Fish-bellied beams
The parabolic shape of the fish-belly beam at the lower edge of the beam optimally reflects the static moment curve, the force curve can be read off. Both experts and laymen find this harmonious course architecturally aesthetic and elegant. In the case of a single-bay hall, the roof is designed as a monopitch roof. In the case of halls with two or more bays with central supports, gable roofs or – if the support heights in the central axis are offset – scheduled roofs are formed.
In addition to being used as roof girders, fish-bellied beams and interceptor beams can also be designed.
Technical
Data
| Span | 10 – 50 m |
|---|---|
| Roof pitch | – |
| Usual beam spacing (other dimensions possible) | 5 – 7 m |
| Beam width (2 cm preferred dimensions each) | 10 to 26 cm |
| Cantilevers | possible on both sides |
| Height of components (for structural design) | h1 = l/16 ; h2 = l/20 to l/25 |
| Possible fire resistance classes | R 30 > without problems R 60 > with additional costs |
| Preferred strength classes | GL 24h/c, GL 28c, GL 30c |
Glulam
Components parts
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