• Design of Truss/Purlin in Staadpro

    I am facing a problem while designing a roof truss. While designing the roof truss as a whole , the purlins are failing in output results on analysis But passing when checked by selecting the beam individually. Also when the purlin is designed…
  • Warning and Notes in Design

    I am designing a truss structure and its showing Some Notes and Warnings in results output like: Notes- 1) Very weak Spring Added for stability Warnings- 1) Instability at joint 2) Zero stiffness in direction 3 at joint . Kindly check the…
  • Truss

    Does the area of steel always remains less for a truss model than I beam to support a structure.
  • Can someone please correct stiffness issues in this space truss model?

    Code is as follows - STAAD SPACE START JOB INFORMATION ENGINEER DATE 28-Aug-18 END JOB INFORMATION INPUT WIDTH 79 UNIT FEET POUND JOINT COORDINATES 1 -3.375 0 0; 2 -2.958 0 0; 3 -1.125 0 0; 4 -0.875 -1.574 0; 5 -0.29167 -1.574 0; 6 0 0 0; 7 1.667…
  • Zero Stiffness - Wood Truss Model

    Hello, I am new to modeling trusses and I'm attempting to model a wood queen post truss and have just started with the self weight of the truss but I get 13 warnings when I run the model which say: *WARNING- ZERO STIFFNESS IN DIRECTION 2 AT JOINT 3…
  • Vertical and roof Truss design

    Hi, I really need help. I am trying to design an open warehouse made of steel truss roof and column. I keep on getting joint instability on one of my support. I don't know if what I did was right in my modelling process. Should I separate the design…
  • How to Design Steel Roof Truss in STAAD Pro??

    Hello everyone, I'm new to structural analysis and design using STAAD Pro. I've been using staad for last 6 months or so. So much to learn eh! I'm somewhat okay with concrete but know nothing about steel, I mean in staad. I'm trying to analyse and…