• ASCE 7, AISC 360, and the Direct Analysis Method in the RAM Structural System

    Note: This is an updated and expanded wiki based on the requirements of ASCE 7-16 and AISC 360-16. The wiki previously was based on older versions of those documents.

    Overview

    The RAM Structural System contains several powerful features to assist in the…

  • Distributing the wheel loads to the members of the deck

    Applies To
    Product(s): STAAD.Pro
    Version(s): ALL
    Environment: ALL
    Area: Modeling
    Subarea: Load Generation
    Original Author: Kris Sathia, Bentley Technical Support Group

    Question:

    How…

  • Limitations of the curved beams in STAAD.Pro ( TN )

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): 20.07.09.31
      Environment:  N/A
      Area:  Modeling
      Subarea:  Curved Beams
       

    The following are some of the limitations or features not supported with curved members

    • Tapered…
  • Magnifying or Scaling down a model

    Sometimes, we want to create a new model by magnifying the lateral and vertical dimensions of an existing model. For example, take a model which is 20m along X and increase it to 30 m while retaining the same proportions for the bays. Or, it could be…

  • Max Absolute stress in Plate Contour

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  Postprocessing Solutions
      Subarea:  N/A
      Original Author:

    Kris Sathia
    Bentley Technical Support Group

       

    Question:

    In the Plate Stress…

  • Multiple support conditions within same analysis model

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  STAAD.Pro Modeling Solutions
      Subarea:  Modeling
      Original Author: Sye Chakraborty
    Bentley Technical Support Group
       

    Can I change the…

  • P-Delta effect plus Time-History analysis or Response Spectrum analysis.

    Dear Seniors:

     When I want to make a Time-History analysis or a Response Spectrum analysis is necessary to make a P-Delta analysis to include the second-order effect due the deformation of the structure produced by horizontal forces. STAAD is capable to…

  • Procedure used by STAAD for MEMBER SELECTION

    Applies To
    Product(s): STAAD.Pro
    Version(s): ALL
    Environment: ALL
    Area: Steel Design
    Subarea: General
    Original Author: Kris Sathia, Bentley Technical Support Group

    The purpose of this…

  • RAM Frame - Dynamic Analysis FAQ

      Product(s): RAM Structural System (Ram Elements or STAAD.pro)
      Version(s): Any
      Area:  Analysis; Dynamic Analysis

    How does a dynamic analysis using response spectra for seismic loads differ from a static analysis using equivalent lateral…

  • Reference Loads An Introduction

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  Reference Loads An Introduction
      Subarea:  N/A
      Original Author: Bentley Technical Support Group
       


      

    This Client Server article is republished…

  • Seismic Analysis - Specifying seismic weights through Reference load cases

    Applies To
    Product(s): STAAD.Pro
    Version(s): ALL
    Environment: ALL
    Area: Load generation
    Subarea: N/A
    Original Author: Kris Sathia, Bentley Technical Support Group

    Description of the…

  • Specifying the selfweight of surface entities as a load item in a load case

    There are two ways to specify the selfweight of surface entities.

    1. Using the ALL option with the “SELFWEIGHT” command

    If the selfweight is being assigned to ALL the entities in the structure, meaning, all members, all plate elements, all…

  • STAAD PLANE - what are the assumptions

    Question:

    I have modeled a continuous beam. The support at the left end is PINNED. The bending moment diagram shows a moment at the support. See the figure.

    Please explain the reason for this.

    Answer:

    This generally occurs if you have

    • chosen PLANE as…
  • STAAD.Pro OpenSTAAD [FAQ]

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  OpenSTAAD
      Subarea: 

    FAQ's

      Original Author: Bentley Technical Support Group
       

    Notice: This content is currently under editorial…

  • STAAD.Pro Response Spectrum [FAQ]

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  Response Spectrum Analysis
      Subarea:  FAQ's
      Original Author: Bentley Technical Support Group
       
    1. Should I specify Response Spectrum…
  • STAAD.Pro TechNotes [TN]

       
      Applies To 
       
      Product(s): STAAD.Pro
      Version(s): All
      Environment:  N/A
      Area:  STAAD.Pro Tech Notes
      Subarea:  N/A
      Original Author: Bentley Technical Support Group
       

    This page contains a list of TechNotes related…

  • Structural Analysis Support Solutions

    The Structural Analysis and Design TechNotes and FAQs are now organized by Application in the navigation tree at the left. The links on this page are maintained for faster navigation. 

    General (Licensing and Installation)

    STAAD.pro  

    STAAD Foundation Ad…

  • Verification Manual for STAAD.Pro

    A STAAD user asks:

    I want to know if there are any more verification examples than the twenty two shown in the Application Examples section.