bai giang ve tau thuy

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Chng 1 cc tiu chun ca bn v ng tu

1.1. Cc yu cu c bn i vi bn v ng tu Bn v ng tu l ti liu quan trng nht trong cc ti liu k thut phn xng v. Bn

v ng tu c thit lp da trn cc yu cu ca Quy phm phn cp v ng tu do ng kim Vit Nam ban hnh. Mt khc , bn v ng tu phi c thit lp ph hp vi cc tiu chun ca H thng qun l bn v.

Bn v phi th hin y cc iu cn thit phc v cho vic ch to, kim tra, lp t, khai thc v bo dng, sa cha cc chi tit, cc b phn hay ton b sn phm.

Bn v c thc hin trn kh giy tiu chun, c th v trn mt hoc nhiu t giy khc nhau. Nu bn v c thc hin trn nhiu t giy th trn tt c cc t giy phi s dng mt k hiu, c nh s t v ghi s lng t giy v.

Trn bn v phn xng v mi tu hng v bn phi cn ui tu hng v bn tri. Cc kt cu i xng ca thn tu thng ch biu din mt na, trnbn v phi ghi r

na phi hay na tri ca kt cu. Cc chi tit trn bn v ch to phi th hin r hnh dng v kch thc vic ch to,

kim tra v lp rpc thun li. S lng bn v phi l ti thiu nhng phi y phc v cho vic sn xut. Trn cc hnh ct v mt ct, hng chiu c nh theo cc mt phng ta c nh:

Th d: (nhn t mi) hoc (nhn v mi)

1.2. Vt liu v dng c v

Vic la chn vt liu v dng c v ph thuc hon ton vo phng php thc hin bn v ca tng ngi. Nu thc hin bng phng php th cng, vt liu phi c la chn trc khi tin hnh bn v. Nu thc hin bn v bng MTT th vt liu v c la chn trong qu trnh in n.

1.2.1. Vt liu v

Bn v ng tu c th thc hin trn cc t giy n l hoc trn giy cun nu cn kch

thc bn v ln. Bn v gc l cc bn v c thc hin trn cc kh giy c cht lng cao. Bn v ng tu c v bng bt ch cng H, 2H hoc 3H ng nt mnh, r

rng hoc v bng mc tu . 1.2.2. Dng c v

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a. Thc thp dt c chiu di 2,5 n 3,0 mt dng v tuyn hnh v vch cc ng thng c di ln.

b. Thc cong : kch thc ty thuc vo tng bn v, c th di ti 0,8 hoc 1,0 m. c. Thc un lm bng g c c tnh cao dng v cc ng cong, chiu di ti 3m. d. Cc vt nng chn thc un bng gang nng ti 3,0 kg. e. Cc dng c thng thng khc nh ke, hp compa... 1.3. Cc kh giy v

Cc bn v ng tu c thc hin trn cc kh giy tiu chun.Phn ln c thc

hin trn kh giy chnh A2, A1 v Ao song cc bn v chnh nh tuyn hnh, kt cu c bn, ri tn bao v cc bn v c chiu di ln thng c thc hin trn cc kh giy ph.

Khi s dng kh giy ph, khng nn s dng cc kh c chiu di ln hn 594x1682mm. Trn mi kh giy phi c khung bn v v khung tn ring theo tiu chun ca bn v k thut.

Nu mt bn v s dng nhiu t gi, phi s dng cc t giy cng mt kh. 1.4. T l bn v Ty theo tng bn v c th m la chn t l bn v cho hp l. Bn v ng tu thng

c v theo t l thu nh. Cc t l c s dng trn bn v ng tu bao gm: T l nguyn hnh : 1:1 T l thu nh : 1:2, 1:4, 1:5, 1:10, 1:20, 1:25, 1:40, 1:50, 1:75, 1:100 1:125, 1:150, 1:175, 1:200, 1;250, 1:400, 1:500 T l phng to : 2:1, 5:1, 10:1 1.5. ng nt Mi ng nt trn bn v c mt ngha ring. Trn bn v ng tu cc ng nt c

s dng bao gm : - Nt lin - Nt lin mnh - Nt chm gch mnh - Nt t Chiu dy ca mi ng nt trn bn v ph thuc cc yu t sau : - T l bn v - Kch thc bn v - Cng dng ca bn v - Mc phc tp ca bn v. Khi thc hin bn v ng tu,cc ng nt nn la chn theo bng di y :

T l bn v Tn gi 1 : 10 1 : 25 1 : 50 1 : 100 1 : 200

Mt ct thp nh hnh 0 , 8 0 , 6 0 , 4 0 , 2 0 , 2 ng bao thy 0 , 4 0 , 3 0 , 2 0 , 1 0 , 1




Cc ng khc 0 , 2 0 , 1 0 , 1 < 0 , 1 < 0 , 1 Kh ch 3 , 5 3 , 5 2 , 5 2 , 5 2 , 5

1.6. Ghi kch thc

Kch thc ghi trn bn v phi y phc v cho vic ch to, lp rpv kim tra.

Kch thc ghi trn bn v c th ghi theo hai cch : - Ghi theo quy c : gm ng dng, ng kch thc v con s kch thc. - Ghi trc tip trn hnh biu din ca tng chi tit. - Ghi ti ch c con s ch v tr chi tit trong vng trn. - Ghi trong bng k kch thc. - Ghi trong bn v chuyn dng. n v kch thc di l milimt v kch thc gc l , pht, giy. Kch thc l khot ghi l x b. Kch thc chi tit ct t tm vt liu : l x b x s hoc ch ghi chiu dy s cn chiu di

v chiu rng o trc tip trn bn v. Kch thc cc chi tit ct ra t thp nh hnh : Du hiu mt ct ngang + kch thc

mt ct ngang . Th d : L65x50x6. Di y l mt vi th d v cch ghi kch thc trn bn v ng tu :

L 65 x 50 x 6

120 x 10 400 x8T

L 200

T 16

5850 x 1490 x 12 s = 12

Hnh 1.1. Th d v cch ghi kch thc




Chng 2 Cc php v hnh hc c bn

Trong qu trnh xy dng bn v phi gii quyt hng lot vn v hnh hc theo mt trnh t dng hnh hp l t n gin n phc tp... Trong chng ny s cp ti cc vn . 2.1. CHIA MT ON THNG THNH NHIU PHN BNG NHAU

T A (hoc B) vch tia Ax bt k nghing vi AB gc nhn no . t trn Ax n on thng bng nhau c cc im chia 1', 2', n. Ni n vi B. T 1', 2', 3'... k cc tia song song vi nB, cc tia ny ct AB cc im 1, 2, 3... cn tm. (Hnh 2.1) 2.2. CHIA MT NG TRN THNH NHIU PHN BNG NHAU

- Chia ng trn lm 5 phn bng nhau. (Hnh 2.2)

A B

x

1'2'

3'4'

5'

1 2 3 4

Hnh 2.1

A B

C

D

Hnh 2.2

MN

O

1

23

4




- Chia ng trn lm 7 (9,11,13) phn bng nhau. (Hnh 2.3)

- Phng php tnh ton a = n

R0180sin2 (Hnh 2.4)

2.3. V DC, CN

Hnh 2.5a trnh by cch v ng AB c dc so vi ng nm ngang i = 1: 10. t AC = 10 n v o .BC = 1 n v o. to thnh tam gic vung C.

A B

C

D

E F

1'

2'

3'

4'

1

2

34

O

Hnh 2.3

5'

6'

5

6

Hnh 2.4

O

180 n

an

R

1:10

A C

B

Hnh 2.5a10dv

1dv1:10

R2

Hnh 2.5b




Hnh 2.5b ch v mt ng chuyn tip nt mnh hnh chiu ca chi tit c

dc nh ng vi im chn dc. Hnh 2.6 trnh by cch v cn k = 1: 5 bng cch v 2 ng nghing i xng

nhau qua trc mi ng nghing c dc i = 2k

2.4. V NI TIP 2.4.1 C S V NI TIP

Hai ng cong hay mt ng cong, mt ng thng c gi l ni tip vi nhau ti mt im khi ti mt im chng tip xc nhau.

Mt ng trn tip xc vi ng thng cho th tm ng trn cch ng thng cho mt on bng bn knh ng trn, tip im l chn ng vung gc k t tm ng trn n ng thng. (Hnh 2.7)

Mt ng trn tip xc ngoi vi mt ng trn cho khc th khong cch 2 tm bng tng s hai bn knh ca 2 ng trn. im tip xc nm trong on thng ni hai tm. (Hnh 2.8)

Mt ng trn tip xc trong vi mt ng trn cho khc th khong cch gia 2 tm bng hiu s hai bn knh. im tip xc nm ngoi on thng ni hai tm. (Hnh 2.9)

1:5

Hnh 2.6a

10dv

1dv

Hnh 2.6b

2

D

d

L

1:10

R3

Hnh 2.7

O

TR

Rd

d ,

Hnh 2.8 Hnh 2.9

T R 1

R

T

R

R 1R

O

O

1

O1

O

RR

1

R 1




2.4.2 MT S TRNG HP NI TIP

Ni tip 2 ng trn bng mt on thng. (Hnh 2.10)

Ni tip hai ng thng bng mt cung trn bn knh R. (Hnh 2.11) Ni tip ng thng v cung trn bng cung trn bn knh R. (Hnh 2.12)

Hnh 2.10

T1

T2

1O O2

2R 1R

2R

R1

T

1O O2 2RR1

1R

2R

1T'

2T'

T1

1T'

2T'

T2T'

T

T'

Hnh 2.11

2T

T1

R

d

d,

,d

d

R

R

2

1

1

2

Hnh 2.12

1

OT

1

T

d

d

,

R

RR 1

R

OR

T

1T

R

O1

R

R

O

d

,d1

1

RR 1




Ni tip hai cung trn bng cung trn bn knh R. (Hnh 2.13)

Hnh 2.13

O

1OO2

1T2T

R 1 R 2

RR

1

R R2

1

1O

T

R 1

O

T2

R2

O2

R

R

2R

R

1RR

1T

1OR

1

2T

O

O2R

RR 2

RR

1




Chng 3 bn v tuyn hnh tu

3.1. Cc kch thc ch yu v cc h s bo ca v bao tu 3.1.1. H trc ta c nh

H trc ta c nh l h trc ta khng gian vung gc c gn c nh vi v

bao thn tu, dng nghin cu v bao thn tu.Bao gm 3 mt phng ta c nh v 3 trc ta c nh sau y :

Hnh 3.1. H trc ta c nh

a. Cc mt phng ta c nh - Mt phng nm ngang i qua im thp nht ca y tu ti gia chiu di tu c gi

l mt phng c bn. - Mt phng thng ng chia v bao thn tu thnh hai na i xng ( na tri v na

phi ) c gi l mt phng dc tm hay mt phng i xng. - Mt phng thng ng vung gc vi mt phng dc tm v i qua im gia chiu di

tu c gi l mt phng sn gia . b. Cc trc ta c nh

mt phng c bn

Mt phng dc tm

mt phng sun gia

x

y

z




- Giao tuyn ca mt phng c bn v mt phng dc tm gi l trc x ,chiu dng ca trc x hng v mi tu (hng sang phi).

- Giao tuyn ca mt phng c bn v mt phng sn gia gi l trc y, chiu dng ca trc y hng sang mn phi.

- Giao tuyn ca mt phng dc tm v mt phng sn gia gi l mt truc z, chiu dng ca trc z hng ln trn.

3.1.2. Cc kch thc ch yu ca v bao thn tu a. Chiu di tu : L kch thc o theo hng trc x , gm 4 loi sau : - Chiu di ln nht : K hiu Lmax : l khong cch t im xa nht ca sng mi n

im xa nht ca sng ui. - Chiu di ng nc thit k : K hiu Lw( hay LKWL) : l khong cch t giao im

ca sng mi vi mt nc tnh n giao im ca sng ui vi mt nc tnh khi tu ch y hng.

- Chiu di gia hai ng vung gc: K hiu Lpp : l khong cch t ng vung gc mi n ng vung gc ui.ng vung gc mi l ng thng ng i qua giao im ca sng mi vi mt nc tnh khi tu ch y hng, ng vung gc ui l ng thng ng trng vi trc ca bnh li.

- Chiu di thit k: K hiu L: l gi tr ca chiu di dng tnh ton cc yu t tnh nng ca tu thy, gi tr ny ph thuc vo dng sng ui tu .

b. Chiu rng tu : l kch thc o theo hng trc y, gm hai loi sau: - Chiu rng ln nht : K hiu Bmax : L khong cch t im xa nht ca mn tri n

im xa nht ca mn phi, o ti mt phng sn gia. - Chiu rng thit k : K hiu B : L khong cch t im xa nht ca mn tri n im

xa nht ca mn phi, o trn ng nc thit k, ti mt phng sn giia. c. Chiu chm tu : l kch thc o theo hng trc z : L khong cch t mt phng c

bn n mt nc tnh khi tu ni trong nc, gm cc loi sau: - Chiu chm trung bnh : K hiu T (hoc d) : l kch thc o ti mt phng sn gia. - Chiu chm mi : K hiu Tm (hoc dm) :l kch thc o ti ng vung gc mi. - Chiu chm ui : K hiu Tm (hoc dm) :l kch thc o ti ng vung gc ui. d. Chiu cao mn : K hiu H (hoc D) l kch thc o theo hng trc z, t mt phng

c bn n mp boong tu, ti mt phng sn gia. e. Chiu cao mn kh : K hiu F : l kch thc o theo hng trc z, t mt nc tnh

n mp boong tu ti mt phng sn gia.

Hnh 3.2. Cc kch thc ch yu ca v bao thn tu

Lmax

Lw

Lpp

Bmax

B

dF

D




3.1.3. Cc h s bo ca v bao thn tu a. H s bo th tch : K hiu CB (hoc ) l t s gia th tch ngm nc V ca v bao

thn tu v th tch khi hp ch nht ngoi tip n. CB = V / L.B.T

b. H s bo ng nc : K hiu Cw ( hoc ) l t s gia din tch ng nc v

din tch hnh ch nht ngoi tip n. Cw = Sw / L.B

c. H s bo sn gia : K hiu Cm (hoc ) l t s gia din tch ngm nc ca sn gia v din tch ca hnh ch nht ngoi tip n.

CM = / B.T

d. H s bo dc tu : K hiu l Cp : L t s gia th tch ngm nc ca v bao thn tu v th tch ca khi lng tr c din tch y bng din tch ngm nc ca sn gia v chiu di bng chiu di tu.

CP = V / .L = CB / CM




e. H s bo thng ng : K hiu X l t s gia th tch ngm nc ca v bao thn tu v th tch khi lng tr c din tch y bng din tch ng nc v chiu cao bng chiu chm tu.

= V / Sw.T = CB / Cw

3.2. Phng php biu din hnh dng v bao thn tu V v bao thn tu l mt mt cong phc tp, ngi ta khng th biu din chng bng

cc hnh chiu c bn. biu din hnh dng v bao thn tu ngi ta s dng cc mt phng song song vi cc mt phng ta c nh ct v bao thn tu theo cc giao tuyn phng sau v hnh chiu thng gc ca cc giao tuyn trn cc mt phng ta c nh. Hnh v thu c gi l bn v tuyn hnh tu.

- Cc mt phng song song vi mt phng c bn c gi l cc mt phng ng nc. Giao tuyn ca mt phng ng nc vi v bao thn tu gi l ng nc. S lng mt phng ng nc khng ph thuc vo kch thc ca thn tu m ph thuc vo mc phc tp ca hnh dng thn tu. Trong khong t 0 n T ngi ta s dng t 4 n 8 mt phng ng nc cch u nhau mt on = /n. Cc ng nc k hiu N0 , N1...

ng nc N0 = mt phng c bn ng nc Nn = ng nc thit k KWL - Cc mt phng song song vi mt phng sn gia gi l cc mt phng sn l thuyt.

Giao tuyn ca mt phng sn l thuyt vi v bao thn tu gi l ng sn l thuyt. Ngi ta s dng 11 hoc 21 mt phng sn l thuyt cch u nhau mt on L=Lpp/10 hoc Lpp/20 ct v bao thn tu. Cc ng sn l thuyt k hiu Sn0, Sn1....Sn20

ng sn Sn0 = ng vung gc ui ng son Sn10 hoc Sn20 = ng vung gc mi




- Cc mt phng song song vi mt phng dc tm gi l cc mt ct dc. Giao tuyn ca mt ct dc vi v bao thn tu gi l ng ct dc. V v bao thn tu i xng qua mt phng dc tm nn s lng mt ct dc l s chn, cc mt ct dc c b tr i xng qua mt phng dc tm. Cc mt ct dc k hiu CDI, CDII... theo hng xa dn mt phng dc tm.

3.3. Cc hnh chiu v cch sp xp chng trn bn v 3.3.1. Hnh chiu ng : L hnh chiu thng gc ca cc ng nc, cc ng sn,

cc ng ct dc trn mt phng dc tm. Hnh chiu ng ca cc ng nc v cc ng sn l cc on thng. Hnh chiu ng ca cc ng ct dc l cc ng cong. 3.3.2. Hnh chiu bng : L hnh chiu thng gc ca cc ng nc, cc ng sn

v cc ng ct dc trn mt phng c bn. Hnh chiu bng ca cc ng sn v cc ng ct dc l cc on thng. Hnh chiu bng ca cc ng nc l cc ng cong i xng qua mt phng dc

tm. 3.3.3. Hnh chiu cnh : L hnh chiu thng gc ca cc ng nc, cc ng sn

v cc ng ct dc trn mt phng sn gia. Hnh chiu cnh ca cc ng nc v cc ng ct dc l cc on thng. Hnh chiu cnh ca cc ng sn l cc ng cong i xng qua mt phng dc tm. 3.3.4. B tr cc hnh chiu C 3 cch b tr cc hnh chiu trn bn v :




Hnh 3.3. B tr cc hnh biu din

Cch 1 : B tr theo v tr quy c ca ba hnh chiu c bn. Cch 2 : B tr theo th t t trn xung ln lt t hnh chiu cnh, hnh chiu ng v

di cng l hnh chiu bng. Cch 3 : B tr hnh chiu cnh nm gia on ct la ca hnh chiu ng cn hnh

chiu bng t bn di hnh chiu ng. Vic la chn cch b tr ty thuc vo kh giy, vo t l bn v, vo kch thc ca cc

hnh biu din v hnh dng v bao thn tu trong tng trng hp c th. Vi cc hnh chiu l cc ng cong i xng ta ch cn v mt na ca ng cong ,

c th : - Hnh chiu bng ca cc ng nc ch v na tri. - Hnh chiu cnh ca cc ng sn t Sn0 n sn gia : v na tri Cc ng sn t sn gia n mi : v na phi.

3.4. Trnh t hon thnh bn v tuyn hnh 3.4.1. Chun b - Cc thng s phc v cho bn v tuyn hnh bao gm : Cc thng s c bn ca v bao

thn tu, Bng tr s tuyn hnh hoc bn v mu. - Vt liu v dng c v. 3.4.2. V mng

chiu cao mn

chiu chm tu

chiu rng tu

chiu di tu

kch thc ch yu B gcmi

Bng tr s ng hnh dng

DN1T.TuynT.Tuyn

DNTKDN2 DN3 DN4 DN5 trnDN7 di

1/2 chiu rng

4263 52202098 946841 939754624 685

42882700 3687

45084167 -

331

2500

1339

735

245

106

491

1168

250

97.5 195

97.5 215

152

1191635 2192

34292469

3464 4155

1555 2600

4224 -

-

3636

-

-

390292

344 545

343 454

1806513

956 -

570 1874

5072 59734619

4584- 5518 6018

4845 57464273

4526

4581-

-

4423

-

-

4982 5882

5027 5927

4936 5837

432

-

-

4199

570 -

4201 5100

4755 5655

4239 5160

T TuynDi

chiu cao

T.Tuyn

2292

2120

1911

1289

1638

2114

1630

1273

1903

Be giM.B

2292

CD1 CD2

31382126 2132 2160

16601650

1305 1322

1919 1927

27981678

1381 2542

1949 2998

2297 2299

CD3 CD4

2363 3242

CD5 Trnb gc

537144192136

1722

1490

-

-

1934 -

- 4336 5311

4308 5280

4373 5341

2302 -

-

mi

4453 5401

Be giojM.BNo

3

9.5

10

7

8.5

9

8

5

6

4

1/2

1.5

2

1

0

DN0

-

493

-

3275

1420

-

1705

4074

3279

4010

-

-

-

-

938

-

819

79

1491

2087

4748

4224

3210

4754

-

4508

-

-

-

-

-

-

2520

1864

1108

308

4762

4807

4478

3660

4596

4120

-

-

-

-

1405

543

2900

2205

4818

4615

4005

4830

4644

4754

4144

4454

-

-

-

1735

800

3279

2578

4481

4845

4707

4285

4852

4741

4810

4639

-

4274

-

2139

1152

3660

2999

4673

4874

4776

4508

4874

4833

4874

4768

4534

4353

229

2647

1614

4051

3450

4899

4845

4713

4899

4899

4701

4850

4792

4388

4563

1922

2996

3810

4368

4705

4925

4912

4925

4925

4925

4877

4735

4824

4604

4438

3200

60

1074

0

0

1897

102

0

0

37

1262

587

1621

2292

2111

DT

1922

2996

3810

4368

4705

4912

4925

4925

4423

13204

2143

2292

2507

Be gi

Boong chnh

2111

1897

1621

940

2258

21722104

2483

2281

2058

1262

587

102

4273

4199

37

500

1117

1193

500

3200

4526

Boong chnhBe gi

60

500

500

700

500

1702

928

1289

592

800 887

500

500

287

680

400

4500731

600

195

4500731731731731 731 731731 731731

600

195

250

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

khoa: ng tu lp :9671trng:i hc hng hi

tuyn hnhtu ko 2000 cv T/L:1/50

Hng dn Nguyn Tin Lai

Duyt Hong vn Oanh

Bn v Phm c Ton

Ngi Thit K Phm c Ton

Bn in AuToCad

Ph o Hong vn Oanh




- mng l tp hp cc hnh chiu suy bin thnh on thng ca cc ng nc, cc

ng sn, cc ng ct dc trn cc mt phng hnh chiu. - mng trn hnh chiu ng : l tp hp hnh chiu ng ca cc ng nc v cc

ng sn. ng bao mng l hnh ch nht c chiu di bng Lpp v chiu cao bng chiu cao mn H.

- mng trn hnh chiu bng l tp hp hnh chiu bng ca cc ng sn v cc ng ct dc. ng bao ca n l hnh ch nht c chiu di bng Lpp v chiu rng bng B/2 (na chiu rng).

- mng trn hnh chiu cnh l hnh ch nht c mt cnh bng chiu rng B v mt cnh bng chiu cao H.

0 3 421 97 865 13121110 14

DT0

CDI

CDII

CDIII

1 2 3 4 75 6 8 9 10 11 12 13 1514 16 1817 19 20 DT

CDI

CDII

CDIII

16 17 18 19 2015

cdiii cdii cdi cdiII cdi cdii

N 0

N 1

N 2

N 3

N 4

N 0

N 1

N 2

N 3

N 4

DT

N 0

N 1

N 2

N 3

N 4

N 0

N 1

N 2

N 3

N 4

Hnh 3.4 mng 3.4.3. V ng bao hnh chiu ng V sng ui, sng y, sng mi v hnh chiu ng ca ng mp boong. 3.4.4. V hnh chiu cnh ca cc ng sn l thuyt Da vo cc thng s cho v hnh chiu cnh ca cc ng sn l thuyt. Cc sn

t ui n sn gia v na tri cn cc sn t sn gia n mi v na phi. Kim tra chnh xc v trn ca cc ng sn. 3.4.5. V hnh chiu bng ca cc ng nc V hnh chiu bng ca cc ng nc bng cc tung c chuyn t hnh chiu

cnh ca cc sn. Chnh trn cc ng nc. 3.4.6. V hnh chiu ng ca cc ng ct dc Cc ta c xc nh t hnh chiu cnh v hnh chiu bng. Khi v cc ng ct

dc cn c bit ch n s thng nht gia ba hnh chiu. 3.4.7. Kim tra cc hnh chiu v.




3.4.8. V ng kim tra 3.4. 9. Ghi cc kch thc chnh Ch ghi nhng kch thc nh hnh ca sng mi, sng ui v nhmg kch thc chnh

cha c trong bng tr s tuyn hnh.

1424

1169

0

1103

7

8405

0WL0

WL1

15373

2286

WL0

WL1

WL2

WL3

WL4

Mn gi

702

WL2

WL3

WL4

Boong chnh

Thng tng miMn gi

1613

2286

2285

21045452

821092

10

1036

2245

2540

2909

2513

18 19 20

Hnh 3.5 Kch thc sng mi , sng ui

3.4.10. Lp bng tr s tuyn hnh L bng tp hp cc gi tr tung dng v o ti cc v tr nh trc, bao gm hai

kch thc sau : - Khong cch t mt phng dc tm n v bao thn tu o ti cc sn l thuyt v o

trn cc ng nc. - Khong cch t mt phng c bn n v bao thn tu o ti cc sn l thuyt v o

trn cc ng ct dc

Bng 3.6 Tr s tuyn hnh

Na chiu rng tu Chiu cao Sn N0 N1 ...... ntk n.. m.b t.t B.g dt cdi cdii ...... m.b b.g0 1 2 3 4 5 6 7




8 9 10

23.4.11. Lp bng cc thng s c bn ca v bao thn tu

Cc thng s c bn

- Chiu di ln nht Lmax = ...... m. H s bo th tch CB = ... - Chiu di thit k L = ...... m. H s bo ng nc CW =... - Chiu rng ln nht Bmax = ...... m. H s bo sn gia CM = ... - Chiu rng thit k B = ...... m. H s bo dc CP = ... - Chiu cao mn H = .......m. - Chiu chm tu T =........m. - Lng chim nc D =........T - Tc tu v =........hl/g. - Cng sut my chnh Ne = .......cv. 3.4.12. Hon chnh khung tn Ghi y ni dung ca khung tn theo yu cu ca bn v ,gm : - Tn bn v - T l bn v - H v tn nhng ngi thc hin bn v : Thit k, v, sot, duyt... - K hiu bn v. V cc ni dung khc. 3.4.13. Kim tra ln cui. 3.5. S thng nht gia cc hnh chiu

S thng nht gia cc hnh chiu ca bn v tuyn hnh tu c th hin bng s tng quan gia cc hnh chiu ca tng im thuc v bao thn tu trn cc hnh chiu thng qua cc tr s tung ca chng c th hin qua hnh v sau:




Boong chnhBe gi

x

x

y

y

y1

y1

x1

x1

z z

Hnh 3.7 S thng nht gia ba hnh chiu

Chng 4 bN v b tr chung

4.1. Khi nim v b tr chung v bn v b tr chung




B tr chung ton tu l vic phn chia cc khng gian kn ca con tu thnh cc phn ring bit. Mi phn ring bit c gi l khoang hoc phng, bung ph hp vi mc ch s dng ca chng.

B tr thit b l vic la chn cc thit b phc v cho sinh hot ca thuyn vin, cho vic khai thc tu, b tr, sp xp chng vo cc v tr thch hp trn tu sao cho hiu qu s dng chng l tt nht.

Khng gian kn trn tu bao gm hai phn chnh : - Phn thn chnh : L phn khng gian kn gii hn bi y tu, mn tu v boong tu.

N l phn khng gian c bao kn bi v bao thn tu. Phn khng gian ny dng b tr cc khoang hng, bung my hoc cc bung chc nng khc.

- Phn kin trc trn boong : bao gm cc thng tng v lu b tr t boong chnh tr ln. Phn khng gian ny dng b tr cc phng phc v cho sinh hot ca thuyn vin, phc v cho vic iu khin v khai thc tu.

Bn v b tr chung l bn v th hin vic phn chia cc khng gian trn tu , nh ra v tr, kch thc ca chng ng thi th hin vic b tr cc thit b trn tu.

Bn v b tr chung bao gm : Bn v b tr chung ton tu, bn v b tr bung my, ni hi, cc trang thit b bung my, b tr cc h thng

4.2. Mt s du hiu v k hiu dng trn bn v b tr chung

4.3.

Ni dun

g ca

bn v b tr chung 4.3.1. Cc hnh biu din

Bt n Bt i Ti qun dy

ng thng gi

Giung i

Giung n hai tngGiung n

Hnh v quy uc mt s thit b

Chu ra T c nhn i vng

Phao cu sinh




Trn bn v b tr chung thng s dng hai loi hnh biu din l hnh chiu v hnh ct. - Hnh chiu bao gm : Hnh chiu t mn phi, hnh chiu t mi, hnh chiu t ui v

hnh chiu t trn xung. Cc hnh chiu ny th hin hnh dng bn ngoi tu v cc thit b b tr bn ngoi tu.

- Hnh ct th hin vic b tr cc thit b bn trong v vic b tr cc phng khoang trn tu. Hnh ct bao gm : Hnh ct dc, mt ct boong , sn v hnh ct ngang tu. Ngoi ra cn s dng hnh chiu v hnh ct ring phn th hin hnh dng cc b phn ring.

4.3.2. Cc kch thc nh v ca cc thit b tu : Ch ghi nhng kch thc c bn

nht nh v tr ca mt s thit b quan trng. 4.3.3. Cc ghi ch : Cc phng khoang v cc khng gian cng nh cc thit b trn tu

c ghi ch theo hai cch - Ghi trc tip ti v tr ca chng trn hnh biu din. - nh s v tr v lp bng k. -

4.3.4. Cc thng s ch yu ca tu : Bao gm cc kch thc ch yu v cc h s bo ca v bao thn tu, cc thng s c bn ca h ng lc, cc c tnh khai thc c bn ca tu nh : Lng chim nc, trng ti, tc

4.3.5. Khung tn Tt c cc ni dung trn c th hin trn bn v di y

4.4. Trnh t hon thnh bn v b tr chung 1. La chn kh giy v, s lng t giy v cn thit. 2. V khung bn v v khung tn v ghi k hiu v th t cho tt c cc t giy v 3. B tr v tr cc hnh biu din, vch cc ng c s cho cc hnh biu din. nh

du v tr v ghi s sn l thuyt v cc sn thc. S sn ghi t ui v mi tu, s sn thc c th ghi cch 2, 5 hoc 10 khong sn tu thuc vo kch thc tu v t l bn v

4. V hnh dng sng mi, sng ui tu v tt c cc ng bao hnh chiu ca cc hnh biu din. Cc ng ny c v theo bn v tuyn hnh tu.

5. V cc vch ngang kn nc. 6. V v tr cc c cu dc v ngang quan trng trn cc hnh biu din. Cc c cu ny

khng cn v qu t m. 7. V cc l khot trn v bao v trn cc boong sn nh : ming hm hng, hm my,

cc ca v ca s trn mn tu 8. V vch ngn gia cc bung sinh hot. 9. V cc cu thang c ch r hng i bng mi tn trn bn v. 10. V hnh chiu ca cc thit b neo, thit b li, thit b cu sinh, thit b lm hng

trn tt c cc hnh chiu. 11. V my chnh v cc thit b bung my. 12. V cc thit b bung v cc bung phc v sinh hot v cc bung cng cng

khc. 13. Kim tra bn v, b sung nhng phn cn thiu, loi b nhng phn tha, sa

nhng phn cha ph hp.




Hnh 4.2 Bn v b tr chung

L

35 40 45 50 55

(16100 x 9000)

60 65 70 75 80 85 90 95 100

(13500 x 9000)

L

KHO

KHO

L

L

KHO

(16100 x 9000)

KT NC NGT

KT DU DO 2

KHOANG HNG I KHOANG HNG II KHOANG HNG III

KT DN

XCH

KT DN

KHONG SN THC 600 MM KHONG SN THC 700 MM KHONG SN THC 700 MM KHONG SN THC 600 MM

BP

2N 2NTM

2N

2N

2N

2N

GING

MY

BUNG N

BUNG C QUY

TM + WC

GING

MY

MY TRNG

BUNG KHCH

BUNG THUYN TRNG

TM + WC

BUNG LI

HI

VT

BUNG dng c cu ho

BUNGMY LI

SN CAO

GING

MY

7700

X5200

BUNG PHI SY TM + WC

MING HM HNG S I MING HM HNG S II MING HM HNG S III

KHO SN

KT NC NGT 1(T)

KT NC NGT 1(P)

KT THI

KT Du DO 3(T)

KT Du DO 3(P)

BUNG MYKHOANG HNG S I KHOANG HNG S II KHOANG HNG S III

KT DN

KHOANG XCH

KT DN MI

KT GI NC

KT DU BN

KT DU LO

KT DU DO 2 (P)

KT DN 1 (T)

KT DN 1 (P)

KT DU FO (T)

KT DU FO (P)

KT DN 2 (T)

KT DU DO 1 (T)

KT DN 2 (P)

KT DU DO 1 (P)

KT DN 3 (T)

KT DN 3 (P)

KT DN 4 (T)

KT DN 4 (P)

KT DN 5

(CAO 5300 CCH CHUN)

BUNG IU KHIN

BUNG MY

BUNG PHN LY

SN BUNG MY

THNG S CH YU

CHIU DI LN NHT

CHIU DI HAI TRCHIU RNG THIT K

CHIU CAO MN

CHIU CHM

THUYN VIN 20 NGI

B TR Y I

DI BOONG CHNH

BOONG CHNH

BOONG NNG LI BOONG CU SINH BOONG LU LI NC LU LI BOONG NNG MI

BUNG my pht s c

kho kh

kho lnh

cu lc b

kho ga

bung co 2

BUNG iu ho tp trung

kho in

2N 2NTM

KT DN ui

BUNG th

thao

H. dn

Ph oTL : 1/150

b tr chung

Thit k

thit k tt nghip tu hng bch ho 5200t

Trng i hc hng hiKhoa ng tu

Lp:




14. T m bn v : La chn loi v chiu dy cc ng nt cho ph hp vi bn v bn v r rng v cn i, p.

15. Kim tra li. 16. Ghi tn cc hnh biu din, ghi cc ghi ch cn thit, nh du v tr cc thit b. 17. Lp bng k thng k tt c cc thit b trn tu. 18. Ghi cc thng s ch yu ca con tu : Kch thc c bn, cc thng s th hin c

im v tnh nng ca tu. 19. Hon thnh khung tn. Kim tra ln cui.




Chng 5 bN v kt cu thn tu

Bi 1: Khi nim v kt cu v bn v kt cu. Bi 2: Cc quy c i vi bn v kt cu thn tu. Bi 3; Cc loi bn v kt cu. 3.1: Bn v kt cu c bn 3.2: Bn v kt cu mt ct ngang 3.3: Bn v cc vch 3.4: Bn v ri tn bao 3.5: Bn v sng mi sng ui 3.6: Bn v kt cu b my 3.7: bn v nt kt cu

5.1. Khi nim v kt cu v bn v kt cu thn tu V bao thn tu c cu thnh t cc tm tn v v cc c cu gia cng lin kt vi

chng. V bao thn tu chia thnh hai phn ring bit l phn thn chnh v phn thng tng.

Phn thn chnh gm y tu, mn tu v boong tu. Kt cu phn thn chnh c cu thnh bi dn y, dn mn v dn boong lin kt vng chc vi nhau bng cc mi ghp kn nc.

Thng tng l cc kin trc nm trn boong chnh, khng gian kn ca thng tng dng b tr cc phng, cc bung phc v cho sinh hot ca thuyn vin v cc bung chc nng khc.

Tn v c gn cc c cu gia cng gi l di tn bao. Mi dn bao gm nhiu di tn bao. Dn y gm cc di tn y, dn mn gm cc di tn mn, dn boong gm cc di tn boong. Dn y c cu thnh t tn y v cc c cu y, dn mn t tn mn v cc c cu mn, dn boong t tn boong v cc c cu boong.

Di tn nm dc tu gia v bao y gi l sng nm. Di tn ni y vi mn tu gi l di tn hng. Di tn trn cng ca mn ni vi boong gi l di tn mp mn. Di tnboong ni vi tn mp mn gi l di tn mp boong. Cc c cu y t theo hng ngang tu gi l cc ngang, gm c : ngang y v

ngang h. ngang y c hai loi : kn nc v khng kn nc. Cc c cu y t theo hng dc tu gi l cc sng y, gm c sng chnh t ti

mt phng dc tm v cc sng ph t i xng qua mt phng dc tm. Cc c cu mn t theo hng thng ng gi l cc sn.Cc sn c kch thc ln

hn gi l cc sn kho. Cc c cu mn t theo hng dc tu gi l cc sng dc mn. Cc c cu boong t theo hng ngang tu gi l cc x ngang boong. X ngang c kch

thc ln hn l x ngang boong kho.




Cc c cu boong t theo hng dc tu l cc sng boong gm sng dc boong t ti mt phng dc tm tu v cc sng ph boong t i xng qua mt phng dc tm.

ngang y, sn v x ngang boong nm trong mt phng vung gc vi mt phng sn gi gi l mt khung sn.

ngang ni vi sn bng m hng, sn ni vi x ngang boong bng m u sn. M hng v m u sn nm trong mt phng sn.

Khong cch gia hai khung sn k nhau gi l khong sn thc. Khong sn thc ph thuc vo chiu di tu, c th bng nhau trn sut chiu di tu hoc c gi tr nh hn vng mi v vng i tu.

Tu c chia thnh nhiu phn theo chiu di nh cc vch ngang, theo chiu rng tu nh cc vch dc.

Vch ngang l vch t theo hng thng ng song song vi mt phng sn giagm cc vch ngang kn nc v cc vch khng kn nc.

Vch dc l vch t theo hng song song vi mt phng dc tm, gm cc vch kn nc v cc vch khng kn nc.

Khng gian kn gii hn bi tn y, tn mn, tn boong v cc vch gi l hm tu. Bn v kt cu tu l bn v th hin y s lng, chng loi, v tr, hnh dng v

kch thc ca tt c cc c cu cu thnh thn tu, ng thi th hin phng php ni ghp chng. Bn v kt cu cng th hin s phn chia khng gian trn tu thnh cc khoang, cc phng .

S lng bn v ph thuc vo chng loi tu v giai on thit k. Thit k k thut l giai on thit k quan trng nht, nh ra loi vt liu ch to thn

tu, quyt nh cc tnh nng hnh hi , cc tnh nng khai thc v hiu qu kinh t ca mi con tu.

Bn v kt cu bao gm hai loi: - Bn v thit k k thut : do cc c quan thit k thc hin.

- Bn v cng ngh : do Phng K thut hoc trung tm thit k cng ngh ca cc c s sn xut, cc cng ty ng tu thc hin.




Hnh 5.1. S kt cu y i, mn kp v vch phng - Bn v thit k k thut gm : + Bn v kt cu c bn. + Bn v kt cu mt ct ngang. + Bn v kt cu vch ngang v vch dc. + Bn v kt cu sng mi, sng ui. + Bn v kt cu b my. + Bn v ri tn boong, ri tn bao. + Mt s bn v khc tu thuc vo yu cu ca tng con tu c th.

Hnh 5.2. Kt cu cc dn vng gia tu ca tu c kt hng, kt nh mn, y i, mn n v vch sng.

5.2. Cc quy c i vi bn v kt cu

gim nh cng vic trong qu trnh thc hin bn v v rt ngn thi gian v, trn bn v kt cu ngi ta thng s dng mt s quy c v k hiu ring.

5.2.1 Ghi kch thc 1. Kch thc cc chi tit lm t thp tm c th c ghi bng hai cch : a. Ghi kch thc chiu dy bng k hiu s trc tip trn hnh chiu ca chi tit , cc

kch thc khc nh chiu di, chiu rng c o trc tip t hinh v. Th d : s=8. b. Ghi y chiu di, chiu rng v chiu dy ( l x bx s ) trc tip trn hnh chiu ca

chi tit . Th d :6000x 1450x 8 .




2. Kch thc cc chi tit lm t vt liu thanh c th ghi bng hai cch : a. Ghi chiu cao v chiu rng ca mt ct chi tit ( b x h ). Th d : 20x16 b. Ghi y chiu rng, chiu cao v chiu di ca mt ct chi tit (bx hx l ). Th d :

42 x 25 x 2875. 3. Kch thc cc chi tit lm t thp hnh c th ghi bng ba cch : a. Du hiu v kich thc mt ct ngang thp hnh. Th d : L65x50x6 b. Du hiu, kch thc mt ct ngang v chiu di chi tit. Th d : T120x10/300x8 l=4250 c. Ghi theo s hiu tiu chun ca mt ct. Th d : I12

5.2.2. Hnh v quy c ca mt s chi tit dng cho kt cu v thp

Hnh 5.3

L50x50x6

L65x50x6

Thp gc u cnh

Thp gc khng u cnh

L12

Thp lng mng ( ch )L

Thp ch T

T120x10 350x8

O100x8

ng tr trn

O150

Thanh tr trn

Hnh v quy uc mt s c cu thn tu

C cu lin tc

C cu gin on

C cu lin tc

C cu gin on

C cu khot l trn bn thnh

C cu lin tc




5.3. Cc bn v kt cu thn tu 5.3.1 Bn v kt cu c bn

Bn v kt cu c bn th hin s b tr, hnh dng, kch thc, s lng v phng php ni ghp cc c cu cu thnh thn tu.

Bn v ny thng bao gm cc hnh ct dc, hnh chiu cc c cu mn, cc c cu boong, sn, cc c cu y. Cc hnh biu din ny c thc hin trn mt t giy v v c s lin h ph hp vi quy tc ca php chiu thng gc.

Hnh ct dc l hnh biu din thu c khi s dng cc mt phng song song vi mt phng dc tm d ct v tu. S lng v v tr cc mt phng ct tu thuc vo kt cu ca tng con tu c th . Trn hnh ct biu din tt c cc phn mt phng ct i qua v cc c cu nm sau mt phng ct.

Cc hnh biu din ca boong, sn, y tu c v mt na v chng i xng qua mt phng dc tm.

Bn v kt cu c bn c thc hin theo trnh t : - V ng bao ca cc hnh chiu : Hnh ct dc, cc boong, sn,y iCc ng

bao ny c chuyn t bn v tuyn hnh. - nh du v tr v ghi s cc sn thc - V cc vch dc, vch ngang, cc tng boong, sn, vch kt - V cc l khot c bn trn tt c cc hnh chiu - V cc ng ni tn bao v tn vch. - V cc c cu trn cc hnh biu din. - Ghi cc kch thc cn thit v cc ghi ch. - Hon thin khung tn. Bn v Kt cu c bn c th hin trn hnh v minh ho. 5.3.2 Bn v kt cu khung sn L bn v th hin kt cu mt ct ngang thn tu, l mt trong nhng bn v quan trng

nht trong cng ngh ng tu. N ch ra kt cu ca tt c cc mt ct ngang thn tu ti cc v tr c trng nht.

Trn bn v , v kt cu sn ni chung l kt cu i xng nn ch biu din mt na tit din.

S lng mt ct ngang tu thuc tng con tu c th song thng gm cc mt ct sau ti mi vng ring bit (vng mi, vng ui, vng bung my, vng khoang hng):

- V tr khng c l khot trn boong, trn mn tu. - V tr c l khot trn boong, trn mn tu. - V tr c b tr sn kho - V tr b tr sn thng. - V tr c s thay i cch b tr cc c cu kho dc nh : Sng chnh, sng ph, sng

mn, b my Trn bn v mt ct ngang phi ghi y s hiiu ca tt c cc c cu, cc kch

thc nh hnh v nh v ca cc c cu. Cc kch thc c ghi thnh tng nhm ti nhng v tr thch hp nht trn bn v. C th ghi kch thc di dng bng.




T l bn v thng chn bng 2 ln t l bn v kt cu c bn. ng nt la chn tu thuc vo t l bn v. Trnh t thc hin bn v: - Da vo bn v tuyn hnh v ng bao boong, mn, y ti cc tit din. - V y i ( nu c ) - nh du v tr cc c cu dc nh sng chnh, sng ph, sng dc boong, sng dc

mn, thnh dc b my - V cc c cu ngang nh sn, sn kho, ngang, x ngang boong v cc c cu

ngang khc. - nh du v v tit din v bao, cc tm v ca boong, mn, y v cc tng sn. - Ghi kch thc v cc ghi ch khc. - Hon chnh khung tn.

Hnh 5.4




5.3.3 Bn v kt cu vch dc, vch ngang Vch dc v vch ngang thng s dng hai dng kt cu : Kt cu phng v kt cu

sng. Kt cu vch phng gm cc tm phng c gn cc c cu gia cng. C cu gia

cng gm hai loi l np v sng. Tu thuc vo v tr ca cc c cu gia cng m chia ra hai loi : - Vch np ng sng nm : Cc np vch c t theo hng thng ng l cc c cu

c s lng ln, kch thc nh hn , cn cc sng t theo hng nm ngang, c s lng nh hn, kch thc ln hn, lm gi cho cc np vch.

- Vch np nm sng ng : Cc np vch c t theo hng nm ngang, cn cc sng vch c t theo hng thng ng.

- Kt cu vch c th hin trn cc bn v sau:

S : a

B

D D

B

S : b

D

B

S : c S : d

B

D

S

S

S

S

Hnh 5.5. S dn vch phng a,b - dn vch vi np ng, sng ng, sng nm;

c,d - dn vch vi np nm, sng ng




Ddo

.

SSSSS b

B C

B C

A A

A -A

B -B C - C

Hnh 5.6. Kt cu vch phng vi np ng, sng ng v sng nm 5.3.4 Bn v kt cu sng mi, sng ui

Hnh 5.7. Kt cu sng ui




5.3.5 Bn v kt cu b my 5.3.6 Bn v nhm kt cu v tu 5.3.7 Bn v khai trin tn bao

Bn v khai trin tn bao biu din hnh dng v bao ngoi ca mn phi, th hin tng quan v tr ca cc tm v bao vi cc c cu. Tn bao v tu l mt cong phc tp, khng th tri phng, v vy bn v khai trin tn v c v bng phng php gn ng.

Phng php biu din: Tri phng v bao theo phng ngang tu, ngha l ch dui thng cc sn cn cc ng nc coi nh thng, khong cch gia cc sn bng nhau v bng khong sn thc. V vy cc ng sng mi, sng ui, sng y c v theo hnh dng tht ca chng. Cc ng ny c ly ra t bn v tuyn hnh tu.

Dui thng sn l xc nh chiu di tht ca cc sn thc, chiu di ny c o t bn v tuyn hnh tu, c th o bng thc mm, bng bng giy hoc bng MTT.

Trc khi o cn nh du v tr ca cc c cu dc y v dc mn trn bn v tuyn hnh tu.

ng nt s dng trn bn v c quy ng nh sau : - ng bao >=0.3 mm - ng ni phn on v m hn v gch cho - Cc sn v bng nt t chiu dy bng chiu dy ng bao. - Cc x dc mn, x dc y v bng nt chm gch m. - ng c s, ng tm v bng nt lin chiu dy


Hnh 5.8 . Bn v kt cu c bn

25

550

650 650 650 650

20 NGITHUYN VIN

CHIU CHM

CHIU CAO MN

CHIU RNG THIT K

CHIU DI HAI TR

CHIU DI LN NHT

THNG S CH YU

R450

58

7001100

750

350

30

125

700

750

2250

700 700750 750

2250

750

4500

t=16

4500

400

550

1400

1450

25

t=12

t=12

t=12

1250

R75 11

00

550

1100

4500

30

30

2250

20

130

2250

750750

100

1100

R113

300

R650

9

250

R113

4600

250

2025

0

1010

130

130

120

700 700

800

750

750

4600

300

2250

700700

850

700 700

250

2250

750750 750 750

700700

1300

750

2250700700

750

2250

750750 750750

600

2600

500

800

500

600

500

940

490

300

15

600

75

750750 650

" 650 650

750 750

75

750

675 750

2250

"

1200

750

2250

250

1100

3000

4600

750750750

2250

750

750750 750750

3000

2150

1650

2100

1100

750750 750

1100

5300

650650 650 650

500

1750

300

750

H. dn

Ph oTL : 1/100

Mt ct ngang

Thit k

T s : 01S t : 05

thit k tt nghip tu hng bch ho 5200t

Trng i hc hng hiKhoa ng tu

Lp:

Hnh 5.9. Bn v mt ct ngang




Cu hi n tp Mn hc v tu

1. Trnh by phng php biu din hnh dng thn tu. 2. Nu ni dung v trnh t hon thnh bn v tuyn hnh tu. 3. Nu ni dung v cch thit lp bng tr s tuyn hnh tu. 4. Nu ni dung v trnh t hon thnh bn v b tr chung tu thu. 5. Nu ni dung v trnh t hon thnh bn v kt cu c bn. 6. V tr ca ng l thuyt theo hng dc tu. 7. V tr ca ng l thuyt theo hng ngang tu. 8. V tr ca ng l thuyt theo chiu cao tu. 9. Hy v mt khung sn thng vng khng c ming khoang hng. 10. Hy v mt khung sn kho vng khng c ming khoang hng. 11. Hy v mt khung sn thng vng c ming khoang hng 12. Hy v mt khung sn kho vng c ming khoang hng. 13. Hy v vch c np ng sng nm. 14. Hy v vch c np nm sng ng. 15. Kt cu b my. Cc kch thc cn thit thit k b my.




Trng i hc hng hi Khoa ng tu

B mn l thuyt thit k

Phiu thi s: 01 Mn hc: v tu

Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Trnh by phng php biu din hnh dng thn tu. 2. V tr ca ng l thuyt theo chiu cao tu.

Ch : Th sinh khng c ty xo, lm bn phiu thi.


B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v tuyn hnh tu. 2. Hy v mt khung sn thng vng khng c ming khoang hng.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v cch thit lp bng tr s tuyn hnh tu. 2. Hy v mt khung sn kho vng khng c ming khoang hng.






B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v b tr chung tu thu. 2. Hy v mt khung sn thng vng c ming khoang hng



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v kt cu c bn. 2. Hy v mt khung sn kho vng c ming khoang hng.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. V tr ca ng l thuyt theo hng dc tu. 2. Hy v vch c np ng sng nm.






B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. V tr ca ng l thuyt theo hng ngang tu. 2. Kt cu b my. Cc kch thc cn thit thit k b my.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Trnh by phng php biu din hnh dng thn tu. 2. V tr ca ng l thuyt theo chiu cao tu.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v tuyn hnh tu. 2. Hy v mt khung sn thng vng khng c ming khoang hng.


Trng i hc hng hi Phiu thi s: 10 Ch k




Khoa ng tu B mn l thuyt thit k

Mn hc: v tu Ngnh hc: v tu thu

Ch nhim b mn

1. Nu ni dung v cch thit lp bng tr s tuyn hnh tu. 2. Hy v mt khung sn kho vng khng c ming khoang hng.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v b tr chung tu thu. 2. Hy v mt khung sn thng vng c ming khoang hng



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. Nu ni dung v trnh t hon thnh bn v kt cu c bn. 2. Hy v mt khung sn kho vng c ming khoang hng.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn




1. V tr ca ng l thuyt theo hng dc tu. 2. Hy v vch c np ng sng nm.



B mn l thuyt thit k


Ngnh hc: v tu thu

Ch k Ch nhim b mn

1. V tr ca ng l thuyt theo hng ngang tu. 2. Kt cu b my. Cc kch thc cn thit thit k b my.


K.s. Bi Huy Thn T mn L thuyt thit k

KHOA NG tu



bai giang ve tau thuy

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