etabs 02 create steel frame building

8/10/2019 Etabs 02 Create Steel Frame Building

1/85

Create New Model.


2/85


3/85


4/85


5/85


6/85


7/85

Define Section PropertiesFrame Sections

Import New Properties


8/85

Concrete RectangularSteel I-Beamselect W16x26 to W18x175


9/85

Result: w16x26 to w18x175 will appear as followingOK


10/85


11/85

PropertiesFrame SectionAdd New Frame PropertyAuto Selection List


12/85

RENAME Property Name to AUTOLATBMSelect W16x26 to W18x175 add to Auto Select ListOK


13/85

Go to DefineSection PropertiesFrame SectionsImport New PropertiesAuto Select List


14/85


15/85


16/85

NOTE: by default, the Story4 is labelled as Master Story. Story1,2,3 is similar to Story4.


17/85


18/85


19/85

1 0 0 0

2 0 0 0

3 0 0 0 90

4 0 0 0 90

Go to cursor modeCtrl + Click on column A2Select Column C7RESULT: notice that the bottom

left shows 4 frames selected.


20/85

Repeat this process for B2, A3, C3 and C4. RESULT: 20 frames selected.


21/85


22/85


23/85

Choose Frame object Major Direction is Y.Apply. RESULT: Notice the 5 columns (20frames) selected

rotated 90degrees. Reason: We have defined the orientation of the selected to major direction that is Y

direction.


24/85

Assignclear display of assign


25/85

Go to Set Display OptionsAdd a Tick at Extrude FramesTick at Apply to All WindowsApply

OK

CREATE BEAM

Quick Draw BeamsProperty = AUTOLATBM.


26/85

Add Beam as followings:

NOTE: the beam are level due to the similar properties as we have set it that way.


27/85

Use cursor mode, Select Beam C/2-3EditDelete.

CREATE SECONDARY BEAM


28/85


29/85

SelectSelectIntersecting Line


30/85

The selected Beam as followsEditDelete.


31/85

DRAW FLOORING OBJECTS

Remove the Extrude Frame View Options.


32/85

Rename property to Deck1

Make sure Snap to Grid Intersections & Points is active

Draw the slab needed. Click enter to finish it.


33/85

This indicate the direction of the deck span.

Use cursor modedefineSection PropertiesDeck Sections.


34/85

Modify/Show PropertyModify the slab depth to 3in.


35/85

DrawAuto Draw Cladding


36/85


37/85

Set Elevation ViewPlan A.


38/85

You can right click to show below:


39/85

Select plan view.

DefineLoad Patterns


40/85

MODFIY LOAD: Select Live Load, change type to Reducible Live

Modfiy Load


41/85

ADD LOAD:

1. Rename load name to SDead(super imposed dead load), Choose Type: Super DeadAdd New

load.

2.

Rename load name to Cladding, Choose Type: Super DeadAdd New load.


42/85

3.

Rename load name to Eqy, Choose Type: Seismic, Auto Lateral Load: ASCE: 7-10Add New

Load --> Modify Lateral Load

Uncheck the followingOK

4.

Rename load name to Windx, Choose Type: Wind, Auto Lateral Load: ASCE: 7-10Add New

Load --> Modify Lateral LoadInclude Shell Objects, Wind speed = 100mphOKOK


43/85


44/85


45/85

Off snap to grid button.

Select (with cursor) all the preliminary beam (boundary). Note that 1 beam = 4frames due to similar

stories design.


46/85


47/85


48/85

3D-mode:


49/85

Go back to Plan View


50/85

CREATE WIND LOADCreate Wind Load @ Right Elevation

First, create the elevation view of the right side of the building so that the wind load can be apply

to it.


51/85


52/85

Turn On Snap to Grid intersections and Points.

Select the following RIGHT elevation, Click on column D1, D2, B2, B3, C3, C4Enter

RESULT:


53/85

Back to Plan View.

MAKE SURE: The wind load direction is on positive x-direction on the right elevation, negative x-

direction on the left elevation.

Click on 3D view, set view optionsObject AssignmentsCHECK local Axes.


54/85


55/85

Positive side on right Elevation as above and Negative side on left elevation as below.

Uncheck the local axes and back to basic 3D view


56/85

Select Elevation ViewA OK (note: A view here is the same as leftelevation)

SELECT the whole A panel. (notice the doted line)


57/85

Wind Load Pattern Name: WindxCoefficient, Cp : -0.8 (so that the wind load is at the positive x-

direction acting on the A panel).CHECK Windward (varies).

Choose RIGHT Elevation View:


58/85


59/85

AssignClear Display of Sign3D view.

Check Load applied:


60/85

RUN ANALYSIS


61/85


62/85


63/85


64/85


65/85

Right Click on the beamto bring out individual diagram.


66/85

NOTE: Display locationShow Max OR Scroll for Values.

E.g Scroll for Values 6.5ft from the joint.


67/85

Reset the display to Underformed shape -> 3D view


68/85

Right Click on the Secondary Beam:


69/85


70/85


71/85

Check for information of other tabs too:: Beam, Deflection, Vibration, Prices, Factors

FOR 3D view, go to display option, UNCHECK the object fill and all null shells.


72/85


73/85

Verify Analysis and Design Section


74/85


75/85

Select NO this time? Why?

Right click on 1 of the secondary beam, you will notice that last analysis and current design/next

analysis are not the same.

The accepted Sections List shows all the members that are adequate for the design.


76/85


77/85


78/85


79/85

SelectSelectPropertiesFrame Sections

Select AUTOLATBMSelectClose


80/85


81/85

DesignSteel Frame DesignLateral Bracing

Select User SpecifiedSpecify Point Bracing


82/85

On the Plan View tabRight Click on the Beam as follow:

Note the design procedure is Steel Frame Design.

Go to 3D-view tab, DesignSteel Frame DesignStart Design/Check

Click NO::

DesignSteel Frame DesignDisplay Design Info


83/85

Make sure the P-M Ratio is selected (both 3D view and Plan View Tab)

Right Click on the Beam:


84/85

Again: note that the analysis section and design section are different.

here shows the auto generated code suitable steel sections that are adequate for design.

DesignSteel Frame DesignSelect Design Combinations:

Analyzerun Analysis

DesignSteel Frame DesignStart Design/Check

Again, if the analaysis and design still do not match, Click YES to rerun:

DesignSteel Frame DesignVerify Analysis vs Design sections


85/85

etabs 02 create steel frame building

Documents