| 摘要 |
<p>The present invention relates to a rectangular sandwich construction panel, which comprises a first layer, a second layer and a third layer, wherein the first and third layer comprise set mortar and the second layer comprises hard foam. According to the invention the first layer has a thickness of 5 mm to 50 mm, the second layer has a thickness of 80 mm Lo 400 mm and the third layer has a thickness of 5 mm to 50 mm, with the provisio that the ratio R of the second layer to the total thickness of the first and the third layer which is at least 2.5, and is the connection of the first layer with the second layer and the connection of the third layer with the second layer stronger than the second layer, wherein in the second layer at least one duct is provided which extends from at least 1 edge selected from the upper edge, lower edge and side edges in the direction of the opposite edge. The invention also relates to a method for manufacturing the construction panel and application thereof.</p> |
