Building Analysis and Design

midas Gen Training Series

Steel Plant Structure

Dimensions

8.5 m

35 m15 m

10 m

5 m

Materials and Sections

• Define Material-Steel ATM09 A36

• Define 4 Sections as shown

Point Grid and Coordinate System

• Define Grid Spacing- 0.5 X 0.5 m

• Select Y – Z plane• Activate Gird

Create Columns

Draw 4 columnsAssign Element Type: General beamSection: Column

Use Nodal Connectivity(0,0,0) , (0,0,8.5)(0,5,0) , (0,5,9.5)(0,10,0) , (0,10,9.5)(0,15,0) , (0,15,8.5)

Draw top beams

Draw 4 top beamsAssign Element Type: General beamSection: Top Beam

Connect the top columns(0,0,8.5) , (0,5,9.5)(0,5,9.5) , (0,7.5,10)(0,7.5,10), (0,10,9.5)(0,10,9.5), (0,15,8.5)

Draw mid beams

Draw 2 mid beamsAssign Element Type: General beamSection: Mid Beam

(0,0,4) , (0,5,4.5)(0,15,4) , (0,10,4.5)

Draw front braces

Draw 8 braces in front face

Assign Element Type: TrussSection: Brace

Connect corners to make braces crossing

Assign random color

Copy sections

Copy columns and top beams

Select outer columns and top beamsCopy 7 times at 5 m in X direction

Create roof beams

Draw 7 roof beams

Assign Element beamSection: top beam

Draw across top beams to connect roof as shown

Create side beams

Draw 2 side beams

Assign Element beamSection: Mid beam

Draw across mid beams to connect columns as shown

Copy front face

Copy front face

Select inner columns, mid beams, and bracesCopy 1 time at 35 m in X direction

Draw roof braces

Draw 12 braces in roof

Assign Element Type: TrussSection: Brace

Connect corners to make braces crossing

Copy roof braces

Copy roof braces

Select inner bracesCopy 2 time at 15 m in X direction

Copy roof braces

Copy roof braces

Select outer bracesCopy 6 time at 5 m in X direction

Draw side braces

Draw 32 braces on both sides

Assign Element Type: TrussSection: Brace

Connect corners to make braces crossing

Apply boundary conditions

Assign boundary

Select bottom nodesFix displacement degrees of freedom

Load Cases

Static Load Cases

Create 4 load casesAssign Self Weight to dead load case

Assign Floor Loads

Assign floor loads to roof

Define Floor loads >> AddDead = -2 kN/m^2Live = -4 kN/m^2

Assign as one way to each half by drawing 2 rectangles

Generate story data

Convert Self weight into Masses

Auto Generate Story Data

Wind Load X

Add Wind LoadLoad Case: Wind XWind Load Code: UBCExposure: DWind Speed: 100 mph

Wind Load Y

Add Wind LoadLoad Case: Wind YWind Load Code: UBCExposure: DWind Speed: 100 mph

Load to masses

Convert Self weight into Masses

Create Load to MassesDead Scale Factor: 1Live Scale Factor: 0.8

Perform Analysis

Results: Deformations

Results: Axial Forces

Results: Moments Y

Load combinationGenerate Load ComboSelect Steel DesignAuto GenerationDesign Code: AISC

Design: Code Check

Steel Optimal Design

Steel Optimal Design

Steel Optimal Design

Results: Deformations

Results: Axial Forces

Results: Moments Y

Design Plus Import

Run Check on section

Run Designon section

Thanks!