Welcome to LEAP Substructure Online Help
Introduction to Substructure
General Operation
Project Tab
Geometry Tab
Pier Configuration Button/Abutment Configuration Screen
Superstr. Button
Cap Button
Straight Cap Parameters Screen
Hammer Head Cap Parameters Screen
Tapered Cap Parameters Screen
Variable Cap Parameters Screen
Integral Cap Parameters Screen
Stepped Cap Parameters Screen
Column Button
Round Column Screen
Rectangular Non-Tapered Column Screen
Rectangular Chamfered Column Screen
Rectangular Filleted Column Screen
Rectangular Column Tapered in X-Dir Screen
Rectangular Column Tapered in Z-Dir Screen
Rectangular Column Tapered in X, Z-Dir Screen
Hexagonal Column Screen
Octagonal Column Screen
Drilled Shaft Screen
Strut Button
Wall Button (for Wall Pier)
Footing/Pile Button
Isolated Spread Footing Screen
Footing: Isolated Pile/Shaft Cap Design Screen
Combined Spread Footing Design Screen
Combined Pile Footing Design Screen
Footing: Strap Footing Screen
Edit: Pile Locations Screen
Bearing/Girders Button/Bearing/Girders Screen
Material Button / Materials Screen
Str. Model Button/Structural Model Screen
Hammer STM Button / Strut-and-Tie Model Edit Screen
Loads Tab
Loads: Load Data Screen
Auto Load Generation
Footing Loads
Auto Load Generation: Structure DL Screen
Auto Load Generation: Live Load Screen
Auto Load Generation: Longitudinal/Braking Screen
Auto Load Generation: Centrifugal Force Screen
Auto Load Generation: Temperature Load Screen
Auto Load Generation: Wind on Structure Screen
Auto Load Generation: Wind Load on Live Load Screen
Auto Load Generation EQ Screen
Analysis Tab
Filter Feature
Analysis/Design Parameters (CHBDC) Screen
Load Dependency Table Screen
Cap Tab
Column Tab
Column Copy From Screen
Design Column Screen
Wall Tab
Footing Tab
Overturning Check Screen
Pile Tab
Program Menu Commands
File Menu
Show Menu
Model
Results
Diagram
Preferences
Libraries Menu
Vehicular Loads
User-Defined Live Load Screen
Load Groups/ Limit States
Load Group Edit Screen
Footing Configuration
Pile Pattern Configuration
Pile Section Types
Theory
Pier Types
Pier Components
Column Spring Supports
Sign Conventions
Geometry
Bridge Span Information
Pier View Direction
Global and Local Coordinates
Column Shapes
Column Variation
Load Groups
Load Combinations
Envelope Generation
Analysis
Loads
Manual Input Loads
Auto Dead Load Generation
Wind Load on Live Load
Earthquake Load (Seismic)
Vessel Collision
Live Load Generation for Skewed Bridges
Impact Factor for Live Load
Auto Longitudinal/Braking Load Generation
Auto Centrifugal Load Generation
Auto Wind Load Generation on Live Load
Auto Temperature Load Generation
Results of Last Auto Generated Live Load
Auto Live Load Generation
Constant Spacing Method
Variable Spacing Method
Truck Loads
Lane Loads
Permit Vehicle Side by Side
Design
Cap Design
Resistance Factors/Strength Reduction Factors
Cap Flexure Design
Shear and Torsion
Cap Shear and Torsion Design (CHBDC)
Cracking Check (Distribution of Flexural Reinforcement Check)
Fatigue Check
Column Design
Moment Magnification Method
P-Delta Analysis Method
Column Rebar Patterns
Column Capacity Calculation
Footing Design
Overturning Check
Isolated Footing Design
Strap Footing Design
Combined Footing Design
Plastic Hinging and Seismic Design
Plastic Hinge Moments in Column
Column Full Section and Core Area
Seismic Demand for Cap
Seismic Demand for Footing
Appendix
Abutment Design
Abutment Configuration
Superstructure Parameter
Footing/Pile
Earth Pressure Load
Abutment Design Considerations
Response Spectrum Analysis
Response Spectrum Analysis
Stepped Cap
Transition Pier
State Specification
Texas
Mississippi
Nomenclature and Printout Explanation
Pier Geometry
Structural Model
Superstructure Information
Bearing Points
Material Properties
Design Parameters
Loads
Cap Design
Cap Design by STM
Column Design
Footing Design