Noise reduction device

Abstract

The invention relates to a noise reduction device ( 1 ) for arrangement on a traffic route, comprising at least one wall element ( 8 ) having a wall element longitudinal extension ( 28 a ), the wall element ( 8 ) being disposed on at least one base element ( 7 ) having a base element longitudinal extension ( 12 ) in the direction of the wall element longitudinal extension ( 28 a ), and the base element ( 7 ) has a first front face ( 14 ) and a second front face ( 15 ), and the two front faces ( 14, 15 ) extend opposite one another along the base element longitudinal extension ( 12 ). The first front face ( 14 ) of the base element ( 7 ) is provided with a curvature ( 16 ) and the second front face ( 15 ) of the base element ( 7 ) is provided with a second curvature ( 17 ) and the two curvatures ( 16, 17 ) extend in the direction perpendicular to the base element longitudinal extension ( 12 ).

1 . Noise reduction device ( 1 ) for arrangement on a traffic route, comprising at least one wall element ( 8 ) having a wall element longitudinal extension ( 28   a ), the wall element ( 8 ) being arranged on at least one base element ( 7 ) having a base element longitudinal extension ( 12 ) in the direction of the wall element longitudinal extension ( 28   a ), and the base element ( 7 ) has a first front face ( 14 ) and a second front face ( 15 ), and the two front faces ( 14 ,  15 ) lie opposite one another along the base element longitudinal extension ( 12 ), wherein the first front face ( 14 ) of the base element ( 7 ) is provided with a curvature ( 16 ) and the second front face ( 15 ) of the base element ( 7 ) is provided with a second curvature ( 17 ), and the two curvatures ( 16 ,  17 ) extend in the direction perpendicular to the base element longitudinal extension ( 12 ). 
     
     
         2 . Noise reduction device ( 1 ) according to  claim 1 , wherein the curvature ( 16 ) has a conical contour and the second curvature ( 17 ) has a convex contour. 
     
     
         3 . Noise reduction device ( 1 ) according to  claim 1 , wherein the wall element ( 8 ) and the base element ( 7 ) are of an integral design. 
     
     
         4 . Noise reduction device ( 1 ) according to  claim 1 , wherein the wall element ( 8 ) and/or the base element ( 7 ) are made from a lightweight concrete incorporating pores. 
     
     
         5 . Noise reduction device ( 1 ) according to  claim 1 , wherein the wall element ( 8 ) has a filling of rock wool or rubber granulate. 
     
     
         6 . Noise reduction device ( 1 ) according to  claim 1 , wherein a barrier element against sound waves is disposed on and/or in the wall element ( 8 ). 
     
     
         7 . Noise reduction wall system ( 20 ) comprising several noise reduction devices ( 1 ) disposed one after the other in the longitudinal direction, wherein the noise reduction device ( 1 ) is based on that according to  claim 1 . 
     
     
         8 . Noise reduction wall system ( 20 ) according to  claim 7 , wherein the noise reduction devices ( 1 ) are connected to one another in a positively fitting arrangement. 
     
     
         9 . Noise reduction wall system ( 20 ) according to  claim 7 , wherein exclusively the first and/or the last noise reduction devices ( 1 ) of the several noise reduction devices ( 1 ) disposed one after the other has or have at least one connecting element ( 24 ) by means of which the noise reduction device ( 1 ) can be connected to a crosstie and/or a rail of a track. 
     
     
         10 . Use of the noise reduction device ( 1 ) according to  claim 1  as a noise reduction wall along a track, the noise reduction wall being erected at a distance of between 50 cm and 120 cm from the neighboring rail.