The invention relates to a construction section comprising at least two curved and / or flat wall elements, each with two longitudinal edges and two transverse edges, the wall elements having a profile with a cross section on the longitudinal edges and at least two shaped pieces for connecting the wall elements via their longitudinal edges, each shaped piece at least has two receptacles each for receiving a longitudinal edge of the wall elements and wherein the receptacle is designed with a cross-section that is geometrically complementary to the cross-section of the profiling of the longitudinal edge of the wall element, two wall elements being connected to one another via one or at least one molded piece as well as a structure and the use of the Construction section and / or the structure.
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