Water flows with a velocity of 3 m/sec and at a depth of 3 m in a rectangular channel. What is the change in water surface elevation and depth by a gradual upward change in bottom elevation of 30 cm. What will be depth and elevation changes if there were gradual downward change of 30 cm. What is the maximum size of upstep that could exist before upstream depth changes could result ?

Water flows with a velocity of 3 m/sec and at a depth of 3 m in a rectangular channel. What is the change in water surface elevation and depth by a gradual upward change in bottom elevation of 30 cm. What will be depth and elevation changes if there were gradual downward change of 30 cm. What is the maximum size of upstep that could exist before upstream depth changes could result ?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Stresses In A Soil Mass

Section: Chapter Questions

Problem 8.14P

See similar textbooks

Similar questions

A trapezoidal channel with a bottom width of Bo = 4 m and a sidewall slope of m = 2 carries a discharge of 8 m3/s. what is the critical depth of the channel? ( Show calculation and sketch) a) 0.84 m b) 0.72 m c) 0.96 m d) 0.66 m
If the water depth immediately upstream or downstream of the hydraulic jump in a rectangular channel is 2m and the flow velocity is 1m/s, what is the conjugate depth in meters?
Water flows in a rectangular open channel with a depth of y = 0.45 m and velocity of V = 1.45 m/s. What is the water level after a gradual step rise? Can you please explain it with steps and proof? a) The water level will rise b) The water level will drop.
A 3 m wide rectangular channel conveys 12 m3 /s of water at a depth of 2 m. Calculate the Froude number.
discuss the hydraulic gradient and its typical flow net representing seepage through a soil beneath a dam and seepage patterns through an earth dam.
Water flows in a trapezoidal channel whose bottom width is 2.50 m . One side of the channel is vertical and the other is inclined 45°. The slope of the channel is 0.002 and n = 0.01. what is the value of hydraulic radius ?
A trapezoidal channel with side slope of 1:1 has a bottom width of 2 m. At a critical depth is 2.24 m, what is the velocity of now?
Water flows through an almost level channel 3 m wide at a rate of 12 m³/s. The depth gradually increases from 1 to 1.10 m over a length of flow of 5 m. Which of the following most nearly gives the roughness coefficient?
1. Calculate the Froude angle for a flow of depth 0.102 m moving at 2 m/s. 2. Determine the minimum depth in a 3 m wide rectangular channel if the flow is to be subcritical with a flowrate of 30 m3/s. 3. Estimate the speed of a tsunami as it travels across the Pacific Ocean, given that the average depth of the water is about 2000 m. State your assumptions.
A trough has an open-top 0.30 m by 6 m and closed vertical ends which are equilateral triangles 30 cm on each side. It is filled with water to half its depth. Find the volume of the water in cubic meters.
2. A rectangular channel carrying water with a velocity of 5 m/s has a uniform depth of 1m. A) At what stage is the flow taking place? B) If a jump is possible, what is the depth after the jump?
Water flows with a velocity of 3 m/s at a depth of 1.5 m in a trapezoidal channel with a 2-m base and sides sloping at 45o . It empties into a circular pipe and flows at 2 m/s. What is the diameter if the pipe flows full?