A sluice across a channel 6 m wide discharges a stream 1.2 m deep. What will be the tlow if the upstream depth is 6 m? The conditions downstream cause an hydraulic jump to occur at a place where concrete blocks have been placed in the bed. What will be the force on the blocks if the downstream depth is 3.06 m? [71 3 m I 196 kNI
A sluice across a channel 6 m wide discharges a stream 1.2 m deep. What will be the tlow if the upstream depth is 6 m? The conditions downstream cause an hydraulic jump to occur at a place where concrete blocks have been placed in the bed. What will be the force on the blocks if the downstream depth is 3.06 m? [71 3 m I 196 kNI
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
*continuity eqn + Bernoulli’s Eqn.
*check that flow after the sluice is supercritical
*if supercritical, find conjugate depth of hydraulic jump
*find velocities at different locations
*force on the blocks = difference in hydrostatic pressure forces + difference in dynamic impact forces
Transcribed Image Text:A sluice across a channel 6 m wide discharges a stream 1.2 m deep. What will be the tlow
if the upstream depth is 6 m?
The conditions downstream cause an hydraulic jump to occur at a place where concrete
blocks have been placed in the bed. What will be the force on the blocks if the downstream
depth is 3.06 m?
[71 3 m
I 196 kNI
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