A collaborating joist and suspended ceiling system and a method for assembling the system

Abstract

A collaborating joist and suspended ceiling system for a suspended ceiling is provided. The system comprises: profiled lightweight beams elongated in a first direction, each having flange ends at distal ends thereof; a first edge beam, having recesses corresponding to the flange ends, said first edge beam contacting the flange ends; bent panels mounted between pairs of profiled lightweight beams rest on a lower flange of the respective beam, each of the bent panels is provided with a pair of crown beams on an upper side of the bent panel for linear distribution of a pressure exerted from below, the crow beams extending along the first direction; and secondary beams having vertical spacers, vertical spacers arranged between adjacent pairs of parallel secondary beams, and wherein the secondary beams extend in a second direction perpendicular to the first direction.

1 . A collaborating joist and suspended ceiling system, said system comprises:
 profiled lightweight beams elongated in a first direction, each of the profiled lightweight beams having flange ends at distal ends thereof;   a first edge beam, having recesses corresponding to the footprint and depth of the flange ends of the profiled lightweight beams, said first edge beam being in contact with the flange ends such that mechanical contact between the profiled lightweight beams and the first edge beam is obtained;   bent panels mounted between pairs of profiled lightweight beams and resting on a lower flange of the respective profiled lightweight beam, wherein each of the respective bent panels is provided with a pair of crown beams arranged on an upper side of the bent panel for linear distribution of a pressure exerted from below on the bent panel, the crown beams extending along the first direction; and   secondary beams having vertical spacers, wherein the vertical spacers are arranged between adjacent pairs of parallel secondary beams, and wherein the secondary beams are arranged on the crown beams and on the profiled lightweight beams, wherein the secondary beams extend in a second direction, the second direction being perpendicular to the first direction, thereby forming the suspended ceiling supported by a rectangular grid structure.   
     
     
         2 . The system according to  claim 1 , wherein the profiled lightweight beam has an I-profile, the I-profile comprising two flanges separated by a web. 
     
     
         3 . The system according to  claim 1 , wherein the first edge beam is made of glulam. 
     
     
         4 . The system according to  claim 1 , wherein the system also comprises a second edge beam, the second edge beam having recesses corresponding to the footprint and depth of the flange ends of the profiled lightweight beams, wherein the second edge beam is arranged in mechanical contact with the flange ends of the profiled lightweight beams at distal ends thereof being opposite to the distal ends being attached to the first edge beam. 
     
     
         5 . The system according to  claim 1 , wherein the bent panels are Plywood sheets. 
     
     
         6 . The system according to  claim 1 , wherein a floor is installed on top of the secondary beams. 
     
     
         7 . The system according to  claim 1 , wherein the vertical distances are screwed to the adjacent pairs of parallel secondary beams. 
     
     
         8 . The system according to  claim 1 , wherein one or more of the following comprises fire protective paint:
 the profiled lightweight beams; and   the bent panels.   
     
     
         9 . The system according to  claim 1 , wherein a vibration damping element is arranged on each of the crown beams, the vibration damping elements being arranged between the secondary beams and the crown beams such that transfer of vibrations is reduced between the bent panels and the secondary beams. 
     
     
         10 . The system according to  claim 1 , wherein the system comprises two adjacent bent panels arranged juxtaposed between a pair of profiled lightweight beams and a cover panel arranged on and overlapping with the two adjacent bent panels. 
     
     
         11 . The system according to  claim 1 , wherein the system comprises an acoustic insulating panel or an acoustic insulating sheet arranged in between the bent panels and upper flanges of the profiled lightweight beams, wherein the acoustic insulating panel or sheet extends in width between the adjacent pair of profiled lightweight beams such that acoustic sound transfer from one side of the acoustic insulating panel or sheet to the other side thereof is reduced. 
     
     
         12 . The system according to  claim 1 , wherein the system comprises a vibration damping sheet, the vibration damping sheet being arranged on a convex surface of the bent panels such that vibrations of the bent panels are dampened. 
     
     
         13 . A method for assembling the collaborating joist and suspended ceiling system according to  claim 1 , wherein the method comprises:
 arranging the profiled lightweight beams on a supporting structure, each of the profiled lightweight beams having flange ends at distal ends thereof, the profiled lightweight beams being elongated in a first direction;   arranging the first edge beam in mechanical contact with flange ends of the profiled lightweight beams;   inserting between pairs of profiled lightweight beams the bent panels provided with a pair of crown beams such that the bent panels rest on a lower flange of the respective profiled lightweight beams;   arranging pairs of parallel secondary beams having vertical spacers arranged in between the adjacent secondary beams, on the crown beams and on the profiled lightweight beams, wherein the secondary beams extend in a second direction, the second direction being perpendicular to the first direction thereby forming the supported ceiling supported by a rectangular grid structure.   
     
     
         14 . The method for assembling the system according to  claim 10 , wherein the inserting comprises inserting the bent panels at the flange end of the pair of profiled lightweight beams and sliding the bent panels along the lower flanges of the respective profiled lightweight beams. 
     
     
         15 . The method for assembling the system according to  claim 9 , the system further comprises a second edge beam, wherein the method further comprises arranging the second edge beam in mechanical contact with the flange ends of the profiled lightweight beams at distal ends thereof being opposite to the distal ends attached to the first edge beam.