Double head support for diaphragm wall

摘要

The top (2) and/or lower chord (3) consist of a hollow profile, or a T-shaped carrier profile. The hollow profile is typically triangular, circular, oval, or rectangular. The double head support (1) may be bent about at least one axis. The double head support may be symmetrical w.r.t. its centre axis and/or its central longitudinal axis. The two chords may contain grooves (6) and may be fitted with an extension profile, or with one or more functional carriers. They may comprise one or more retainers for different fixtures.