In connection with the design of a barrage in an alluvial stream, identify the correct matching of List 1 (Items of design) with those in List 2 (Criteria of design)
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List – I |
List – II |
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A. |
Width of waterway for the barrage |
1. |
Lacey's scour depth and exit hydraulic gradient as given by Khosla's theory |
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B. |
Level and length of downstream floor |
2. |
Uplift pressure distribution determined by Khosla's theory |
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C. |
Total length of floor and depth of downstream sheet piles |
3. |
Lacey's wetted perimeter and discharge capacity of barrage determined by weir formula |
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D. |
Thickness of Barrage floor at different locations |
4. |
Hydraulic Jump considerations |
1
1 - D, 2 - A, 3 - C, 4 - B
2
1 - C, 2 - A, 3 - B, 4 - D
3
1 - D, 2 - B, 3 - A, 4 - C
4
1 - C, 2 - D, 3 - A, 4 - B