Retaining wall for waterways

Claim 1

RETAINING WALL FOR A WATERWAY HAVING A BED, A BANK PORTION SLOPING UPWARDLY AND OUTWARDLY FROM SAID BED AND MAKING THEREWITH AN ANGLE OF APPROXIMATELY 135 DEGREES, AND A GROUND PORTION EXTENDING FROM THE TOP OF SAID BANK PORTION AND OUTWARDLY THEREOF; A GENERALLY INTEGRAL RETAINING WALL STRUCTURE FORMED PRINCIPALLY OF CONCRETE AND INCLUDING REINFORCING MEANS THEREWITHIN, SAID RETAINING WALL STRUCTURE INCLUDING A BOTTOM PORTION, A SIDE PORTION AND A TOP PORTION, SAID SIDE PORTION BEING DISPOSED IN ABUTTING RELATION TO SAID BANK PORTION OF THE WATERWAY, SAID TOP PORTION INCLUDING A PART EXTENDING LATERALLY OUTWARDLY OF SAID SIDE PORTION AND TAPERING DOWNWARDLY TO A SMALLER DIMENSION IN A DIRECTION AWAY FROM SAID SIDE PORTION, THERE BEING A RECESS FORMED ALONG THE JUNCTION OF SAID BANK PORTION AND SAID GROUND PORTION, SAID LATERALLY EXTENDING PART OF THE TOP PORTION OF THE RETAINING WALL STRUCTURE FITTING RELATIVELY SNUGLY WITHIN SAID RECESS, AND SAID STRUCTURE INCLUDING AN INTEGRAL OFFSET RAMP SECTION HAVING RAMP SIDE PORTIONS, RAMP TOP PORTIONS AND RAMP BOTTOM PORTIONS, SAID RAMP SIDE PORTIONS HAVING A MORE GRADUALLY SLOPING SURFACE THAN THE SIDE PORTIONS OF SAID RETAINING WALL, THE SIDE AND TOP PORTIONS OF SAID RAMP SECTION BEING INTERCONNECTED WITH SAID FIRSTMENTIONED SIDE AND TOP PORTIONS BY INTEGRAL CURVED WALL PORTIONS TO MINIMIZE DAMAGE TO THE OVER-ALL STRUCTURE UPON EXPANSION OR CONTRACTION THEREOF.