Theis located away from the toe of the dam, so erosion caused by flowing water will not harm the structure during a floodevent.FaceB Emergency SpillwayDam FoundationD) Abutments

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Answered: The is located away from the toe of the…

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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A 5ft x 5ft with a 45?o beveled-edge entrance reinforced concrete box culvert is to be specified for a new roadway crossing to convey a 50-year peak discharge of 300 ??3???ft3sec. The site conditions include: Stream bed elevation at culvert entrance is 100 ft. Natural stream bed slope is 0.02. Tailwater depth is 4.0 ft. Approximate culvert length is 250 ft. Shoulder elevation is 113.5 ft. Allowable headwater elevation is 110ft. Inlet invert is at natural stream elevation (no fall at inlet). Determine: If the culvert is adequate to convey the discharge Produce a performance curve that shows culvert discharge as a function of headwater elevation
The head on the crest of a controlled overflow spillway is 2.1 m. Approach flow velocity is 2 m/s.Total bridge length over the spillway is 50 m There are 4 rounded nosed piers each 1 m wide.Abutments are rounded with head wall 90 to flow direction.Determine:a) The discharges over the spillway crest for the gate openings of 0.6 m, 0.8 m, 1.0 m, 1.2 m, and1.4 m.b) The gate opening to transmit Q=170 m3/s. (Hint: by linear interpolation)
A weir is used mostly to : a. measure the flow rate of open-flowing liquids b. determine the velocity of a viscous fluid c. determine the maximum velocity of a flow d. control the flow rate of an incompressible fluid
Flow occurs over a spillway of constant section where depth of flow in the upstream is 1021mm, and depth of flow in the downstream is 71 mm. Calculate the resultant horizontal force (in Newton) on the spillway if the width of the spillway is 102 meter. Assume there is no head loss
are hydraulic structures that provide passage of stream flow from one side of a roadway. Chamfer Create Culvert Carriage The force load on an arch dam is greater than essentially the same as less than on a gravity dam. double that
1) A trapezoidal channel with a bottom width of 1.50m and with side slope of 2H:1V has a slope of 1m in 3000 m.If the depth of flow is 2.40m, a)what is the average shearing stress at the boundary? b)If n=0.013 and using the best of all efficient trapezoidal section but adhering to the same discharge and slope of the original canal,what will be the total savings (in Pesos) in earth excavation with a unit cost of P500/cu.m and in lining with a unit cost of P926/sq.m for the entire 3km length of the canal?
I2
3.) Using a f (allowable) of 200 MPa determine the most economical channel (lightest) that can be used to construct the beam shown. The loading conditions that this beam is subjected is shown as well. 80 KN 3OKW/m CHANNELS WELDED TOGETHER 1.8m
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Ex. Design downstream wall height for a spillway with hydraulic jump. Assume V1=52.5fps, y1=1ft, width is 20ft, and Q=1050cfs.
A- A regulator with discharge = 22m 3 /sec , rounded entrance is used for piers and abutment , water level at flood time =92.8 , bed level=90.3m at u/s, D/s water level = 92.2m.Bed level under gate= 9lm. Decide the flow condition after the gate when it is opened partially (free or submerged), then find the value of partial opening. no of piers =2, each one has thickness lm.
A concrete gravity dam has maximum water level 205.0 m, bed level 126.0 m, top R.L. of dam 210.0m, downstream face slope starts at R.L. 200.0 m, downstream slope 2:3, tail water is nil, upstreamface of dam is vertical, centre line of drainage gallery is 8 m downstream of upstream face, upliftpressure is 100 per cent at heel, 50 per cent at line of gallery and zero at toe, weight of concrete is 2.5tons per cubic metre. Considering only weight, water pressure and uplift, calculate the maximumvertical stresses at the toe and heel of dam. Take coefficient of uplift pressure as 1.

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The is located away from the toe of the dam, so erosion caused by flowing water will not harm the structure during a flood event. Face B Emergency Spillway Dam Foundation Abutments