REINFORCING ELEMENT FOR THREE-BAND TRUSS

REINFORCING ELEMENT FOR THREE-BAND TRUSS

For strengthening triangular girders in underground working, stiffening elements are welded between the three chords (T1, T2, T3). Such a stiffening element consists of three triangular wire polygons (10, 20, 30) connected to one another in one piece, of which two meet together at the apex chord (T3...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HUGI HANS,CH, SALZMANN PETER,CH
Format: Patent
Sprache:eng
Schlagworte:
BUILDING
BUILDING MATERIALS
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
STRUCTURAL ELEMENTS
TUNNELS
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Beschreibung
Zusammenfassung:For strengthening triangular girders in underground working, stiffening elements are welded between the three chords (T1, T2, T3). Such a stiffening element consists of three triangular wire polygons (10, 20, 30) connected to one another in one piece, of which two meet together at the apex chord (T3) and thus form a wire pyramid. The third wire polygon (30) is perpendicular to the plane determined by the axes of the base chords (T1, T2). Since neither this wire polygon (30) nor the wire polygon (10) adjoining it on the one side of the wire pyramid requires a cross strut between the base chords (T1, T2), considerable saving of material combined with higher bending strength is obtained.