Erosive Wear of Hydraulic Concrete with Low Steel Fiber Content
Publication: Journal of Hydraulic Engineering
Volume 132, Issue 12
Abstract
The paper reports on the erosion resistance of two types of hydraulic concrete, a plain concrete and a concrete reinforced with a low volume of steel fibers. Flow velocities ranged up to for water flow and up to for particle-water flow. Flow angles were and , respectively. A general relationship could be found between erosion rate, , and process parameters: , with being the flow velocity, and being the flow angle. The velocity exponent varied between 2.1 and 2.3 for water flow and between 2 and 2.9 for particle-water flow. In general, erosion rate decreased if the concrete was reinforced. However, the influence of the fiber reinforcement was more pronounced for the shallow flow angle. This is explained by the formation of a “shadow zone” behind the fibers in the case of shallow flow angle.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 132 • Issue 12 • December 2006
Pages: 1331 - 1340
Copyright
© 2006 ASCE.
History
Received: Jun 21, 2005
Accepted: Mar 28, 2006
Published online: Dec 1, 2006
Published in print: Dec 2006
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