In RM Bridge inside OpenBridge Designer , the best practice for Diaphragms & Stiffeners is creating a separate Link segment for these elements. The Links can be accessed at the Main Girder menu, at the top right, as shown in the screenshot below. The…

The Recalc Window 2. Extended Settings: 2. Pre-stressing allows the users to set additional definitions for the calculations related to the stressing of tendons: Update CS Values: (-) duct areas : The area of the ducts is excluded in a new cross-section…

In the RM Bridge inside OpenBridge Designer, the Modeler portion of the application allows the users to create virtually any Cross-Section geometry. The definition of cross-sections is independent of axes and segments as they will get connected to segment…

RM Bridge allows for creating Cross-section details like longitudinal Stiffeners for steel plate elements. Placing stiffeners is done inside Modeler , at the Cross-section edit window and four different shapes are available: U: create U-shape stiffener…

For RM Bridge inside OpenBridge Designer users have the option to Read Cross Section From DGN at Modeler\Import CS that allows the DGN drawing files to be used to create just the references, as no intelligence or references or variables are yet possible…

The Recal Window 2. Extended Settings: 1. Special Settings allow the user to create additional definitions of: Use Shear Lag Defs for Stiffness reduct .: Shear Lag areas are ignored for bending moments of inertia reducing the CS values. Join Primary…

The Recalc Window Menu Options 2. Extended Settings allow users to set additional global calculation parameters for: Special Settings : Shear Lag and deformation, Composite Join Forces, Primary TempVar, FE results options; Prestressing : Cross-section…

In this Demo example a simple-supported beam with three different prestressing is considered for comparison: Variant 1 - PExt: External Tendons Only Variant 2 - DEFAULT: External and Internal Tendon Variant 3 - PInt: Internal Tendons Only …

RM Wizard has several limitations as its application is only for simple daily bridge model straightforward projects. Some of the restrictions for analyzing arbitrary bridges structures are: Slab width Number of spans Variable haunches Significant…

The RM Wizard workflow is intended to allow users for fast creation of the simplest possible model. All the possible input options are in a sequence of menus: General Page : Design codes, alignment type, and computational models Alignment Page …

RM Bridge inside OpenBridge Designer has several Wizard pre-processor options to create different models for typical bridge projects based on minimum user-defined input data. It can be accessed in two ways: Navigation Tree (at the top left window…

For RM Bridge inside OpenBridge Designer , the Stage Simulation option at the Analyzer portion allows users to visualize the different construction sequence stage analysis variants definitions for each alternative for the same structure. for each Stage…

For RM Bridge inside OpenBridge Designer, at Analyzer Analyzer /Schedule/Stages/Schedule Actions/ Static Calculation the users will find the available standard static structural analysis: Calc : Calculate static load Stress : Activate and calculate…

For RM Bridge inside OpenBridge Designer at Analyzer Analyzer /Schedule/Stages/Schedule Actions: user will find the Action to activate the cable in the right construction schedule, this will calculate internal primary forces of tendons by stepwise applying…

For RM Bridge, inside OpenBridge Designer, at Analyzer Analyzer/Schedule /Load Definition/Tendon Load the users will find the internal PT cable loading actions to be defined within a group of prestressing tendons defined by the selected Stress Label …

To create prestressing tendons in RM Bridge inside OpenBridge Designer users have two workflow options: Usual : to create the input by the Graphical User Interface, in OpenBridge Modeler or RM Bridge Modeler and RM Bridge Analyzer GUI, or; Fast…

The Tendon load definitions are a series of prestressing cable stressing actions at their ends. For each side, the PT cables (Tendons) can be: PRE: prestressed, stressing; REL : releasing ; SWED/DEVL: length of wedge or development slip: These…

The RM Bridge Analyzer: Properties: Cross Sections: FE Mesh Move and Rotate the Nodes is a button with an option to modify current cross-section properties to achieve specific purposes. It is important to note that this function is principally related…

Currently, there is only one link between OpenBridge Modeler and the Standalone applications, with a single .DGN file for OBM and one directory for the apps. It allows any modification to be synchronized between them with a single source of information…

For RM Bridge inside OpenBridge Designer , the Schedule Variants options for the Analyzer portion allows users to create different analysis variants definitions for the same structure. One project might require additional structural analyses but could…

As seen in the screenshots below, the Network Arch Bridge has the characteristics of numerous inclined hangers and usually a much more slender and a little lower arch due to its efficiency in load distributions. Multiple possible solutions exist to model…

For RM Bridge inside OpenBridge Designer , as shown in the pictures below, the Friction Pendulum System - FPS - is a support device that provides the structure with some level of Seismic Isolation , it is also known as High Load Multi-Rotational - HLMR…

The RM Bridge Analyzer: Properties: Cross Sections: FE Mesh menu options displays elements and nodes of the Finite Element mesh of the cross-section. Each cross-section is subdivided into 9-noded Finite Elements. The mesh is used for calculating the cross…

Stress Ribbon Bridge The stress-ribbon bridge is the modern analogy to the rope bridge; tough, it's considered very desirably due to its quite attractive aesthetic. it's usually applied to pedestrian bridges, where the vertical forces are less demanding…

RM Bridge inside OpenBridge Designer can calculate or define the Aerodynamic Admittance functions for the fluctuating wind buffeting forces for different mean wind incident angles of attack, as shown in the image below. The frequency-dependent aerodynamic…