ETABS Extended
Three dimensional Analysis for Building System ********
SYLABUS: 1. Introd Introdut ution ion ! "odeli "odeling ng : #Introdution # $%&ets # Tem'lates # (loor Information # "odeling ) geometry . "aterial ! setion +ro'erties : # "aterial +ro'erties # Setion 'ro'erties # ,all)Sla%)-e setions. /. -ra0 and o'tions : #-ra0ing of 'oint line and area o%&ets. # 2eferene lines and +lanes. 3 . 4ie0 seletion ! $'tions : # 4ie0 "anagement # $%&et seletion # $'tions and +referenes. 5. Assignment ##Strutural o'tions : # +oint o%&et assignments. # Line o%&et assignments. # Area o%&et assignments. 6. Assignment 7 Loads # Load ases# -ead loads)Line loads) ,ind loads) Earth8uae loads. # Load 9om%inations # Load assignment. . Analysis : # Analysis o'tions . # Analysis log. ;. Text Text !
=. Editing o'tion : # 9ut 9o'y and +aste. # 2e'liate. # (rame and area meshing. # +oint and line extrusion. 1>. Text Text in'ut and (ile Ex'ort ) Im'ort : # Text Text in'ut file # Ex'ort o'tions # Im'ort o'tions. 11. 9onrete -esign using Indian 9ode IS 356# >>>: # -esign of onrete %eams and olumns. # -esign of Shear ,alls and lintels. # -esign of 9om'osite Beam. 1. Steel -esign using IS ;>>#>> : # -esign of Steel mem%ers. # $'timi?ation o'tions.
****
ETABS CABABILITIES o o o o o
o o o
o
o o o
o o o
o o
o
9onstrution se8uene analysis. +ush o@er analysis. Shear 0all design. Li@e load redution for u''er floors. Earth8uae fores an %e a''lied in anu angle not &ust and Y aloneC "odeling ta'ered onrete %eams. (loor load for irregular 'anels that is easy to do. -esign of olumns 0ith ross setion of any ar%itary sha'e inluding Y L DC -ia'hragm ation.0ith earth8uae loads and 0ind loads automatially a''lied on the dia'hragm entreC Automati lum'ing of masses for earth8uae . 9hoie of Eigen or 2it? @etor for 2es'onse s'etrum analysis. Auto alulation of %eam reinforements %ased on moments at olumn fae rather than at olumn entre line and olumn reinforements %ased on moments at %eam soffit rather than at %eam entre line. 2igid +anel ?one modifier. modifier. (aility for design as 'er IS 1/=> -utile drtailingC Additional soft0are for foundation design es'eially mat SA(E soft0areC. ot su''ort for slo'ing roofs. ETABS ETABS uses matrix method of strutural analysis. Staad also uses "atrix "atrix method of strutural analysis ! (EA for 'lates. /- rendering in ETABS:
ETABS TIPS ***** 1. Analysis options : ETABS has many analysis o'tion 0hih inludes # + delta analysis . # -ynami analysis # Eigen @etors analysis. # 2it? @etors analysis. # Linear analysis. # on linear analysis. # Stati on linear analysis. # 9onstrution se8uene analysis. . Locking and unlocking the model : (rom "ain menu $'tion Lo model ) unlo 9he model : Before running analysis use he model to ensure that o%&ets do not o@erla' and that o%&ets are onneted. (rom "ain menu Analysis 9he model #### . Editing the model : Edit edit grid data. edit storey data. edit referene 'lane. edit referene line. Add model from tem'late - frame or /- frameC. merge areas. Hoint lines) Hoining seleted %eams or seleted olumns. !. Te"t# $%aphical output : To @ie0 loads : (rom "ain menu -is'lay Sho0 loads (rame )Line ### To @ie0 design info : (rom "ain menu -esign 9onrete frame design -is'lay design info. To @ie0 other Ta%les : (rom "ain menu -is'lay Sho0 Ta%les Selet re8uired %oxes. Ex'orting the files : (rom "ain menu (ile Ex'ort Sa@e model as eta%s.e text file lie a Staad editor file C ,e an also ex'ort to SA+ or SA(E or Exell data %ase or .dxf file.
Im'orting the file : (rom "ain menu (ile Im'ort ETABS.e. Text file or Staad file or Struds. $'tions)+referenes: (rom "ain menu $'tion +referenes 9onrete frame design Selet ode and other 'arametersC # Shear 0all design # 2einforement)%ar si?es add ne0 dias or modify existingC # Li@e load redution. Auto sa@ing the model : (rom "ain menu $'tion Auto sa@e model set time $. Loads : 9om%ination of existing loads # En@elo'e of om%inations.
To dra0 9olumn or %eam to re8uired loation : There is no mo@e ommand here. Set sna' grid on and dra0 olumn or %eam any 0here 0e 0ant. To dra0 seondary %eam at re8uired distane Set 'lan @ie0 to re8uired floor in left 0indo0 2ight li on the sreen not on the sla%C +lan fine grid s'aing +lan fine grid s'aing 5>> sayC $. (rom "ain menu -ra0 Sna' to (ine
ETABS Extended
Three dimensional Analysis for Building System
E"ample 1: o. of stories o. of %ays in -iretion o. of %ays in Y -iretion S'aing in -iretion S'aing in Y -iretion Ty'ial Storey height Basement height 9onrete
:
> : 35>> : />>> : >>> : "> : (y315 : /> x />> : />x /;> : />x 36> : />x //> : />x 3>6 : />x/>> : 15mm
C1
B1
4
0 0 5 4
2 B
C2
2 B
B1
3
0 0 5 4
C3
2 B
2 B
B1
0 0 5 4
C3
2 B
2 B
B1 C1
2 B
C2
2 B
B1
C2
1
C2
2 B
B1 C2
3500
A
C1
B1
C2
2
B1
C1 3500
B
C
BEAMS:
COLUMN:
B1 = 230 X 330
C1 = 230 X 300
B2 = 230 X 406
C2 = 230 X 380 C3 = 230 X 460
PLINTH BEAM - PB 230 X 300
STOREY-5 0 0 0 3
STOREY-4
B1
B1
B1
B1
B1
B1
PB1
PB1
0 0 0 3
STOREY-3 0 0 0 3
STOREY-2 0 0 0 3
STOREY-1
BASE
0 0 0 2
BEAMS: B1 = 230 X 330 B2 = 230 X 406 PLINTH BEAM - PB 230 X 300
STEP B& STEP P'(CE)'E: STEP 1: C%eation o+ geomet%y,
COLUMN: C1 = 230 X 300 C2 = 230 X 380 C3 = 230 X 460
$'en ETABS +rogram. Set the units of the model in the dro' do0n %ox in the lo0er right hand orner of ETABS 0indo0 li the dro' do0n %ox to set units in . mm. (rom "ain menu (ile e0 "odel Selet o. Building +an > mm S'aing in y -iretion 35>> mm Sim'le
o. of stories 5 Ty'ial Storey Jeight />>> mm Bottom storey height >>> mm Selet
La%el Storey Storey Storey Storey Storey Base
5 3 / 1
Jeight
Ele@ation
/>>> />>> />>> />>> >>>
13>>> 11>>> ;>>> 5>>> >>> >
"aster Storey Yes o o o o
Similar to
Storey 5 Storey 5 Storey 5 one
9hange units .mm.
STEP -: e+ine /ate%ial P%ope%ties,
S'ie 'oint o o o o o
S'ie height > > > > >
(rom "ain menu -efine "aterial +ro'erty Add ne0 material "aterial ame "> 9onrete u%i om'. strength f > Bending 2einforement yield strength fy 315 Shear 2einforement yield strength fy 315 $ $. STEP : e+ine 0%ame section, -efine Beam: (rom "ain menu -efine (rame setion Add retangular "aterial name "> seletC Setion ameB1 -imensions: -e'th /C //>mm ,idth C />mm 9li reinforement Selet Beam 9onrete o@er to re%ar enter To' 31 mm lear o@er5mmCDstirru' dia ;mmCD-ia. $f rod) 16)C Bottom 31mm $ $. In the same manner define other %eams B and +B. -efine 9olumn: Add 2etangular setion ame 91 "aterial name "> -imensions : -e'th /C //>mm ,idth C />mm 9li reinforement Selet 9olumn Selet 2etangular Ties 2etangular 9o@er 56 mm lear o@er3>mmCD-ia of stirru's;mmCD-ia. $f rod ) 16)CC Bar si?e 16 d 9orner %ar 16 d 2einforement to %e designed $ $. In the same manner define olumn 9 and 9/. -efine Sla%: (rom "ain menu define ,all)Sla% )-e setion Add e0 sla% Setion name S1 "aterial name ">. "em%rane "em%rane 15 mm Bending 15mm
Selet "em%rane $ $. STEP : %a2ing Beams3 Columns and Sla4s, -ra0ing Beams: (rom "ain menu -ra0 -ra0 line o%&ets 9reate lines in region +ro'erty # Selet re8uired %eam si?e B1 9li or Selet the %eam B1 in +lan @ie0 Left 0indo0C 0ith similar storey o'tionC and selet all %eam B1. 9hange +ro'erty Beam B si?e and li on %eam B 0ith Similar storey o'tionC Selet +linth %eam +ro'erty +B and selet all +linth %eams in Storey 1 in 'lan @ie0 Left ,indo0C 0ith one storey o'tion 9lose. -ra0ing 9olumns: (rom "ain menu -ra0 -ra0 line o%&ets 9reate olumn in region +ro'erty 91 Selet or 9li on the olumn &oints in +lan @ie0 Left 0indo0C 0ith similar storey o'tion. If neessary hange angle => 9hange +ro'erty 9 and 9/ and li on res'eti@e olumn &oints 9lose. -ra0ing Sla%: (rom "ain menu -ra0 -ra0 area o%&ets 9reate areas at li -ra0 areasC +lanC +ro'erty S1 9li on the 'eri'hery of olumn &oints and 'ress enter ,ith similar storey o'tionC. ote: To @ie0 the assigned %eam in 'lan Selet Set Building $%&ets on to' of Tool %ar. Selet Line setions under o%&et @ie0 o'tions. $.
To @ie0 the rendered @ie0 Set Building @ie0 o%&ets on to' of Tool %ar Line setion.
S'eial Effets: $%&et (ill Extrusion A''ly to all 0indo0s $.
STEP 5:Assigning Suppo%t Condition, Set Base floor +lan @ie0 in left 0indo0 Set 9olumn 'oints 0ith mouseC (rom "ain menu Assign Hoint)+oint 2estraints su''ortsC Selet (ixed $. To @ie0 Su''ort assigned (rom to' Tool %ar Set Building @ie0 o'tion 6isi4le in 7ie2 Su''orts $. Add e0 Load $. Load ,all Ty'e -ead Self 0eight multi'lier > Add e0 Load $. ote: (or Self 0eight multi'lier 0ill %e 1 for %eams and olumns of dead load. (or all other loads it 0ill %e ?ero. Assigning the Loads: Ati@ate left 0indo0 and set to +lan @ie0 Ati@ate or selet similar storey o'tion at %ottomC and selet all sla%s (rom "ain menu Assign Shell ) Area loads Uniform Load ase name S-L Uniform load Load 1.5> Kn)m units Kn.mC -iretion Kn)m units Kn.mC -iretion
In left side 0indo0 selet all outer %eams in to' floor %y setting similar storey o'tions and @ie0 the status %ar to no0 no. of %eams seleted (rom "ain menu Assign (rame )Line loads -istri%uted Load ase name 0all. Unit Kn.m (ores -iretion Kn $. . ,ind Loads : In ETABS there are t0o 0ays to define lateral loads ,ind earth 8uaeC. Built in o'tion 0ill automatially alulate lateral loads as 'er a@aila%le design odes. -efine 0ind load 'arameters as 'er IS ;5 ##+art / 1=;C (rom "ain menu -efine Stati Load ases Load or Y Ty'e ,ind Self 0eight multi'lier > Auto Lateral load IS ;51=; Add e0 Load Selet 0ind load and li on modify lateral loads to s'eify re8uired 0ind load 'arameter. As 'er IS ;5 $ $. 9reating dummy areas 0ith 'ro'erty one Set re8uired ele@ation @ie0 in right 0indo0 (rom "ain menu -ra0 -ra0 area o%&ets -ra0 retangular areas +ro'erty one 9li on the 'erimeter of area and 'ress enter. (oot ote: A''ly 0ind load for seletions. To selet 0ind area "ain menu Selet By area o%&et ty'e selet none $. Assigning 0ind loads Selet dra0ing area of re8uired ele@ation (rom "ain menu Assign Shell)area loads ,ind +ressure oeffiients
,ind load ase name ,ind 9oeffiient 9' # 9hange if re8uiredC $. To see 0ind load seletion Set Building @ie0 o'tion Area setion Line setion $. .Earth8uae Analysis In %uilding sla% is onsidered as single rigid mem%er during earth8uae analysis. Selet left side 0indo0. Selet all sla%s %y setting all floors) similar storey o'tion (rom "ain menu -efine -ia'hragms Selet -1 "odify) Sho0 dia'hragms Selet 2igid $ $. -efine "ass Soure As 'er IS 1;=/##M>> 5N of Li@e load is onsidered on all floors of %uilding. (rom "ain menu -efine "ass soure selet (rom Loads Load -eadO "ulti'lier ##M1.> Add Load Li@eO "ulti'lier >.5 Add Load S-LO "ulti'lier 1.> Add Load ,allO "ulti'lier 1.> Add $. -efine Earth8uae Load Stati "ethodC (rom "ain menu -efine Stati Load ases Load EP Ty'e Puae -efault "ulti'lier > Auto Lateral load IS 1;=/>> Add e0 Load Selet the load 2P "odify lateral load If re8uired hange @alues as 'er IS 1;=/ Selet -iretion Selet +rogram al 'er ode >.16 hange as 'er re8uirementC $ $. Assigning -ia'hragms Set all storey o'tion and selet all sla%s (rom "ain menu Assign Shell area -ia'hragms -1 $. To @ie0 the -ia'hragm
(rom "ain menu $'tions +referenes 9onrete (rame -esign ode Indian IS 356#>>>. $. -efining Load 9om%ination (rom "ain menu -efine Load 9om%inations Add e0 Load 9om%ination ame -LDLL Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton Add e0 Load 9om% Load 9om%ination ame -LD,L Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton Add e0 Load 9om% Load 9om%ination ame -LDEP Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton $ $.
Load 9om% -L and LL %y
-L and ,L %y
-L and EP %y
Seleting -esign Load i.e. -LDLLC (rom "ain menu -esign 9onrete (rame design Selet design om% Selet our om%ination load from the list Add $. STEP : Analysis, (rom "ain menu Analysis 2un analysis. After om'leting 'roess the model automatially dis'laes deformed sha'e @ie0 and the model is loed you annot do any hanges C. STEP 1; : 'unning the esign P%ocess, (rom "ain menu -esign 9onrete frame design Start -esign) 9he of Struture -esign results 0ill %e dis'layed on the model.
'unning the esign P%ocess (rom "ain menu -esign 9onrete (rame -esign start design )9he of Struture -esign results 0ill %e dis'layed in the model. Set to Ele@ation @ie01 in right 0indo0 2einforement area 0ill %e dis'layed on the frame. 2ight li on any %eam or olumn. ,e an selet @arious o'tions: # Summary # (lexural details # Shear details et. # En@elo'e $. 4ie0 the N of steel on %eams and olumns (rom "ain menu -esign 9onrete (rame -esign -is'lay design information selet -esign out'utre%arN $.
E"ample - : o. of stories o. of %ays in -iretion o. of %ays in Y -iretion S'aing in -iretion S'aing in Y -iretion Ty'ial Storey height Basement height 9onrete
: 1> :3 :5 : 35>> : />>> : />>> : >>> : "> for %eams ! "5 for 9olumns : (y315 : /> x 36> : />x 5/> : />x6>> : />x 3>6 : />x /;> : />x/>>
Sla%
Thiness
: 15mm
Y
B1
5
C2 0 0 2 3
B1 C2
C2
B2 B2
B2 B1
4
B1
B1
B1
B2 B1
B1 C2 0 0 0 3
C1
C3
B2
2
B2 B1
C3
C2
C2
B2
B2
B2
3
0 0 0 4
B1 C3
C3
C2 0 0 8 2
B2
C2
B2
C1
B2
C1
B1
1
X C1
3000
4000 A
B
3500 C
D
FLOOR PLAN BEAMS:
COLUMN:
B1 = 230 X 330
C1 = 230 X 460
B2 = 230 X 460
C2 = 230 X 530
PLINTH BEAM - PB 230 X 380
C3 = 230 X 600
A
B
C
D
4 STOREY-10
4
4
4
STOREY-!
STOREY-
STOREY-5
STOREY-3
STOREY-2
STOREY-1
BASE 4000
3000
3500
BOTTOM HEI"HT=2000 ## TYPICAL STOREY=3000 ##
STEP B& STEP P'(CE)'E: STEP 1: C%eation o+ geomet%y,
$'en ETABS +rogram. Selet units
. mm.
(rom "ain menu (ile e0 "odel Selet o. Building +an >> mm S'aing in y -iretion />>> mm Uniform B 3>>> 9 >>> 1>5>> Y />>> / 1>> 3 ==>> 5 1/1>>
Line ty'e @isi%ility +rimary +rimary +rimary +rimary
Sho0 Sho0 Sho0 Sho0
Line ty'e @isi%ility +rimary +rimary +rimary +rimary +rimary
Sho0 Sho0 Sho0 Sho0 Sho0
Bu%%le loation To' To' To' To'
Bu%%le loation Left Left Left Left Left
$.
Storey dimension: o. of storeys :1> Ty'ial storey height :/>>> Bottom storey height :>>>
Le@el 11 1> = ; 6 5 3 / 1
Storey Storey Storey Storey Storey Storey Storey Storey Storey Storey Base
Jeight 1> = ; 6 5 3 / 1
/>>> />>> />>> />>> />>> />>> />>> />>> />>> >>> ##
Ele@ation "aster storey =>>> Yes 6>>> o />>> o >>>> o 1>>> o 13>>> o 11>>> o ;>>> o 5>>> o >>> o >
Similar storey ## Storey 1> Storey 1> Storey 1> Storey 1> Storey 1> Storey 1> Storey 1> Storey 1> one
S'lie S'lie 'oint height o > o > o > o > o > o > o > o > o > o >
$.
9hange units .mm. Selet
STEP -: e+ine /ate%ial P%ope%ties, (rom "ain menu -efine "aterial +ro'erty Add ne0 material "aterial ame "5 9onrete u%i om'. strength f 5 Bending 2einforement yield strength fy 315 Shear 2einforement yield strength fy 315 $ $. Similarly -efine "> onrete for %eam. STEP : e+ine 0%ame section, -efine Beam: (rom "ain menu -efine (rame setion Add retangular "aterial name "> seletC Setion ameB1 -imensions: -e'th /C 3>6mm ,idth C />mm 9li reinforement Selet Beam 9onrete o@er to re%ar enter To' 31 mm Bottom 31mm $ $.
In the same manner define other %eams B and +B. -efine 9olumn: Add 2etangular setion ame 91 "aterial name "5 -imensions : -e'th /C 36>mm ,idth C />mm 9li reinforement Selet 9olumn Selet 2etangular Ties 2etangular 9o@er 5; mm Bar si?e > d 9orner %ar >d 2einforement to %e designed $ $. In the same manner define olumn 9/>x5/>C and 9/ />x6>>C. -efine Sla%: (rom "ain menu define ,all)Sla% )-e setion Add e0 sla% Setion name S1 "aterial name ">. "em%rane "em%rane 15 mm Bending 15mm Selet "em%rane $ $. STEP : %a2ing Beams3 Columns and Sla4s, -ra0ing Beams: (rom "ain menu -ra0 -ra0 line o%&ets 9reate lines in region +ro'erty # Selet re8uired %eam si?e B1 9li or Selet the %eam B1 in +lan @ie0 Left 0indo0C 0ith similar storey o'tionC and selet all %eam B1. 9hange +ro'erty Beam B si?e and li on %eam B 0ith Similar storey o'tionC Selet +linth %eam +ro'erty +B and selet all +linth %eams in Storey 1 in 'lan @ie0 Left ,indo0C 0ith one storey o'tion 9lose. -ra0ing 9olumns: (rom "ain menu -ra0 -ra0 line o%&ets 9reate olumn in region +ro'erty 91 Selet or 9li on the olumn &oints in +lan @ie0 Left 0indo0C 0ith similar storey o'tion. If neessary hange angle => 9hange +ro'erty 9 and 9/ and li on res'eti@e olumn &oints 9lose.
-ra0ing Sla%: (rom "ain menu -ra0 -ra0 area o%&ets 9reate areas at li -ra0 areasC +lanC +ro'erty S1 9li on the 'eri'hery of olumn &oints and 'ress enter ,ith similar storey o'tionC.
ote: To @ie0 the assigned %eam in 'lan Selet Set Building $%&ets on to' of Tool %ar. Selet Line setions under o%&et @ie0 o'tions. S'eial effets: $%&et (ill Extrusion $.
To @ie0 the rendered @ie0 Set Building @ie0 o%&ets on to' of Tool %ar Line setion.
S'eial Effets: $%&et (ill Extrusion A''ly to all 0indo0s $.
STEP 5:Assigning Suppo%t Condition, Set Base floor +lan @ie0 in left 0indo0 Set 9olumn 'oints 0ith mouseC (rom "ain menu Assign Hoint)+oint 2estraints su''ortsC Selet (ixed $. To @ie0 Su''ort assigned (rom to' Tool %ar Set Building @ie0 o'tion 6isi4le in 7ie2 Su''orts $.
1. Add e0 Load $. Load ,all Ty'e -ead Self 0eight multi'lier > Add e0 Load $. Assigning the Loads: Ati@ate left 0indo0 and set to +lan @ie0 Ati@ate or selet similar storey o'tion at %ottomC and selet all sla%s (rom "ain menu Assign Shell ) Area loads Uniform Load ase name S-L Uniform load Load 1.5> Kn)m units Kn.mC -iretion Kn)m units Kn.mC -iretion Kn $.
. ,ind Loads : -efine 0ind load 'arameters as 'er IS ;5 ##+art / 1=;C (rom "ain menu -efine Stati Load ases Load or Y Ty'e ,ind Self 0eight multi'lier > Auto Lateral load IS ;51=; Add e0 Load Selet 0ind load and li on modify lateral loads to s'eify re8uired 0ind load 'arameter. As 'er IS ;5 $ $. 9reating dummy areas 0ith +ro'erty one. Set re8uired ele@ation @ie0 in right 0indo0 (rom "ain menu -ra0 -ra0 area o%&ets -ra0 retangular areas +ro'erty one 9li on the 'erimeter of area and 'ress enter. (oot ote: A''ly 0ind load for seletions. To selet 0ind area "ain menu Selet By area o%&et ty'e selet none $. Assigning 0ind loads Selet dra0ing area of re8uired ele@ation (rom "ain menu Assign Shell)area loads ,ind +ressure oeffiients ,ind load ase name ,ind 9oeffiient 9' # 9hange if re8uiredC $. To see 0ind load seletion Set Building @ie0 o'tion Area setion Line setion $.
.Earth8uae Analysis Selet left side 0indo0. Selet all sla%s %y setting all floors) similar storey o'tion (rom "ain menu -efine -ia'hragms Selet -1 "odify) Sho0 dia'hragms Selet 2igid $ $. -efine "ass Soure
As 'er IS 1;=/##>> 5N of Li@e load is onsidered on all floors of %uilding. (rom "ain menu -efine "ass soure selet (rom Loads Load -eadO "ulti'lier ##M1.> Add Load Li@eO "ulti'lier >.5 Add Load S-LO "ulti'lier 1.> Add Load ,allO "ulti'lier 1.> Add $. -efine Earth8uae Load Stati "ethodC (rom "ain menu -efine Stati Load ases Load EP Ty'e Puae -efault "ulti'lier > Auto Lateral load IS 1;=/>> Add e0 Load Selet the load 2P "odify lateral load If re8uired hange @alues as 'er IS 1;=/ Selet -iretion Selet +rogram al 'er ode >.16 hange as 'er re8uirementC $ $. Assigning -ia'hragms Set all storey o'tion and selet all sla%s (rom "ain menu Assign Shell area -ia'hragms -1 $. To @ie0 the -ia'hragm >>. $. -efining Load 9om%ination (rom "ain menu -efine Load 9om%inations Add e0 Load 9om%ination ame -LDLL Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton Add e0 Load 9om% Load 9om%ination ame -LD,L Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton Add e0 Load 9om% Load 9om%ination ame -LDEP Load 9om%ination ty'e Add 9hange sale fator 1.5 for liing add %utton $ $.
Load 9om% -L and LL %y
-L and ,L %y
-L and EP %y
Seleting -esign Load i.e. -LDLLC (rom "ain menu -esign 9onrete (rame design Selet design om% Selet our om%ination load from the list Add $. STEP : Analysis, (rom "ain menu Analysis 2un analysis. After om'leting 'roess the model automatially dis'laes deformed sha'e @ie0 and the model is loed you annot do any hanges C. STEP 1; : 'unning the esign P%ocess, (rom "ain menu -esign 9onrete frame design Start -esign) 9he of Struture -esign results 0ill %e dis'layed on the model.
# # # #
Summary (lexural details Shear details et. En@elo'e $.
To 4ie0 the N of steel on %eams and olumns (rom "ain menu -esign 9onrete (rame -esign -is'lay design information selet -esign out'utre%arN $.
E"ample : o. of %ays in -iretion o. of %ays in Y -iretion S'aing in -iretion S'aing in Y -iretion Ty'ial Storey height Basement height 9onrete
: 3 :/ : 5>>> : 3>>> : />> : />> : "5 : (y315 : />> x 35> : />>x 35>
Thiness
: 1>mm
STEP B& STEP P'(CE)'E: STEP 1: C%eation o+ geomet%y, $'en the ETABS +rogram. Set the units of the model in the dro' do0n %ox in the lo0er right hand orner of ETABS 0indo0 li the dro' do0n %ox to set units in Kn.m. (rom "ain menu (ile e0 "odel Selet o. Building +an
Sim'le
o. of stories 5 Ty'ial Storey Jeight /.m Bottom storey height /.m Selet
La%el Storey Storey Storey Storey Storey Base
Jeight 5 3 / 1
/. /. /. /. /.
Ele@ation 16 1.6 =.6 6.3 /. >
"aster Storey Yes o o o o
Similar to
Storey 5 Storey 5 Storey 5 one
S'ie 'oint o o o o o
S'ie height > > > > >
9hange units .mm.
STEP -: esign P%e+e%ence code, (rom "ain menu $'tions +referenes 9onrete (rame design -esign ode Indian IS356#>>>. $.
STEP : e+ine /ate%ial P%ope%ties, (rom "ain menu -efine "aterial +ro'erty Add ne0 material "aterial ame "5 9onrete u%i om'. strength f 5 Bending 2einforement yield strength fy 315 Shear 2einforement yield strength fy 315 $ $. STEP !: e+ine 0%ame section, -efine Beam:
(rom "ain menu -efine (rame setion Add retangular "aterial name "5 seletC Setion ameB/>>x35>. -imensions: -e'th /C >.35m ,idth C >./>m 9li reinforement Selet Beam 9onrete o@er to re%ar enter To' >.>31m5D;D16)31 mmC Bottom 31mm $ $. -efine 9olumn: Add 2etangular setion ame 9/>>x35>. "aterial name "5 -imensions : -e'th /C >./m ,idth C >.35m 9li reinforement Selet 9olumn Selet 2etangular Ties 2etangular 9o@er to re%ar entre >.>56 3>D;D16)56mmC Bar si?e 16 d 9orner %ar 16 d 2einforement to %e designed $ $. -efine Sla%: (rom "ain menu define ,all)Sla% )-e setion Add e0 sla% Setion name S1 "aterial name "5. "em%rane "em%rane >.1> m Bending >.15m Selet "em%rane $ $. STEP 5: %a2ing Beams3 Columns and Sla4s, -ra0ing Beams: (rom "ain menu -ra0 -ra0 line o%&ets 9reate lines in regions or at lis'lanEle@./-C +ro'erty # Selet re8uired %eam si?e B/>>x35> 9li or Selet the %eam B/>>x35> in +lan @ie0 Left 0indo0C 0ith similar storey o'tionC and selet all %eam B/>>x35>. 9lose. -ra0ing 9olumns:
(rom "ain menu -ra0 -ra0 line o%&ets 9reate olumn in region or lis'lanC +ro'erty 9/>>x35> Selet or 9li on the olumn &oints in +lan @ie0 Left 0indo0C 0ith similar storey o'tion. If neessary hange angle => 9lose. -ra0ing Sla%: (rom "ain menu -ra0 -ra0 area o%&ets 9reate areas at li or li +lan [email protected] +lanC +ro'erty S1> 9li on the 'eri'hery of olumn &oints and 'ress enter ,ith similar storey o'tionC. ote: To @ie0 the assigned %eam in 'lan Selet Set Building $%&ets on to' of Tool %ar. Selet Line setions under o%&et @ie0 o'tions. $.
To @ie0 the rendered @ie0 Set Building @ie0 o%&ets on to' of Tool %ar Line setion.
S'eial Effets: $%&et (ill Extrusion A''ly to all 0indo0s $.
STEP 8:Assigning Suppo%t Condition, Set Base floor +lan @ie0 in left 0indo0 Set 9olumn 'oints 0ith mouseC (rom "ain menu Assign Hoint)+oint 2estraints su''ortsC Selet (ixed $. To @ie0 Su''ort assigned (rom to' Tool %ar Set Building @ie0 o'tion 6isi4le in 7ie2 Su''orts $.
(rom "ain menu -efine Stati Load 9ases Load S-L Su'er Im'osed -ead LoadC Ty'e -ead Self 0eight multi'lier > Add e0 Load $. Load ,all Ty'e -ead Self 0eight multi'lier > Add e0 Load $. ote: (or Self 0eight multi'lier 0ill %e 1 for %eams and olumns of dead load. (or all other loads it 0ill %e ?ero. Assigning the Loads: Ati@ate left 0indo0 and set to +lan @ie0 Ati@ate or selet similar storey o'tion at %ottomC and selet all sla%s (rom "ain menu Assign Shell ) Area loads Uniform Load ase name S-L Uniform load Load 1.5> Kn)m units Kn.mC -iretion Kn)m units Kn.mC -iretion
Load ase name -ead. (ores Kn 2e'lae existing loads $.
Units Kn.m.
. ,ind Loads : In ETABS there are t0o 0ays to define lateral loads ,ind earth 8uaeC. Built in o'tion 0ill automatially alulate lateral loads as 'er a@aila%le design odes. -efine 0ind load 'arameters as 'er IS ;5 ##+art / 1=;C (rom "ain menu -efine Stati Load ases Load or Y Ty'e ,ind Self 0eight multi'lier > Auto Lateral load IS ;51=; Add e0 Load Selet 0ind load and li on modify lateral loads to s'eify re8uired 0ind load 'arameter. As 'er IS ;5 $ $. 9reating dummy areas 0ith 'ro'erty one Set re8uired ele@ation @ie0 in right 0indo0 (rom "ain menu -ra0 -ra0 area o%&ets -ra0 retangular areas +ro'erty one 9li on the 'erimeter of area and 'ress enter. (oot ote: A''ly 0ind load for seletions. To selet 0ind area "ain menu Selet By area o%&et ty'e selet none $. Assigning 0ind loads Selet dra0ing area of re8uired ele@ation (rom "ain menu Assign Shell)area loads ,ind +ressure oeffiients ,ind load ase name ,ind 9oeffiient 9' # 9hange if re8uiredC $. To see 0ind load seletion Set Building @ie0 o'tion Area setion Line setion $. . Earth8uae Analysis In %uilding sla% is onsidered as single rigid mem%er during earth8uae analysis. Selet left side 0indo0. Selet all sla%s %y setting all floors) similar storey o'tion (rom "ain menu -efine -ia'hragms Selet -1 "odify) Sho0 dia'hragms Selet 2igid $ $.
-efine "ass Soure As 'er IS 1;=/##>> 5N of Li@e load is onsidered on all floors of %uilding. (rom "ain menu -efine "ass soure selet (rom Loads Load -eadO "ulti'lier ##1.> Add Load Li@eO "ulti'lier >.5 Add Load S-LO "ulti'lier 1.> Add Load ,allO "ulti'lier 1.> Add $. -efine Earth8uae Load Stati "ethodC (rom "ain menu -efine Stati Load ases Load EP Ty'e Puae -efault "ulti'lier > Auto Lateral load IS 1;=/>> Add e0 Load Selet the load EP "odify lateral load If re8uired hange @alues as 'er IS 1;=/ Selet -iretion Selet +rogram al 'er ode >.16 hange as 'er re8uirementC $ $. Assigning -ia'hragms Set all storey o'tion and selet all sla%s (rom "ain menu Assign Shell area -ia'hragms -1 $. -efine Earth8uae Load 2es'onse S'etrum or -ynami methodC (rom "ain menu -efine 2es'onse S'etrum (untions IS 1;=/ #>> selet IS 1;=/#>>S'etrum $. Selet IS1;=/ "odify)Sho0 S'etrum S'etrum ase name IS1;=/ -am'ing >.>5 "odal om%ination 9P9 -ireted 9om%ination S2SS (untion name1;=/O (untion dam'ing ration>.>5 Seismi ?one fator ?>.16 O Soil ty'e 1 $. To @ie0 the -ia'hragm >>. $. -efining Load 9om%ination (rom "ain menu -efine Load 9om%inations Add e0 Load 9om% Load 9om%ination ame -LDLL
Load 9om%ination ty'e Add 9hange sale fator 1.5 for -L and LL %y liing add %utton Add e0 Load 9om% Load 9om%ination ame -LD,L Load 9om%ination ty'e Add 9hange sale fator 1.5 for -L and ,L %y liing add %utton Add e0 Load 9om% Load 9om%ination ame -LDEP Load 9om%ination ty'e Add 9hange sale fator 1.5 for -L and EP %y liing add %utton $ $. Seleting -esign Load i.e. -LDLLC (rom "ain menu -esign 9onrete (rame design Selet design om% Selet our om%ination load from the list Add $. STEP : Analysis, (rom "ain menu Analysis 2un analysis. After om'leting 'roess the model automatially dis'laes deformed sha'e @ie0 and the model is loed you annot do any hanges C. STEP 1; : 'unning the esign P%ocess, (rom "ain menu -esign 9onrete frame design Start -esign) 9he of Struture -esign results 0ill %e dis'layed on the model.
To lear the dis'lay: Ati@ate right 0indo0 (rom "ain menu -is'lay Sho0 un deformed sha'e 9li on /- %utton from to' tool %ar to dis'lay /- @ie0. To @ie0 reinforement detail: 'unning the esign P%ocess (rom "ain menu -esign 9onrete (rame -esign start design )9he of Struture -esign results 0ill %e dis'layed in the model.
Set to Ele@ation @ie01 in right 0indo0 2einforement area 0ill %e dis'layed on the frame. 2ight li on any %eam or olumn. ,e an selet @arious o'tions: # Summary # (lexural details # Shear details et. # En@elo'e $. 4ie0 the N of steel on %eams and olumns (rom "ain menu -esign 9onrete (rame -esign -is'lay design information selet -esign out'utre%ar 'erentage $.