13. (LAB) A discharge of 25 m/s is passing in a rectangular channel of bed width 8.0 meters and water depth 3.0 meters. The channel bed width is gradually contracted from 8.0 meters at section (1) to 6.0 meters at section (2). In the contraction zone, a smooth hump is placed in the channel in which the bed level is gradually increased by 1.00 m. Determine: (i) The change in water levels, (ii).The minimum height of hump so that y2 = yc, and (iii) The change in water levels if the hump height is 1.50 meter.

Structural Analysis
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Chapter2: Loads On Structures
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13. (LAB) A discharge of 25 m³/s is passing in a rectangular channel of bed width 8.0 meters and
water depth 3.0 meters. The channel bed width is gradually contracted from 8.0 meters at section
(1) to 6.0 meters at section (2). In the contraction zone, a smooth hump is placed in the channel
in which the bed level is gradually increased by 1.00 m. Determine: (i) The change in water
levels, (ii). The minimum height of hump so that y2 = ye, and (iii) The change in water levels if the
hump height is 1.50 meter.
Transcribed Image Text:13. (LAB) A discharge of 25 m³/s is passing in a rectangular channel of bed width 8.0 meters and water depth 3.0 meters. The channel bed width is gradually contracted from 8.0 meters at section (1) to 6.0 meters at section (2). In the contraction zone, a smooth hump is placed in the channel in which the bed level is gradually increased by 1.00 m. Determine: (i) The change in water levels, (ii). The minimum height of hump so that y2 = ye, and (iii) The change in water levels if the hump height is 1.50 meter.
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