Corrugated fluid-tight membrane fluid-tight wall (1) including two series of parallel corrugations forming a plurality of nodes (5) at the crossings of said series of corrugations,wave reinforcements (11) being arranged under the corrugations (3) of the first series of corrugations (3),two successive wave reinforcements (11) in a corrugation (3) each including a hollow sole (15) and a reinforcement portion (16) disposed above the sole (15), the two wave reinforcements (11) being developed in the corrugation (3) on either side of a node (5),a connecting member (13) at the level of the node (5) being nested in the soles (15) of said two wave reinforcements (11) in such a manner as to assemble the two wave reinforcements (11) in an aligned position.展开▼
