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RapidDrawdownEffective

Rapid drawdown and slope stability

Model filename: Slopes_Group_3 > RapidDrawdownEffective.svm

Tags: Slopes_Group_3,SVSLOPE,SVFLUX,2D,Transient,Water Table,Slope Search,Rapid Drawdown,Earth Dam / Levees,Water resources management,Infrastructure,Slopes_1/2/3/SAFE

Attachments:

RDD01

Apply actual rapid drawdown using the Duncan (1990) three-stage approach.

Model filename: Slopes_Group_3 > RDD01.svm

Tags: Slopes_Group_3,SVSLOPE,2D,Steady-State,Water Table,Fully Specified,Earth Dam / Levees,Rapid Drawdown,Water resources management,Infrastructure,Slopes_1/2/3/SAFE,Benchmarking

Attachments:

RDD_PilarcitosDam_3D

This model presents the Duncan 3-stage rapid drawdown analysis (Duncan, Wright and Wong, 1990) which presents a homogeneous rolled earth fill embankment.

The analysis methods used for the study of this model are:
Bishop,
Janbu Simplified,
Corps#2,
Lowe-Karafiath,
Spencer,
M-P (Intercolumn Force Function - Half-sine), and
GLE (Intercolumn Force Function - Fredlund-Wilson).

The search method for the critical slip surface is "Fully Specified - Ellipsoid" which allows the specification of an elliptical slip surface. The fully specified method implies that the analyzed slip surface is fully defined. Fully Specified method allows the user to specify the center-point as well as the tangent plane and aspect ratio of the ellipsoid to define the ellipse.

Model filename: Slopes_3D > RDD_PilarcitosDam_3D.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Water Table,Slopes_3D,Earth structures

Attachments:

RDD_Pumped_Storage_Project_Dam

The Pumped Storage Project Dam has a densely compacted, silty clay core. The lower portion of the upstream slope is a zone of random materials with the equivalent of the same strength properties as the core. The upper portion of the upstream slope and all of the downstream slope is a free draining rock fill. For the rapid drawdown analysis the water level is lowered from 545 feet to 380 feet.

The Duncan 3-Stage Rapid Drawdown Analysis method is used in SVSlope to solve this model. The implementation of the method is based on the theory presented by Duncan, Wright, and Wong (1990).

Model filename: Slopes_Group_3 > RDD_Pumped_Storage_Project_Dam.svm

Tags: Slopes_Group_3,SVSLOPE,2D,Steady-State,Water Table,Grid and Point,Earth Dam / Levees,Rapid Drawdown,Water resources management,Infrastructure,Slopes_1/2/3/SAFE,Benchmarking

Attachments:

RDD_Pumped_Storage_Project_Dam_3D

The Pumped Storage Project Dam has a densely compacted, silty clay core. The lower portion of the upstream slope is a random zone with the same strength properties as the core. The upper portion of the upstream slope and all of the downstream slope is a free draining rockfill. The rapid drawdown analysis water level is from 545 feet to 380 feet (Duncan, Wright and Wong, 1990).

The analysis methods used for the study of this model are:
Bishop,
Corps#2,
Spencer,
M-P (Intercolumn Force Function - Constant),
GLE (Intercolumn Force Function - Constant), and
Sarma (Intercolumn Force Function - Half-sine).

The search method for the critical slip surface is " Grid and Tangent". The grid and tangent methodology is one of the most common methods of determining the critical circular slip surface. In this methodology, the trial slip surfaces are specified by a grid of centers and a set of lines to which the circular slip surface must be tangent.

Model filename: Slopes_3D > RDD_Pumped_Storage_Project_Dam_3D.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Water Table,Water resources management,Earth Dam / Levees,Earth structures,Slopes_3D

Attachments:

RDD_USACE

Duncan 3-Stage Rapid Drawdown Analysis. Published in Corps of Engineers (2003), engineering Manual. Hand calculation = 1.44 (Bishop).

Model filename: Slopes_Group_3 > RDD_USACE.svm

Tags: Slopes_Group_3,Benchmarking,Earth Dam / Levees,Water resources management,Rapid Drawdown,Fully Specified,Water Table,Steady-State,2D,SVSLOPE

Attachments:

RDD_USACE_3D

This model represent the Duncan 3-stage rapid drawdown analysis which was published in Corps of Engineers (2003).

The analysis methods used for the study of this model are:
Bishop,
Corps#1,
Corps#2,
Spencer,
M-P (Intercolumn Force Function - Half-sine),
GLE (Intercolumn Force Function - Half-sine),and
Sarma (Intercolumn Force Function - Half-sine).

The search method for the critical slip surface is "Fully Specified - Ellipsoid" which allows the specification of an elliptical slip surface. The fully specified method implies that the analyzed slip surface is fully defined. Fully Specified method allows the user to specify the center-point as well as the tangent plane and aspect ratio of the ellipsoid to define the ellipse.

Model filename: Slopes_3D > RDD_USACE_3D.svm

Tags: Slopes_3D,Water Table,Steady-State,3D,Slopes_3D,Earth structures,SVSLOPE,Benchmarking,Earth Dam / Levees,Water resources management

Attachments:

RDD_WalterBouldinDam

Duncan 3-Stage Rapid Drawdown Analysis. Duncan, Wright and Wong (1990). HWalter Bouldin Dam. Published FOS = 1.04 (after Duncan, Wright and Wong, 1990)

Model filename: Slopes_Group_3 > RDD_WalterBouldinDam.svm

Tags: Slopes_Group_3,SVSLOPE,2D,Steady-State,Water Table,Grid and Line,Earth Dam / Levees,Rapid Drawdown,Water resources management,Infrastructure,Slopes_1/2/3/SAFE,Benchmarking

Attachments:

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