A 2 L beaker of Rhodamine B dye, with a reported dye concentration of 2.42x104 µg/L, was instantaneously poured into Rist Creek at flood stage. Using a fluorometer, the river cross-section sampled 225 m downstream (D/S), with the sampling results shown below. D/S measured dye concentration (µg/L) was subsequently Time (min:sec) 0:00 4:40 5:00 5:20 5:40 6:00 6:20 6:40 0.0 0.0 5.3 4.6 4.6 4.6 4.1 30

A 2 L beaker of Rhodamine B dye, with a reported dye concentration of 2.42x104 µg/L, was instantaneously poured into Rist Creek at flood stage. Using a fluorometer, the river cross-section sampled 225 m downstream (D/S), with the sampling results shown below. D/S measured dye concentration (µg/L) was subsequently Time (min:sec) 0:00 4:40 5:00 5:20 5:40 6:00 6:20 6:40 0.0 0.0 5.3 4.6 4.6 4.6 4.1 30

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Example 5.5 Find discharge in a rectangular channel having Manning's n=0.04, Sr= 0.0005, width of 5 m and depth of flow of 1.5 m.
Problem 4.11. Assuming a dimesionless hydrograph is applicable, determine the duration of flow if the peak runoff is 8.5 m³/s (300 cfs) and the volume of flow is 100 mm (4 in.) for a 50-year storm from an 85-ha (210 ac) watershed. What are the coordinates for point n on the design hydrograph?
Will the following rectangular channel (base = 8 ft, height = 3 ft) be able to provide adequate conveyance for the drainage area shown in the figure below? The channel roughness (n) is 0.02 and slope is 0.01 (ft/ft). Use the rational method and assume a runoff coefficient of 0.75 and rainfall intensity of 2.5 in/hr to calculate the runoff. 2,000 ft 700 ft Channel 500 ft
: Provide two examples of each of the non-uniform and unsteady flows in open channels.
What is the discharge capacity of an irrigation channel having a total depth of 1.5 meter (including freeboard) , bottom width 1.2 m, side slope 2:1, and a hydraulic gradient of 0.001 m/m? Assume n=0.04 and freeboard to be 20% of the flow depth.
I hope your help hydraulic question thanks
A stream has a uniform flow of 10 m/s. A flood in which the discharge increases linearly from 10 m³/s to a peak of 70 m'/s in 6 h and then decreases linearly to a value of 10 m/s in 24 h from the peak arrives at a reach. Route the flood through the reach in which K = 10 h and x = 0
During major flood events water flows over the top of a roadway. (a) Determine the head (H) on the broad-crested weir for a discharge rate of 15,000 cfs if the overflow section of roadway is horizontal and 500 ft long. Assume a discharge coefficient of 0.33. (b) Assume that a vehicle stalled on the roadway will be washed off the roadway into the downstream channel if the water depth exceeds 4.0 ft. Compute the water depth and velocity on the roadway. Will a stalled vehicle on the roadway remain on the road during the flood?
(a) A flood drainage channel has to be designed to carry runoff from 200 km² area. If the flow per square kilometer is 0.5 m³/s/km², determine the flood drainage channel size using (i) the permissible velocity method, and (ii) tractive force method. The material size is 2 mm and S,=0.00002. Provide sufficient justification for assumptions and/or judgement used in your procedure. State clearly the design steps used in the design process. (b) The reservoir level upstream of a 30-m-wide spillway for a flow of 800 m³/s is at El. 250 m and downstream river level channel for this design flow is at El. 150 m. If the stilling basin width is the same as that of the spillway, compute the floor level of the stilling basin so that the jump is formed in the basin. Assume the losses in the spillway are negligible. What would be the basin invert level if one can use an end sill or one row of baffle blocks and an end sill? (c) A mountain creek with a flow rate of 100 ft/s passes through an eight-ft…
Use the TR-55 method to estimate the time of concentration for following watershed if the 2-year 24-hr rainfall is 2.5 in. Flow path A → B B → C C → D D → E D B Description Overland flow, dense grasses Shallow concentrated flow, unpaved surfaces Channel flow, rectangular channel, bottom width 2 ft, depth 1.5 ft, Manning's n = 0.04 Channel flow, trapezoidal channel, bottom width 4 ft, depth 3 ft, side slope 2:1, Manning's n = 0.035 Slope Length (ft) 0.02 350 0.05 500 0.03 1000 0.005 1500
You are designing a drainage system for a residential site in Atlanta using a 10-year return period. The site has an area of 1 ha, a flow length of 100 m, an average slop of 1%, a Manning's number of 0.25 and Type B soil. Drainage regulations require that the kinematic wave equation be used to calculate the time of concentration. You are allowed to use either the rational method or TR-55 to calculate the peak runoff rate. It is suggested you used a runoff coefficient of 0.4, which is typical for residential sites. What curve number would be required for both the rational method and the TR-55 method to provide the same peak runoff rate?