| 摘要 |
A concrete tube (10) comprising a first end (20) and a second end (30), a first connection fascia (22) which is associated with said first end (20) and which extends along at least a portion of the inner perimeter of the cross-section of the first end (20) and a second connection fascia (32) which is associated with said second end (30) and which extends along at least a portion of the inner perimeter of the cross-section of the second end (30), wherein an inner edge of said first connection fascia (22) is at a distance from an opposed inner edge of said second connection fascia (32), wherein said first connection fascia (22) and said second connection fascia (32) comprise at least one anchoring (23,33) device which projects radially outwardly and is concrete embedded, wherein said at least one anchoring device (23,33) is arranged in a such a manner as to form at least one continuous projection which extends substantially transversely with respect to a longitudinal axis of the concrete tube (10). |
