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In selection of dams in drainage channels, what are the advantages of using rubber dams instead of steel-gate dams?

In selection of dams in drainage channels, what are the advantages of using rubber dams instead of steel-gate dams?

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.

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(iii) Rubber dams can be designed with longer spans without piers while steel-gate dams require intermediate piers for long spans.

This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

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