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0205B-2: Investigation of Geophysical Methods for Assessing Seepage and Internal Erosion in Embankment Dams: Laboratory Testing of the Streaming Potential Phenomenon in Soils

T992700-0205B-2. Laboratory Testing of the Streaming Potential Phenomenon in SoilsThis volume marks one of a series of reports on the subject of geophysical methods and their usein assessing seepage and internal erosion in embankment dams. These reports are available both separately and as a package.This report presents the results of a laboratory investigation of the streaming potentialphenomenon in soils to develop the level of understanding and to improve the methods currently used to in

Dec 1, 1999 - May 1, 2005

DSIG

Research

0250: Enhanced Surveillance and Monitoring Techniques for Concrete Dams: Performance-Based Testing and Analysis of Mossyrock Dam – Identifying Behavioral Characteristics and Performance Indicators

This two-part report provides details on the use of flow-induced monitoring (FIM) and Performance-based Testing (PBT) techniques using behavioural characteristics of Mossyrock Dam as a case study/example. Report one is specific to the work, investigations, and analyses carried out at Mossyrock Dam; the second report uses the findings from Mossyrock as a guide to help dam owners improve their ability to monitor, track, and detect existing and changing conditions in their dams.Descriptions of the

Oct 7, 2021 - Jan 24, 2024

DSIG

Research

0260: Functional Block Diagrams for Understanding Dam Systems

Dams can be thought of as systems that can range from simple to complex. Ensuring the safety of a dam requires an understanding of how the various components of the dam are designed to function and what conditions or events might cause the system to not perform as intended. Functional block diagrams have the potential to help a dam owner better understand their dam system(s) and to identify conditions or situations that might cause the dam to not perform in accordance with the design intent.Some

DS

Research

0233: Development of Standardized Inundation Maps Produced using Geographic Information Systems (GIS)

CEATI’s Dam Safety Interest Group (DSIG) outlined a variety of needs in the field of Emergency Management. One area of particular interest was the technological advances in developing inundation maps for dam breach and other extreme hydrologic events. The presentation and application of the GIS based inundation maps vary considerably, and the purpose of this study is to develop a standardized practice for the dam owners. This will benefit the downstream response age

Dec 4, 2012 - Feb 21, 2014

DSIG

Research

03114: Gates Refurbish vs. Replacement

DS

HPE

Research

0237: Dam Safety Essentials for Engineers

The Dam Safety Essentials Guidance and Training for Engineers project (Project) provides dam Owners with a framework and materials for delivery of dam safety training to engineering and technical personnel. The Project builds on but is independent of the Dam Safety Inspection Procedures, Guidance and Training for Plant Operators training materials (CEATI Project No. T112700-0227), which provide a broad introduction to dams, failure modes, and dam surveillance and monitoring. The Project was conc

Feb 8, 2016 - Jul 27, 2019

DSIG

Research

0223: Modeling Evaluation of CSEM Techniques including MMR Technology for Seepage Delineation in Earth Embankment Dams

DSIG

Research

0209: Debris in Reservoirs and Rivers - Dam Safety Aspects

This report discusses the effects of debris in rivers and reservoirs on dam safety. The report is intended to briefly summarize existing knowledge in the field and to provide a basis for continuing efforts to overcome knowledge gaps. The report covers the following aspects: Importance of debris in the hydrological safety of dams;Debris yield;Methods for reducing debris yield;Methods for intercepting debris in rivers and reservoirs;Methods to reduce the risk of blockage to spillways; andA brief

DSIG

Research

0245: CPF: Failure Modes Workshop

There has been increased interest in Potential Failure Mode Analyses following the methods’ failure to inform owners and regulators in ways that would have resulted in a successful intervention prior to the February 2017 Oroville dam safety incident. The purpose of this full-day workshop was to review this, and other case studies, review and discuss the strengths and weaknesses of the PFMA method in view of the findings of the Oroville incident Independent Forensic Team (IFT), and to prese

DSIG

Research

0228: Seismic Hazard and Risk Workshop for Dams

This report presents a summary and conclusions of a workshop that focused on issues related to seismic hazard and risk for hydropower projects. The workshop brought together participants from a number of Dam Safety Interest Group members, their consultants, experts in seismic hazard analysis, geotechnical engineering, and risk analysis. The workshop covered a wide range of topics: seismic hazard analysis, site characterization, seismic performance assessment, dam safety seismic modificati

Mar 20, 2012 - Dec 1, 2012

DSIG

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