| 摘要 |
A prefabricated, supporting building structure element, such as wall elements (11), floor structures (47) or the like comprising a reinforced concrete slab (13) having a plurality of discrete, parallel, horizontally separated, not mutually joined, longitudinally extended stiffening plate elements (15), each having a web (17) with a first longitudinal edge portion (21) embedded in the concrete, such that a considerable portion of the web (17) protrudes freely, substantially perpendicularly from a first side defining surface of the concrete slab (13). The building structure element is characterised in that the longitudinal edge portion (21) exhibits a substantially wave shaped corbelling from the plane of the web (17). The invention also relates a stiffening plate element intended for such building structure element.
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