Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 29, 2011
Patent Application Number
11842718
Date Filed
August 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A composite sound barrier panel includes a concrete substrate provided for strength and a noise attenuation layer bonded thereto. The noise attenuation layer in one embodiment is a concrete mixture of a fiber composite material and cement. In another embodiment, recycled wood chips are added to the mixture. A plurality of identical panels are pre-cast in a mold for use in forming a noise abatement wall, particularly between a residential neighborhood and a highway.
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