , h , = h + gg , = 190.42 T = 4909 : 8 w1 , q and q , have the former values . From the introduction of these values , follows : B , 1406.05 , a , = 210.07 7 , 964.65 . hence mn = l , —l = 964.65-952.55 = 12.1 ...
Page 62
... the following ten unknown parts : S , x , x , x , B , C , D , a , b , f , and need therefore ten equations . The whole system is a suspended polygon in equili- 49 39 4 brium , the single parts of it consisting of segments 62.
... the following ten unknown parts : S , x , x , x , B , C , D , a , b , f , and need therefore ten equations . The whole system is a suspended polygon in equili- 49 39 4 brium , the single parts of it consisting of segments 62.
Page 63
... equation . Three more will be obtained in express- ing the condition that points II , III and IV are points of certain parabolas . The horizontal force in each suspended polygon is equal throughout ; this will give three other equations ...
... equation . Three more will be obtained in express- ing the condition that points II , III and IV are points of certain parabolas . The horizontal force in each suspended polygon is equal throughout ; this will give three other equations ...
Other editions - View all
Cable-Making for Suspension Bridges: With Special Reference to the Cables of ... Wilhelm Hildenbrand No preview available - 2018 |
Cable-Making for Suspension Bridges: With Special Reference to the Cables of ... Wilhelm Hildenbrand No preview available - 2014 |
Cable-Making for Suspension Bridges: With Special Reference to the Cables of ... Wilhelm Hildenbrand No preview available - 2018 |
Common terms and phrases
adjusted anchor anchor bars anchorage ASITY attached Berkeley LIBRARY Brooklyn C. E. Illustrated calculation CALIFORN CALIFORNIA LIBRARY cloth connection consists cradle ropes curve deflection distance drum East River Bridge edition engravings equal equation fastened feet final position foot footbridge formula friction GILLMORE Guide Wire guidewire hence high water horizontal tension HYPSOMETRY land cable land span lashing latter length lithographed plates load manufacture masonry Messrs method morocco motion P₁ parabola placed pounds PRACTICAL TREATISE Prof regulated ring river span rollers rolling friction running wire saddle Scale screw shoe side spliced squeezer squeezing standing wire stays steam engine steel rope strain strand stretch suspended SUSPENSION BRIDGES tangent tion tons traveling rope traveling sheave U. S. Navy UNIVERSITY OF CALIFORNIA values vertex W. H. CORFIELD weight wheel wire ropes wooden block wrapping machine wrapping wire Zerah Colburn