| 摘要 |
<p>The invention relates to a method for casting a concrete tube (8), which method comprises the steps of:
- providing an outer mould (2) and an elongate inner mould (3), wherein the inner mould (3) is arranged inside the outer mould (2);
- pouring a concrete mixture in the mould space defined by the inner mould (3) and the outer mould (2);
- after pouring the concrete mixture leaving the concrete mixture to set;
- pulling the inner mould (3) in axial direction out of the set concrete tube (8) and wherein the outer surface of the inner mould (3) is lined with a flexible layer (7).</p> |
