FIELD: construction.
SUBSTANCE: invention relates specifically to perforated beams made of pultruded fiberglass. The perforated beam includes the upper and lower chords of paired channels or corners. Plates are installed between these paired profiles with a periodic step, connected to the chord profiles by means of bolts. Belt profiles and plates are made of pultruded fiberglass.
EFFECT: reduction of labour intensity during installation.
1 cl, 2 dwg
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