Concrete Metal I Formed No Finish Ii Float Finish Iii Gunite Wavy Section Concrete Bottom Float Finish Sides As I 1 (46.87 KiB) Viewed 29 times
Concrete Metal I Formed No Finish Ii Float Finish Iii Gunite Wavy Section Concrete Bottom Float Finish Sides As I 2 (14.42 KiB) Viewed 29 times
Concrete Metal i. formed, no finish ii. float finish iii. gunite, wavy section Concrete bottom, float finish, sides as indicated i. random stone in mortar ii. cement rubble masonry, plastered iii. dressed stone in mortar iv. cement rubble masonry v. dry rubble (rip-rap) Brick Channel type i. smooth steel surface (unpainted) ii. corrugated TABLE Q2(c) i. glazed ii. in cement mortar Wood i. planed, untreated ii. plank with battens Manning's n 0.013 -0.017 0.013 -0.015 0.018-0.022 0.017 -0.020 0.016 -0.020 0.015-0.017 0.020 - 0.025 0.020 -0.030 0.011-0.014 0.021 0.030 0.011-0.015 0.012 -0.018 0.010-0.014 0.012-0.018
(c) A trapezoidal channel with bottom width 3 m and side slopes 5(H): 2(V) conveys 8 m³/s of flow. The channel rests on 0.32° ground surface lined with concrete at bottom and dressed stone in mortar on both sides (TABLE Q2(c)). If a 0.5 m-high weir is placed across the channel section, determine depth of flow above the weir. (8 marks)
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