| 摘要 |
<p>The present invention relates to a expansion joint to bridge an expansion gap between two parts of concrete slabs used in floor construction, especially in the manufacture of concrete floors such as for example in industrial floors. The expansion joint has an upper (2) and lower (3) portion, wherein the upper portion provides a dividing member (4) and the lower portion comprises a vertically oriented corrugated plate (5). In a further embodiment of the present invention, the expansion joint is characterized in having an upper (2) and lower (3) portion, each comprising two vertically oriented corrugated plates with undulations that fit in one another, and characterized in that the corrugated plates of the upper and lower portion are out of phase to one another.</p> |
