Dam with foundation on bottom of water course

摘要

At least one coffer (8) is fixed between two successive pillars (6). The pillars on the side facing the coffer and the coffer on the side facing the pillars are each provided with collaborating connecting devices (10) which fix the coffer in relation to the pillars. The connecting devices have a nose formation fitted on the pillars or the coffer, and which grips in a mainly complementary recess in the coffer or the pillars. The connecting devices have a recess in the pillars and the coffer, together with a connecting component which is complementarily formed to those in the coffer and the pillars.