Robert M. Ebeling
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View article: Load and resistance factors from reliability analysis Probability of Unsatisfactory Performance (PUP) of flood mitigation, batter pile-founded T-Walls given a target reliability index (𝛽)
Load and resistance factors from reliability analysis Probability of Unsatisfactory Performance (PUP) of flood mitigation, batter pile-founded T-Walls given a target reliability index (𝛽) Open
This technical report documents the research and development (R&D) study in support of the development of a combined Load and Resistance Factor Design (LRFD) methodology that accommodates both geotechnical and structural design limit state…
View article: Corroded Anchor Structure Stability/Reliability (CAS_Stab-R) software for hydraulic structures
Corroded Anchor Structure Stability/Reliability (CAS_Stab-R) software for hydraulic structures Open
This report describes software that provides a probabilistic estimate of time-to-failure for a corroding anchor strand system. These anchor systems are installed to preserve and extend the service life of U.S. Army Corps of Engineers hydra…
View article: Corrosion induced loss of capacity of post-tensioned seven wire strand cable used in multistrand anchor systems installed at Corps projects
Corrosion induced loss of capacity of post-tensioned seven wire strand cable used in multistrand anchor systems installed at Corps projects Open
Over the past five decades, the U.S. Army Corps of Engineers has been upgrading its projects by installing high-capacity, post-tensioned foundation anchors, typically with seven-wire strand cables. The purpose of these anchors has been to …
View article: An investigation of corrosion mitigation strategies for aging post-tensioned cables
An investigation of corrosion mitigation strategies for aging post-tensioned cables Open
Over the past fifty years, the U. S. Army Corps of Engineers has been upgrading its projects by installing high-capacity, post-tensioned foundation anchors. These anchors are typically made with seven-wire strand cables. The purpose of the…
View article: Characterizing Axial Stiffness of Individual Batter Piles with Emphasis on Elevated, Laterally Loaded, Clustered Pile Groups
Characterizing Axial Stiffness of Individual Batter Piles with Emphasis on Elevated, Laterally Loaded, Clustered Pile Groups Open
This report focuses on an investigation into the engineering characterization of the axial stiffness of individual compression piles embedded within soil. This characterization of axial stiffness is used in the analysis of a clustered pile…
View article: Development of a new nondestructive inspection strategy for corroded multistrand anchor cables
Development of a new nondestructive inspection strategy for corroded multistrand anchor cables Open
Purpose: This Coastal and Hydraulics Technical Note (CHETN) describes recent efforts undertaken to develop a nondestructive test (NDT) method to detect and locate broken in situ wires within seven-strand post-tension cables used in multist…
View article: Relating Corroded Seven-Strand, Posttensioned Cable Cross-Sectional Properties to Load Capacity
Relating Corroded Seven-Strand, Posttensioned Cable Cross-Sectional Properties to Load Capacity Open
Multistrand anchors have seen widespread use, providing strength and stability at hydraulic Corps facilities. However, these steel tendons are subject to strength reduction as an effect of corrosion. Methods for evaluating the corroded cab…