• RE: Buckling Analysis and Effective length

    Dear Team I am working with the Staad model for buckling analysis . The buckling load factor is given by the staad after the analysis , wanted to understand the how to manually check the Buckling load factor using Critical Euler equation . I have manually…
  • THE COMPRESSIVE AXIAL STRESS IN MEMBER # 1049 EXCEEDS 0.08FCK AT SECTION 0.0 MM FOR LOAD # 216 AS PER CL 6.1 OF IS-13920 2016.

    Dear All, I got lot of warnings for the beams that the compressive axial stress in member exceed 0.08fck. What is the solution for that i have got lot of warnings regarding this. Please suggest me Thanks & Regards, Anirudh
  • base shear and lateral displacement value not matching with etab model

    Dear sir, Base shear gets by staad model is coming 269KN which is not matching with etab model (base shear 500kn) prepared by consultant.Also lateral displacement on siesmic cases is more in etab model than staad model.Can you explain why staad model…
  • How to use the SAVE command?

    I am trying to generate the time vs acceleration values from dynamic analysis in staadpro connect edition. In a forum discussion, i have come across a solution of using the SAVE command. It was mentioned to use TYPE 1 FORCE SAVE or TYPE 1 ACCELERATION…
  • Hide Finite Element Mesh in Postprocessing

    A couple of questions about the display of entities in the postprocessing window: Is it possible to hide the finite element mesh in STAAD Pro Postprocessing mode and just display solid view of the plates? Can the buckled/deflected shape of the plates…
  • STAAD - Modeling a Slab - Why I am getting a lower moment?

    Hello, I am new to STAAD and this forum, and this is my first post! I wanted to model an 8.67' X 31.5’ Slab with a 16,000 lb. load applied at the center. The slab will have fixed ends at all sides. As a “one-way slab”, the expected max moment utilizing…
  • STAAAD Physical - Error

    Hi Bentley Team, I am in the process of modeling a steel structure with some steel hoppers. Running Integrity Check and Analysis Model show no issue with no error in the model. But when I want to move to Analytical Modeling, the following message…
  • CAN I SCALE MY STRUCTURE??

    Hello Sir, I have a structure I designed before now, my boss comes yesterday and says he wants us to increase the plan dimension of the structure by a certain scale factor, can i resize the structure in STAADPRO and proceed to design or i have to re…
  • *WARNING- ZERO STIFFNESS IN DIRECTION 1 AT JOINT 11 EQN. NO. 1 LOADS APPLIED OR DISTRIBUTED HERE FROM ELEMENTS WILL BE IGNORED. THIS MAY BE DUE TO ALL MEMBERS AT THIS JOINT BEING RELEASED OR EFFECTIVELY RELEASED IN THIS DIRECTION. and several other w...

    Good day Everyone! I have several warnings in what I'm trying to design. I designed this model in STAAD TRUSS since this is a truss. Below are the details. Thanks in advance. P R O B L E M S T A T I S T I C S -----------------------------…
  • Response Spectrum Base Shear Scale

    Dear All, I have modelled and analysed a staad model with response spectrum analysis and the scale factor i have matched still im getting this. some one please clarify regarding this NOTE : THE BASE SHEAR (VB) FROM RESPONSE SPECTRUM IS LESS THAN THE…
  • Difference in loads and reactions

    Hello, Please find the staad file and clarify the following: 1. Why there is a difference value shown in statics check results. The loads and reactions must be equal and opposite. There might be slight difference as the analysis type is Direct analysis…
  • The analysis of a stepped column is possible or not?

    PDF Dear communities, Please provide me the solution or method to design & analysis the STEPPED column. For the reference, I have attached the pdf file, please check it & provide me the solution. Thank you.
  • Modal Frequency Calculation output details

    Good day, everyone! My query is about using the Modal Frequency Calculation... I've been checking the modal frequency of the structure as a whole but the client asked how we deal with the concentrated loads in the middle of the beams. I said that…
  • I am attaching a simple g+2 building which I have analysed in Staad. Have few queries about the same.

    I have given the clear cover to be 25mm in beams and 40mm for columns as per Indian Code. Further, I can see from the design output I can see from the design report that the clear cover is 35mm even though I have given 25mm in the input for the beams…
  • Infinity error is coming in the design.

    Dear Communities, Greetings! Find the attached updated model with a wide plate beam at a particular location (WPB 700x300x300.1 ). Also find the updated list of the section used in the model for your reference. Note:- Please ignore the utilization…
  • Member failing due to Critical Sec. 9.3.2.2

    I Need Help in Resolving Failure of Member. This is a tapered I section, but it is failing under clause 9.3.2.2. of IS800. Can anyone help me to resolve this critical condition ? Flange thickness is 12 mm Other details of section in photo. 5826…
  • Model for Cable Supporting Lateral Point Loads

    I am performing analysis for a cable system as shown in the sketch below. The cable runs through holes in vertical posts, and is anchored at the same elevation as the base of the post. I divided the horizontal section of the cable into two sections…
  • how to connect beam to column

    how to connect beam to column. column size is 4m x .850m, baem size 0.750m x 0.400m. see the attach file image. Yellow line is the column. .
  • Bug in Warping constant in AISC360-16 Chapter E.4 (STAAD.Pro ver.22.04.00.40 )

    STAAD.Pro ver. 22.04.00.40 ” The correct Cw (Warping constant) value is not assigned by the members ” I modeled all these members in the GUI. Other than PG(Plate Girder), I used American Property, and created User table about PG. Here, I compared…
  • Design of Solid slab (Conventional slabs)

    Hello Everyone For a while, I was using an Advanced Concrete Design (RCDC) for the design of a solid slab. Today I tried to learn the RAM concept for the slab designs but I saw a design of strips that had never seen before (When I was using RCDC and…
  • Dummy beam

    Hello Everyone. I create a dummy beam with density=0 and E=0 (Figure.1) then I assign the beam (Figure.2) then Staad Error occurs( ***ERROR*** MATERIAL NAME MUST NOT CONTAIN ANY BLANK SPACE )(Figure.3), What is the solution?
  • Von Mises correct?

    Hi I use STAAD Pro Connect V22 Update 3. Here I display a color plot of stresses in a plate between girders. I get Von Mises stresses more than twice as large as the Tresca stresses. How can this be? In theory Tresca shall be equal or larger than Von…
  • moment diagram

    Dear sir, As per the attached file when i check the moment diagram for secondary beams 356*171*45 .staad showing as these beams are pinned and in my model,I am considering them as a fixed .Why moment is not coming at the end nodes? roof.std …
  • Code Check Fail In AISC-ASD

    Hi Sir, I'm doing lifting analysis now but some members fails in code check as per AISC-ASD code. Kindly help to answer my queries below for my analysis model: 1. My analysis model pass the code check using AISC-360-16 but fails in AISC-ASD. May I…
  • RCDC Detailing Failure

    How to rectify this failure known as 'Detailing failure' in RCDC