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Impact of Flood Loading and Initial Conditions on Transient Seepage Analyses
Publisher: American Society of Civil Engineers
Abstract: Levee seepage analysis for design often uses steady-state analyses, which produce conservative results. Transient seepage analyses are appealing because they can account for time-dependent flood loadings. Uncoupled transient ...
Limitations of Transient Seepage Analyses for Calculating Pore Pressures during External Water Level Changes
Publisher: American Society of Civil Engineers
Abstract: External water level variations, such as rapid drawdown or flood loading, change the internal pore pressures in an embankment as a result of changes in the boundary conditions. Three different effects result: (1) changes ...
Analysis of the Stability of I-Walls with Gaps between the I-Wall and the Levee Fill
Publisher: American Society of Civil Engineers
Abstract: Following Hurricane Katrina an extensive investigation of the performance of floodwalls in the New Orleans area was undertaken by the U. S. Army Corps of Engineers and others. This investigation included detailed study of ...
Closure to “Analysis of the Stability of I-Walls with Gaps between the I-Wall and the Levee Fill” by Thomas L. Brandon, Stephen G. Wright, and J. Michael Duncan
Publisher: American Society of Civil Engineers
Practical Application of Blanket Theory and the Finite-Element Method to Levee Underseepage Analysis
Publisher: American Society of Civil Engineers
Abstract: The U.S. Army Corps of Engineers’ blanket theory has been successfully used to evaluate levee underseepage for many years. The method was developed from closed-form analytical solutions based on the principles of groundwater ...
Undrained Strength of Compacted Clay under Principal Stress Reorientation
Publisher: American Society of Civil Engineers
Abstract: Consolidated-undrained tests on saturated compacted clays are used to provide strengths for design scenarios such as rapid drawdown, rapid flood, and earthquake loading of dams and levees. Geotechnical engineers have long ...
Hydrocompression Settlement of Deep Fills
Publisher: American Society of Civil Engineers
Abstract: TWO subdivisions in southern California constructed on compacted‐sandy‐clay fills up to 100 ft thick experienced settlement damage several years after construction. These fills were designed and constructed using the same ...
Comparison of Residual Shear Strengths from Back Analysis and Ring Shear Tests on Undisturbed and Remolded Specimens
Publisher: American Society of Civil Engineers
Abstract: Slope stabilization procedures for six landslides in the Niigata prefecture in Japan afforded an excellent opportunity to examine the residual drained shear strength of weathered mudstones. Installation of 3 m diameter ...
Drained and Undrained Strength Interpretation for Low-Plasticity Silts
Publisher: American Society of Civil Engineers
Abstract: The engineering behavior of low-plasticity silts is more difficult to characterize than is the behavior of clay or sand. Due to their tendency to dilate during shear, establishing a consistent and practically useful failure ...
Closure to “<i>Hydrocompression Settlement of Deep Fills</i>” by Thomas L. Brandon, J. Michael Duncan, and William S. Gardner (October, 1990, Vol. 116, No. 10)
Publisher: American Society of Civil Engineers