The below compound channel has the dimensions of b₁ = 34 m, b₂ = 67 m, n₁ = 0.034, n₂ = 0.057, Z₁ = 2.63 m, and Z₂ = 10 m.The bottom slope is S = 0.0021 and the water surface elevation is= 3.3 m AHD. The Datum represents an elevation of 0 m AHD.Answer:n₁NAnswer:Z₁0₂D₁a. Determine the discharge in m³/s assuming uniform flowD₂DatumZ₂Nb. Determine the normal flow water elevation in m AHD in the channel above for a 100-year flood equal to 512 m³/s

The below compound channel has the dimensions of b1 = 34 m, b₂ = 67 m n1 = 0.034, n2 = 0.057Z₁ =…

Answered: a. Determine the discharge in m³/s…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Compute the diameter (cm) of the outfall required to drain storm water from the watershed described in figure below. Use rainfall intensity = 4 cm/hr. Average velocity of flow is 1 m/s. Other data are for: Area 1: C=0.5, area=0.005 km2. Area 2: C=0.4, area =0.01 km2. Area 3: C=0.7, area=0.015 km2.
Water flows in a horizontal, rectangular channel initially 10 feet wide and 2 feet deep. The initial velocity is 6 ft/s. This flow encounters downstream a simultaneous downward step and constriction. No energy losses are associated with these changes in channel configuration. a. What is the specific discharge, q: i. Upstream (for w= 10 feet)? ii. Downstream (for w = 6 feet)? b. What specific energy, E, is associated with the flow as initially specified (at the upstream location)? c. What is the minimum energy needed to pass the full discharge at the downstream location? d. What is the height (Az) of the smallest downward step necessary for the upstream flow conditions to remain as specified?
A high overflow spillway with P/H> 1.33 has a maximum discharge of 5,000 cfs with a maximum head of 15 ft. Determine the design head (in feet), spillway crest length (in feet), minimum pressure head (in feet) and the minimum pressure (in psi) on the spillway. Figure 6.2 Discharge Coefficient for the WES standard spillway shape Correction factor PHICH 1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.6 0.5 0.4 0.3 0.2 0.1 0 OC Upstream face slope: 3 on 3 0.70 3 on 1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 PIHd 3 on 2 0.75 1.3 0.80 1.2 1.1 1.0 0.9 0.8 0.7 PIH=0.20- 0.33- 0.67 1.00- H₂ 0.85 0.90 C/Co in which Co = 4.03 1.33 or greater Q=CLH5 H₂-velocity head He design total head H.- actual total head H₂ 0.95 1.00

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a. Determine the discharge in m³/s assuming uniform flow Answer: b. Determine the normal flow water elevation in m AHD in the channel above for a 100-year flood equal to 512 m³/s Answer: