Technical Specifications

Wall Types

• MSE / reinforced walls
• Segmental walls
• Gravity walls
• Cantilever walls
• Abutment walls
• Gabion walls

Wall Unit Types

• Blocks (including prefab)
• Wrap-around walls
• Gabion baskets

Wall Configuration

• Single section wall
• Multi-section wall
• Wall generation wizard
• Uniformly blocked wall
• Non-uniformly blocked wall
• Batter angle
• Overall tilt angle (for gabions)

Failure Modes

• Base sliding (external)
• Overturning (external)
• Bearing capacity (external)
• Internal sliding
• Crest toppling
• Reinforcement tensile capacity
• Reinforcement pullout
• Reinforcement connection capacity
• Export to Slide2 (for overall and compound stability)‡

‡ requires installation of Slide2

Design Standards

• AASHTO (2020)
• BS8006-1:2010+A1:2016
• AS 4678
• Eurocode 7
• NCMA (version 3)

Active Pressure Methods†

• Coulomb
• Generalized Wedge Method
• Rankine (simplified)
• Rankine (generalized)
• Rankine-Bell
• Kerisel & Absi (EN1997 Annex C1)
• Brinch Hansen (EN1997 Annex C2)

† as permitted by selected design standard

Passive Pressure Methods†

• Caquot & Kerisel (1949)
• Kerisel & Absi (1990)
• Brinch Hansen (EN1997 Annex C2)
• Use at-rest pressure

† as permitted by selected design standard

Tensile Force Methods†

• Simplified method
• Coherent gravity method
• Tieback wedge method
• Stiffness method

† as permitted by selected design standard

Topography settings

• Flat terrain
• Infinitely sloped terrain
• Broken-back
• User-defined

Seismic analysis

• kh, kv (as permitted by design standard)
• Effect of confined/unconfined water
• A and d (for NCMA)

Soil properties

• Friction angle
• Soil-structure friction angle
• Permanent cohesion (as permitted by design standard)
• Adhesion ratio (as permitted by design standard)

Reinforcement types

• Geogrid
• Geosynthetic
• Geotextile
• Metallic grid
• Metallic strip

Reinforcement properties

• Coverage ratio
• Static design tensile strength
• Creep reduction factor
• Secant stiffness
• Sliding friction angle
• Friction factor
• Coefficient of friction
• Coefficient of direct sliding
• Linear/bilinear/constant connection strength

Reinforcement layout

• Simple
• Advanced (user defined)

Loads†

• Line load
• Point load
• Uniformly distributed load
• Load above wall (for abutments only)
• Load on backslope
• Underground load
• Horizontal and vertical loads
• Load classifications (e.g. live/dead)

† as permitted by design standard

Groundwater

• Effect on base strength
• Differential water table
• Toggle for infiltration of reinforced zone
• Unit weight

Results

• Detailed equation report with hand calculations
• Interactive viewport
• Switch between failure modes and limit states
• Failure mode checks per layer
• Analysis warnings and issues
• Report generator
• Show failure plane
• Show active wedge
• Export to Slide2

Miscellaneous features

• Export to DXF
• Export results to CSV
• Metric (kPa, MPa, tonnes) or Imperial (psf, ksf, tons) units
• Define leveling pad
• Define base strength