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Flume experiments on the erosion of till shores by waves
AbstractHydraulic tests of the erosion by waves of a laboratory flume profile made from intact samples of till, a preconsolidated cohesive material, are described. Over 1000 h of testing were successfully completed using random breaking waves, varying conditions of sand cover, and varying mean water levels. Vertical erosion of the cohesive profile was measured with an optical bedplotter device. The sand layer covering cohesive shores can vary spatially and temporally, so erosion rates have been investigated under four different conditions of sand supply and the results are summarized here. In addition, two sets of tests were replicated in order to demonstrate their repeatability. Erosion rates compare favourably with results from unidirectional flow tests with a similar till material. During the tests, the unconfined compressive strength of the till surface was measured in a simple manner at selected locations.
Flume experiments on the erosion of till shores by waves
AbstractHydraulic tests of the erosion by waves of a laboratory flume profile made from intact samples of till, a preconsolidated cohesive material, are described. Over 1000 h of testing were successfully completed using random breaking waves, varying conditions of sand cover, and varying mean water levels. Vertical erosion of the cohesive profile was measured with an optical bedplotter device. The sand layer covering cohesive shores can vary spatially and temporally, so erosion rates have been investigated under four different conditions of sand supply and the results are summarized here. In addition, two sets of tests were replicated in order to demonstrate their repeatability. Erosion rates compare favourably with results from unidirectional flow tests with a similar till material. During the tests, the unconfined compressive strength of the till surface was measured in a simple manner at selected locations.
Flume experiments on the erosion of till shores by waves
Skafel, Michael G. (author) / Bishop, Craig T. (author)
Coastal Engineering ; 23 ; 329-348
1994-03-15
20 pages
Article (Journal)
Electronic Resource
English
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