Patent ID: 8348555

Claim:
A formwork element for bounding a trench wall section of a trench wall, the formwork element comprising: a plurality of concrete formwork parts adjoining each other, each having a plate-shaped base body having top and bottom horizontal end faces, a metal plate arranged at at least one of the end faces, the metal plate having an outer contour corresponding to the profile of the base body, and a recess provided in the base body, the recess being bounded by the metal plate, wherein the formwork parts adjoin each other at their end faces, and each formwork part has a first longitudinal side for placement towards a bounding trench wall section, and a second longitudinal side opposite the first longitudinal side, the first and second longitudinal sides being perpendicular to the top and bottom horizontal end faces; connecting devices arranged in the recesses in the base bodies and connecting adjoining formwork parts to one another at their adjoining horizontal end faces; and a joint-sealing tape arranged along at least the first longitudinal side of each of the formwork parts.