Estimating Flow through Riprap
Publication: Journal of Hydraulic Engineering
Volume 117, Issue 5
Abstract
Flume studies were conducted in which riprap-protected embankments were subjected to overtopping flows to determine the average interstitial velocity of the through-flow. Velocity measurements were made in riprap having median stone sizes ranging from 1.02 in. (2.6 cm) to 6.2 in. (15.8 cm) on embankment slopes of 1–20%. A tracer solution injection and recording system was developed to estimate the through-flow velocities. The average interstitial velocities for 19 flume tests were measured and reported. A predictive relationship was developed in which the average interstitial velocity was a function of the embankment slope and rock size . Flow measurements varied ±40% about the average velocity.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 117 • Issue 5 • May 1991
Pages: 670 - 675
Copyright
Copyright © 1991 ASCE.
History
Published online: May 1, 1991
Published in print: May 1991
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