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Showing results for tags 'truss'.
Found 13 results
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Hello, I am designing the mosque in zone 4 . The roof of the mosque is a Truss.I have following questions 1. Do truss rest on the beam ? if yes .? do i have to assign any support conditions ? or etab will selelct by default. 2. what will be the grade of steel for the truss ? yield or tensi...
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When performing a wind and weight analysis on truss all memebrs pass; while performing a seismic analysis on a 6x12 m2 truss with 4.6m height (excentricity of 0.05, base shear coefficiente C=0.18, and elevation coefficient K=1) all members on the heels and piers don't pass the analysis....
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Hi everyone!, I'm trying to design a shed of truss span 85', I have experimented with many different types of trusses. A problem that is common among most of them is failure of member near eaves. Does anyone know how to solve this issue? (*Eaves height is 24' and I can't put any member to support...
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hi guys hope you all are fine , coming to the point , i have been modelling trusses for a factory building in ETABS 19 ,details of which are attached , span= 90 feet , dist b/w two adjacent trusses is 18 ' horizontal /vertical chords =2L 2.5"x2.5"x3/8" (double angle) Top chord w-sec...
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Hi, I am currently modelling a stress roof truss on ETABs, the truss has an overhang. I am having trouble modelling it as I keep getting this message: Load Case : Solving Linear Stiffness from Zero (unstressed) initial conditions THE STRUCTURE IS UNSTABLE OR ILL-CONDITIONED !!. CHECK THE...
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Can any one please help me with resources they have for designing Steel roof truss and Rcc column joint? Also if there is any references available for modelling such structural joints in ETABS? Thanks
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I have modelled a RCC building with a steel roof truss atop. Now when I run analysis, the reinfforcement in columns etabs shows is always the minimum reinforcement required. I cannot figure out why this is happening. Could anyone help me? Also, I remodeled it another time with...
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Truss Structure is unstable or Ill-Conditioned
kamruzzaman shohagh posted a topic in Software Issues
Hello Sir, I was trying to design a steel truss (layout attached). During design I found below comments in output text file: "THE STRUCTURE IS UNSTABLE OR ILL-CONDITIONED" I tried in two ways : Only truss was modeled (simple grid not actual layout) to find out the reason of ill... -
Salaam everyone! I wrote these scripts a few years back when i was working on my final year project. Definitely spent a lot of time & effort. I remember searching for any hints when i was about to embark on this project... This code may however be most useful for students & any pedagogic purpose...- 5 replies
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I am designing a skybridge connecting two buildings at 20m above ground. Bridge length is 22m. The Bridge is double storied. One Supporting end will be hinge support and another roller ( as there will be expansion gap). Does anyone have similar type of experience.. ??
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Hi All, The following website has number of free civil engineering software and design sheets. Softwares Continuous beam analyzer -> https://sites.google.com/site/samsoninfinite/home/beam-analyzer 2D Truss Analyzer -> https://sites.google.com/site/samsoninfinite/home/plane-truss-analyzer...
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I have been given an assignment to design a cantilever steel truss bridge of 35 meter span. I have analyzed the model in SAP 2000. I am bit confused and want to know the basic transferring mechanism of forces in such structure.Point that is pinching in my head is that: " TRUSS members only transfer...
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Help needed in this! Problem attached! STEEL STRUCTURES.docx
