Assertion: weir's capacity | /r/SimilarTo | for earthfill dams
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Source sentences:
text: However, the main risk for rockfill dams remains the possibility of overtopping caused by exceptionally high floods, as dams can be fully destroyed by a water nappe depth of 1m over the crest: thus, the capacity of rockfill dam spillways should be the same as for earthfill dams.