Title:
Diagnosis of the Cause of the Progressive Concrete Deformations at Saunders Dam
Author(s):
Ari Danay; Louis Adeghe; and Aly Hindy
Publication:
Concrete International
Volume:
15
Issue:
9
Appears on pages(s):
25-33
Keywords:
alkali-aggregate reactions; concrete dams; field tests; renovating; repairs; Materials Research
DOI:
Date:
9/1/1993
Abstract:
Presents some of the results of an extensive analytical and experimental investigation, carried out from Sept. 1990 to July 1991, that proved beyond any reasonable doubt that the root cause of operational and structural problems experienced over the last 20 years at R. H. Saunders Hydraulic Generating Station is concrete swelling due to alkali-silica reactivity. In 1981 alkali-aggregate reactivity had been ruled out as a root cause of the problem, based on the results of a series of laboratory expansion tests on concrete prisms manufactured with the original Saunders aggregate.