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From Good to Great: The Evolution of Cutoff Wall Quality Control and Verification Techniques

by Pablo Bassola, Senior project manager with TREVIICOS in Clewiston, FL., pbassola@treviicos.com,
Mohamed Elgouhary, (M.ASCE), Quality control manager with TREVIICOS in Johnson City, TN., melgouhary@treviicos.com,
Fabio Santillan, (M.ASCE), Vice president for major projects with TEREVIICOS in Boston, MA., fsantillan@treviicos.com,
Wes Schmutzler, Senior project manager with TREVIICOS in Washington, DC., wschmutzler@treviicos.com,


Serial Information: Geo-Strata —Geo Institute of ASCE, 2021, Vol. 25, Issue 3, Pg. 54-61


Document Type: Feature article

Abstract: The last three decades have brought tremendous improvements to quality control (QC) procedures for construction and post-construction verification of deep cutoff walls installed in active high-hazard dams. Developments have been made in every aspect of the construction processes, including drilling/excavation, cleaning of inter-element joints, preparation and placement of backfill materials, verification of the constructed product, and data collection, representation, and monitoring of dam instrumentation.

Subject Headings: Verification | Quality control | Materials processing | Infrastructure construction | Diaphragm walls | Dams | Construction materials

 

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