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5/21/2018 Noi Dung Yeu Cau Cua Do an Cau BT
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Nhim V ca n
GVHD: ThS. Nguyn Vn SnB Mn: K Thut Xy Dng .
http://my.opera.com/son12a2/blog/
nCu B Tng Ct Thp
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n Thit K Cu BTCT2
Nhim V n
I. Mc c bn:
1. u, nhc im:
a. u im:
- Khi lng n t hn, tit kim thi gian v cng sc hcnhng hc phn khc.
- Yu cu ca Cn b hng dn v phn bin cao hn
b. Nhc im:
- Khng c lm LVTN chuyn ngnh Cu. Tuy nhin, chophp 10% sinh vin ng u v phi t im B c lmLVTN chuyn ngnh Cu.
- im ti a l B.
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n Thit K Cu BTCT3
Nhim V n
I. Mc c bn:
2. Gii hn n:Ch yu cu sinh vin lm n cc phn sau:
- B tr chung: th hin tng i y v chi tit.- Lan can, di phn cch: ch cn chn tit din, khng cn tnh ton.
- Bn mt cu:
+ Tnh ton thit k phn BMC pha trong theo phng phpgn ng.
+ Tnh ton, thit k phn bn hng (khng cn xt trng hp xeva vo lan can)
- Dm ngang: ch cn tnh ton, thit k dm ngang gia nhp.
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n Thit K Cu BTCT 4
Nhim V n
I. Mc c bn:
2. Gii hn n:- Dm chnh:
+ La chn tit din.+ Tnh ton ni lc v t hp ni lc tc dng ln dm.
+ B tr cp d ng lc v ct thp thng.
+ Kim ton tit din dm TTGH S dng.
+ Kim ton tit din dm TTGH Cng I.
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n Thit K Cu BTCT 5
Nhim V n
II. Mc nng cao:
1. u, nhc im:a. u im:
- c lm LVTN chuyn ngnh Cu- im ti a l A.
- Thi gian duyt bi c nhiu hn.
b. Nhc im:
- Khi lng n nhiu hn, tn nhiu thi gian v cng sc lm n.
- Yu cu ca Cn b hng dn v phn bin cao hn
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n Thit K Cu BTCT 6
Nhim V n
II. Mc nng cao:
2. Gii hn n:
Yu cu sinh vin lm n cc phn sau:
- B tr chung: th hin y v chi tit.- Lan can, di phn cch: ch cn chn tit din, tnh ton, thit k.
- Bn mt cu:
+ Tnh ton thit k phn BMC pha trong
+ Tnh ton, thit k phn bn hng (xt tt c cc trng hp)
- Dm ngang: tnh ton, thit k dm ngang u dm v gia nhp.
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7
Nhim V n
II. Mc nng cao:
2. Gii hn n:+ La chn tit din.
+ Tnh ton ni lc v t hp ni lc tc dng ln dm.+ B tr cp d ng lc v ct thp thng.
+ Kim ton tit din dm TTGH S dng.
+ Kim ton tit din dm TTGH Cng I.
+ Tnh ton vng ngc.
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8
Hnh Thc Thc Hin
Mi sinh vin lm mt n ring bit.
Duyt n hng tun, thi gian do CBHD quy nh.
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9
Hnh Thc nh Gi
- im n l im trung bnh ca CBHD v CBPB.- im ca CBHD da trn cc tiu ch:
+ Chuyn cn, ham hc hi.
+ Trnh by thuyt minh, bn v.+ Kh nng hiu bit, tng mi, sng to- im ca CBPB da trn cc tiu ch:
+ Kh nng tr li cc cu hi.+ Trnh by thuyt minh, bn v.+ Kh nng hiu bit, tng mi, sng to
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n Thit K Cu BTCT 10
Cc Trng Hp Khng c Bo V
1. Khng np n ng thi gian quy nh
2. Khng hon thnh khi lng cng vic c giao.
3. Khng trnh duyt phn b tr chung v dm chnh.
4. S liu thit k khng ng vi s liu c giao.
5. Chp file ca ngi khc hoc cho ngi khc chp file v kt
qu tnh ton sai ging nhau.
6. Khi cht lng n ca sinh vin qu km, GVHD c quynkhng cho bo v n.
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n Thit K Cu BTCT 11
La Chn S Liu Thit K
- Da vo 2s cui ca M S Sinh Vin chn s liu thit k .
+ Scuicng chnchiudi nhp.
+ Sth2 chnkhcu.
+ Scuicng chndngmtctngang
+ Sth2 chnhnh thcDLcadmchnh
- V d: 1 Sinh Vin c MSSV: 1065825
+ 5 Chiudi nhp: 29 m
+ 2 Khcu: 7.5 m
+ 5 Mtctngang: ChI
+ 2 DngDLdmchnh: Cngsau
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n Thit K Cu BTCT 12
Chiu Di Nhp
STT Chiu di nhp Ghi Ch
1 18.6 m
2 22.0 m
3 24.5 m4 27.0 m
5 29.0 m
6 30.0 m
7 31.0 m8 32.0 m
9 33.0 m
0 35.0 m
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n Thit K Cu BTCT 13
Kh Cu
STT Chiu RngPhn Xe Chy
Kh Cu Vn TcThit K
1 7.0 m 7.0 m 40 Km/h
2 7.5 m 7.5 m 40 Km/h
3 8.0 m 8.0 m 40 Km/h
4 8.5 m 8.5 m 60 Km/h
5 9.5 m 9.5 m 60 Km/h
6 10.5 m 10.5 m 60 Km/h
7 11.0 m 11.0 m 80 Km/h
8 12.0 m 12.0 m 80 Km/h
9 13.0 m 13.0 m 80 Km/h
0 14.0 m 14.0 m 80 Km/h
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n Thit K Cu BTCT 14
Mt Ct Ngang
Loi Mt ct ngang Ghi Ch
A Ch I
B Ch T
STT 1, 2, 3, 4, 5: chn loi A
STT 6, 7, 8, 9,0: chn loi B
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n Thit K Cu BTCT 15
Hnh Thc DL
Loi Dng DL Ghi Ch
A Cng trc
B Cng sau
STT 1, 3, 5, 7, 9: chn loi A
STT 0, 2, 4, 6, 8: chn loi B
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n Thit K Cu BTCT 16
Yu Cu v Bn V
1. Th hin b tr chung ca cu
2. Hnh dng, kch thc v b tr thp trong lan can.
3. B tr thp trong BMC.
4. Hnh dng, kch thc, b tr ct thp trong dm ngang
5. Hnh dng, cu to, kch thc, b tr ct thp thng v ct thp d
ng lc trong dm chnh.
Ghi ch: Bn v 2, 3 v 4 c th v chung vo cng mt bn v
Cc bn v phi th hin trn giy A1
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n Thit K Cu BTCT 17
B Tr Chung
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n Thit K Cu BTCT 18
B Tr Chung
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n Thit K Cu BTCT 19
B Tr Chung
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n Thit K Cu BTCT 20
B Tr Chung
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n Thit K Cu BTCT 21
B Tr Chung
1. Khong cch v s lng dm Chnh
- Chn khong cch gia 2 dm chnh, S: 1100mm S 4900 mm
- Chiu di phn hng nn ly: (0.35 0.5)S.
- S lng dm chnh, Nb: N
b4
- Chiu cao dm chnh: (xem thm Bng 2.5.2.6.3-1).
- Chn tit din dm l ch I hoc ch T.
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n Thit K Cu BTCT 22
B Tr Chung
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n Thit K Cu BTCT 23
B Tr Chung
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n Thit K Cu BTCT 24
B Tr Chung
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n Thit K Cu BTCT 25
B Tr Chung
2. Lan CanDi Phn Cch
- C th s dng lan can dng tng, dng ct v dm hay lan can t hp.
- La chn tit din s b, chiu cao ti thiu ca lan can l 810mm tnh tb mt phn xe chy
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n Thit K Cu BTCT 26
B Tr Chung
2. Lan CanDi Phn Cch
- Khi BMC c 4 ln xe tr ln th cn phi b tr thm di phn cch gianhp:
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n Thit K Cu BTCT 27
B Tr Chung
3. Chi Tit Thot Nc BMC
- Bao gm li chn rc, phiu thu nc, ng thu nc,
- Cn th hin khong cch gia cc ng thot nc (5-15m).
- Din tch ng thot nc c xc nh theo din tch b mt BMC,1cm2ngthot nctngngvi1m2BMC. ngknh tithiucangthot nckhng nhhn100mm
- Mingngphithphnydm100mm vphivt 450trnh ncbnvo ktcu.
- C thsdngngthot ncdc thu gom nc t cc ng thotnc ng trn BMC truyn xung, sau dn xung ng thot ncngttivtr cc trhocmcu.
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n Thit K Cu BTCT 28
B Tr Chung
4. Bn Mt Cu:
- Chiu dy BMC c la chn tng i theo khong cch gia 2 dmchnh
- Chiu dy ti thiu ca BMC gia 2 dm chnh l 175mm.
- Chiu dy ti thiu ca BMC phn hng l 200 mm. Chiu dy bn hngc th thay i t mp bn hng n tim dm bin.
- Chiu di phn hng nn ly: (0.35 0.5)S.
- i vi dm T:
+ Phn cnh T ca dm T c xem nh phn BMC
+ Cng b tng phn BMC bng vi cng b tng ca dm T
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n Thit K Cu BTCT 29
B Tr Chung
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n Thit K Cu BTCT 30
B Tr Chung
5. Dm Ngang:
- Theo bin php thi cng c 2 loi:
+ Dm chnh cha l 30 - 36 lun ct thp dm ngang
+ Dm chnh cha snct thp dm ngang
- B tr ct thp theo 2 trng hp ny l khc nhau Kim ton kh nngchu lc cng khc nhau.
- Chiu cao dm ngang khng nht thit phi b tr ht chiu cao dm chnh.
- B rng ca dm ngang u dm ln hn dm ngang gia nhp.
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n Thit K Cu BTCT 31
B Tr Chung
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n Thit K Cu BTCT 32
B Tr Chung
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n Thit K Cu BTCT 33
B Tr Chung
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HAVE A NICE WEEKEND!
THE END