Combined wall (1) for installation in the ground (2),comprising at least one bore (3) and at least two carriers (4a, 4b),where the bore (3) connects the two beams (4a, 4b) so that the bore (3) and the two beams (4a, 4b) form a wall element (5) of the combined wall (1), with at least one bore (3) comprising a sheet of steel, with at least two beams (4a, 4b) each having a profile number, the two beams (4a, 4b) run in height direction and preferably vertically;where the combined wall (1) or the change element (5) one stronger through the ground (2). potentially more stressed back side (6) and one weaker by the ground (2). has a potentially weaker front (7), where the forces of the Earth Realm (5) acting on the wall element (2) in the direction of the rear (6) to the front (7) of the wall element (5) define a load direction BR, with the vertical direction of the load direction BR as a wall direction in the view WR is defined,where the profile piles of the bearers (4a, 4b) have a principal line (8a, 8b) and a transverse primary cross-bar (9a, 9b), with a first end (10) of the beams (3) a first bearer (4a) of the two bearers (4a, 4b) and a second end (11) of the beam (3) is assigned to a second carrier (4b) of the two carriers (4a, 4b);characterized by:the sheet of steel of the bore (3) has a profile width PB and WR in wall direction of at least 80cm, with the first end (10) ina wall-facing surface WR with at least one first cross-bar (9a) of the first carrier (4a) overlapping an OCL overlap, where the first end (10) in an upward direction of load BR is at least one first cross-bar (9a) of the first carrier (4a) not exceeding 100 mm and preferably not exceeding 50 mm.
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