• Structure Modeled in Physical Modeler to STAAD Advanced Concrete Design

    Hi, Hopefully someone can answer this. I created a concrete structure using STAAD.PRO CONNECT EDITIONs PHYSICAL MODELLER Workflow. Then after that I also analyse it using the same software. Save and close the file. To finish my design, I opened it…
  • Output showing half of the values for minimum steel and clear cover.

    Hello, my office is designing a basement wich consists of a slab for foundation, a concrete reinforced wall and beams and pedestals. The program takes hours to run due to the high number of plates it has (around 22000) but even when it did finish the…
  • Macro For extracting Reactions for all the Loads and nodes at a time

    Dear All, I will be glad if you help me with the code. I Already have a code where i need to enter load case number to get the reactions at the particular load case. I have almost 1000 load cases and i want all the load cases to get in excel at…
  • Query regarding mismatch of results for design of Steel Beam-Column as per IS:800-2007

    Sir, I hereby attached a staad frame and a pdf file. I have tried to design one beam column from the staad file manually. While doing so, there is a mismatch between the staad result and my manual result. Why is that happening. I have done the same…
  • "ERROR NOT ENOUGH MEMORY FOR SPECTRUM FORCE-6" in STAAD.Pro V8i

    Hello, I´m trying to analyze a model in STAAD.Pro V8i, said model consists of a slab as foundation, a perimetral RC wall and pedestals and beams to support the upper structure. The model has about 22000 plate elements and about 40 beams. Now to the problem…
  • Inconsistency in Design of shear reinforcement IS:456

    Hello Sir/Madam, I am designing a RCC building using IS:456. I have observed anomalies in results regarding spacing of shear reinforcement i.e. stirrups. First I used 12 dia bar and got a spacing of 55 mm in results. Then I used 10 dia bar but still…
  • Lifting Beam Design

    When I run analysis, it says the software does not support ASME code. Please help how to design a lifting beam. Can I use AISC Code? If so, what is the load factor I will use because it's for lifting? Thanks in advance.
  • Wind Load Application in Open Buildings

    Hi I make an 22mx56mx12m with 4.5m cladding the building is in open condition how should i have to apply wind loads ? only upto cladding height or for the full height of the column?
  • Basic Frame Analysis - Fy Different

    Hello, I am trying to analyze a normal frame in STAAD in 2 different ways. They are exactly same except that I have an Fz release at 2 nodes in one of them. Please see attached PDF. As you can see I am getting different base Fy values. I don't understand…
  • What is the best way to model a steel transition cap?

    I am new to STAAD pro connect. I need some help on how to model a steel transition cap shown in the attached photo. The cap consists of two top and bottom plates separated by cylindrical section. There are 24 gussets attached to the outer perimeter of…
  • K factor in mstower software

    Hi All, I am here asking based on what MStower software uses a value of (0.8 or 0.9 or 1) during the design calculation for a steel tower parts? is there any structural factor or a scientific fact behind that ? thank you for your help in …
  • 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…
  • Seismic Loads Concentrate Only On Inclined Member

    Hi Good Day! I would like to raise my concern in my STAAD model regarding the distribution of seismic forces. Currently, I can't find a way to achieve my desired mode shape which is translational for Mode 1 and 2, and torsional for Mode 3. Though I…
  • Bi-axial bending and torsion EC3

    Hello everyone, I have a question about the bi-axial bending and torsion calculations in StaadPro based on EC3. I designed a beam (RHS) subjected to bi-axial bending and torsion. I am comparing my hand calculations with Staad pro unity check but…
  • Can STAAD show me the least favorable resultant force for all posible combinations in a given node?

    Hello, recently graduated civil engineer here so please have patience. We are performing the connection design for a truss type steel structure here at my office. As I understand when it gets to the part of designing a plate you must work with the resultant…
  • STAAD CONNECT NZS Design code query

    Hi, 1) NZS 3404-1997 code shows European section as AISC section in Detail output 2) Design Category and member category 4 : NZS 3404-1997 clause 12.7.2 does not mentioned minimum web thickness for category 4 /non -ductile condition but STAAD shows…
  • Caesar and Staad compatibility.

    Dear community. It is possible to use the output from Caesar (pipe stress analysis software) with STAAD.Pro? it is for the design of a pipe supports and a pipe bridge. Before i have worked with excel sheets reports from Caesar, and manually I…
  • Different displacements with nearly identical models

    Hello, I´m designing a reinforced concrete "perimetral wall" (Not really sure that´s the name it would have in English) that has 2 different sections, the only change between sections is that one has a 30 x 40 cm "tie beam" (again,not sure that´s the…
  • Period Time Range

    Former Member
    Former Member
    What is the period time range of first mode of RC high rise buildings under seismic loads?
  • Monoslope Roof

    Hi guys. I am a new user in staad. I tried modeling my file but i can't run it as a whole. Can someone give me tips on how to model this on my staad? at the same time, i am trying to analyze it part by part, but can't seem quite to run it due to instability…
  • How to model Connectivity between Raft Footing and Wall in Staad?

    Good Everybody, I am Modeling a Circular Digester tank of 318Million Litters per Day , I have a doubt how to model the connection between the wall and raft footing. this how I modeled the Raft is 600mm thk and the wall is 350mm thk, I have modeled…
  • How to model opening in rcc wall of water tank

    I am modeling a digester with a opening in the wall In the model plates near the opening (plate no: 8632,3026 and other plates around opening ) have abnormal Mx moments along the local x axis of the plate and also there directions are reversed is it…
  • Concrete Spiral staircase with mesh- design

    Hello sirs; I don't have knowledge of concrete design. However out of my interest I have generated a staad model for concrete spiral staircase. The design file is attached. But I don't know how to check the design. Is this design safe? Can it be further…
  • Japanese codes (AIJ standard) steel structure design equation

    Hello, I am working on STAAD.Pro V8i and I can read in the help manual, for the Japanese codes 2005 steel design that the equation for the Allowable bending moment stress correction factor C is written: C=1.75 - 1.05 (M2/M1) + 0.3 (M2/M1)^2 I am…