Etabs Wind

DEFINING WIND LOAD

There are two options to Assign the Wind. 1.Shell Object Method 2.Diaphragm Method SHE O!"E#T METHOD $n shell object method we will Design the Wind on partic%lar s%r&ace %sing Shell. $n this method &irst we we ha'e to create wall at (ero (ero mar) and de&ine the Wind load pattern and then Assign the Wind oad. Step 1. #reate Wall s%r&ace with *one+ #lic) on Set Ele'ation 'iew icon ApplyOk.

Select

‘A’ side view (Left side view)

Select one store, option on on right side bottom. bottom. #lic) #lic) -%ic) Draw loor/Wall 0lanEle' 3D4

 Select

Property =None.

Select Elevation fro Storey 1 to Top store, 0Store, 54 b, windowing.

Set Ele'ation 'iew

 Select

! view ("i#$t side view)

Apply Ok.

Select Elevation fro Storey 1 to Top store, 0Store, 54 b, windowing.

Set Ele'ation 'iew

 Select

% view (&ront view)

Apply Ok.

Select Ele'ation &rom Store, Store, 1 to Top store, 0Store, 0Store, 54 b, windowing. windowing.

Set Ele'ation 'iew

 Select

' view ("ear view)

Apply Ok.

Select Elevation fro Storey 1 to Top store, 0Store, 54 b, windowing

2. De&ine Wind oad attern + De&ine

 Load

Pattern.

Set oad6 Wind 78 T,pe6Wind Sel& weight m%ltiplier 69 A%to ateral load6 $ndian $S :;5< 1=:;  Add New Load Ok.

Set oad6 Wind >< T,pe6Wind Sel& weight m%ltiplier 69  A%to ateral load6 $ndian $S :;5< 1=:;

 Add

*ew oad

O).

Select Wind 78

 !lick

on odify Lateral load to specify ind Load paraeter.

$n the Wind oad attern $S :;5<1=:; select E?pos%re &rom Shell Objects. ill the re@%ired parameters as per $S :;5<1=:; Wind speed Terrain categor,Str%ct%re class )1 )3 &actors and e?pos%re height and clic) O).

Similarl, select Wind >< parameter.

 #lic)

on Modi&, ateral load to speci&, Wind oad

$n the Wind oad attern $S :;5<1=:; select E?pos%re &rom Shell Objects. ill the re@%ired parameters as per $S :;5<1=:; as in Wind 78 and clic) O)  O).

3. Assign Wind oad + We ha'e to draw the Shell objects all aro%nd the str%ct%re 078. 7< >8 ><4 directions. Set Ele'ation A 'iew &or 78 'e

 Apply Ok.

#hoose Similar store, option. Select the wall panels in ele'ation &rom store, 1 to store, 5

 Assign men%  S$ell load

 ind

press*re !oefficient.

$n this select W$*D 78 Wind press%re #oe&&icient # p=9.: indward

 Apply  Ok.

Set Ele'ation # 'iew &or 7< 'e

 Apply Ok.

Select all wall panels in ele'ation &rom store, 1 to store, 5

 Assign men%  S$ell load

 ind

press*re !oefficient.

$n this select W$*D 78 Wind press%re #oe&&icient # p 69.59 eeward

 Appl,  O).

Set Ele'ation 1 'iew &or >< 'e

 Apply Ok

Select all wall panels in ele'ation &rom store, 1 to store, 5

 Assign men%  S$ell load

 ind

press*re !oefficient.

$n this select W$*D >< Wind press%re #oe&&icient # p=9.:

Windward

 Appl,  O).

Set Ele'ation  'iew &or >< 'e

 Apply Ok.

Select all wall panels in ele'ation &rom store, 1 to store, 5  Assign men%  S$ell load

 ind

press*re !oefficient.

$n this select W$*D >< Wind press%re #oe&&icient # p=9.5 eeward

 Appl,  O).

2. D$A 0HBACM METHOD+ $n this method we will Assign the Wind on &loor. We ha'e to appl, the Diaphragm &or all &loors 0&rom store, 14. A&ter that we will get the centre o& gra'it, point o& slabs

ind Loads + ,n E-AS t$ere are two ways to define lateral loads (ind/ eart$ 0*ake). *ilt in option will a*toatically calc*late lateral loads as per availa1le desi#n codes. 2efine wind load paraeters as per ,S 345 66Part 7 (%834) &ro ain en*

 2efine  Static

Load cases



Load = 9 or : -ype = ind Self wei#$t *ltiplier =; A*to Lateral load =,S 345<%834   Add New Load  Select wind 9 load and click on odify lateral loads to specify re0*ired wind load paraeter. As per ,S 345  Ok  Ok.

!reatin# d*y areas wit$ property =None Set re0*ired elevation view in ri#$t window  &ro ain en*  2raw  2raw area o1ects  2raw rectan#*lar areas  Property = None  !lick on t$e perieter of area and press enter.

&oot Note+ Apply wind load for selections. -o select wind area ain en*

 Select  y

area o1ect type

 select

none

 Ok.

Assi#nin# wind loads Select drawin# area of re0*ired elevation Assi#n

 S$ell>area

loads

 ind

 &ro

Press*re coefficients

ind load case nae =ind 9 !oefficient !p= 6 (!$an#e if re0*ired)

-o see wind load selection  Set

*ildin# view option



ain en*

 Ok.





 Area  Line

section section

 Ok.

Automatic load combination

Design

Unlock the model first

Material concrete fck=20

Fe500

Last 2 values multipl b !"!

#lear  Use

%$ &ress left hand side and press delete ke to move unused bars dia from the list

Up to '(mm dia bars

)un analsis from analsis icon

*ake all from left to righthand side

#lick concrete frame design b clicking above tool bar"

Activate elevation +indo+ and go to design menu

*o select , of steel

)ight click to see the details of a particular member 

$ummar

-ne store

.eam Design

An member fail

#olumn reinft is more than 2 to ' , if ou +ant to revise change section si/e"

*o revise column section

)un analsis again

o to , diagram to verif the results