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Concrete Abrasion Study, Bonneville Spillway Dam, Bonneville, Oregon.
ARMY ENGINEER DIV NORTH PACIFIC BONNEVILLE OREG DIV OF HYDRAULIC LAB
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The Concrete Abrasion Study was initiated by the Office of Chief of Engineers, U.S. Army, in an effort to ascertain the cause of the erosion observed on the baffle piers and deck of Bonneville Spillway Dam on the Columbia River at Bonneville, Oregon. The purpose of the study was to determine if the erosion of the baffle piers and deck could be attributed to the scouring effect of the silt carried by the Columbia River, and to determine the relative resistance to abrasion of various concrete mixes that could be used to repair the eroded baffle piers and deck. The specific purposes of the individual tests are given in the text and in the table of Summary of Tests.
APPROVED FOR PUBLIC RELEASE