STAADPRO ELEVATED INTZ TANK MODELING AND DESIGNING

T.RANGARAJAN, STRUCTURAL ENGINEER STAADPRO Page 1

ELEVATED INTZ TANK

MODELING , LOADINGS , ANALYSIS AND DESIGN OF ELEVATED INTZ TANK

Modeling:

1. Space-file name : RC NTZ TANK 2. Unit-Met, Kn 3. Add beam 4. Finish 5. View from +Z –X_Y Plane .Snap Node/Beam 6. Use Circular Repeat tool.

Snap Node/Beam

Insert node- vertical side into 2 and to Slope by 3. Use circular repeat tool to model the tank.

Select all beams and choose Create Infill Plate to Infill plate tool and fill with PLATE ELEMENTS. (Plate member) Structure Diagrams… and click to Fill Plates

Ctrl+Z ….Undo ….. Circular Repeat

Circular Repeat

Create Infill Plate Label tool…. Structure Diagrams… Fill Plates

Select Beam Cursor and select beams and click fill plates to view the plates.

General menu- property- 200 mm for plate and provide Fixed Support to the bottom 2 nodes as shown.

Load case 1 : Water Pressure-General - Add.. Plate Loads | Hydrostatic - Select Plate(s).

W1 = -20Kn/m2 and W2 = 0 Kn/m2.

Select Hydrostatic and enter ,W1 = -40 Kn/m2 and W2 = -20 Kn/m2

W1 = -50 Kn/m2 and W2 = -4 0Kn/m2

Select Plate Cursor and select the plates . Use Circular Repeat as shown.

Local Z --- Ctrl+Z ……. Circular Repeat …

Command- Analysis/Print .. Print Option .No Print

Choose Analyze | Run Analysis…

Choose Post-processing - Plate | Contour …choose Max Absolute

View From +Y … Plate Cursor

Use Cut Section … Select to View ......... View Highlighted Only

View From +Z … Plate Cursor

Cut Section … Select to View | View Highlighted Only

Cut Section … Show All Surface Element and Plate Element Modeling …. View From +Z

Cut Section …Select to View | View Highlighted Only

View From +Y…… ……..

Define Mesh Region ……. Div. = 1

Support …………. Fixed Support

General | Property ……. Thickness… Plate/Surface Thickness …0.3 m,

Material = Concrete … Add … Close

Assign To View …. Assign

Load case 2 : PLATE LOAD … Add.. .Selfweight

Add.. Plate Loads | Pressure on Full Plate …Add … Close …Assign To View

Analyze | Run Analysis… Run Analysis

Post-processing case2 : PLATE LOAD

Plate | Contour

Modeling :

1 … (X=2, Y=20, Z=0) (X=0, Y=0, Z=0) …. (Circular Repeat) Modeling …. Geometry | Beam View From +Z …… Snap Node/Beam

Snap Node/Beam Snap Node/Beam …. (X=2, Y=20) … (X=0, Y=0) Property … Define… Rectangle : YD = 1.0 m, ZD = 0.5 m, Material = Concrete

Insert Node

Circular Repeat

3D Rendering

Link beam property …. YD = 0.4 m, ZD = 0.4 m …Beam

Support …. Edit List

Load case 3 : Design Load …… Repeat Load … L2 : PLATE LOAD … 1.4

Commands | Loading | Load List… L3 : DESIGN LOAD

Design | Concrete … Define Parameters… FC : Compressive strength of concrete = 25 N/m2 • FYMAIN : Yield strength of steel = 415 N/m2 • MAXMAIN : Max. main reinforcement bar = 25 • TRACK = (2)

View From +Z

Commands… DESIGN COLUMN Analyze | Run Analysis…

STAADPRO ELEVATED INTZ TANK MODELING AND DESIGNING · PDF filestaadpro elevated intz tank...

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