 The Hambro D500 ™ composite floor system is an advanced, up to date answer to elevated concrete floor construction. Combining Hambro composite steel joists with poured concrete, the system consists of normal weight concrete/steel T-beams running in one direction and an integrated, continous slab in the opposite direction (see drawing). The bottom chord (Fy 350 MPa min. or Fy 50,000 psi min.) acts as a tension member during the pouring stage and during the service life of the floor system. The web, tying top and bottom chords together, consists of bent rods Fy 300 MPa min. or Fy 44,000 psi min.continuous by design), and resists vertical shear in a conventional manner. The patented 13 gauge top chord (Fy 350 MPa min. or Fy 50,000 psi min.) acts as a compression member during the non-composite stage. In the composite stage, the top chord is embedded in the concrete and functions as a continous shear connector. The concrete slab is reinforced with welded wire mesh. The top chord functions as a "high chair", developing negative moment capacity in the concrete slab causing it to behave as a continuous, one-way reinforced slab.
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| Simple: |
Fast and easy to install |
| Rigid: |
Composite design |
| Ductable: |
Saves on all mechanical trades (plumbing, electrical and HVAC) |
| Fire Protection: |
UL and ULC ratings with PVC plumbing and mechanical duct openings without fire dampers. |
| Acoustical Properties: |
STC 57, IIC 30 |
| Versatile: |
Applicable to all types of building frames. |
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* RA means Rollbar ® Angle.
RA* on Steel Beam
This Hambro® accessory is designed to be field
attached to the top flange of a steel beam running
parallel to a Hambro® joist. Rollbar Angle (RA)
is slotted similar to the Hambro® top chord "S"
to accommodate rollbars.
RA* on Walls
This Hambro® accessory is fastened at the top
of walls and is slotted similar to the Hambro®
top chord "S" to accommodate rollbars.
Hanger Plate
Shop attached slotted plate for thicker slab areas.
LH Series
This series features a top chord "S" made of
two Hambro® sections. Hambro® composite
long span floors provide greater economy for
heavy service loads and longer spans. Joist
depths range from 20" to 36" with spans up to
53'. Details are available from your Hambro®
representative.
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