-
TH HAI
17
THNG 03 - 2003
-
D n Hm ng b Hi VnTHI CNG HM
-
Mc lcKhi qut Cng ngh thi cng hm mi ca o (NATM)Cc bn v mt ct hm
ng b Hi VnThi cng hm ti D n Hm ng b Hi Vn
-
Khi qut Cng ngh thi cng hm NATMCng ngh NATM c pht trin bi cc k s
ngi o t nm 1957 1965
Cc nguyn tc chnh:
NATM bao gm cc bin php m vic hnh thnh hoc t xung quanh hm c lin
kt thnh kt cu vm chng, do vic lin kt ny t bn thn n s tr thnh mt phn
ca kt cu v hm
Khi o hm, s cn bng hin c nguyn thu ca cc lc trong khi s chuyn
sang tnh trng cn bng mi, th cp v cng n nh.
iu ny ch t c thng qua s k tip ca cc giai on trc mt cng vi tin
trnh phn b li cc ng sut a dng
Mc ch ca NATM l kim sot c cc tin trnh chuyn i ny trong khi vn cn
nhc v mt kinh t v an ton.
-
Khi qut Cng ngh thi cng hm NATMS khc bit trong phn b ng sut xung
quanh hm
-
Khi qut Cng ngh thi cng hm NATMPhng php chng c - s dng sn
thp
-
Khi qut Cng ngh thi cng hm NATMTc ng vm ca h thng chng NATM
-
Khi qut Cng ngh thi cng hm NATMTc ng vm ca h thng chng NATM
-
Cc bn v mt ct hm ng b Hi VnH THNG CHNG Mt ct hm chnh, hm cu h v
ng ngang niB tng phun
-
Cc bn v mt ct hm ng b Hi VnMng chng thmB tng vm hmB tng phunLp l
thuytConcrete curbingDy cp inLc va xi mngDm mng b tng vm hmH thng
thot nc chnhRnh thot nc bn
-
Cc hng mc thi cng NATM trong D n hm ng b Hi Vn1. Khoan b mt hm2.
Np thuc n3. o v dn dp sau khi n mn4. Phun b tng, nu cn5. Kho st (lp
t sn thp, nu cn)6. Lp t khun b tng, nu cn7-1. Lp t neo thp 7-2. Ct
u neo thp 7-3. Ph u neo thp8. Thi cng dm mng9. Thi cng ng thot
nc10. Ph vi a k thut11. Lp t mng chng thm12. b tng vm hm
-
Cc hng mc k thut NATMNeo thpKhun + b tng phunSn thpVi a k
thutMng chng thmB tng vm hmDm mng
-
Cc hng mc thi cng NATM (1/12)1. Khoan b mt hm
-
Cc hng mc thi cng NATM (2/12)2. Np thuc n
-
Cc hng mc thi cng NATM (3/12)3. o v dn dp
-
Cc hng mc thi cng NATM (4/12)4. Phun b tng, nu cn
-
Cc hng mc thi cng NATM (5/12)5. Kho st
-
Cc hng mc thi cng NATM (6/12)6. Lp t khun b tng
-
Cc hng mc thi cng NATM (7/12)7-1. Lp t neo thp
-
Cc hng mc thi cng NATM (7/12)7-2. Ct u neo thp
-
Cc hng mc thi cng NATM (7/12)7-3. Ph u neo thp bng vi a k
thut
-
Cc hng mc thi cng NATM (8/12)8. b tng dm mng
-
Cc hng mc thi cng NATM (9/12)9. Thi cng ng thot nc
-
Cc hng mc thi cng NATM (10/12)10. Ph vi a k thut
-
Cc hng mc thi cng NATM (11/12)11. Lp t mng chng thm
-
Cc hng mc thi cng NATM (12/12)112. b tng vm hm
-
Kt lunTrang web ca D n: http://haivan.cup.com
Email: [email protected]
-
Xin chn thnh Cm n
