TIU CHUN XY DNG VIT NAM
TCXDVN 286 : 2003
ng v p cc - Tiu chun thi cng v nghim thu
Pile driving and static jacking
works - Standart for construction, check and acceptance
TIU CHUN XY DNG VIT NAM
TCXDVN 286 : 2003 Sot xt ln 1 ng v p cc - Tiu chun thi cng v nghim thu Pile driving and static jacking works - Standart for construction, check and acceptance
Download ti Tiu chun xy dng - http://tieuchuanxaydung.com
Website trong ngnh xy dng nn tham kho:
i siu th Sn phm & Vt liu Xy dng XAYDUNG.ORG
Trang thng tin Kin trc & Xy dng Vit Nam KIENTRUC.VN
Ca nha li thp 3AWindow http://cuanhualoithep.com
T vn thit k nh & Thi cng xy dng http://wedo.com.vn
Thng tin u thu - thng bo mi thu http://thongtindauthau.com
Th trng xy dng http://thitruongxaydung.com
Trin lm VietBuild Online http://vietbuild.vn
Xin giy php xy dng
http://giayphepxaydung.com
Kin trc s Vit nam http://kientrucsu.org
p cc b tng http://epcocbetong.net
Sa cha nh, sa vn phng http://suachuanha.com
B XY DNG ___
S : 14/ 2003/ Q-BXD
CNG HO X HI CH NGHA VIT NAM c lp - T do - Hnh phc
_______________________________
H Ni , ngy 05 thng 6 nm 2003
QUYT NH CA B TRNG B XY DNG V vic ban hnh Tiu chun xy dng Vit Nam TCXD VN 286: 2003 '' ng v p cc
- Tiu chun thi cng v nghim thu ''
B TRNG B XY DNG
- Cn c Ngh nh s 36/ 2003/ N - CP ngy 04 / 04 / 2003 ca Chnh Ph quy nh chc nng, nhim v, quyn hn v c cu t chc ca B Xy dng. - Cn c bin bn s 460A/ BB -HKHKT ngy 3 / 4 / 2002 ca Hi ng Khoa hc k thut chuyn ngnh nghim thu tiu chun '' ng v p cc - Tiu chun thi cng v nghim thu ''. - Xt ngh ca V trng V Khoa hc Cng ngh v Vin trng Vin Khoa hc cng ngh Xy dng.
QUYT NH
iu 1 : Ban hnh km theo quyt nh ny 01 Tiu chun Xy dng Vit Nam TCXD VN 286: 2003 '' ng v p cc - Tiu chun thi cng v nghim thu ''
iu 2 : Quyt nh ny c hiu lc sau 15 ngy k t ngy k ban hnh. iu 3 : Cc ng : Chnh Vn phng B, V trng V Khoa hc Cng ngh , Vin trng Vin Khoa hc cng ngh Xy dng v Th trng cc n v c lin quan chu trch nhim thi hnh Quyt nh ny ./. Ni nhn : KT/b trng b xy dng - Nh iu 3 Th trng - Tng Cc TCLCL - Lu VP&V KHCN PGS,TSKH Nguyn Vn Lin ( k)
Li ni u
TCXDVN 286 : 2003 thay th mt phn cho mc 7 TCXD 79 : 1980. TCXDVN 286 : 2003 do Vin Khoa hc Cng ngh Xy dng bin son, V Khoa hc Cng ngh B Xy dng trnh duyt, B trng B Xy dng ban hnh theo Quyt nh s:.....14...ngy: ...05...thng......6.... nm 2003
MC LC
1. Phm vi p dng .......................................................................................................... 4
2. Tiu chun vin dn ..................................................................................................... 4
3. Quy nh chung ............................................................................................................ 4
4. Vt liu cc.................................................................................................................... 6
4.1 Cc b tng ct thp ............................................................................................ 6
4.2 Cc thp .............................................................................................................. 7
5. H cc bng ba ng v ba rung ............................................................................. 8
6. H cc bng phng php p tnh ............................................................................ 16
7. Gim st v nghim thu ............................................................................................. 18
8. An ton lao ng ........................................................................................................ 19
Ph lc A - Nht k h cc ............................................................................................. 20
Ph lc B - H hng cc b tng ct thp khi ng ....................................................... 26
Ph lc C - Xc nh ng sut ng trong cc BTCT khi ng ...................................... 28
Ph lc D - Cu to m cc ........................................................................................... 35
Ph lc E - Biu ghi chi ng cc ............................................................................ 37
TIU CHUN XY DNG VIT NAM TCXDVN 286 : 2003
Sot xt ln 1 ng v p cc - Tiu chun thi cng v nghim thu Pile driving and static jacking works - Standart for construction, check and acceptance
1. Phm vi p dng
Tiu chun thi cng v nghim thu cng tc ng v p cc p dng cho cc cng trnh xy dng thuc lnh vc xy dng, giao thng, thu li, thay th mt phn cho mc 7: Mng cc v tng vy cc vn ca TCXD 79: 1980.
Nhng cng trnh c iu kin a cht cng trnh c bit nh vng c hang cc-t, mi nghing, cng... m cha cp n trong tiu chun ny s c thi cng v nghim thu theo yu cu ca Thit k, hoc do T vn ngh vi s chp thun ca Ch u t.
2. Tiu chun vin dn
TCVN 4453 : 1995: Kt cu b tng v b tng ct thp ton khi - Quy phm thi cng v nghim thu.
TCVN 205: 1998: Mng cc-Tiu chun thit k
TCVN 4091 : 1985 : Nghim thu cc cng trnh xy dng.
3. Quy nh chung
3.1 Cc thut ng v nh ngha
3.1.1 Cc ng l cc c h bng nng lng ng( va p, rung).
3.1.2 Cc p l cc c h bng nng lng tnh, khng gy nn xung lng ln u cc.
3.1.3 chi ca cc ng l ln ca cc di mt nht ba ng v 1 pht lm vic ca ba rung.
3.1.4 Ti trng thit k l gi tr ti trng do Thit k d tnh tc dng ln cc.
3.1.5 Lc p nh nht (Pep) min l lc p do Thit k quy nh m bo ti trng thit k ln cc, thng thng ly bng 150 200% ti trng thit k;
3.1.6 Lc p ln nht (Pep)max l lc p do Thit k quy nh, khng vt qu sc chu ti ca vt liu cc; c tnh ton theo kt qu xuyn tnh, khi khng c kt qu ny th thng ly bng 200 - 300% ti trng thit k.
3.2 Thi cng h cc cn tun theo bn v thit k thi cng, trong bao gm: d liu v b tr cc cng trnh hin c v cng trnh ngm; ng cp in c ch dn su lp t ng dy ti in v bin php bo v chng; danh mc cc my mc, thit b; trnh t v tin thi cng; cc bin php m bo an ton lao ng
v v sinh mi trng; bn v b tr mt bng thi cng k c in nc v cc hng mc tm thi phc v thi cng.
c y s liu cho thi cng mng cc, nht l trong iu kin a cht phc tp, khi cn thit Nh thu phi tin hnh ng , p cc cc th v tin hnh th nghim cc bng ti trng ng hoc ti trng tnh theo cng ca T vn hoc Thit k ra.
3.3 Trc c nh v cc trc mng cn c tin hnh t cc mc chun theo ng quy nh hin hnh. Mc nh v trc thng lm bng cc cc ng, nm cch trc ngoi cng ca mng khng t hn 10 m. Trong bin bn bn giao mc nh v phi c s b tr mc cng to ca chng cng nh cao ca cc mc chun dn t li cao trnh thnh ph hoc quc gia. Vic nh v tng cc trong qu trnh thi cng phi do cc trc c vin c kinh nghim tin hnh di s gim st ca k thut thi cng cc pha Nh thu v trong cc cng trnh quan trng phi c T vn gim st kim tra. chun ca li trc nh v phi thng xuyn c kim tra, c bit khi c mt mc b chuyn dch th cn c kim tra ngay. sai lch ca cc trc so vi thit k khng c vt qu 1cm trn 100 m chiu di tuyn.
3.4 Chuyn ch, bo qun, nng dng cc vo v tr h cc phi tun th cc bin
php chng h hi cc. Khi chuyn ch cc b tng ct thp(BTCT) cng nh khi sp xp xung bi tp kt phi c h con k bng g pha di cc mc cu. Nghim cm vic ln hoc ko cc BTCT bng dy.
3.5 Cng tc chun b
3.5.1 Nh thu cn c vo h s thit k, yu cu ca Ch u t v iu kin mi trng c th lp bin php thi cng cc trong nn lu lm r cc iu sau:
a) cng ngh thi cng ng/ p;
b) thit b d nh chn;
c) k hoch m bo cht lng, trong nu r trnh t h cc da theo iu kin t nn, cch b tr i cc, s lng cc trong i, phng php kim tra thng ng, kim tra mi hn, cch o chi, bin php an ton v m bo v sinh mi trng...;
d) d kin s c v cch x l;
e) tin thi cng....
3.5.2 Trc khi thi cng h cc cn tin hnh cc cng tc chun b sau y:
a) nghin cu iu kin a cht cng trnh v a cht thu vn, chiu dy, th nm v c trng c l ca chng;
b) thm d kh nng c cc chng ngi di t c bin php loi b chng, s c mt ca cng trnh ngm v cng trnh ln cn c bin php phng nga nh hng xu n chng;
c) xem xt iu kin mi trng th ( ting n v chn ng) theo tiu chun mi trng lin quan khi thi cng gn khu dn c v cng trnh c sn;
d) nghim thu mt bng thi cng;
e) lp li trc c nh v cc trc mng v to cc cc cn thi cng trn mt bng;
f) kim tra chng ch xut xng ca cc;
g) kim tra kch thc thc t ca cc;
h) chuyn ch v sp xp cc trn mt bng thi cng;
i) nh du chia on ln thn cc theo chiu di cc;
k) t hp cc on cc trn mt t thnh cy cc theo thit k;
l) t my trc c theo di thng ng ca cc v o chi ca cc.
3.6 Hn ni cc on cc
3.6.1 Ch bt u hn ni cc on cc khi:
- kch thc cc bn m ng vi thit k;
- trc ca on cc c kim tra thng ng theo hai phng vung gc vi nhau;
- b mt u hai on cc ni phi tip xc kht vi nhau.
3.6.2 ng hn mi ni cc phi m bo ng quy nh ca thit k v chu lc, khng c c nhng khuyt tt sau y:
- kch thc ng hn sai lch so vi thit k;
- chiu cao hoc chiu rng ca mi hn khng ng u;
- ng hn khng thng, b mt mi hn b r, khng ngu, qu nhit, c chy loang, ln x, b nt...
3.6.3 Ch c tip tc h cc khi kim tra mi ni hn khng c khuyt tt.
4. Vt liu cc
4.1 Cc b tng ct thp
4.1.1 Cc b tng ct thp c th l cc rng, tit din vnh khuyn ( c ly tm) hoc cc c, tit din a gic u hoc vung ( c bng vn khun thng thng). B tng cc phi m bo mc thit k, cc c nghim thu theo tiu chun TCVN 4453 : 1995
4.1.2 Kim tra cc ti ni sn xut gm cc khu sau y:
a) Vt liu :
- chng ch xut xng ca ct thp, xi mng; kt qu
