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Concrete structural elements, process and device for manufacturing these elements










Image Number 2 for United States Patent #4694622.

Concrete; structural elements having a high permissible working load typically in the range of at least 50-100 MPa. The element includes a block of compressed concrete surrounded by a tubular hoop made of intercrossed wires. Such elements are useful for making beams, posts, cables and the like.








 
 
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