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RISRapid Drawdown Analysis of Levees
Publisher: American Society of Civil Engineers
Abstract: Rapid drawdown (RDD) is an important stability design condition for the waterside slopes of levees. A framework for levee RDD analysis that evaluates both seepage and undrained shear strength (su) has been assessed in this ...
Discussion of “Probability and Risk of Slope Failure” by F. Silva, T. W. Lambe, and W. A. Marr
Publisher: American Society of Civil Engineers
Improved Undrained Strength Interpolation Scheme for Rapid Drawdown
Publisher: American Society of Civil Engineers
Abstract: Linear interpolation between isotropically consolidated undrained strength envelopes and fully drained (effective stress) strength envelopes is commonly used to calculate undrained strengths for slope stability analyses ...
Improved Undrained Strength Interpolation Scheme for Rapid Drawdown
Publisher: American Society of Civil Engineers
Abstract: Linear interpolation between isotropically consolidated undrained strength envelopes and fully drained (effective stress) strength envelopes is commonly used to calculate undrained strengths for slope stability analyses ...
Mobilized Bearing Capacity Analysis of Global Stability for Walls Supported by Aggregate Piers
Publisher: ASCE
Abstract: Global stability analysis is a key component of mechanically stabilized earth (MSE) wall design, especially those constructed over marginal soils. When limit equilibrium analysis is used for MSE wall design, incorrect ...
Long-Period Transition for Subduction Earthquake Spectra
Publisher: ASCE
Abstract: The long-period transition period (TL) is an important parameter in both seismological theory and seismic design. Current estimates of the parameter used for design are based on seismological model data from 2006, and ...
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 ...
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 ...
Case History: Failure of the Reinforced Soil Slope at Yeager Airport, Charleston, West Virginia
Publisher: ASCE
Abstract: The 73-m-tall (240-ft) reinforced soil slope (RSS) that supported Runway 5 at Yeager Airport in Charleston, West Virginia failed catastrophically on March 12, 2015 after a service period of about 8 years. In the context ...