| 摘要 |
<p>A concrete element (10) has a first wall (16), a second wall (12) located parallel to the first wall and a concrete wall (14) located between the first and second walls with whose manufacture. Fresh concrete is filled between the first and second wall. The first wall and the second wall are located in a position relative to the concrete wall in which they are pressed during the manufacture of the concrete wall by the fresh concrete pressure directed outwards against a casing device. The concrete element containing the first wall, the second wall and the concrete wall is designed as a prefabricated element for installation in a prefab.</p> |
