STAAD.Pro is a structural analysis and design computer program originally developed by Research Engineers International at Yorba Linda, CA in 1997.
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Advance Training for STAAD
MANUAL
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Manual basico para adentrarse al programa de Staad Pro
ADVANCED STRUCTURES-CONICAL DOME STRUCTURE
1.Geometry Creation : New Project Select Space Units: Length =meters; Force=KN; File Name=Conical dome Next. Select Add beam Finish. Geometry Run structure WizardSelect Frame models from Truss modelGo to Surface Plate ModelSpherical Surface. Type Spherical cap. Diameter of Sphere=20m; Base Diameter=15m; Top diameter=0 Latitude: Divisions=10
Longitude: Divisions=15 Apply Transfer
ModelYes Paste Prototype Model X=0 Y=0 Z= 0Ok.
Isometric view. Click one end of the nodeEdit CopyPaste Y=7mOk. Right ClickAdd Beam. Join the column of top & Bottom nodes.
Select the column member Right clickInsert node Click Add mid pointOk. Select the column Go to GeometryCircular RepeatNode=161 Y Total angle=360 No. of steps=16 Tick □Link steps
□ Open base Ok.
Select the columns & Beams structure Go to LabelsStructure :inner paltes:Blue Outer Plates: RedOk.
2. Member Property : Click General Property Define Circle YD=0.45m (Column) Add. Rectangle YD=0.38
Highlight YD=0.38 ZD=0.23 and select Top ring beam and middle tie beam member Assign to selected beam Assign Yes . Highlight thickness=0.1m & select plate cursor. Select Top Dome Structure Right clickLabels Structure None Tick □ Fill Plates/solids surfaceApplyOk. 3. Supports : Click Support Create Fixed Add. Highlight support 2 and select bottom most nodes of column by windowing using node cursor Assign to selected nodes Assign Yes Close De select the nodes and change to beam cursor.
4. Loading : Click Load case Details Add. Primary Number 1 Loading type: none Title: Load case 1 Add . Click Load case 1 details Add. Self weight Y Factor=-1 Add. Plate loadsPressure on Full Plates W1=-1KN/m2 GY Add. Highlight selfweight Select geometry cursor & select entire structure Assign to selected beam/plates Assign Yes. Highlight Plate Load pressure on full plates W!=-1KN/m2 .Select Plate cursor & choose entire structure of the domeSelect geometry cursor & select entire structure Assign to selected beam/plates Assign Yes. Click Load case details Add. Click Define Combinations Load Number: 2 Name: 1.5 Load case 1 Normal Factor Default :1.5 Select Load case 1
α1=1.5 AddClose.
5. Analysis Type: Click Analysis/print No print Add Close. Click post print Define commands Load list select Load comb AddClick analysis Results Add Close, Note: Save the File before Run the Program.
6. Design : Click Design ConcreteCurrent code :IS456 Define Parameters Fc=20,000KN/m2 Add. Click Design commands Design slab elements AddClose. Highlight Fck=20000 and select plate cursor and select dome structure Assign to selected beams/plates Assign Yes. Go to top view & view the entire elements of the dome in plan. Select one segment of all elements of dome for design of slab portion. 7. Analysis: From Main Menu ` Analysis Run Analysis Done. 8.Results : Go to post processing mode. Select load case 2 Load comb Ok. Click Summary of results given in Table form. Results Plate stress contour Select Load case 2 Load comb Stress Type: Max Von Mz Apply Ok.