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Albert Mervis ?
2018-10-09 04:30:51

The advantages of rubber dams are as follows: (i) Since rubber is flexible in nature it is capable of performing deflation even in the presence of dirt and sedimentation on the downstream side.
However, for rigid steel-gate dams, it may not be possible to open when there is excessive sediment.
(ii) Since the foundation of rubber dams is comparatively lighter than that of steel-gate dams, it saves both construction cost and time.
(iii) Rubber dams can be designed with longer spans without piers while steel-gate dams require intermediate piers for long spans.

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