DUONG BO VA CUOC SONG
Dir an duong vanh dai 3 -
doan Mai Dich - Bac Ho Linh Dam
giai doan Z ve dich
KS LE VAN CHIEN
Hon m6t nam truoc Gay, du luan ro len ve viec: m6t so eau vupt m6i dupe xay dung'ng'n(
trong npi thanh dupe gan chuc nam nhu nga t u vpng, nga t u So... co the lam anh i i huong toi viec mo rpng va phat trien he thong GTVT nfii G6. van de n^y d3 dupe tactactai gia trao a6\ voi l<v su Nguyin wianh Hung - Ph6 Tong giam Goc Ban QLDA Thang Long, anh eho biet: "Doi voi eae eau khac toi I<h6ng dupe ro, e6n eau virot Mai Dieh thi^
khong co chuyen 66 vi n6 hoan toan phu hpp voi quy hoaeh va ke hoach trien khai du an dubng vanh dai 3 Thanh pho Ha Npi da dat ra.
DU an difofng vanh dai 3 doan Mai Dich - B^c ho
Linh Dam giai doan 2 Ngay tu nhung nim 1990, Bp GTVT di tien hinh lap bao cao nghien eiiu tidn kha thi du in dudng fltd vinh dai 3 Thinh phd Hi Ngi. Vi di duge Thu tudng chinh phii phe duyet tai vin ban sd 945/CP-KTN ngiy 13/8/1998. Theo do toan tuyen dai 75,1 km, xuat phit tii km 10+700 tren duong bic Thing Long - Ndi Bai, di qua cic diem khdng che: Ciu Thing long, nga tu Mai Dich - Thanh xuan - Phip Vin - ciu Thanh Tri - Sii Dflng {cit qua QL5 tai km5+520) ciu Dudng mdi - ngi ba Ninh Hiep (kml 5+100 cua QLl A moi) - Duflng Yen - Cat QL18 tai km 7+890 vi theo QL18 vd diem diu xuat phit.
ifefe^f
Thi cdng dudng tiip gidp kit noi vdi cdu vU0t Cdu Giay.
Trong sd cic dy in thinh phin, doan Mai Dich - bic Ho Linh Dam cd mat cat ngang rflng 68m dugc chia Lam 2 giai doan. Giai doan 1: XD duong dd thi vdi 4 lan xe co gidi d 2 ben, dai dit du tni d giua rdng 28m dugc trdng cay xanh. Giai doan 2: Khi nhu eiu van tai tang cao se XD tiep 4 lin xe cao tde di giiia.
Tli khi giai doan 1 ciia dy in dugc hoan thinh va dua vio su dung vio diu nhung nim 2000, ndi thflng Mai Dich vdi Bie hd Linh Dim (li diem diu cua du in cau Thanh Tri), thi tdc
do do thi hda tai khu vye niy di tang len dang ke. Nhit li do su chim trien khai h^ thdng duong vanh dai 4, nen dudng vinh dai 3 di khdng chi li duflng vinh dai giao thdng ddi ngoai ciia Ha Ngi, ed nhiem vy dau ndi cic duong qudc gia huong tim vdi nhau, mi cdn li tuyen dudng lien he tryc tiep giua cic khu dfl thi, khu cong nghiep va cic trung tim kinh te, thuang mai, dich vu ciia thinh phd Hi Ngi.
De giai quyet tinh tr^ng tic nghen giao thflng, dip ling dugc yeu ciu phit trien kinh te, xa hdi gieii doan trudc mit cung nhu liu dii, dugc su hd trg ciia Ngan hing hgp tic qudc te Nhit Ban JBIC, giai doan 2 di
nhanh ehdng dugc trien khai XD.
Nguydn tie thiet ke dugc dit ra la tren 8912m chiiu dii tuyen, bao gdm 385m duong din va 8527m cau can chay sudt, cdng trinh phai co ket eiu thanh minh, phu hgp vdi quy mfl ciia tuydn dudng vi cinh quan ki&:i tnie ciia thinh phd, dap ling duoc yeu ciu phit tridn tuong lai vi bio ve mdi truong dd thi. De thye hien yeu eiu trdn, cic kj su thiet ke cua Tdng cdng ty Tu van thiet ke GTVT trong qui trinh lap du an di nghien ciiu va de xuit giii phip su dyng tdi da vit lieu cudng dfl cao dl giam bdt kich thudc eua ket eiu. Die bidt li ip dung ket cau nhip dim Super-T, khau dg 40ra va try eiu Mdu 1 edt, xi mui
36 ' DtrdNG Bd Vltr NAM - Sd 45 (09/2012)
D U a W G B O V A C U O C S O N G
Mol duan dumo ranb da; i JLi X,u hing da lam ting tinh thim my cho cflng trinh, dim bio tinh ca gidi hda cao, nit ngin duge thdi gian thi cflng vi han che tdi da inh hudng tdi giao thflng trong khu vyc.
Qua trinh trien khai XD:
Dy in dugc chia lam 3 gdi thiu:
Gdi thiu sd 1:
Doan Mai Dich Trung Hoa (kml9+520 - km23+195) Dudng chinh tuyen dii 3575m {gdm 3183m ciu can ehay sudt va 392m duflng din len ciu), vi 2 nhinh re len xudng tai niit giao Trung Hda, mdi nhinh.
Nhi Thiu li lien danh Samwhan- Cienco4, gii tri hgp ddng 1416 ty.
Ngiy khdi cdng 20/2/2011, ngay hoin thinh (theo HD) 8/7/2013.
Thdi gian thi edng 870 ngiy.
Ddn dau thing 8/2012, di hoan thanh 88% khdi lugng giai ngin dat 1.016 ty. Dy kien hoan thinh trudc 30/10/2012, vd trudc tien dd quy dinh 8 thing.
Gdi thiu sd 2:
Do^n Trung Hda - Thanh Xuin {km23+195 - km25+265). Dudng chinh tuydn dii 2070m li ciu can chay sudt vi 4 nhanh re len xudng gdm 2 nhanh tai niit giao Trung Hda dii 210m vi 2 nhanh tai niit giao Thanh Xuin dii 200m.
Nha thiu thi cflng: Cflng ty TNHH XD Sumitomo - Mitsui. Gii tri HD:
1079 ty.
Ngiy khdi cong: 20/7/2011; ngiy hoan thinh {theo HD) 18/1/2014.
Thdi gian thi cdng: 913 ngiy.
Den diu thing 8/2012 da hoan thinh 79,17% khdi lugng, giai ngin dat 611ty. Dy kien hoan thanh truoe 30/10/2012, vd trudc tidn dp quy dinh 15 thing.
Gdi thiu sd 3:
Doan Thanh Xuan - Bie Hd Linh Dim (km25+265 - km28+532). Dudng chinh tuyen dii 3267m la ciu can chay sudt va 2 nhinh re len xudng tai niit giao Thanh Xuin dai 210m.
Nhi thiu thi cflng; Lien danh TLG- CIENC08 - CIENC04. Gia tri hpp ddng 1375ty. Ngay khdi cdng 4/6/2010, ngiy hoin thinh (theo HD) 22/11/2012. Thdi gian thi cflng 902 ngiy.
Ngay 30/6/2012 da duoc Bp GTVT td chiic le thdng xe.
Ddn diu thing 8/2012 di hoin thinh xong khdi lupng cong viec co bin, giii ngan dugc 1068 ty ddng;
dat 96,6% gii tri xiy lip.
Ve dich:
Vio nhiing ngiy thing 9 niy, du thdi tidt khdng thuin lgi, mua ning
that thuong, nhung nhung ai co dip di qua vanh dai 3 doan Mai Dich - Bac hd Lmh Dim deu ehiing kien khflng khi lim viec tap nip, khan truang eua cie nha thiu tham gia xiy dung cflng trinh. Con rit nhieu cflng viee hoan thien ciu nhu: Lim khe co dan, rii betong thim mat ciu, lip dung he thdng thoit nude, trdng ciy xanh lim cinh quan duoi gim ciu...
Nhung chic chan loi hiia eiia eae don vi tham gia xiy dung ciu tii chu diu tu, tu van giim sit vi eic nhi thiu thi cflng: thflng xe toan tuyen trudc 30/10/2012 chic chin se thinh hien thue.
Co tin mit nhin nhiing day try mgt cdt thanh manh dd cic phien dim Super-T nhin nhyi, thing tip va so sinh vdi cic ciu di duge xiy dung trong cac dy in trufle day, khdng it nguoi dan du khdng am hieu vd ky thuat xay dung eiu duong ciing phii trim trd khen nggi vd chat lugng ky thuit vi my thuit eiia cflng trinh.
Chic chan nhiing bii hpc kinh nghidm quy bin dugc riit ra trong qua trinh thiet ke vi thi cflng dudng vinh dai 3 giai doan 2 doan Mai Dich - bie ha Linh Dam se dugc cac ca quan ehiic ning eiia Bfl GTVT so sinh, danh gii vdi cic cflng trinh da lam dd ip dyng dai tra cho cic cflng trinh khflng chi ciia Thii dfl Ha Ndi mi cdn ciia ea nude trong thdi gian tol.*>
DlrtTNG Bd WET NAM - sd 45 (09/2012) 37