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I HC S PHM K THUT THNH PH H CH MINHKHOA XY DNG V C HC NG DNG

B MN XY DNG

THC TP NG DNG TIN HC

TRONG XY DNG

BIN SON: L PHNG BNH

TP H Ch Minh , thang 03 nam 2010

http://nguyensonbkpro.blogtiengviet.net

MC LC

A. Hng dn s dng ETABS 8.48 thng qua cc v d:

1. V d 1: ...................................................................................................Trang: 012. V d 2: ...................................................................................................Trang: 123. V d 3: ...................................................................................................Trang: 274. V d 4: ...................................................................................................Trang: 415. V d 5: ...................................................................................................Trang: 586. V d 6: ...................................................................................................Trang: 817. V d 7: .................................................................................................Trang: 113

B. Tnh ton ni lc cho bn sn BTCT dng phn mm SAFE 8.061. V d 1: .................................................................................................Trang: 142


ETABS


Bi tp ETABS cn bn Bin son : L Phng Bnh

TT Tin hc trong xy dng Lu hnh ni b Trang:1

V D 1Tnh ton ni lc cho khung chu ti trng nh hnh v. Lc phn b q l tnh ti, lc tp trung

P1 l hot ti, lc tp trung P2 l ti trng gi. Vt liu b tng c cp bn B20 (#250),7 22.7 10 /E kN m , 325 /kN m , 2.0 .

1. Khi ng ETABST trnh n Start > Programs > ETABS 8 > ETABS hoc nhp p ln biu tng ca

ETABS trn mn hnh nn Windows.

2. Chn n v kN-m3. Khi to m hnh

3m 3m

3m

P1 = 50 kN

q = 20kN/mP2 = 10 kN

20x3

0cm

20x40cm20

x30c

m




T Menu File > New Model hoc nhp chut vo biu tng . Hp thai New ModelInitialization xut hin.




4. Lu file

T Menu File > Save hoc nhp chut vo biu tng . Hp thoi Save Model File As chophp chn th mc lu v t tn file.

5. nh ngha c trng vt liu

T Menu Define > Material Properties hoc nhp chut vo biu tng . Hp thoi DefineMaterials xut hin.

6. nh ngha tit din

T Menu Define > Frame Sections hoc nhp chut vo biu tng trn thanh cng c.Hp thoi Define Frame Properties xut hin.

7. nh ngha cc trng hp ti trng :

T Menu Define > Static Load Cases hoc nhp chut vo biu tng trn thanh cng cHp thoi Define Static Load Case Names xut hin..




8. nh ngha cc t hp ti trng :

T Menu Define > Load Combinations hoc nhp chut vo biu tng trn thanh cng cHp thoi Define Load Combinations xut hin.

9. Xy dng m hnhT Menu Draw > Draw Line Objects > Draw Lines in Region or at Clicks (Plan, Elev, 3D)

hoc nhp chut vo biu tng .




T Menu Draw > Draw Line Objects > Create Columns in Region or at Clicks (Plan) hocnhp chut vo biu tng .

Chn View > Set Building View Options hoc nhp chut vo biu tng Hp thoi Set BuidingView Options cho php thit lp cc ty chn hin th khc nhau.

Mun hin th mt ng, chn View > Set Elevation View hoc nhp chut vo biu tng .Hp thoi Set Elevation View cho php la chn mt ng cn hin th. Nhp chut vo hai biu tng

di chuyn qua li gia cc mt ng .




Mun hin th mt bng, chn View > Set Plan View hoc nhp chut vo biu tng . Hpthoi Set Plan View cho php la chn mt bng cn hin th. Nhp chut vo hai biu tng di chuyn qua li gia cc mt bng.

10. Khai bo iu kin lin kt vi t:Hin th mt ng, chn cc im cn gn iu kin lin kt vi t. Chn Assign > Joint/Point

> Restrains (Supports) hoc nhp chut vo biu tng . Hp thoi Assign Restrains xut hin .




11. Khai bo ti trng :Khai bo TT: Chn dm cn khai bo ti trng, sau chn Assign > Frame/Line Loads >

Distributed hoc nhp chut vo biu tng Hp thoi Frame Distributed Loads xut hin.

Khai bo HT: Chn dm cn khai bo ti trng, sau chn Assign > Frame/Line Loads >

Point hoc nhp chut vo biu tng Hp thoi Frame Point Loads xut hin .




Khai bo GIO: Chn im cn khai bo ti trng, sau chn Assign > Joint/Point Loads >

Force hoc nhp chut vo biu tng Hp thoi Point Forces xut hin.

12. T ng nh li nhn tt c cc i tng :T Menu Edit > Auto Relabel All Hp thoi Etabs.

13. Phn tch:T Menu Analyze > Set Analysis Options Hp thoi Analysis Options. Chn XZ Plane.

Chn Analyze > Run Analysis hoc nhp chut vo biu tng




14. Xem kt qa bin dng, chuyn v:

T Menu Display > Show Deformed Shape hoc nhp chut vo biu tng . Hp thoiDeformed Shape xut hin.




15. Xem kt qa ni lc:T Menu Display > Show Member Forces/Stress Diagram > Frame/Pier/Spandrel Forces

hoc nhp chut vo hp th xung v chn Frame/Pier/Spandrel Forces Hp thoi MemberForce Diagram for Frames xut hin.

16. Xem kt qa phn lc:T Menu Display > Show Member Forces/Stress Diagram > Support/Spring Reactions hoc nhp

chut vo hp th xung v chn Support/Spring Reactions.




17. Xut file kt qu:T Menu File > Print Tables > Analysis Output Hp thoi Print Output Tables.




V DU 2

Tnh toan noi lc cho khung 3 tang co kch thc va chu tai trong nh hnh ve. Trong o q la tnh

tai, P la hoat tai, P1 la tai gio. Vat lieu be tong co cap o ben B20 (#250), 7 22.7 10 /E kN m ,325 /kN m , 2.0 .




1. Khi ong ETABS :

T trnh n Start > Programs > ETABS 8 > ETABS hoac nhap up len bieu tng cua ETABS

tren man hnh nen Windows.

2. Chon n v kN-m

3. Khi tao mo hnh :

Chon File > New Model hoac nhap chuot vao bieu tng Hop thoai New ModelInitialization.




Hieu chnh d lieu tang: Chon Custom Story data

4. Lu file :

Chon File > Save hoac nhap chuot vao bieu tng Hop thoai Save Model File As cho phepchon th muc e lu va at ten file.




5. nh ngha ac trng vat lieu :

Chon Define > Material Properties hoac nhap chuot vao bieu tng Hop thoai DefineMaterials.

6. nh ngha tiet dien :

nh ngha tiet dien dam, cot: Define > Frame Sections hoac nhap chuot vao bieu tng tren thanh

cong cu Hop thoai Define Frame Properties.




7. nh ngha cac trng hp tai trong :

Chon Define > Static Load Cases hoac nhap chuot vao bieu tng tren thanh cong cu Hopthoai Define Static Load Case Names.

8. nh ngha cac to hp tai trong :

Define > Load Combinations hoac nhap chuot vao bieu tng tren thanh cong cu Hop thoaiDefine Load Combinations.

9. Xay dng mo hnh :

Chon Similar stories

Chon Draw > Draw Line Objects > Draw Lines in Region or at Clicks (Plan, Elev, 3D) hoac

nhap chuot vao bieu tng .




Chon Draw > Draw Line Objects > Create Columns in Region or at Clicks (Plan) hoac nhap

chuot vao bieu tng .

10. Khai bao ieu kien lien ket vi at :

Di chuyen xuong mat bang di cung, chon tat ca cac iem. Chon Assign > Joint/Point > Restrains

(Supports) hoac nhap chuot vao bieu tng Hop thoai Assign Restrains.




11. Khai bao tai trong :

Khai bo TT: Chn dm cn khai bo ti trng, sau chn Assign > Frame/Line Loads >

Distributed hoc nhp chut vo biu tng Hp thoi Frame Distributed Loads xut hin.




Khai bo HT: Chn im cn khai bo ti trng, sau chn Assign > Joint/Point Loads >





Khai bo ti GIO: Chn im cn khai bo ti trng, sau chn Assign > Joint/Point Loads >





12. Khai bao so mat cat a ra ket qua noi lc cua oi tng ng :

M che o hien th cot, nhap chuot vao bieu tng e chon tat ca cac oi tng ng, sau o

chon Assign > Frame/Line > Frame Output Stations hoac nhap chuot vao bieu tng Hop thoaiAssign Output Station Spacing.

13. T ong anh lai nhan tat ca cac oi tng :

Chon Edit > Auto Relabel All Hop thoai Etabs.

14. Phn tch:T Menu Analyze > Set Analysis Options Hp thoi Analysis Options. Chn XZ Plane.

Chn Analyze > Run Analysis hoc nhp chut vo biu tng




Kt qu sau khi phn tch ni lc

15. Xem kt qa bin dng, chuyn v:

T Menu Display > Show Deformed Shape hoc nhp chut vo biu tng . Hp thoiDeformed Shape xut hin.




16. Xem kt qa ni lc:T Menu Display > Show Member Forces/Stress Diagram > Frame/Pier/Spandrel Forces

hoc nhp chut vo hp th xung v chn Frame/Pier/Spandrel Forces Hp thoi MemberForce Diagram for Frames xut hin.




17. Xem kt qa phn lc:T Menu Display > Show Member Forces/Stress Diagram > Support/Spring Reactions hoc nhp

chut vo hp th xung v chn Support/Spring Reactions.




18. Xut file kt qu:T Menu File > Print Tables > Analysis Output Hp thoi Print Output Tables.




V DU 3

Tnh toan noi lc nha 3 tang co kch thc mat bang nh hnh ve. Tang 1 va 2 cao 4m, tang 3 cao

3.2m. Tiet dien cot 20x30cm, tiet dien dam 20x40cm. Vat lieu be tong cap o ben B20 (#250),7 22.7 10 /E kN m , 325 /kN m , 2.0 . Tnh tai phan bo eu tren tat ca cac dam 20kN/m, hoat tai

phan bo eu tren tat ca cac dam 10kN/m, tai gio la cac lc tap trung tac dung tai cac nut truc 1 theo chieu

dng truc Y va co gia tr 5kN.

1. Khi ong ETABS






2. Chon n v kN-m

3. Khi tao mo hnh





4. Lu file :





5. nh ngha ac trng vat lieu:



Chon Define > Frame Sections hoac nhap chuot vao bieu tng tren thanh cong cu Hopthoai Define Frame Properties.








9. Xay dng mo hnh :

Chon Similar Stories.










Tat che o hien th cot bang cach chon View > Set Building View Options hoac nhap chuot vao

bieu tng Hop thoai Set Buiding View Options. Trong hop thoai Set Buiding View Options bodau chon hien th cot (Column).

Khai bao TT: Di chuyen len mat bang tang 1, 2 hoac 3, chon tat ca cac dam tren mat bang (chu y

ang che o Similar Stories), sau o chon Assign > Frame/Line Loads > Distributed hoac nhap chuot

vao bieu tng Hop thoai Frame Distributed Loads.




Khai bao HT: Chon tat ca cac dam tren mat bang, sau o chon Assign > Frame/Line Loads >

Distributed hoac nhap chuot vao bieu tng Hop thoai Frame Distributed Loads.

Khai bao GIO: M che o hien th cot, chuyen qua mat ng truc 1. Chon tat ca cac iem tren cac

tang 1, 2 va 3, sau o chon Assign > Joint/Point Loads > Force hoac nhap chuot vao bieu tng Hop thoai Point Forces.






13. Phan tch :

Chon Analyze > Run Analysis hoac nhap chuot vao bieu tng .

14. Xem ket qua bien dang, chuyen v :

Chon Display > Show Deformed Shape hoac nhap chuot vao bieu tng Hop thoaiDeformed Shape.




15. Xem ket qua noi lc :

Chon Display > Show Member Forces/Stress Diagram > Frame/Pier/Spandrel Forces hoac nhap

chuot vao hop tha xuong va chon Frame/Pier/Spandrel Forces Hop thoai Member ForceDiagram for Frames. Di chuyen qua lai gia cac mat ng va chon xem ket qua noi lc cho cac trng

hp tai, to hp tai khac nhau.

16. Xem ket qua phan lc:

Di chuyen xuong mat bang di cung. Chon Display > Show Member Forces/Stress Diagram >

Support/Spring Reactions hoac nhap chuot vao hop tha xuong va chon Support/Spring

Reactions.




17. Xuat file ket qua:

Chon File > Print Tables > Analysis Output Hop thoai Print Output Tables.




V DU 4

Tnh toan noi lc cho khung san khong gian 3 tang co kch thc nh hnh ve, chieu cao tang di

cung la 4m, cac tang tren cao 3.2m. Tiet dien cot 30x30cm, tiet dien dam 25x50cm, san be tong day 10cm.

Vat lieu be tong co cap o ben B20 (#250), 7 22.7 10 /E kN m , 325 /kN m , 2.0 . Tnh tai tnh toanphan bo eu tren san 1.5kN/m2, hoat tai tnh toan phan bo eu tren san 2.4kN/m2, gia thiet tng day

100mm c xay tren tat ca cac dm, tai trong gio tac dung len dam bien vi gia tr gio ay la 2.38 kN/m,

gio hut la 1.78 kN/m.

1. Khi ong ETABS :






2. Chon n v kN-m

3. Khi tao mo hnh :






Hieu chnh he li: Chon Custom Grid Spacing

Sau khi khi tao he li




4. Lu file :










nh ngha tiet dien san: Define > Wall/Slab/Deck Sections hoac nhap chuot vao bieu tng Hop thoai Define Wall/Slab/Deck Sections.








9. Xay dng mo hnh :









Chon Draw > Draw Lines (Plan, Elev, 3D) hoac nhap chuot vao bieu tng , lan lt ve haidam phu.

Chon Draw > Draw Area Objects > Create Areas at Click (Plan, Elev) hoac nhap chuot vao bieu

tng ve cac san.




Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options chon Object Fill va Aplly to All

Windows.

10. Xac lap t ong chia nho oi tng vung :

Nhap chuot vao bieu tng e chon tat ca cac oi tng vung, chon Assign > Shell/Areas >

Areas Object Mesh Options Hop thoai Areas Object Auto Mesh Options.




Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options chon Auto Area Mesh va Aplly to All

Windows.

Chon hai iem nh hnh ve, chon Edit > Edit Grid Data > Add Grid at Selected Points hopthoai Add Grid Lines at Selected Point, trong hop thoai chon Parallel to Y.










Khai bao TT phan bo eu len dam: Di chuyen len mat bang tang 1, 2 hoac 3, chon cac dam can

khai bao tai trong (chu y ang che o Similar Stories). Chon Assign > Frame/Lines Loads >

Distributes hoac nhap chuot vao bieu tng Hop thoai Frames Distributes Loads.




Khai bao TT phan bo eu len san: Di chuyen len mat bang tang 1, 2 hoac 3, chon cac san can khai

bao tai trong (chu y ang che o Similar Stories). Chon Assign > Shell/Areas Loads > Uniform hoac

nhap chuot vao bieu tng Hop thoai Uniform Surface Loads.

Khai bao HT: Chon cac san can khai bao tai trong, chon Assign > Shell/Areas Loads > Uniform

hoac nhap chuot vao bieu tng Hop thoai Uniform Surface Loads.




Khai bao GXD: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line

Loads > Distributed hoac nhap chuot vao bieu tng Hop thoai Frame Distributed Loads




Khai bao GXA: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line





Khai bao GYD: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line





Khai bao GYA : e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line










15. Phan tch :

Chon Analyze > Run Analysis hoac nhap chuot vao bieu tng




16. Xem ket qua noi lc trong dm ct :

Chn khung cn xem ni lc sau :

Chon Display > Show Member Forces/Stress Diagram > Shell Stresses/Forces hoac nhap chuot

vao hop tha xuong va chon Frame/Pier/Spandrel Force Hop thoai Members Froce DiaphragmFor Frames xut hin.

17. Xem ket qua ng suat va noi lc trong san :


vao hop tha xuong va chon Shell Stresses/Forces Hop thoai Element Force/Stress Contoursfor Shells.


Bi tp ETABS cn bn Bin son: L Phng Bnh


V DU 5Cng trnh 3 tng, htng1 = 4 m, htng2-3 = 3.2 m c MB kt cu nh hnh v: Vt liu Kch thc tit din s b

B tng B20, b = 25 kN/m, E = 2.7107 kN/m, = 0.2

Ct bxby = 250x250 mm, Sn hs = 100 mm,Dm chnh bh = 200400 mm, dm ph bh = 200300 mm

2. Ti tc dng vo cng trnh:Tnh ti tnh ton : 1.5 kN/m2 (cc lp hon thin) phn b u ln snHat ti tnh ton : 2.4 kN/m2 phn b u ln snGi thit tng dy 100mm c xy trn tt c cc dm.Ti gi tnh: Ti gi phn b u vo cc dm bin n gi

Gi y 2.38 kN/m, gi ht 1.78 kN/m

Yu cu: Phn tch ni lc cho khung sn khng gian 3 tng bng phn mm tnh ton ktcu ETABS.




1. Khi ong ETABS :



2. Chon n v kN-m

3. Khi tao mo hnh :






4. Lu file :









9. Xay dng mo hnh :

Add thm nt cho h li :

Chon Draw > Draw point Objects hoac nhap chuot vao bieu tng .




V h dm chnh ( h dm theo trc li) :Chon Similar Stories.



Chn cc dm d tha nhn nt Delete




V h dm ph ( h dm theo trc li) :

Chon Draw > Draw Line Objects > Draw Lines (Plan, Elev, 3D) hoac nhap vao bieu tng .

V h ct :Chon Draw > Draw Line Objects > Create Columns in Region or at Clicks (Plan) hoac nhap





V h sn :Chon Draw > Draw Area Objects > Create Areas at Click (Plan, Elev) hoac nhap chuot vao bieu

tng ve cac san.




Chn Draw > Draw Area Objects > Draw Rectangular Ereas (Plan, Elev) hoac nhap chuot vao

bieu tng v cac san con li.


Windows.







Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options chon Auto Area Mesh va Aplly to All

Windows.

Chon iem nh hnh ben di , chon Edit > Edit Grid Data > Add Grid at Selected Points hopthoai Add Grid Lines at Selected Point, trong hop thoai chon Parallel to X .




Chon san va hai iem nh hnh ben di , chon Edit > Mesh Ereas , trong hop thoai chon nh hnh

ben di .



11. Khai bao Diaphragm:

Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options bo chon Column(line) va Aplly to All

Windows e tat hien th cot.

Quet chon tat ca dam san, vao Menu Assign > Shell/Areas > Rigrid Diaphragm hop thoai Asign

Diaphragm xuat hien.





Khai bao TT phan bo eu tren san: Di chuyen len mat bang tang 1, 2 hoac 3, chon cac san can khai

bao tai trong (chu y ang che o Similar Stories). Chon Assign > Shell/Areas Loads > Uniform hoac

nhap chuot vao bieu tng Hop thoai Uniform Surface Loads.




Khai bao HT: Chon cac san can khai bao tai trong, chon Assign > Shell/Areas Loads > Uniform

hoac nhap chuot vao bieu tng Hop thoai Uniform Surface Loads.

Khai bao TT phan bo eu len dam: Di chuyen len mat bang tang 1, 2 hoac 3, chon cac dam can

khai bao tai trong (chu y ang che o Similar Stories). Chon Assign > Frame/Lines Loads >

Distributes hoac nhap chuot vao bieu tng Hop thoai Frames Distributes Loads.




Khai bao GXD: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line





Khai bao GXA: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line





Khai bao GYD: e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line





Khai bao GYA : e che o Similar Stories chon cac dam nh hnh. Chon Assign > Frame/Line










16. Phan tch :





17. Xem ket qua noi lc trong dm ct :







Reactions.




19. Xem ket qua ng suat va noi lc trong san :


vao hop tha xuong va chon Shell Stresses/Forces Hop thoai Element Force/Stress Contoursfor Shells.

18. Xuat File ket qua :





V DU 6

Xac nh tan so dao ong rieng va tnh toan noi lc cho cong trnh 15 tang, chieu cao tang di cung

la 4m, cac tang tren cao 3.2m. Tiet dien cot 60x60cm, tiet dien dam 25x60cm, san be tong day 12cm, vach

cng day 30cm. Hoat tai toan phan tnh toan phan bo eu tren san 2.4kN/m2 , tnh tai tnh toan phan bo eu

tren san 1.5kN/m2, gia thiet tng day 200mm c xay tren tat ca cac dam, tai trong gio tac dung c

xac nh theo TCVN 2737-1995 co Wo=0.83kN/m2, a hnh B .Vat lieu be tong co cap o ben B22.5

(#300), 7 22.9 10 /E kN m , 325 /kN m , 2.0 . Yeu cau phan tch cong trnh bang phan mem ETABS.




1. Khi ong ETABS :



2. Chon n v kN-m

3. Khi tao mo hnh :






4. Lu file :







9. Xay dng mo hnh :

Chon Draw > Draw Point Objects hoac nhap chuot vao bieu tng , sau o chon iem 5A nh

hnh.

Tien hanh tng t cho cac iem con lai, ket qua thu c nh sau:




Add them he li phu. Chon cac iem can add them he li sau o chon Edit > Edit Grid data >

add Grid at Selected point




Tng t cho phng con lai.

Thiet lap che o Similar Story:




V h ct :Thiet lap che o Similar Story:







V he vach :

Chon Draw > Draw Area Objects > Draw Wall (Plan) hoac nhap chuot vao bieu tng ve cacvach.

Chon Edit > Edit Reference Planes -> hop thoai Edit Reference Planes. Add vao 2 mat phang thamchieu co cao o 2.2m va 6.2m.

Chuyen qua mat ng truc 3, chon Draw > Draw Area Objects > Create Areas at Click (Plan, Elev).Lan lt ve cac vach cng tang 1 va 2 nh hnh ve.




Chon phan vach nh hnh ve sau o vao Edit > Replicate -> hop thoai Replicate xuat hien, chon cac tangt 3 en 15.

V h dm chnh ( h dm theo trc li) :Chon Similar Stories. Chon Draw > Draw Line Objects > Draw Lines in Region or at Clicks

(Plan, Elev, 3D) hoac nhap chuot vao bieu tng .




Lan lt quet chon bao quanh cac v tr li can ve dam (hnh minh hoa ben di)

V he san :Chon Similar Stories.Chn Draw > Draw Area Objects > Draw Ereas (Plan, Elev, 3D) hoac nhap chuot vao bieu tng

v san . Lan lt chon cac iem A_1; A_5; D_5; D_1




V he san Opening :Chn Draw > Draw Area Objects > Draw Ereas (Plan, Elev, 3D)


Windows.





Khai bao TT phan bo eu tren san: Chon cac san can khai bao tai trong vao Select > by

Wall/Slab/Deck Section > S12. Chon Assign > Shell/Areas Loads > Uniform hoac nhap chuot vao bieu

tng Hop thoai Uniform Surface Loads.

Khai bao HT phan bo eu tren san: Chon cac san can khai bao tai trong vao Select > by






Khai bao tai tng (TT) phan bo eu tren dam: Chon cac dam can khai bao tai trong vao Select >

by Frame Section chon D25x60 .

Chon Assign > Frame line Loads > Distributed hoac nhap chuot vao bieu tng Hop thoaiFrame Distributed Loads.





Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options bo chon Column(line), Wall va Aplly

to All Windows e tat hien th cot, vach.








Areas Object Mesh Options Hop thoai Areas Object Auto Mesh Options.Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai Set

Buiding View Options. Trong hop thoai Set Buiding View Options chon Auto Area Mesh va Aplly to All

Windows.




13. Khai bao Mass Source:

Chon Define > Mass source Hop thoai Define mass Source.









16. Phan tch e lay tang so dao ong va dang mode dao ong:





17. Xac nh tang so dao ong rieng va cac dang dao ong:

Vao Display > Show table Hop thoai Choose Table for display. Chon Modal InformationSau o lan lt chon cac thong so sau:

Modal participation factor.

Lu y : chu ky dao ong co n v la giay (s)Building Modes




Lu y : Luc nay dch chuyen khong co n vCenter Mass Rigidity

Lu y : Luc nay n v cua mass la kN_s2/m

Cac dang dao ong rieng cua cong trnh:




18. Tnh toan tai trong gio tac dung vao cong trnh theo TCVN 2737-1995:




19. Gan tai trong gio tac dung vao cong trnh:

Click vao bieu tng e gan tai trong gio tac dung vao cong trnh.

Define > Static Load Cases.

Gan tai gio tac dung theo phng X:

Lu y: Can chu y en toa o tac dung cua tai trong gio




Gan tai gio tac dung theo phng Y:





20. Khai bao Pier cho vach :

Chon vach can khai bao Pier :

Vao Assign > Shell / Area > Pier Label

Tng t tien hanh khai bao Pier cho vach con lai.




21. Khai bao Spandrel Label cho vach :

Chon vach can khai bao Spandrel : Vao Assign > Shell / Area > Spandrel Label







23. Phan tch mo hnh:


24. Xem ket qua noi lc trong phan t dm ct :







25. Xem ket qua noi lc trong phan t vach :







Reactions.






V DU 7

Mot cong trnh dan dung gom 15 tang va 1 tang ham. Gia thiet tng gach xay tren tat ca cac dam,

tng day 200mm, chieu cao cua tang la 3.5m, tang ham la 3m.Chon s bo kch thc tiet dien san day

15cm, kch thc dam chnh DC30x60, dam phu DP25x45. Cot t Base en Story 3 la 80x80cm, Story 4

en Story 6 la 70x70cm, Story 7 en Story 9 la 60x60cm, Story 10 en Story 12 la 50x50cm, Story 13 en

Story 16 la 40x40cm. Cot truc 1_C va 5_C t Base en Story 16 la 30x30cm, vach day 25cm. Hoat tai toan

phan tnh toan phan bo eu tren san 2.4kN/m2 , tnh tai tnh toan phan bo eu tren san 1.5kN/m2 , tai trong

gio tac dung c xac nh theo TCVN 2737-1995 co Wo=0.83kN/m2, a hnh B .Vat lieu be tong co cap

o ben B22.5 (#300), 7 22.9 10 /E kN m , 325 /kN m , 2.0 . Yeu cau phan tch cong trnh bang phanmem ETABS.




1. Khi ong ETABS :



2. Chon n v kN-m

3. Khi tao mo hnh :






4. Lu file :







9. Xay dng mo hnh :

Thiet lap che o Similar Story:

V h dm chnh ( h dm theo trc li) :Chon Similar Stories.



Lan lt quet chon bao quanh cac v tr li can ve dam (hnh minh hoa ben di)




V h dm ph ( h dm theo trc li) :

Chon Draw > Draw Line Objects > Draw Lines (Plan, Elev, 3D) hoac nhap vao bieu tng .




V h ct :Thiet lap che o Similar Story:


Vao View > Set Plan View hoac nhap chuot vao bieu tng chon Story1






Di chuyen len mat bang tang 4 sau o chon C70x70





V he vach :Thiet lap che o Similar Story:





Chon Draw > Draw Area Objects > Draw Wall (Plan) hoac nhap chuot vao bieu tng ve cacvach.




Chon Edit > Edit Reference Planes -> hop thoai Edit Reference Planes. Add vao 2 mat phang thamchieu co cao o 2.2m va 5.2m.

Chuyen qua mat ng truc 4, chon Draw > Draw Area Objects > Create Areas at Click (Plan, Elev).Lan lt ve cac vach cng tang 1 va 2 nh hnh ve.

V he san :Chon Similar Stories.




Chn Draw > Draw Area Objects > Draw Ereas (Plan, Elev, 3D) hoac nhap chuot vao bieu tng

v san . Lan lt chon cac iem A_1; A_9; I_9; I_1

V he san Opening :Chn Draw > Draw Area Objects > Draw Ereas (Plan, Elev, 3D) hoac nhap chuot vao bieu tng

v san . Lan lt chon cac iem D_3; D_4; F_4; F_3 va D_6; D_7; F_6; F_7





Windows.


Khai bao TT phan bo eu tren san: Chon cac san can khai bao tai trong vao Select > by






Khai bao HT phan bo eu tren san: Chon cac san can khai bao tai trong vao Select > by



Khai bao tai tng (TT) phan bo eu tren dam: Chon cac dam can khai bao tai trong vao Select >

by Frame Section chon D25x40 va D30x60 .

Chon Assign > Frame line Loads > Distributed hoac nhap chuot vao bieu tng Hop thoaiFrame Distributed Loads.





Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai SetBuiding View Options. Trong hop thoai Set Buiding View Options bo chon Column(line), Wall va Aplly

to All Windows e tat hien th cot, vach.








Areas Object Mesh Options Hop thoai Areas Object Auto Mesh Options.Chon View > Set Building View Options hoac nhap chuot vao bieu tng Hop thoai Set

Buiding View Options. Trong hop thoai Set Buiding View Options chon Auto Area Mesh va Aplly to All

Windows.




12. Khai bao Mass Source:

Chon Define > Mass source Hop thoai Define mass Source.









15. Phan tch e lay tang so dao ong va dang mode dao ong:


16. Xac nh tang so dao ong rieng va cac dang dao ong:

Vao Display > Show table Hop thoai Choose Table for display. Chon Modal InformationSau o lan lt chon cac thong so sau:




Modal participation factor.

Lu y : chu ky dao ong co n v la giay (s)

Building Modes

Lu y : Luc nay dch chuyen khong co n v




Center Mass Rigidity

Lu y : Luc nay n v cua mass la kN_s2/m

Cac dang dao ong rieng cua cong trnh:

Mode 1:




Mode 2:

Mode 3:




Mode 4:

Mode 5:




Mode 6:

17. Tnh toan tai trong gio tac dung vao cong trnh theo TCVN 2737-1995:

Kch ThcNha

Gia trtieu chuan

thanhphan tnh

Wj(kN/m2)

Gia tr tieu chuan thanhphan ong XWPX (kN/m2)

Gia tr tieu chuan thanhphan ong YWPY (kN/m2)

Tong tai toanphan

tnh toan(kN)Ten Tang

Chieu cao tngtang(m)

Khoilngtang

DaiL(m)

RongB(m)

CaooZj

(m)

c=0.8 c=0.6 Dang 1 Dang 2 Dang 3 Dang 1 Dang 2 Dang 3 Fx Fy

STORY2 3.5 1017.1 30.0 24.0 3.5 0.676 0.507 0.042 0.036 123.4 153.5STORY3 3.5 1002.3 30.0 24.0 7.0 0.730 0.547 0.083 0.076 137.1 170.6STORY4 3.5 989.19 30.0 24.0 10.5 0.764 0.573 0.143 0.116 149.2 183.1STORY5 3.5 989.19 30.0 24.0 14.0 0.798 0.599 0.204 0.168 161.4 197.2STORY6 3.5 976.43 30.0 24.0 17.5 0.832 0.624 0.269 0.223 173.9 211.6STORY7 3.5 965.24 30.0 24.0 21.0 0.862 0.646 0.332 0.277 185.5 225.0STORY8 3.5 965.24 30.0 24.0 24.5 0.880 0.660 0.405 0.339 196.2 236.9STORY9 3.5 954.44 30.0 24.0 28.0 0.899 0.674 0.473 0.397 206.3 248.3STORY10 3.5 945.21 30.0 24.0 31.5 0.916 0.687 0.540 0.454 216.0 259.1STORY11 3.5 945.21 30.0 24.0 35.0 0.930 0.697 0.612 0.515 225.6 269.9STORY12 3.5 936.38 30.0 24.0 38.5 0.944 0.708 0.671 0.571 234.0 279.9STORY13 3.5 929.11 30.0 24.0 42.0 0.955 0.716 0.736 0.626 242.6 289.4STORY14 3.5 929.11 30.0 24.0 45.5 0.964 0.723 0.800 0.680 250.7 298.3STORY15 3.5 929.11 30.0 24.0 49.0 0.973 0.730 0.857 0.735 258.1 307.2STORY16 3.5 592.63 30.0 24.0 52.5 0.983 0.737 0.584 0.503 116.1 140.1

18. Gan tai trong gio tac dung vao cong trnh:

Click vao bieu tng e gan tai trong gio tac dung vao cong trnh.




Define > Static Load Cases.

Gan tai gio tac dung theo phng X:





Gan tai gio tac dung theo phng Y:





19. Khai bao Pier cho vach :

Chon vach can khai bao Pier :

Vao assign > shell/area > Pier label Hop thoai Pier Names xuat hien, chon P1 nhan OK




Tng t tien hanh khai bao Pier cho vach con lai




Vao assign > shell/area > Pier label Hop thoai Pier Names xuat hien, chon P2 nhan OKhttp://nguyensonbkpro.blogtiengviet.net



20. Khai bao Spandrel Label cho vach :

Chon vach can khai bao Spandrel : Vao Assign > Shell / Area > Spandrel Label







22. Phan tch mo hnh:


23. Xem ket qua noi lc trong phan t dm ct :







24. Xem ket qua noi lc trong phan t vach :







Reactions.




SAFE


Bi tp SAFE cn bn Bin son L Phng Bnh


V D 1Tnh ton ni lc cho sn BTCT. Tit din ct 30x30cm, tit din dm 20x40cm, sn b tng

dy 10cm.Vt liu b tng c cp bn B20 (#250), 7 22.7 10 /E kN m , 325 /kN m , 2.0 .Tnhti tnh ton phn b u trn sn 1.5kN/m2, hot ti tnh ton phn b u trn sn 2.4kN/m2 . Ct cao3.2m

1. Khi ng ETABS

T trnh n Start > Programs > SAFE 8 > SAFE hoc nhp p ln biu tng trn mnhnh nn Windows.

5.5m 5m 5m

5.5m 5m

5.5m 5m




2. Chn n v kN-m3. Khi to m hnh

T Menu File > New Model hoc nhp chut vo biu tng . Hp thai Grid Definition xuthin.




Hiu chnh kch thc h li theo ng yu cu u sau nhn OK.

4. Lu file

T Menu File > Save hoc nhp chut vo biu tng . Hp thoi Save Model File As chophp chn th mc lu v t tn file.




5. nh ngha tit din snT Menu Define > Slab Properties -> Hp thoi Slab Properties xut hin.




6. nh ngha tit din dmT Menu Define > > Beam Properties -> Hp thoi Slab Properties xut hin

7. nh ngha tit din ct

T Menu Define > Column supports -> Hp thoi Support Properties xut hin




8. nh ngha cc trng hp ti trng :

T Menu Define > Static Load Cases hoc nhp chut vo biu tng trn thanh cng cHp thoi Define Static Load Case Names xut hin..

9. nh ngha cc t hp ti trng :

T Menu Define > Load Combinations hoc nhp chut vo biu tng trn thanh cng cHp thoi Define Load Combinations xut hin.




10. Xy dng m hnh

T Menu Draw > Draw Area hoc nhp chut vo biu tng . Trong hp thoi PropertiesOf Object chn Properties l S10 sau nhp chn cc v tr A_1; D_1; D_3; A_3.

Chn Draw > Draw Rectangular Area Objects hoc nhp chut vo biu tng . Trong hp thoiProperties Of Object chn Properties l C , X Dimension Y Dimension l 0.3 sau ln lt nhpchut vo cc im c ct

Bm phm Ctrl v nhp chut phi vo v tr A1, chn Area 10, trong hp thoi Rectangular AreaObject Information chnh li cc v tr Xmin, Xmax, Ymin, Ymax




Tin hnh tng t cho cc im cn li

Chn Draw > Draw Point Objects hoc nhp chut vo biu tng . Trong hp thoiProperties Of Object chn Properties l C30x30 sau ln lt v cc ct .




Chn Draw > Draw Line Objects hoc nhp chut vo biu tng . Trong hp thoiProperties Of Object chn Properties l D20x40 sau ln lt v cc dm.

Chn View > Set Object Options hoc nhp chut vo biu tng Hp thoi Set Objects chophp thit lp cc ty chn hin th khc nhau.




11. Khai bo ti trng :Khai bo TT: Chn sn cn khai bo ti trng (S10), sau chn Assign >Surface Loads Hp

thoi Surface Loads xut hin.Khai bo HT: Chn sn cn khai bo ti trng (S10), sau chn Assign >Surface Loads Hp

thoi Surface Loads xut hin.




12. Khai bo chia nh sn :Chn Analyze > Set Options -> hp thoi Analyze Option




13. Phn tch:T Menu Analyze > Run Analysis hoc nhp chut vo biu tng

14. Xem kt qa ni lc sn:

T Menu Display > Show Slab Forces hoc nhp chut vo biu tng . Hp thoi SlabForces xut hin. Ln lt chn Mxx ( mment un quanh trc Y) v Myy ( mment un quanh trcX).

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