Notched steel beam and floor slab structure of flange embedded floor slab and construction method

Abstract

The present disclosure relates to a notched steel beam and a floor slab structure of a flange embedded floor slab and a construction method. The notched steel beam comprises a web ( 1 ), wherein an upper flange ( 2 ) and a lower flange ( 3 ) are respectively arranged on the upper end and the lower end of the web ( 1 ); the flange embedded floor slab comprises four rectangularly distributed floor slab stand columns ( 7 ), a steel beam ( 8 ) is arranged between the adjacent floor slab stand columns ( 7 ), laminated slab bottom slabs ( 9 ) are arranged between the two steel beams ( 8 ) which are symmetrically distributed, floor slab reinforcing steel bars ( 10 ) are arranged above the laminated slab bottom slabs ( 9 ), a concrete layer ( 11 ) is arranged on the floor slab reinforcing steel bars ( 10 ); and the steel beam ( 8 ) is the notched steel beam of the flange embedded floor slab.

1 . A notched steel beam of a flange embedded floor slab, comprising
 a web ( 1 ), wherein an upper flange ( 2 ) and a lower flange ( 3 ) are respectively arranged on the upper end and the lower end of the web ( 1 ); and   a notch ( 4 ) is formed in the upper flange ( 2 ).   
     
     
         2 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 the notch ( 4 ) is positioned in the middle of the upper flange ( 2 ).   
     
     
         3 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 the notch ( 4 ) is formed in one side or two sides of the upper flange ( 2 ).   
     
     
         4 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 the web ( 1 ) is further provided with a supporting plate ( 5 ) positioned between the upper flange ( 2 ) and the lower flange ( 3 ).   
     
     
         5 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 the web ( 1 ) is further provided with a concrete bracket ( 6 ) positioned between above the lower flange ( 3 ).   
     
     
         6 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 a pipeline insertion hole is further formed in the web ( 1 ).   
     
     
         7 . The notched steel beam of a flange embedded floor slab according to  claim 1 , wherein
 the web ( 1 ) and/or the upper flange ( 2 ) are/is further provided with studs, shear keys, dents and/or protrusions.   
     
     
         8 . A floor slab structure of a flange embedded floor slab, comprising:
 a plurality of floor slab stand columns ( 7 ), wherein   a steel beam ( 8 ) is arranged between the adjacent floor slab stand columns ( 7 ), laminated slab bottom slabs ( 9 ) are arranged between the two steel beams ( 8 ) which are symmetrically distributed, floor slab reinforcing steel bars ( 10 ) are arranged above the laminated slab bottom slabs ( 9 ), and a concrete layer ( 11 ) is arranged on the floor slab reinforcing steel bars ( 10 ); and   the steel beam ( 8 ) is the notched steel beam of the flange embedded floor slab.   
     
     
         9 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 the notch ( 4 ) is positioned in the middle of the upper flange ( 2 ).   
     
     
         10 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 the notch ( 4 ) is formed in one side or two sides of the upper flange ( 2 ).   
     
     
         11 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 the web ( 1 ) is further provided with a supporting plate ( 5 ) positioned between the upper flange ( 2 ) and the lower flange ( 3 ).   
     
     
         12 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 the web ( 1 ) is further provided with a concrete bracket ( 6 ) positioned between above the lower flange ( 3 ).   
     
     
         13 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 a pipeline insertion hole is further formed in the web ( 1 ).   
     
     
         14 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 the web ( 1 ) and/or the upper flange ( 2 ) are/is further provided with studs, shear keys, dents and/or protrusions.   
     
     
         15 . The floor slab structure of a flange embedded floor slab according to  claim 8 , wherein
 anti-cracking steel wire meshes are further arranged in the cast-in-place concrete layer ( 11 ).   
     
     
         16 . The floor slab structure of a flange embedded floor slab according to  claim 9 , wherein
 anti-cracking steel wire meshes are further arranged in the cast-in-place concrete layer ( 11 ).   
     
     
         17 . The floor slab structure of a flange embedded floor slab according to  claim 10 , wherein
 anti-cracking steel wire meshes are further arranged in the cast-in-place concrete layer ( 11 ).   
     
     
         18 . The floor slab structure of a flange embedded floor slab according to  claim 11 , wherein
 anti-cracking steel wire meshes are further arranged in the cast-in-place concrete layer ( 11 ).   
     
     
         19 . The floor slab structure of a flange embedded floor slab according to  claim 12 , wherein
 anti-cracking steel wire meshes are further arranged in the cast-in-place concrete layer ( 11 ).   
     
     
         20 . A construction method of the floor slab structure of a flange embedded floor slab, comprising the following steps:
 fixing notched steel beams with corresponding sizes between adjacent floor slab stand columns;   hoisting laminated slab bottom slabs at the two ends from notches of the notched steel beams respectively and translating the laminated slab bottom slabs to the corresponding ends in place;   hoisting laminated slab bottom slabs in the middle from the notches of the notched steel beams to be in place;   arranging and binding steel bars above the laminated slab bottom slabs to obtain an upper reinforcing steel bar layer; and   pouring reinforced concrete on the upper reinforcing steel bar layer to obtain a concrete layer.