| 摘要 |
Watertight wall for a dam or a dyke, composed of a plurality of horizontal layers of compacted earth-fillings, the wall comprising a rear wall which is composed of prefabricated panels of height equal to the height of several layers, each panel being equipped with buttresses situated at the back of the panels, which buttresses are embedded in the embankment of earth-fillings and are equipped wiht draining pipes, the wall further comprising a continuous sealing layer which is cast against the front face of the prefabricated panels.
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