Composite beam with corrugated web

Abstract

A composite beam that comprises a web ( 21 ) having a corrugated-shaped profile, with aligned parts ( 23, 22 ) in two parallel planes ( 27, 25 ) in the longitudinal direction and tilted parts ( 29 ) between them; two flanges ( 17, 19 ); a first element ( 33 ) of C-shape and a second element ( 43, 53, 63 ) of beam-shape, such as C or Z, each of them having webs ( 35; 45, 55, 65 ) bonded to the parallel parts ( 23, 22 ) of the corrugated web in one plane ( 27, 25 ) enclosing the web ( 21 ) between them, and having the caps ( 37, 39; 47, 49; 57, 59; 67, 69 ) of said first and second elements bonded to one or two additional single flanges ( 7, 9 ) or bonded between them to form the beam flanges ( 17, 19 ).

1 . Composite beam ( 41 ,  51 ,  61 ) comprising a web ( 21 ) and two flanges ( 17 ,  19 ) characterised in that: 
 a) the web ( 21 ) has a corrugated-shaped profile, with aligned parts ( 23 ,  22 ) in two parallel planes ( 27 ,  25 ) in the longitudinal direction and tilted parts ( 29 ) between them; and,    b) it also comprises a first element ( 33 ) of C-shape and a second element ( 43 ,  53 ,  63 ) of beam-shape, each of them having webs ( 35 ;  45 ,  55 ,  65 ) bonded to the parallel parts ( 23 ,  22 ) of the corrugated web in one plane ( 27 ,  25 ) enclosing the web ( 21 ) between them, and having the caps ( 37 ,  39 ;  47 ,  49 ;  57 ,  59 ;  67 ,  69 ) of said first and second elements bonded to one or two additional single flanges ( 7 ,  9 ) or bonded between them to form the beam flanges ( 17 ,  19 ).    
     
     
         2 . Composite beam ( 41 ) according to  claim 1 , wherein said second element is a C-shaped element ( 43 ), placed symmetrically to the first element ( 33 ) with respect to the beam web ( 21 ), and wherein their caps ( 37 ,  39 ;  47 ,  49 ) are bonded to additional single flanges ( 7 ,  9 ) to form the beam flanges ( 17 ,  19 ).  
     
     
         3 . Composite beam ( 51 ) according to  claim 1 , wherein said second element is a C-shaped element ( 53 ), placed parallel to the first element ( 33 ), and wherein the caps ( 37 ,  39 ) of the first element ( 33 ) are bonded to the caps ( 57 ,  59 ) of the second element ( 53 ) to form the beam flanges ( 17 ,  19 ).  
     
     
         4 . Composite beam ( 61 ) according to  claim 1 , wherein said second element is a Z-shaped element ( 63 ), and wherein the upper cap ( 37 ) of the first element ( 33 ) is bonded to the upper cap ( 67 ) of the second element ( 63 ) to form the upper beam flange ( 17 ) and the lower caps ( 39 ,  69 ) of both elements ( 33 ,  63 ) are bonded to an additional single flange ( 9 ) to form the lower beam flange ( 19 ).  
     
     
         5 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 1 , wherein its web ( 21 ) has a trapezoidal shape having any feasible angle between tilted parts ( 29 ) and aligned parts ( 22 ,  23 ).  
     
     
         6 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 1 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         7 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 2 , wherein its web ( 21 ) has a trapezoidal shape having any feasible angle between tilted parts ( 29 ) and aligned parts ( 22 ,  23 ).  
     
     
         8 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 3 , wherein its web ( 21 ) has a trapezoidal shape having any feasible angle between tilted parts ( 29 ) and aligned parts ( 22 ,  23 ).  
     
     
         9 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 4 , wherein its web ( 21 ) has a trapezoidal shape having any feasible angle between tilted parts ( 29 ) and aligned parts ( 22 ,  23 ).  
     
     
         10 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 2 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         11 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 3 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         12 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 4 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         13 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 5 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         14 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 7 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         15 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 8 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).  
     
     
         16 . Composite beam ( 41 ,  51 ,  61 ) according to  claim 9 , wherein its web ( 21 ) includes horizontal extensions ( 28 ) in said aligned parallel parts ( 22 ,  23 ) to be joined to the flanges ( 17 ,  19 ).