etabs example-1

8/20/2019 ETABS Example-1

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ETABSExtended Three dimensional Analysis for Building System

Example 1:

No. of stories : G+3

No. of bays in X ire!tion : "

No. of bays in # ire!tion : 3

S$a!ing in X ire!tion : 3%&&

S$a!ing in # ire!tion : '%&&

Ty$i!al Storey height : 3&&&

Basement height : "&&&

(on!rete Grade : )"&

Steel Grade : *y'%

(olumn Si,es ( -(orner (olumn : "3& x 3&&

(" -Side (olumn : "3&x 3/&

(" -0nner (olumn : "3&x '1&

Beams B : "3&x 33&

B" : "3&x '&1

2B : "3&x3&&

Slab Thi!ness : "%mm


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3500 3500

4 5 0 0

4 5 0 0

4 5 0 0

1

2

3

4

A B C

C2 C1

B1B1

C1

C3C2 C2

B 2

B 2

B 2

B 2

B 2

B 2

C2 C3 C2

C1 C2 C1

B 2

B 2

B 2

B1 B1

B1 B1

B1 B1

BEAMS:

B1 = 230 X 330

B2 = 230 X 406

PLINTH BEAM - PB 230 X 300

COLUMN:

C2 = 230 X 380

C1 = 230 X 300

C3 = 230 X 460

C3 = 230 X 460

C1 = 230 X 300C2 = 230 X 380

COLUMN:


B2 = 230 X 406

B1 = 230 X 330

BEAMS:

2 0 0 0

3 0

0 0

3 0 0 0

3 0 0 0

PB1 PB1

B1B1

B1 B1

B1B1

BASE

STOREY-1

3 0 0 0

STOREY-2

STOREY-3

STOREY-4

STOREY-5

STEP BY STEP PROCEURE:STEP 1: (Creation of geometry)


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4$en ETABS 2rogram.

Set the units of the model in the dro$ do5n box in the lo5er right hand!orner of ETABS 5indo5 6 !li! the dro$ do5n box to set units in 7N.m.

*rom )ain menu *ile Ne5 )odel Sele!t No.

Building 2an Grid System and Storey ata efinition 5ill be dis$layed. 8niform Grid S$a!ing

No. of lines in X ire!tion 93No. of lines in # ire!tion 9'


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S$a!ing in X ire!tion 9 3.%& m

S$a!ing in y ire!tion 9 '.%& m

Sim$le Grid ata

No. of stories 9%Ty$i!al Storey eight 93.& m

Bottom storey height 9".& m

Sele!t Grid only button 47.

Note: #ou !an !hange Grid s$a!ing by !hoosing (ustom Grid s$a!ing6 for!olumn ;arying s$a!ing then !li! Edit Grid you !an also !hange any storey

height by !hoose (ustom Storey ata6 then !li! on Edit Storey ata.

Go to )ain menu Edit Storey data Edit Storey.


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GridNo.


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STEP 3: (efine !aterial Propertie")

*rom )ain menu efine )aterial 2ro$erty Add ne5 material

)aterial Name 9)"&(on!rete !ubi! !om$. strength f! 9"&Bending =einfor!ement yield strength fy 9'%

Shear =einfor!ement yield strength fy 9'% 4 4.


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STEP 3: (efine #rame "e$tion)efine Beam:

*rom )ain menu efine *rame se!tion Add re!tangular )aterial

name 9)"& -sele!t Se!tion Name9B


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imensions:

e$th -3 933&mm>idth -" 9"3&mm

(li! reinfor!ementSele!t Beam

(on!rete !o;er to rebar !enter To$ 9"% mm Bottom 9"%mm 4 4.

0n the same manner define other beams B" and 2B.


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efine (olumn:

Add =e!tangular se!tion Name 9(

)aterial name 9 )"&

imensions :

e$th -3 933&mm

>idth -" 9"3&mm

(li! reinfor!ementSele!t (olumn

Sele!t =e!tangular

Ties =e!tangular(o;er 9 '& mmBar si,e 9" d

(orner bar 9" d =einfor!ement to be designed 4 4.

0n the same manner define !olumn (" and (3.

efine Slab:


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*rom )ain menu define >all?Slab ?e! se!tion Add Ne5 slab

Se!tion name 9 S)aterial name 9 )"&.

)embrane

)embrane 9"% mm

Bending 9"%mmSele!t )embrane 4 4.

STEP %: (ra&ing Beam"' Colmn" an Sla*")ra5ing Beams:

*rom )ain menu ra5 ra5 line ob@e!ts (reate lines in region2ro$erty 9

Sele!t reuired beam si,e B

(li! or Sele!t the beam B in 2lan ;ie5 -


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ra5ing (olumns:

*rom )ain menu ra5 ra5 line ob@e!ts (reate !olumn in region

2ro$erty 9 (

Sele!t or (li! on the !olumn @oints in 2lan ;ie5 -


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ra5ing Slab:

*rom )ain menu ra5 ra5 area ob@e!ts (reate areas at !li! -ra5

areas -2lan 2ro$erty 9S (li! on the $eri$hery of !olumn @oints and

$ress enter ->ith similar storey o$tion.


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Note:

To ;ie5 the assigned beam in $lan

Sele!t Set Building 4b@e!ts on to$ of Tool bar.

Sele!t


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STEP +:(A""igning Spport Conition)Set Base floor 2lan ;ie5 in left 5indo5 Set (olumn $oints -5ith mouse

*rom )ain menu Assign Doint?2oint =estraints -su$$orts Sele!t

*ixed 4.


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To ;ie5 Su$$ort assigned

*rom to$ Tool bar Set Building ;ie5 o$tion

,i"i*le in -ie&

Su$$orts 4.

Go to Ele;ation ;ie5 and ;ie5 . *or other ;ie5s !li! arro5 at to$ of

tool bar.

STEP .: (efining /oa").Gra;ity


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Note:

*or Self 5eight multi$lier 5ill be for beams and !olumns of dead load. *orall other loads6 it 5ill be ,ero.

Assigning the


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To see the load assigned :

=ight !li! the $arti!ular member !orres$onding load 4.

Note:

*or $oint load :*rom )ain menu Assign Doint?2oint loads


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Sele!t left side 5indo5.

Sele!t all slabs by setting all floors? similar storey o$tion *rom )ain

menu efine ia$hragms Sele!t )odify? Sho5 dia$hragms

Sele!t =igid 4 4.

efine )ass Sour!eAs $er 0S /C3J"&&" "%K of


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*rom )ain menu efine Stati!


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Assigning ia$hragms

Set all storey o$tion and sele!t all slabs *rom )ain menu Assign

Shell area ia$hragms 4.

To ;ie5 the ia$hragm

Go to Set Building ie5 ob@e!ts

ia$hragm

STEP : ( e"ign)

Sele!ting 0ndian (ode*rom )ain menu 4$tions 2referen!es (on!rete *rame esign

!ode 9 0ndian 0S '%1"&&&. 4.

efining


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STEP 2 : (Analy"i")*rom )ain menu Analysis =un analysis.

After !om$leting $ro!ess6 the model automati!ally dis$la!es deformed sha$e;ie5 and the model is lo!ed -you !annot do any !hanges .

STEP 1 : (Rnning t4e e"ign Pro$e"")

*rom )ain menu esign (on!rete frame design Start esign?

(he! of Stru!ture esign results 5ill be dis$layed on the model.

Gra$hi!al out$ut:

A!ti;ate 3 ;ie5 in right 5indo5 by !li!ing title bar Set ele;ation ;ie5

9 *rom )ain menu is$lay Sho5 member for!e?Stresses diagrams

*rame?2ier?S$andrel for!es Sele!t any load !ase say < +


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Sele!t s!roll for ;alues -=ight to$ 5indo5 5hi!h 5ill sho5 at different

distan!es along the beam.


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To !lear the dis$lay:

A!ti;ate right 5indo5 *rom )ain menu is$lay Sho5 un deformed

sha$e (li! on 3 button from to$ tool bar to dis$lay 3 ;ie5.

To ;ie5 reinfor!ement detail:

Rnning t4e e"ign Pro$e""

*rom )ain menu esign (on!rete *rame esign start design ?(he!

of Stru!ture esign results 5ill be dis$layed in the model.

Set to Ele;ation ;ie59 in right 5indo5 =einfor!ement area 5ill be

dis$layed on the frame. =ight !li! on any beam or !olumn. >e !an sele!t;arious o$tions:

Summary *lexural details

Shear details et!.

En;elo$e 4.


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ie5 the K of steel on beams and !olumns

*rom )ain menu esign (on!rete *rame esign is$lay design

information sele!t esign out$ut9rebarK 4.


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Ele;ation BEA)


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Ele;ation ""

Ele;ation 33


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Ele;ation ''


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Example 5 :

No. of stories : &

No. of bays in X ire!tion : 'No. of bays in # ire!tion : %

S$a!ing in X ire!tion : '%&&S$a!ing in # ire!tion : 3&&&

Ty$i!al Storey height : 3&&&

Basement height : "&&&(on!rete Grade : )"& for beams )"% for

(olumnsSteel Grade : *y'%

(olumn Si,es ( : "3& x '1&

(" : "3&x %3& (3 : "3&x1&&

Beams B : "3&x '&1 B" : "3&x 3/&

2B : "3&x3&&

Slab Thi!ness : "%mm

Y

X

C3 = 230 X 600

C1 = 230 X 460

C2 = 230 X 530

COLUMN:


B2 = 230 X 460

B1 = 230 X 330

BEAMS:

B2

B1

B2

B1B1

B1B1B1

B2B2B2

B1 B1

B2

B2B2

B1

B1B1

B2

B2

B2

B2

5

4

3

2

1

DCB A

3 2 0 0

2 8 0 0

4 0 0 0

3 0 0 0

350030004000

FLOOR PLAN

C1

C1

C1C2C2

C2 C3 C3 C1

C3C3C2

C2 C2 C2

C2


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BASE

STOREY-1

STOREY-2

STOREY-3

STOREY-5

STOREY-

STOREY-!

STOREY-10

A

4 4

B C

4 4

D

4000 3000 3500

BOTTOM HEI"HT=2000 ##

TYPICAL STOREY=3000 ##

STEP BY STEP PROCEURE:


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STEP 1: (Creation of geometry)

4$en ETABS 2rogram.

Sele!t units N. mm.



No. of lines in X ire!tion 9'

No. of lines in # ire!tion 9%

S$a!ing in X ire!tion 9 '&&& mmS$a!ing in y ire!tion 9 3&&& mm

8niform Grid S$a!ing

(li! Edit Grid

X Grid ata

Grid0

4rdinate


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idth -" 9"3&mm

(li! reinfor!ement

Sele!t Beam

(on!rete !o;er to rebar !enter To$ 9"% mm

Bottom 9"%mm 4 4.


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0n the same manner define other beams B" and 2B.

efine (olumn:Add =e!tangular se!tion Name 9(

)aterial name 9 )"%imensions :

e$th -3 9'1&mm

>idth -" 9"3&mm

(li! reinfor!ementSele!t (olumn

Sele!t =e!tangular

Ties =e!tangular

(o;er 9 '& mm

Bar si,e 9"& d

(orner bar 9"&d =einfor!ement to be designed 4 4.

0n the same manner define !olumn ("-"3&x%3& and (3 -"3&x1&&.

efine Slab:*rom )ain menu define >all?Slab ?e! se!tion Add Ne5 slab

Se!tion name 9 S)aterial name 9 )"&.

)embrane

)embrane 9"% mm Bending 9"%mm

Sele!t )embrane 4 4.

STEP %: (ra&ing Beam"' Colmn" an Sla*")ra5ing Beams:*rom )ain menu ra5 ra5 line ob@e!ts (reate lines in region

2ro$erty 9 Sele!t reuired beam si,e B

(li! or Sele!t the beam B in 2lan ;ie5 -


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ra5ing Slab:*rom )ain menu ra5 ra5 area ob@e!ts (reate areas at !li! -ra5

areas -2lan 2ro$erty 9S (li! on the $eri$hery of !olumn @oints and

$ress enter ->ith similar storey o$tion.

Note:

To ;ie5 the assigned beam in $lan

Sele!t Set Building 4b@e!ts on to$ of Tool bar.

Sele!t


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STEP .: (efining /oa")

.Gra;ity


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=e$la!e existing loads

*or!es Global 9& 7n 4.

". >ind


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As $er 0S /C3"&&" "%K of


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Sele!ting esign e !an sele!t;arious o$tions:

Summary *lexural details

Shear details et!.

En;elo$e 4.


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To ie5 the K of steel on beams and !olumns

*rom )ain menu esign (on!rete *rame esign is$lay design

information sele!t esign out$ut9rebarK 4.

Example 3:

No. of bays in X ire!tion : '

No. of bays in # ire!tion : 3S$a!ing in X ire!tion : %&&&

S$a!ing in # ire!tion : '&&&Ty$i!al Storey height : 3"&&

Basement height : 3"&&

(on!rete Grade : )"%Steel Grade : *y'%

(olumn Si,es : 3&& x '%&

Beam : 3&&x '%&

Slab Thi!ness : "&mm


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STEP BY STEP PROCEURE:

STEP 1: (Creation of geometry)

4$en the ETABS 2rogram.

Set the units of the model in the dro$ do5n box in the lo5er right hand!orner of ETABS 5indo5 6 !li! the dro$ do5n box to set units in 7n.m.



No. of lines in X ire!tion 9%No. of lines in # ire!tion 9'

S$a!ing in X ire!tion 9 %mS$a!ing in y ire!tion 9 'm

Sim$le Grid ata

No. of stories 9%

Ty$i!al Storey eight 93."mBottom storey height 93."m

Sele!t Grid only button 47.

Note: #ou !an !hange Grid s$a!ing by !hoosing (ustom Grid s$a!ing6 for!olumn ;arying s$a!ing then !li! Edit Grid you !an also !hange any storey

height by !hoose (ustom Storey ata6 then !li! on Edit Storey ata.

Go to )ain menu Edit Storey data Edit Storey.

GridNo.


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(hange units N.mm.

STEP 5: (e"ign Preferen$e $oe)*rom )ain menu 4$tions 2referen!es (on!rete *rame design

esign !ode 90ndian 0S'%1"&&&. 4.

STEP 3: (efine !aterial Propertie")

*rom )ain menu efine )aterial 2ro$erty Add ne5 material

)aterial Name 9)"%(on!rete !ubi! !om$. strength f! 9"%Bending =einfor!ement yield strength fy 9'%

Shear =einfor!ement yield strength fy 9'% 4 4.

STEP 6: (efine #rame "e$tion)efine Beam:

*rom )ain menu efine *rame se!tion Add re!tangular )aterial

name 9)"% -sele!t Se!tion Name9B3&&x'%&.

imensions:

e$th -3 9&.'%m>idth -" 9&.3&m

(li! reinfor!ement

Sele!t Beam

(on!rete !o;er to rebar !enter To$ 9 &.&'m-9"%+/+1?"9' mm

Bottom 9'mm 4 4.

efine (olumn:

Add =e!tangular se!tion Name 9(3&&x'%&.

)aterial name 9 )"%

imensions :

e$th -3 9&.3m>idth -" 9&.'%m

(li! reinfor!ement

Sele!t (olumn

Sele!t =e!tangular

Ties =e!tangular

(o;er to rebar !entre9 &.&%1 -'&+/+1?"9%1mm


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Bar si,e 91 d

(orner bar 91 d

=einfor!ement to be designed 4 4.

efine Slab:*rom )ain menu define >all?Slab ?e! se!tion Add Ne5 slab

Se!tion name 9 S

)aterial name 9 )"%. )embrane

)embrane 9&."& m

Bending 9&."%mSele!t )embrane 4 4.

STEP +: (ra&ing Beam"' Colmn" an Sla*")

ra5ing Beams:

*rom )ain menu ra5 ra5 line ob@e!ts (reate lines in regions or at

!li!s-$lan6Ele;.63

2ro$erty 9 Sele!t reuired beam si,e B3&&x'%&

(li! or Sele!t the beam B3&&x'%& in 2lan ;ie5 -


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Extrusion 4.

To ;ie5 the rendered ;ie5

Set Building ;ie5 ob@e!ts on to$ of Tool bar


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8niform load

ind ind6 earth uae.Built in o$tion 5ill automati!ally !al!ulate lateral loads as $er a;ailable

design !odes.

efine 5ind load $arameters as $er 0S /H% 2art 3 -C/H*rom )ain menu efine Stati!


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(reating dummy areas 5ith $ro$erty 9None

Set reuired ele;ation ;ie5 in right 5indo5 *rom )ain menu ra5

ra5 area ob@e!ts ra5 re!tangular areas 2ro$erty 9 None

(li! on the $erimeter of area and $ress enter.

*oot Note: A$$ly 5ind load for sele!tions.

To sele!t 5ind area

)ain menu Sele!t By area ob@e!t ty$e sele!t none 4.

Assigning 5ind loads

Sele!t dra5ing area of reuired ele;ation *rom )ain menu

Assign Shell?area loads >ind 2ressure !oeffi!ients

>ind load !ase name 9>ind X(oeffi!ient ($9 -(hange if reuired 4.

To see 5ind load sele!tion

Set Building ;ie5 o$tion

Area se!tion


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Sele!t 2rogram !al! $er !ode 9&.1 -!hange as $er reuirement 4

4.

Assigning ia$hragmsSet all storey o$tion and sele!t all slabs *rom )ain menu Assign

Shell area ia$hragms 4.

efine Earthuae


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STEP 1 : (Rnning t4e e"ign Pro$e"")

*rom )ain menu esign (on!rete frame design Start esign?

(he! of Stru!ture esign results 5ill be dis$layed on the model.

Gra$hi!al out$ut:

A!ti;ate 3 ;ie5 in right 5indo5 by !li!ing title bar Set ele;ation ;ie5

9 *rom )ain menu is$lay Sho5 member for!e?Stresses diagrams

*rame?2ier?S$andrel for!es Sele!t any load !ase say < +


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ETABSExtended Three dimensional Analysis for Building System

PPPPPPPP

S#


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2oint ob@e!t assignments.


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ETABS T7PS

8888810 Analy"i" option" :

ETABS has many analysis o$tion 5hi!h in!ludes

2 delta analysis . ynami! analysis

Eigen ;e!tors analysis. =it, ;e!tors analysis.


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merge areas.

Doint lines? Doining sele!ted beams or sele!ted !olumns.

60 Text ;rap4i$al otpt :To ;ie5 loads :

*rom )ain menu is$lay Sho5 loads *rame ?


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ETABS CABAB7/7T7ES

o (onstru!tion seuen!e analysis.

o 2ush o;er analysis.

o Shear 5all design.

o


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-Staad also uses )atrix method of stru!tural analysis *EA for

$lates.

o 3 rendering in ETABS:

Go to ;ie5 menu Sele!t set building ;ie5 o$tions. 0n first !olumn

button6 !he! Extrusion and ob@e!t fill.

isad;antages :

ETABS !an not generate floor loads. #ou ha;e to model slabs as $lateelement mesh it and a$$ly floor loads on it.


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4000 3000 3500

3 0 0 0

4 0 0 0

2 8 0 0

3 2 0 0

A B C D

1

2

3

4

5

B2

B2

B2

B2

B1 B1

B1

B2 B2

B2

B1B1

B2 B2 B2

B1 B1 B1

B1 B1

B2

B1

B2

NO$ OF FLOORS: 10BEAMS:

B1 = 230 X 330

B2 = 230 X 460


COLUMN:

C2 = 230 X 530

C1 = 230 X 460

C3 = 230 X 600

FLOOR PLAN UP TO FOURTH STOREY

X

Y

C1

C1 C1 C1

C1C2 C2 C2

C1C2 C3 C3

C3 C3

C2C2C2

C2 C2


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Y

X

C3 = 230 X 600

C1 = 230 X 460

C2 = 230 X 530

COLUMN:


B2 = 230 X 460

B1 = 230 X 330

BEAMS:

B2

B1

B2

B1B1

B1B1B1

B2B2B2

B1 B1

B2

B2B2

B1

B1B1

B2

B2

B2

B2

5

4

3

2

1

DCB A

3 2 0 0

2 8 0 0

4 0 0 0

3 0 0 0

350030004000

FLOOR PLAN ABO%E FOURTH STOREY

C1

C1

C1C2C2

C2 C3 C3 C1

C3C3C2

C2 C2 C2

C2


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BASE

STOREY-1

STOREY-2

STOREY-3

STOREY-5

STOREY-

STOREY-!

STOREY-10

A

4 4

B C

4 4

D

4000 3000 3500

BOTTOM HEI"HT=2000 ##

TYPICAL STOREY=3000 ##

etabs example-1

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