| 摘要 |
<p>A process is described for the production of a concrete post (1) in which prestressing elements (2) are connected to prefabricated concrete pieces (3; 4) and the prestressing elements (2) are tensioned and enclosed in that state in a mould by a concrete mixture which is allowed to set. The grade of the prefabricated concrete pieces (3; 4) differs from the grade of concrete in the remaining part of the concrete post (1), depending on the purpose for which it is to be used. In particular, the cubic compressive strength of the concrete of the concrete pieces (3; 4) is greater than the cubic compressive strength of the concrete in the remainder of the concrete post(1). A concrete pile obtained by the process according to the invention is also described.</p> |
