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Stage 1 Stage 1:  Construction of Concrete Box Girder  Temporary supports are provided as shown  Concrete Box Girder will be modeled as a grillage model  Self Weight of the Girder and Piers will be activated  Tendon group is not used to activate or deactivate a tendon, it is just used to see the results of a certain number of tendons together. Groups are important because:  Only the structure groups, load groups or boundary groups can be activated or deactivated in the construction stages, element number or load case name cannot be used to deactivate. Introduction – Construction Stage DefinitionĬonstruction Stage Analysis – Modeling Features Introduction Flow Chart of Construction Stage Analysis: Modeling of Structure Defining Structure Groups Defining Loads under Load Group Defining Boundary under Boundary Groups Generation of Construction Stages Defining Construction Stage Data Construction Stage Analysis Controlġ.

 Construction Sequence may lead to critical force effects which may lead to shear or flexural failure  Long Unsupported cantilever sections may induce forces which may be substantially different from those in completed structure:  Time Dependent material properties also play a major role in segmental bridge construction Negative Momentsįinal Bridge Profile – Continuous Structure – Lesser Negative Moments at Mid Supportsġ.

Introduction Need of Construction Stage Analysis: Midas Civil Advanced Webinar  Date: February 23rd, 2012  Topic: Construction Stage AnalysisĬonstruction Stage Analysis Control Resultsġ.