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SWB Steel-Wood Bridge Software

Automated parametric program for design and evaluation of steel girder bridges with wood decks according to the CSA S6 code including chapter 14 for bridge evaluation.

Overview of the Steel-Wood Bridge software

The Steel-Wood Bridge (SWB) program is an automated engineering tool for analyzing one- and two-lane steel girder bridges with wood decks using both standard and parametric steel section shapes. It includes libraries of standard metric and imperial material properties, with options to create customized materials.

The software supports analysis with standard CL-625 and CL-625-ONT trucks for road classes A, B, and C, and also allows for custom truck configurations. Element dimensions, such as transverse beam spacing and timber sizes, default to common values but can be easily edited as needed, with customizable default settings.

The Steel-Wood Bridge (SWB) software is  robust tool developed by SAFI Structural Software. Established in 1986, SAFI is a technology-driven company designed to empower engineers to tackle complex structural challenges with ease. With a rich history of 38 years of continuous development, the SWB software stands as an example of innovation in the bridge industry.

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Discover Key features of SWB Steel-Wood Bridge Software

A structural tool for professional engineers.

SWB Key Features
Supported design codes

Canadian Highway Bridge Code - CSA S6

Program features

Versatile Bridge Analysis: Supports one- and two-lane bridges with standard or parametric steel section shapes.
Extensive Material Libraries: Includes standard metric and imperial material properties, with options to create custom materials.
Comprehensive Load Analysis: Uses standard CL-625 and CL-625-ONT truck models based on road classes A, B, and C, with the ability to define custom truck configurations.
Predefined Element Dimensions: Defaults to commonly used values, including transverse beam spacing and timber dimensions, which can be adjusted as needed.
Customizable Defaults: Modify default values to suit specific project requirements.

Design features

Optimized Design and Resistance Calculation: Optimizes bridge design or calculates the resistance of steel and wood elements with known dimensions.
Automated Design Process: Fully automated based on user-defined parameters for efficiency and accuracy.
Comprehensive Structural Analysis: Automatically determines element weight, skew angle effects, and the impact of lateral stiffener beams or diaphragms.
Minimal Input Required: For standard bridge designs, only the span length and number of lanes are needed to generate a complete design.

Steel-Wood Bridge (SWB) Evaluation and Analysis

Comprehensive Resistance Calculation: Determines the resistance of steel beams and wood components, including transverse shear and bearing capacity of transverse beams.
Deflection Analysis: Accounts for bridge girder and element deflection in the evaluation.
Code-Compliant Evaluation: Assesses existing steel-wood bridges per Chapter 14 of the CSA S6-19 code, incorporating MTQ-specific equations.
Detailed Data Requirements: Unlike bridge design, evaluating an existing bridge requires more detailed input to accurately define its geometry and dimensions.
Load Capacity Assessment: Computes resistance and live load capacity factors (F) for steel beams and wood elements.
Signage Recommendations: Displays recommended signage when necessary for compliance and safety.

Reports
Microsoft Word-Compatible Reports: Evaluation and design reports are generated in a format compatible with Microsoft Word.
Comprehensive Report Content: Includes all relevant design and evaluation results, intermediate calculations, limit states, and live load capacity factors.
Visual Representation: Provides a bridge sketch for better visualization of the design and evaluation.
Signage Recommendations: Displays recommended posting requirements, if applicable.

Specifications

-The Steel-Wood Bridges (SWB) program can analyze one and two lanes bridges using standard or parametric steel section shapes.

-Libraries of standard metric and imperial material properties are available. Customized materials can also be created.

-The program uses the standard CL-625 and CL-625-ONT trucks according to the road classes A, B and C. Customized trucks can also be created.

-All dimensions of the elements defaults to commonly used values. These dimensions, such as the spacing of transverse beams and dimensions of timbers can be edited whenever required.

-Default values can also be customized.

-The Steel-Wood Bridge (SWB) design capabilities are used to optimize a bridge or to calculate the resistance of the steel and wood elements of known dimensions.

-The entire design process is automated with respect to the user parameters.

-The weight of the elements, the effect of the skew angle, the lateral stiffener beams or diaphragms is determined automatically.

-In most cases where the bridge design follows the established standards, the only data required to design such bridges are the length of the span and the number of lanes.

-The program calculates the resistance of the steel beams and the resistance of the wood parts such as the transverse shear and bearing capacity of the transverse beams.

-The deflection of the bridge girders is also considered.

-The Steel-Wood Bridge (SWB) software performs the evaluation of an existing steel-wood bridge according to the chapter 14 of the CSA S6-19 code. The equations specific to the MTQ are also included in the program.

-Unlike for the design of a bridge, the evaluation of an existing bridge requires a larger number of data to fully describe the geometry and dimensions of the elements of the bridge.

-The program calculates the resistance and the live load capacity factors (F) of the steel beams and the resistance of the wood parts such as the transverse shear and bearing capacity of the transverse beams.

-When required, recommended signs are displayed.

-The deflection of the bridge element is also considered.

-The evaluation report and design report are printed in a Microsoft Word compatible file format.

-These reports include all relevant design and evaluation intermediate results, limit states and live load capacity factors as well as a sketch of the bridge and recommended posting if any.