ASDSO Dam Safety Toolbox

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Revision as of 05:35, 18 November 2022


Failed Concrete Cylinder

As a result of the large costs associated with constructing and maintaining a dam, dams often have long design lives upwards of 100 years (the average age of dams in the United States is 60 years old).[1] Additionally, many components of a dam are completely inundated for a large portion of their design lives and are often difficult or even impossible to inspect and/or replace while the dam is in operation. As a result, the materials used to construct the dam must be able to maintain their strength and resist degradation through weathering and corrosion. Additionally, the high risks associated with a failure of many high- hazard potential dams result in the need for thorough testing, analysis, and quality control of both production and installation of the proposed materials, which are all essential to the safety and longevity of the dam as a whole structure. Materials used in the construction of dams include "earth, rock, tailings from mining or milling, concrete, masonry, steel, timber, miscellaneous materials (such as plastic or rubber) and any combination of these materials."[2]

Best Practices Resources

Design and Construction Considerations for Hydraulic Structures: Roller-Compacted Concrete, USBR, 2017

Lubricants and Hydraulic Fluids (EM 1110-2-1424), USACE, 2016

A Procedure for Predicting the Deterioration of Steel Hydraulic Structures to Enhance their Maintenance, Management, and Rehabilitation (ERDC/ITL TR-14-1), USACE, 2014

Design of Hydraulic Steel Structures (ETL 1110-2-584), USACE, 2014

Expedient Evaluation of Alkali-Silica Reaction Susceptibility of Aggregates (ERDC/GSL TR-14-26), USACE, 2014

Concrete Manual: Part 2, USBR, 1992

Concrete Manual: Part 1, USBR, 1988

Trainings

On-Demand Webinar: Dam Construction Quality Control: Dos, Dont's and Lessons Learned

On-Demand Webinar: Quality Assurance and Field Inspection for Dam Construction Projects

On-Demand Webinar: Pitfalls in Quality Control Processes for Compacted Earth Fill

On-Demand Webinar: Structural Condition Assessment of Dam Facilities with Non-Destructive Evaluation Methods


Citations:

  1. National Inventory of Dams (USACE), 2022
  2. ASDSO, 2022


Revision ID: 4476
Revision Date: 11/18/2022