Revetment for an embankment, as well as revetment element therefore

Abstract

A revetment for an embankment, bank and the like, includes revetment elements ( 1 ) with parallel bottom ( 5 ) and top ( 4 ) surfaces arranged according to rows ( 2, 3 ) which are positioned next to each other in transverse direction, the rows ( 2, 3 ) each extending in longitudinal direction, each revetment ( 1 ) element being symmetric with respect to a line of symmetry ( 9 ) and asymmetric with respect to a line of asymmetry ( 10 ) which is perpendicular with respect to the line of symmetry ( 9 ), open spaces ( 19 - 21 ) being enclosed between subsequent revetment elements ( 1 ) of a row ( 2, 3 ) and between revetment elements ( 1 ) of neighbouring rows ( 2, 3 ). The lines of symmetry ( 9 ) of the revetment elements ( 1 ) are oriented in the transverse direction and the revetment elements ( 1 ) which are arranged according to a single row ( 2, 3 ) have the same orientations with respect to their respective line of asymmetry ( 10 ).

1 - 28 . (canceled) 
   
   
       29 . Revetment for an embankment, bank and the like, comprising revetment elements ( 1 ) which have parallel bottom ( 5 ) and top ( 4 ) surfaces and which are arranged according to rows ( 2 ,  3 ) which are positioned next to each other in transverse direction, said rows ( 2 ,  3 ) each extending in longitudinal direction, each revetment ( 1 ) element being symmetric with respect to a line of symmetry ( 9 ) and asymmetric with respect to a line of asymmetry ( 10 ) which is perpendicular with respect to the line of symmetry ( 9 ), open spaces ( 19 - 21 ) being enclosed between subsequent revetment elements ( 1 ) of a row ( 2 ,  3 ) and between revetment elements ( 1 ) of neighbouring rows ( 2 ,  3 ), characterised in that the lines of symmetry ( 9 ) of the revetment elements ( 1 ) are oriented in the transverse direction, in that the revetment elements ( 1 ) which are arranged according to a single row ( 2 ,  3 ) have the same orientations with respect to their respective line of asymmetry ( 10 ), in that the revetment elements ( 1 ) have a longitudinal section ( 7 ) and a lateral section ( 8 ), and in that the lateral section ( 8 ) has sides ( 15 ,  16 ) located opposite each other when seen in longitudinal direction, which sides ( 15 ,  16 ) are concavely shaped. 
   
   
       30 . Revetment according to  claim 29 , wherein the orientation of revetment elements ( 1 ) of a row ( 2 ,  3 ) with respect to their respective line of asymmetry ( 10 ) is opposite the orientation of revetment elements ( 1 ) of a neighbouring row ( 2 ,  3 ) with respect to their respective line of asymmetry ( 10 ). 
   
   
       31 . Revetment according to  claim 29 , wherein the lines of symmetry ( 9 ) of the revetment elements ( 1 ) are oriented perpendicularly with respect to the longitudinal direction. 
   
   
       32 . Revetment according to  claim 29 , wherein the revetment elements ( 1 ) have a generally triangular shape. 
   
   
       33 . Revetment according to  claim 29 , wherein the revetment elements ( 1 ) have a general T-shape. 
   
   
       34 . Revetment according to  claim 29 , wherein the lateral section ( 8 ) is positioned symmetric with respect to the line of symmetry ( 9 ) of the revetment elements ( 1 ). 
   
   
       35 . Revetment according to  claim 29 , wherein the lateral section ( 8 ) is symmetric with respect to the line of symmetry ( 9 ) of the revetment elements ( 1 ). 
   
   
       36 . Revetment according to  claim 29 , wherein the longitudinal section ( 7 ) has opposite ends ( 11 ,  12 ) in longitudinal direction which are convexly shaped. 
   
   
       37 . Revetment according to  claim 29 , wherein the longitudinal section ( 7 ) has a longitudinal side ( 13 ) located opposite the lateral section ( 8 ), said longitudinal sides ( 13 ) of the revetment elements ( 1 ) of neighbouring series facing each other and/or contacting each other. 
   
   
       38 . Revetment according to  claim 37 , wherein the longitudinal side ( 13 ) of the longitudinal section ( 7 ) is concavely shaped. 
   
   
       39 . Revetment according to  claim 29 , wherein the lateral section ( 8 ) has a convexly shaped lateral end ( 14 ). 
   
   
       40 . Revetment according to  claim 38 , wherein the concavely shaped opposite sides ( 15 ,  16 ) of the lateral section ( 8 ) have a radius of curvature which is smaller than the radius of curvature of the concavely shaped longitudinal side ( 13 ) of the longitudinal section ( 7 ). 
   
   
       41 . Revetment according to  claim 36 , wherein each convexly shaped end ( 11 ,  12 ) of the longitudinal section ( 7 ) merges into a concavely shaped side ( 15 ,  16 ) of the lateral section ( 8 ). 
   
   
       42 . Revetment according to  claim 29 , wherein neighbouring rows ( 2 ,  3 ) are shifted with respect to each other in the longitudinal direction over a distance smaller than the longitudinal dimension of a revetment element ( 1 ). 
   
   
       43 . Revetment according to  claim 29 , wherein neighbouring rows ( 2 ,  3 ) are shifted with respect to each other in the longitudinal direction over a distance equal to half the longitudinal dimension of a revetment element ( 1 ). 
   
   
       44 . Revetment according to  claim 42 , wherein the lateral end ( 14 ) of a revetment element ( 1 ) of a series abuts the longitudinal sections ( 7 ) of adjoining revetment elements ( 1 ) of neighbouring rows. 
   
   
       45 . Revetment according to  claim 44 , wherein the lateral ends ( 14 ) of the revetment elements ( 1 ) of neighbouring rows ( 2 ,  3 ) enclose open spaces ( 19 ). 
   
   
       46 . Revetment according to  claim 29 , wherein the rows ( 2 ,  3 ) are rectilinear. 
   
   
       47 . Revetment according to  claim 29 , wherein the rows ( 2 ,  3 ) are curved according to a part of a circle. 
   
   
       48 . Revetment element ( 1 ) for a revetment according to  claim 29 , said revetment element ( 1 ) being symmetric with respect to a line of symmetry ( 9 ) and asymmetric with respect to a line of asymmetry ( 10 ) perpendicular with respect to the line of symmetry ( 9 ), characterised by a longitudinal section ( 7 ) and a lateral section ( 8 ), said lateral section ( 8 ) being positioned symmetric with respect to the line of symmetry ( 9 ) of the revetment elements ( 1 ), the revetment element having a generally triangular shape, and the lateral section ( 8 ) has sides ( 15 ,  16 ) located opposite each other when seen in longitudinal direction, which sides ( 15 ,  16 ) are concavely shaped. 
   
   
       49 . Revetment element ( 1 ) according to  claim 48 , wherein the lateral section ( 8 ) is symmetric with respect to the line of symmetry ( 9 ) of the revetment elements ( 1 ). 
   
   
       50 . Revetment element ( 1 ) according to  claim 49 , wherein the revetment element has a general T-shape. 
   
   
       51 . Revetment element ( 1 ) according to  claim 49 , wherein the longitudinal section ( 7 ) has opposite ends ( 11 ,  12 ) in longitudinal direction which are convexly shaped. 
   
   
       52 . Revetment element ( 1 ) according to  claim 48 , wherein each convexly shaped end ( 11 ,  12 ) of the longitudinal section ( 7 ) merges into a concavely shaped side ( 15 ,  16 ) of the lateral section ( 8 ) via a transition ( 17 ,  18 ). 
   
   
       53 . Revetment element ( 1 ) according to  claim 48 , wherein the longitudinal section ( 7 ) has a concavely shaped longitudinal side ( 13 ) located opposite the lateral section ( 8 ).