EGN-5439 The Design of Tall Buildings

ETABS Tutorial 1

Define New ModelDefine New Model

•• Choose Choose ““NONO””

Building ParametersBuilding Parameters

•• Columns 30Columns 30””x30x30””

•• Beams 24Beams 24””x24x24””

•• Shear walls:Shear walls:

–– Outer walls: 84Outer walls: 84””

–– Inner wall: 24Inner wall: 24””

–– Transverse wall: 8Transverse wall: 8””

Shear Wall Preliminary DesignShear Wall Preliminary Design

Define 1Define 1stst StoreyStorey

•• Choose Choose ““Grid OnlyGrid Only””

–– Model 1 Storey properly, run analysis, and check for any Model 1 Storey properly, run analysis, and check for any

improperly connected nodes.improperly connected nodes.

Ready to BeginReady to Begin

Define PropertiesDefine Properties

•• Material PropertiesMaterial Properties

•• Frame SectionsFrame Sections

•• Slab/Wall SectionsSlab/Wall Sections

•• Static Load CasesStatic Load Cases

•• Load CombinationsLoad Combinations

Material PropertiesMaterial Properties

•• Add new materialAdd new material

Frame SectionsFrame Sections

•• Add new Rectangular SectionsAdd new Rectangular Sections

Add BeamAdd Beam

Add Wall SectionsAdd Wall Sections

•• Always choose Shell for Always choose Shell for

walls/slabs.walls/slabs.

•• Membrane and Plate are Membrane and Plate are

remnants from previous remnants from previous

versions.versions.

Add SlabAdd Slab

Define Load CasesDefine Load Cases

•• Self Weight is to be counted as Self Weight is to be counted as

dead load.dead load.

Load CombinationsLoad Combinations

•• DDL = Design Dead + LiveDDL = Design Dead + Live

•• SDL = Service Dead + LiveSDL = Service Dead + Live

Draw ColumnsDraw Columns

Draw BeamsDraw Beams

Delete Beam/Columns to Place Shear WallsDelete Beam/Columns to Place Shear Walls

Draw Shear WallsDraw Shear Walls

Draw SlabDraw Slab

Turn on Object FillTurn on Object Fill

Delete Slabs Inside CoreDelete Slabs Inside Core

Draw Slabs Around CoreDraw Slabs Around Core

Mesh SlabsMesh Slabs

Select Frame Elements Overlapping Shear WallsSelect Frame Elements Overlapping Shear Walls

Delete Overlapping Frame ElementsDelete Overlapping Frame Elements

Apply LoadingApply Loading

Apply LoadsApply Loads

Run AnalysisRun Analysis

•• Run analysis and view animation looking for any disconnected Run analysis and view animation looking for any disconnected

nodes/abnormalities.nodes/abnormalities.

•• Resolve all errors before proceeding.Resolve all errors before proceeding.

Replicate StoriesReplicate Stories

Edit Story DataEdit Story Data

Modify Story HeightsModify Story Heights

Place Slab Above CorePlace Slab Above Core

Assign Loading to New SlabsAssign Loading to New Slabs

Run AnalysisRun Analysis

View Bent BView Bent B

Show Member ForcesShow Member Forces

Zoom in to Lower StoriesZoom in to Lower Stories

RightRight--Click on Lower Middle Column to View ForcesClick on Lower Middle Column to View Forces