Glulam – Primary structures
Fish-bellied beams

Glulam – Primary structures
Fish-bellied beams

Glulam – Primary structures
Fish-bellied beams

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

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