Concrete element comprising a sound absorber

Concrete element comprising a sound absorber

  • CN 105,658,881 B
  • Filed: 10/27/2014
  • Issued: 11/20/2020
  • Est. Priority Date: 10/31/2013
  • Status: Active Grant
First Claim
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1. A reinforced concrete element comprising a sound-absorbing, at least partially open-celled foam material, which foam material is partially exposed at the surface of the concrete element, wherein the surface on which the foam material is exposed only partially comprises foam material, wherein a reinforcement part is surrounded by foam material, wherein 5-60% by volume of the reinforcement is surrounded by foam material, and wherein the surface on which the foam material is exposed comprises 10-40 area% foam material, and the foam material is distributed in strips at periodic intervals over the surface of the concrete element.

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