Date
02 Jun 1988, 10:30 am - 3:00 pm
Abstract
Excessive seepage losses at Westwood Lake Darn in east-central Indiana were apparent in 1974 during first filling of the lake when seepage areas developed downstream of the dam and abutments. Several remedial studies were performed which included additional test borings, field and laboratory tests, installation of observation wells, and a review of the site geology and hydrology. Data and observations from these studies were used to develop semi-quantitative assessments of seepage loss rates as related to lake levels. These analyses served as a basis for design of a major repair which consisted of blanketing a significant portion of the lake bottom with on-site, low-plasticity clays and clayey silts. The blanketing was completed in 1984 and postrepair filling required about two years. Subsequent monitoring and observations indicate that the lake level is holding at or within 1.5 ft of the original design normal pool.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
2nd Conference of the International Conference on Case Histories in Geotechnical Engineering
Publisher
University of Missouri--Rolla
Document Version
Final Version
Rights
© 1988 University of Missouri--Rolla, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Bailey, B.; Bloom, E.; West, T. R.; and Mundell, J. A., "Excessive Seepage Losses at Westwood Lake Dam" (1988). International Conference on Case Histories in Geotechnical Engineering. 19.
https://scholarsmine.mst.edu/icchge/2icchge/2icchge-session3/19
Excessive Seepage Losses at Westwood Lake Dam
Excessive seepage losses at Westwood Lake Darn in east-central Indiana were apparent in 1974 during first filling of the lake when seepage areas developed downstream of the dam and abutments. Several remedial studies were performed which included additional test borings, field and laboratory tests, installation of observation wells, and a review of the site geology and hydrology. Data and observations from these studies were used to develop semi-quantitative assessments of seepage loss rates as related to lake levels. These analyses served as a basis for design of a major repair which consisted of blanketing a significant portion of the lake bottom with on-site, low-plasticity clays and clayey silts. The blanketing was completed in 1984 and postrepair filling required about two years. Subsequent monitoring and observations indicate that the lake level is holding at or within 1.5 ft of the original design normal pool.
