El Loco

lide

2D limit equilibrium slope stability for soil and rock slopes

User's Guide

Part 1

© 1989 - 2003 Rocscience Inc.

Table of Contents

Introduction 1

Slope Stability Analysis 1
Groundwater Analysis 2
Probabilistic Analysis 2
SLIDE Documentation 3
Tutorials 3
Additional Tutorials 4
Reference 5
Verification 5
PDF Files 5

Quick Start Tutorial 7

Model 8Limits 8
Project Settings 9
Entering Boundaries 10
Slip Surfaces 12
Auto Grid 12
Slope Limits 14
Surface Options 17
Properties 18
Analysis Methods 19
Compute 20
Interpret 21
Global Minimum Slip Surfaces 22
Viewing Minimum Surfaces 24
Viewing All Surfaces 25
Filter Surfaces 26
Data Tips 27
Info Viewer 29
Drawing Tools 30
Editing Drawing Tools 32
Saving DrawingTools 33
Exporting Images 34
Export Image 34
Copy to Clipboard 34
Black and White Images (Grayscale) 34

Materials & Loading Tutorial 37

Model 38
Limits 38
Project Settings 39
Entering Boundaries 40
Add Material Boundaries 40
Add Water Table 42
Add Distributed Load 44
Note about Load Magnitude Units 45
Slip Surfaces 45
Properties 47
Assigning Properties 49Compute 50
Interpret 51
What is a Query? 53
Add Query 54
Graph Query 55
More Query Shortcuts 56
Customizing a Graph 57
Show Slices 58
Query Slice Data 59
Deleting Queries 62
Graph SF along Slope 62
Additional Exercises 64
Other Search Methods 64
Maximum Data Output Option 64
Non-Circular Surfaces Tutorial 67

Model 68
Surface Options 69
Block Search 70
MoreAbout Block Search Objects 73
Compute 74
Interpret 75
Graph Query 78
Model 80
Compute 81
Interpret 81
Optimize Surfaces 83
Random Surface Generation 84

Composite Surfaces Tutorial 87

Model 88
Surface Options 89
What is a Composite Surface? 89
Editing Boundaries 91
Right Click Shortcuts 91
Compute 93
Interpret 94
Model 97
Compute 98
Interpret 99
Auto RefineSearch Method 100

Water Pressure Grid Tutorial 105

Model 106
Limits 106
Project Settings 107
Add External Boundary 108
Adding a Water Pressure Grid 108
Defining Ponded Water 112
Add Water Table 113
Slip Surfaces 115
Properties 116
Compute 118
Interpret 119
Add Query 123
Graph Pore Pressure 123
Acknowledgements 125
Additional Exercises 126
Ponded Water (variation1) 126
Ponded Water as a No Strength Material 127

Support Tutorial 129

Model 130
Limits 130
Project Settings 131
Add External Boundary 132
Slip Surfaces 132
Properties 134
Compute 135
Interpret 135
Model 137
Add Support Pattern 137
Support Properties 139
Compute 140
Interpret 141
Show Support Forces 148
Overview of Support Implementation in SLIDE 150Intersection with Slip Surface 150
Location of Applied Support Force 151
Orientation of Applied Support Force 151
Magnitude of Applied Support Force 152
Active vs. Passive Support 152
Back Analysis of Support Force 154
Groundwater Analysis Overview 155

Introduction 155
Groundwater Modeling 156
Project Settings 157
Groundwater Analysis Mode 158
Boundaries 158
Meshing 159Boundary Conditions 159
Hydraulic Properties 160
Groundwater Compute 161
Groundwater Interpret 162

Groundwater Tutorial 163

Model 164
Project Settings 164
Boundary Editing 166
Groundwater Analysis Mode 167
Meshing 168
Boundary Conditions 169
Automatic Creation of Ponded Water 172
Hydraulic Properties 173
Compute (groundwater) 174
Interpret (groundwater) 175
Water Table176
Flow Vectors 177
Flow Lines 178
Iso-Lines 180
Queries 181
Data Tips Query 183
Model 185
Compute 185
Interpret 186
Unsaturated Shear Strength 192
More Groundwater Examples 195

Groundwater Verification Examples 195

Probabilistic Analysis 197

Sensitivity Analysis 199
Introduction

SLIDE is a 2D slope stability program for evaluating the stability of circular...