The peak time is 1 hour and the recession times is 2 hours

Assignment Help Civil Engineering
Reference no: EM13561565

Route a trianglular hydrograph through a 100 foot wide rectangular channel with a bed slope of 0.015 and a Mannings n of 0.035.  Take a distance between cross-sections of 3000 ft.  The base flow is 200 cfs, the peak flow is 2000 cfs.  The peak time is 1 hour and the recession times is 2 hours.  Show excel spreadsheet.

Reference no: EM13561565

Questions Cloud

Determine the lifetime risk of a resident : Consider a small town in the Phillippines, where the average weight of people is 55 kg, and the average lifespan is 60 years. The people here eat lots of fish due to abundant availability from the local river.
Determine the risk to the workers who work 8 hours/day : The natural air flow rate to this industrial shade structure is 90 m3/hour. Determine the risk to the workers who work 8 hours/day, 50 weeks/year for 30 years. Assume workers are 75 kg and live for 70 years.
Can you find bod10 from this test : During a BOD test, 2 mL of waste water having a DO of 0 was mixed with 298 mL of dilution water having a DO of 8.9 mg/L. After 5 days and 20 days, it was noted that the DO of the test bottle was 4.0 and 2.5 respectively,
Make a preliminary estimate of the length and elevation : A 5-ha residential development with 0.4-ha lots is to be drained such that the first 25mm of runoff is retained onsite and the postdevelopment peak discharge rate from the site is not to exceed 1m^3/s for thje 25-year 1-d rain event. The natural soil..
The peak time is 1 hour and the recession times is 2 hours : Route a trianglular hydrograph through a 100 foot wide rectangular channel with a bed slope of 0.015 and a Mannings n of 0.035.  Take a distance between cross-sections of 3000 ft.
Determine their common velocity just after the collision : A steel column has a total unbraced height of 14 ft and carries an axial LRFD load of 950 kips. The column ends are fixed. Select an economical HSS 14x14 for this column.
Estimate the stopping distance required traveling northbound : Estimate the stopping distance required traveling northbound along University Drive towards campus assuming you are traveling at 40 mph under normal conditions.
Explain the working principles of two tests that can : Should the soil be compacted at the dry of optimum or at the wet of optimum condition in order to minimize the swelling potential? Briefly explain the reason for your answer.
Calculate the percentage of change in total volume : A montmorillonite clay has a liquid limit of 160, a plastic limit of 75 and a shrinkage limit of 10. Calculate the percentage of change in total volume with respect to its initial volume when a specimen of this clay is completely dried from a water c..

Reviews

Write a Review

Civil Engineering Questions & Answers

  At what constant rate would train need to be decelerating

An excursion train, travelling at 80ft/s, encounters a rain shower. The point A lies directly 8ft. beneath the lip of an overhang in the observation car. The raindrops can be assumed to be falling at a constant speed of 40ft/s.

  Calculate what will be the total emissions of pm and pm10

emissions from waste oil combustion may be estimated using ap-42 1.11. A small boler is operated from 10/15/2012 through 4/15/2013 and it is used to burn 45 gallons per hour of a blended waste oil having an ash content of 7%

  Determine what is the bod concentration 50 km downstream

The concentration of BOD (an indicator of organic pollution) in a river just downstream of a sewage treatment plant's effluent pipe is 75 mg/L. If the BOD is destroyed by a first order reaction with rate constant equal to 0.05/day

  Plot the two test results on a shear stress-normal stress

Two triaxial tests were performed on two prepared samples of the same limestone. At a confining pressure of 2000 psi, the first sample failed at 9000 psi. Then at a confining pressure of 5000 psi

  Estimate the evaporation volume for the month in m3

Lake Mead has a water surface area of 65,800 hectares. In acertain month the reservoir is full, and the pan evaporation rateis 25 cm. Using a pan coefficient of 0.73, estimate theevaporation volume for the month in m3.

  What is the optimal distance between the two drainage canals

To avoid the salinization of soil in a farming area, parallel drainage canals are to be installed to maintain the water table at a depth of at least 4m below the ground surface. It is thought that no evapo-transpiration would occur below that dept..

  The maximum eight-hour average concentration of carbon

1. the maximum eight-hour average concentration of carbon monoxide co in an urban area is measured to be 15 ppm. the

  Write macro that will take the distance between two cities

Transportation need to evaluate the time spent in traveling from city A to city B. The distance between the two cities is a variable because the macro developed is to be used for other cities.

  Find the moment equations and then the deflection

a simple beam with a pin support at A on the left side of my beam, and a roller connection 20 feet away on the far right side of the beam labeled C, with the midspan point (10 feet) labeled B.

  Determine the tensile stress developed in member ab due

Air at 90 psia and 70 degrees F flows through a 4.5 inch diameter welded steel pipe (e = 0.00015) at 60 lb/min. Find the friction head loss and pressure drop in 200 ft of this pipe. Assume the air to be of constant density.

  Compute the sample mean variance and standard deviation and

For the grouped data acting as of each of the data point in an interval was actually located at the midppoint of that interval, compute the sample mean,variance and standard deviation and compare with the results above.

  Determine what is the thermal stress generated in the rod

The ¼" thick 6061?T6 aluminum bar is subjected to a tensile force of P = 5 kips. b = 4"; c = 1.5"; d = 2.5"; and the fillet radii are 1". a) Determine the maximum stress in the bar. b) What is the lateral strain in the 1.5" wide section

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd