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Hambro® LH Series
Design Info
Typical Details
Installation Guide


The Hambro® LH Series floor system combines composite joists with poured concrete, developing a hybrid concrete / steel T-beam running in one direction and an integrated, continuous slab in the opposite direction. The system utilizes reusable Rollbars® and plywood forms.

This series features a top chord made of two Hambro® D500 composite sections; an open web of light channels or angles; and a full range of heavier bottom chord angles.

Hambro® composite LH floor joists provide greater economy for heavy service loads and longer spans with live load deflections less than half those of conventional systems. Joist depths range from 16" to 48" with spans up to 65'. Complete load capacities and details are available from your Swirnow representative.

The Hambro® top chord acts as a continuous shear connector. Bottom chord angles and web members are hot or cold rolled sections, mininum yield Fy = 380 MPa (55 ksi) and 350 MPa (50 ksi) for rods.



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