KHOAHQC BANH GIA, PHAT HIEN SdlM NGI Y C O S^ C O BE TA LAIM K 7 600 BEN K 75+600 TINH NGHE AN, TRlTOC M t A MlTA LU N A M 2if 17 Phiing VTnh An, Trin Quoc Unh Vien Thiiy Cdng Nguyin Cinh Thii Trudng[.]
Trang 1BANH GIA, PHAT HIEN SdlM N G I Y C O S ^ C O B E TA LAIM K 7 600
BEN K 75+600 TINH NGHE AN, TRlTOC M t A MlTA LU N A M 2if 17
Phiing VTnh An, Trin Quoc Unh
Vien Thiiy Cdng
Nguyin Cinh Thii
Trudng Dgi hgc Thiiy lpi
Tim tit: Bdi bdo n-inh bdy kil qda dp dting phuang phdp vd lieu chi phdl hifn sam nguy ca stf
cd cdng trinh de diiu cho de Td Lam dogn K 74+600 din K 75+600 huyfn Hung Nguyen tinh Nghf An trudc miia IB 2017 Kit qud ddnh gid cho thdy, dogn de nghien cuu khdng cd khd ndng xdy ra sif cd Diiu ndy dng phu hgp vdi thgc li diin bien trong vd sau miia lii bdo 2017
Tir khda: Phdt hifn sdm nguy ca su cd; hf thdng de diiu: Hf thdng tieu chi: Diem ddnh gia an todn
Summary: The paper presents Ihe results of applying the method and criteria for early delecting the risk of incidents for Ta Lam dike, sections K74 + 600 to K 75 + 600, Hung Nguyen district, Nghe An province, before the 2017 flood season Tlie evaluation results show that the research dike segment is not likely lo occur failure That also suits with process reality in flood season
2017 and after that
Keywords: Early detection method ofthe risk of incidents; River dikes; Criteria system; Safety
rating points
1 MdDAU
Hi$n nay, v i ^ phit h i ^ sdm nguy co su ci dd
diiu li lit h^n hiiii, hiu nhu chi khi su co gin
xiy ra ho$c dS xiy ra thi mdi phit hi^n d u ^
Tuy nhidn, nhihig s^ cd nhu viy thudng xiy ra
trong mita mua lii, nen Ichi phit hi^n ra thl vi$c
xu ly rit khd khin Vi viy, phuong phip phit
hi^n sdm nguy ca s\r cd cho dd diiu cd y nghia
quan tipng
Trdn co sd quy Irinh vi phuang phip dinh gii
phit hi$n phit h i ^ sdm nguy co su co di xay
dvng va di dupc gidi thi$u [3], v i ^ phit hidn
sdm nguy co s\r cd dupc theo cac npi dung
tuin tu: (1) Di thvc dja vi thu diip tii lidu: (2)
Viit bio cio md ta; (3) Lip bio cio dinh gii
phit hien sdm nguy ca sv cd V i ^ dinh gii
djnh lupng bing each cho diem d^a tidn cic
Ngiy nhjn bai: 30/3/2020
Ngiy thdng qua phin bien: 20/4/2020
Ngiy duyet ding: 24/4/2020
nhdm: Nhdm dinh gii sy phii hpp cua hp thing cdng trinh de cin dinh gii vdi thiit ki, quy ho?ch; Nhdm hi|n hjmg chit lupng cdng trinh; Nhdm ning luc ho?t dpng ciia don vj quin ly, v.v Kit qui cda toin bp npi dung la djnh lupng dupc diim trung bmh cua h^mg mvc hen tdng thang diim 100 Dua vio gii tri niy, xic djnh dupc miic dp nguy co sv c6 cd the xiy ra Trdn co sd dd, co quan quin ly cd cic bi?n phip phdng ngira, xu 1^ hoic chuin bj sin phuang in ddi phd niu xiy ra sv cd
2 K H A O S A T , DANH GIA PHAT H I E N SdM NGUY CO SV C 6 DE TA LAM HUYtN HlTNG NGUYEN TINH NGHE
AN DQAN Ttr K 74+600 B t N K 75+600 2.1 Vii ndt vi doan d^ nghidn cihi [21
Dd Ti Lam huy?n Hung Nguydn li cdng trinh thudng dupc tinh Nghd An xip vio d^g ^
trinh hpng diim phdng chdng l^t \,^ ^
nim Ngiy 24/05/2017, Bd N d n g N g h i ^ j
Trang 2SOMD
P T \ T d a c 6 c 6 n g \ a n s 6 42S2 B \ N - T C T L \ e
MC'C bao \ c trpng diem de ke, cong xung yeu
nam 2017 Trong do, Nghe An co 3 diem xung
veu deu ihupc de Ta Lam la doan tir K 74+600
K 78+660, doan K 80+600 - K 82+650, doan
K 58-500 - K 61+000 Trong do, doan K
74+600 -r K 78+660 dugc xep uu tien so 1 vcn
cac npi dung trpng diem la " De nam tren nen
cat tho, day tir 5 -^ 13 m cho nen da nhieu lan
gay ra diin, siii tren dien rpng, tuy da xii ly sau
lu bang dap phan ap nhung chua triet de \ i ting
cat tho qua day va viing dan cu dong due kho
thi^c hi?n Vi vay, viing nay khi muc nuoc dang
len cao de gay ra hien tuang dim, siii tren dien
rpng, day la nguyen nhan gay va de He thong
ke mo han khu vuc Hung Xuan may nam qua bj
xoi la manh, nhat la phan ha luu cua cau Yen
Xuan, lam cho kc bi sut mai, xoi sau chan ke,
bo song bj la manh Mac dii da co xir ly hu
hong cua ke, song doan song nay dang co xu
huang xoi la m^nh bo ta, phan dong chay
huong ve phia lach song ciia xa Hung Lam
-Hung Nguyen co xu the manh len"
Htnh I: Mat bang hien trgng dogn de nghien am
Dc kiem tra phat hien va danh gia muc dp an
toan cua cac trpng diem neu tren da chpn doan
de lir K 74+600 ^ K 75+600 da ap dung thu
nghiem viec danh gia phat hien sam nguy ca
s^r CO [ I ] Cong tac danh gia duoc tien hanh
ngay sau thoi diem cong van cong bo va truac
thoi dicm lu nam 2017
Trcn hinh 1, la mat bang vi tri doan K 74+600 +
K 75+600 tren tuyen de Ta Lam Day la khu \TJC
nJm phu can a thanh pho Vinh, tren true duang
Quoc Ip 1 tuyen Bac Nam tranh thanh pho Vinh
\a Quoc Ip 46 Phia Bac giap voi huyen Nghi
Lpc Phia \ a m giap vai huyen Dire Thp tinh Ha
T^nh; Phia Dong giap voi thanh pho Vinh; Phia Nam \ a phia Ta\ giap vai huyen Nam Dan tinh Nghe An Tom tat dac diem tu nhien \a hpi viing nghien ciiu nhu sau:(l) Khu vyc co dieu kien nhiet dai, viing khi hau co nhieu dSc thii phan di ro ret va theo cac miia; (2) Dia chat khu vuc nam tren nen cat tho, day tir 3^5m nen co the xay ra kha nang xuat hien mach diin, mach sui (3) Kinh te nong nghiep giii vai tro chu dao, dpc canh ca\ liia; (4) Ha tang xay dung tucmg doi hoan chinh gom dien, duang, truang, tram, mang luai giao thong dupc khep kin, be tong hoa den tan cac thon
Theo nhan dinh cua co quan chirc nang dja phuang cac nguyen nhan khien cho doan dc khu v\rc nghien cuu xuat hien su co: (1) Do dong chay doan song bien doi phuc tap hinh thai song khong on dinh, nhat la sau khi cau Yen Xuan duoc m a rpng them 3 nhjp vc phia Nam, trong khi co lu, dong chay xoay cupn tai cac lach sau gan ba ta gay ra sat la he thong ke bao V? bo; (2) Nang han keo dai, nen de lgi nam tren tang cat co chieu day Ion khien dat than de mat nuoc, dat tra nen hao nuac va dc bi pha vo ket cau khi co mua; (3) Than de dap bang thii cong, qua ap tnic, boi dap nhieu lan nen dja chat khong dong nhat, chenh lech cao trinh giira dinh dc va chan de phia song la 6,9 m
2.2 Khao sat, danh gia phat hien sdm nguy
Cff s y CO
Doan de danh gia, phat hien som nguy co sir co
CO chieu dai 1 km Doan dau K 74+000 den K 75+178.39 CO cau triic dja chat: (1) Lop la la lap than de dap bang dat set pha xam nau, xam vang, trang thai nira cung; (2) Lap 1 la lap nen
de tren cimg bang set pha mau xam nau, trang thai nua cimg; (3) Lap 3b la lap cat hat mm mau xam trang, xam den ket cau chat vira Doan ti6p theo K 75+178.39 d^n K 75+588.92
CO cau true dia chat: (1) Lap la la lap than de bang set pha xam nau, xam vang, trang thai nira Cling; (2) Lap I la lap nen de bang set pha mau xam nau, trang thai nira cung; (3) Lap 2b la
Trang 3KHOAHQC •.l.i;i« l5 l,l!I JB
ldp s^ pha miu xim nfio, xim tiin^ xim xanh
xim ghi, tifng thii deo mim
Hitth 2: Cau true dfa chai trin mgi cdt dgc <£
K 74+586.91 +K 75+588.92
Tidn do»n dd niy, v€ phia ding cd d- *ng g""" IhSag nim tren ca de, s& duAng giao :.':ang li toin bp khu vyc ngodi din smh sdng cdng trinh chii yiu li nhi cua, khdog cd ao nudi
thuy sin Phia ddng h$ sd mii ni=2, phia sdng
m=3 Tren mil mii vi 2 phia, cd t(r nhien a d^ phaong mpc khi tdt Mit dmh de bing dit cUiu rdng trang bnih B=3m Vi pfaia sdng sit
CO de li Ui dit, tfi dly nhung ngodii dan dia phuong dung len nhiing 1^ tfm dd anh sdng (vi pfafm hanh lang bio v^ de) Sat vdi t b ^ ii Ifcb nudc nhd rOng khoing 3m, tiip theo la bii bdi do sdng dunh each do khoing hon 1 km bdi len
Tfi vi bi K 75+186 cd cing hidi qua de Hung Xuin xiy dvng nim 2007 bing BTCT, chiiu dii L=3S,2 in, khiu dp 0,8x1,0 m, cao trinh diy cing 44 m
Hmh 3: Di Td Lam tgi K 74+000 Hinh 4: Ao nudi thuy sdn phia song
Cdng boat dpng bing each dung miy bom each md cua van tren cong cho mrtc diay vio nudc til sdng vio hi Tudi cbo rupng phia kenh chit nh|t BTCT Dinh gii so bp cone sdng bing each md cua van Uvc vit V2 di ttinh niy vln boat dpng tit, d i t lupne cone nudc chiy vio kenh Tudi phia ddng bteg trinh bao dim
Huih5: DeTdLamlgiK74nhinviK75 Hmh 6: Vj Iri cong tudfi ttn^JSi
Trang 4I KHOAHQC • < l ? l e l ; M ! l ^
T?i vj tri nay, co mpt doc len de bang be
tong ch^y qua dinh cong Dau doc, la mpt
doan dinh de da dupc cung hoa bang be
long noi vao b3i khai thac \ a tap ket vat
lieu cat da Khu v u c nay rpng khoang 300 m"^, nam ngay ben kenh nho Cach cau bac tren song lan khoang 4 ^5 km theo d u a n g chim bay
Hinh 7: Kenh ddn BTCT phia ddng Hinh 8: Be xd vd kenh ddn phia song
Doi di?n vai bai tap ket vat lieu ben kia ducmg
la truang hpc cap II va hat Quan ly De Dieu va
PCLB Hung Nguyen vai bai du trir vat lieu tai cho trong khuon vien ciia hat
Hinh 9: Bdi lap kei vdl lieu phia song Hinh 10: Hgi qudn ly de
Tren doan K 75+186 + K 75+500 \k phia song
CO CO mpt mo han nho bang da nam phia ngoai
nha dan a (trong hanh lang bao ve de) M6 han
chi cao han mat dat chimg 0,7 + I m, dinh mo han khoang 0,5 m Cach do 70 m - 100 m, mo ban thu 2 co ket cau tuang tu
Hinh 11: Bdi vdt lieu du phong PCLB Hinh 12: Nhd ddn phia ngodi c
Trang 5Mot dau ticp giap chan dc mpi d^u nim sal doan cung co mpi so nha dan co k HI kic'i kenh Trong doan na> chan dc each song i:o nam ngoai de \ c phia song,
nhanh (kcnhi khoane 70 m - 100 m Trong
Hinh 13: Mo hdn ihii 1 (phia ngodi nhd ddm Hinh 14- \to hdn thu 2 (tren bdi cdch mo
hdn ihunhdl ~0 m^lOOm)
lis doan ircn cho den cuoi doan tai K 7^+000
do^n na\ de nSm tren b3i oni: dinh de rong
mai phia dong rat thoai \ e phia ducmg Qua
ducmg nh\ra la ca bai dat iroPLi rpng phia song
cung luang t^r Qua khao sai danh gia thvc
dja, CO mpt so nhan \ e l nhu sau: (I) Nhm long
the lir doan K 75-00 d^n K 76-00 de c6 k^l
cau vimg chac soni: chinh nSm rat \a chan de
Tren hanh lang bao \ c phia ngoai dc ion t ^
nhieu nha dan co ket cau vimg chac chimg to
irony nhieu nSm tro lai da> khong co nuac len
den them chan de (phia song); (2) Mat de chua
dupc cimg hoa iu\ nhien nha lap soi phu mSi
\ a CO tu nhien nen kho co kha nang bj \oi
mat Than de dinh de khong co cac hang hoc
va hien luong moi than de; (3) Duong giao
thong nam o co dc phia done da dupc rai nhua
duang on dmh khong co hi?n tuang nih \ o
mac dii co nhieu \ c tai luu thong do khai ihac
cat, >oi tren c^ic bai tap kei tren song; i4i
Trong do^n K ^4+000 ddn K ' 5 - P S 39 n^n
dc CO kha nang tham nuac qua nen cat da> tir
5-13 m nen co the \ a \ ra kha nang dim mach
sui Tuy nhien do lap cat nam duoi sau \ a han
niia phia dong hau nhu chi co nguai dan sinh
song, khong co nhicu ao ho nuoi trong thu>
san \ i \ a \ kha nang tham nguy hiem gay v a
dc la Ihap; (5) Danh gia mot each tong the de
Ta Lam lir K 75+000 den K 76+000 nhin chung la an loan, tuy nhien hanh lang bao \ c
dc thi dang bi ngucri dan lan chiem, de sinh song \a khai thac van chuyen tap ket \at lieu Irong pham \ i hanh lang bao ve de Cac c^p quan ly can \ u ly dirt diem tinh trang nay 2.3 Kcl qua phan tich, danh gia som nguy
C f f S l ^ CO
2 ^ 1 \iiinvti tac chung
Nhu da trinh bay trong npi dung [1] [6], d6i
\cri doan dc bao gom de va cac cong trinh tren
dc CO anh huang den an loan de (c6ng qua de iran.\.\ l so diem danh gia an loan (bao
<2om do va cac cong trinh) = (0.7*t6ng s6 didm
cua de ) - (0,3*t6ng s6 didm irung binh cua cac cong trinh trong doan dc do) Didm t6ng hpp se dupc so sanh vai ihang diem chuSn, tir
do kdt luan \ c linh irang cong trinh Sd didm
. is
cong trinh dupc tinh bang - ^ ; jrong do: n
la so cong trinh co trong doan xem xei; V s
la long so diem ciia n cong irinh
f-ii~: nang \av ra s
Tieu chuan xem xdt , , , „g ,^^ ^a sued" (| Cong Irinh dam bao chat luimy khi s6 d '
Trang 6= 80 diim; (2) Cdng trinh khdng dim bio chit tic diiu tra thyc dia, tiin hanh dinh gii ddi vdi
lupng khi s i diim < 80 diim can sda c h i ^ cac h^ng muc thudc doan de nhu sau:
ning cip hoSccdkihosch chuin bi niu xay ra 2.3.L1 Ddnhgiaddivmcdngtrendi:
svcd
a Cong tieu Xuan Hd (tgi K 74+ 789)
Trdn cic ca sd dd, sau khi thuc hi#n cdng
Bing 1: Diim danh gii cing tilu Xuan H i
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1.2
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phCl hgp vdi hd so thi€t k^da dugc phS duyet
Ifi$ntr9DKCdiiK trinh
B&nh gi^ tinh tr^ng duy tu, bao dudng cong tiinb
D ^ giS muc do Hh chi^m xfly dung t r ^ ph£p trong h ^ lang
bio v$c6ng trinh
Xb ly c^c su c^ xiy ra trong qui trinh vfln hanh
Quy trinh vfln h ^ cdng trinh
Hd so nh|t ky ghi ch^p qud trinh bo^t dOng c&a cdng tnnh
Miic dO hu hdng phin x9y ddc t h ^ cdng trinh g9y m^t 6a djnh
cdng trinh
Muc do hu hfing cic hang muc xSy due tudng hu6ng ddng, sSn
thugng luu gSy mSt Sa dinh cdng trinh
Muc dg hu h6ng cac hang mgc xfly due tuoog huong dong, san h%
luu, be ti&u nflng gdy mSt dn dinh cOng trinh
Muc dO hu hdng hem phai, dan van cong t d e
Dinh gii tinh u ^ g xt djch, d ^ diy, rd ri, thim liu nu6c lai cic
vi Iri kbdp ndi giOa cic c£i ki$n cong trinh
Dinh g i i h i ^ tmng phin dep giap giOa phin xay due v i dSt c6
hien hjgng lun, sul, sat 16, rd ri, dilm lau nudc
O d t i t e
l ^ h g p khdng phd hgp pbi^hgp khong phd hgp
thudng xuyen Uiong duong xuy^
khdng khdng cd
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Cic btng a v c i M bi: Miic do l » h i i « hio miia cic b$ ph$n
dfiog mo ahu miy dfiog mi; hiriixcbirii ling lich •-phai dam
bao boa dfiog m n mi ldi Bing qpii trinh vao hanh
Nini! hpc ban d t K C t o i Irinh
Mic dd dam bio mdi lifai pbOng 10 dm dOng so vdi n h i ^ vu
Ihid ke v i quy boacfa <& dope ph£ duyet
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phd hgp vdi hd so d a a kt d i dope phi duyil
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phdbop khdng pho bop phd bop khdog pho bop
thudng xuyen khdog thudng xuyen khdng khdng c<i
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NOi dung chi U^
Ho so nhat ky ghi chep qua trinh hoat dong cua cdng trinh
MtJc dg hir hong phan xa) diic than cdng trinh ga\ mai dn dir^
cong trinh
Mm: do hu hong cac hang myc xay due tudng hudng ddng '.an
thugng luu CO the gay ra mat on djnh cdng trinh
Miic dp hu hong cac hang muc xay diic ludug hucmg dong san
ha lim, be tieu ning, co the gay ra mat on dinh cdng Irinh
Miic do hu hdng hem phai dan van cdng lac
Diinh giii tinh trang xe dich dim day ro ri tham lau nuoc tai cac
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Diinh gia hien trang phan tiep giap giua phdn xay due va dat cd
hi^n tugng ldn, sut, sat la rd ri, tham lau nuoc
Cac hang muc co khi: Mirc do hu hong canh cdng didu tiet hem
phai (neu cd)
Cac hgng muc Ihiel b i Muc dd hir hdng, hao mdn cdc bd phan
ddng md nhu may dong md banh xe banh rang, xich phai
dam bao ho£it dgng iron tru tdt trong qua trinh van hanh
Cdng Irinh khong co vat noi riic lu mde ket gay can trd ddng
chay
Ning Igc ho^t ddng cdng trinh
Miic do dam bao tudi tieu, phdng lu chu ddng so vdi nhiem \ u
ihiel ke va quy hoach da duoc phe duyet
Cons \'an hanh tron tru kip thdi phuc vu yeu cau san xuai ngan lu
Tdng cdng
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khdna cd cap 1 cap 2 cap 3 cjp 1 cap 2 cap 3 cap 1 cap 2 cap 3 cap i cap 2 cap 3 khdng cd
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B a n g 3 : D i e m d a n h g i a d o i v o i d o a n d e
TX
1
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1.2
NQI dung chi li€^t
Miic dd phii h^p vdi quy hoach, thiet k^
Cd moc chi gidi pham vj bao ve de dieu tren thuc dia
Mat cdt cua de vin cdn khoang luu khong can thiet du de bd tri
h^ thdng lieu thoat nudc 6 ha luu, md rdng chan de \a mai de
khi phai nang chieu cao dinh de trong mong lai
Chi tieu
cd
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khdng phii hop
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5
Trang 9NQidigcfaiPft
H i o h b i ^ h i o v e i f i
EKi rai ke bio v^ dc o&c q n A Aigc ^ I p Ik ] * • x ^ IIK cua cing datehkm^JtofiaeqMd&iipraiDdiitn50m Dinh gia dp g a cao a KdB c n cOig traih (te s c ^ so vdl muc
O B C S i ^ HS dn^D c o i mil <fi 14)
B t » m ^ c f l i ! 6 h h
N^i) CI'sy 16 Usn tbo nbo m|i d l dc so VOI doh ke
Co h i ^ topi^ thim qua tbJbi d l
T> le % diiJn (tti ft xuft hi^n tf^ m& i n i ^ ddn A so v«i ^ chi& dii defalked
Tyl$% ciu^diidtc6lB{nni7ngl6siLiii9cli9b.ii4didQiL bgc (tt gi&ig pbvt so MM lAag dii&a dai d o p d l c i i xem ] ^
T:y 1$ % chiiu dii dl cA h i ^ tupng s ^ to b^ ni|i kbfii^ dam bio yfai d u dii6 kf so vdi idi^ sfl md dl hifn cd
Ty Ic % c h i b dai dl cd hioh Img cdi^ triah b{ l » dbtioi so vdi
^ d n f a d i i d c
22.7
3
Cd h i ^ tupng tn^t Sft mai dl
rmhtJBJiqQiBt^.dBytnbfcidoflBg
Ihudng xuy£s kioD tra, d m ddi diia bieb tHdi n^i^ dl 1 ^ bd
sa Ion 00 c|p nh$ dmdi^ xoyoi c ^ ( b l i ^ ve d l (&ea
Fhil luen c6 bifs ph^i ogiD d i | a kip didi v« k i a i ^ xii ly hirii\iviphpnph^hijtTCdl(fieM
Tuia tra pUt h i ^ bao cao kip dni dirii t r ^ dl dieu diin t n ^ cac hubdi^sy code
Cd 10 chic hp: tapng quan ly de nhte dan ( c ^ xi) dam gia cdng tac qoai l y bao v^dl
TfegoQPg
Trang 102.3.2 Tdng hgp kit qua danh gid
DiSm ddnh gifi trung binh tren do?n de nghien
CIJU: 82,5 (diem); DiSm danh gia an toan doan
de dang xem xA: 0,7*85+0,3*82,5 =84.25
(diem) Nhu v§y, d6i chiiu voi quy tic va tieu
chuAn dfinh gia [1] c6 so diem danh gid la
84,25 > [80], do d6 do^n Ah Ta Lam K 74+600
-^ K 75+600 huy$n Hung Nguyen tinh Nghe
An khong c6 kha n^ng su cd
3 Kl&T L U i ^
Thong qua phuong phdp vd tieu chi phat hi|n
som nguy co s\i co d3 du(;rc de xuat, dd dp
dyng tinh todn thu cho mpt s6 cdng trinh trgng
dilm, trong d6 dofin de trpng diem Ta Lam K
74+600 ^ K 75+600 thu^c tinh Ngh§ An Vipc
ddnh gid dugrc thi;c hipn trinh tij theo quy
trinh, bdt diu tfr cdng tde khdo sdt th\rc dia, thu
th^p s6 li^u, c6ng tde cho diem va vidt bdo
cdo Ket qud tinh toan cho thay d o ^ de Ta
Lam K 74+600 - K 75+600 thuOc tinh Nghp
An khdng c6 khd nang xay ra s\r cd Nhu vay,
c6 the thAy ket l u ^ ndy khdc v6i npi dung dd
de clip trong cdng vdn s6 4282/BNN-TCTL
TAI U%\} THAM KHAO
ngdy 24/05/2017, trong dd ddnh gid doan tir K 74+600 - K 78+660 Id vj tri trpng didm, c6 nguy CO mat an toan Su khdc nhau dd, cd the gidi thich do each danh gid pham vi trpng didm trong cdng van mang tinh chit tuong d6i, phv thuoc cd chu quan lln khdch quan ciia ngudi ddnh gid
6 e giiip cho cong tac phdt hi^n sitm nguy ca s\f cd cho de dieu, can thilt phd bien phuong
phdp ndy bdng c^h bd sung vdo tdi Ii$u [3]
"Huong din tuan tra, canh gdc bao v$ de dieu trong miia mua lu" Nhdm phdt hi$n sdm nguy
CO su cd cho cdng trinh trudc vd trong mda lu,
de de phong va giam thieu nguy co xdy ra
L d i CAM ON Nghien cuu nay ta ket qud nghidn cum cua D I tdi cdp Nha nudc "Nghien cihi cdng ngh$ phdt
hipn sdm nguy ca s\f cd d€ sdng, d$p dit, dd,
be tdng trpng lyc va dd xult giai phdp xu \f
md s6: DTDL.CN-04/16 do Trudng B^\ hpc
Thiiy lpi chii tri, V i ^ Thuy cdng ph6i hpp th\rc hipn phin cdng ngh^ phdt hi^n sdm an toan de sdng
[1] Bao cdo chuyen dd 1.2.1 C (2017) X^ dung quy trinh ddnh gid, phdt hi^n sdm nguy ca stf CO Vipn Thiiy Cdng, Ha Npi;
[2] Bdo cdo ddnh gid (2017) Hi$n trgng cong trinh de dieu vd phucmg dn hg de tinh Ngh^ An
Sd Ndng Nghiep va PTNT tinh Nghp An;
[3] Thdng tu s6 01/2009/TT-BNN (2009) Hiccmg ddn tudn tra canh gdc bdo v$ di dieu trong mua mua lu B0 Ndng nghipp va PTNT, Ha NOi;
[4] TCVN 9902:2016 Cdng trinh Thuy lgi - Thiit kiyeu cdu thiit ki de song Bp Khoa hpc vd
Cdng nghp Ha Npi;
[5] Phiing Vmh An va nnk, Phucmg phdp phdt hien sam nguy ca syt co de song vd cong dudi
di, Tuydn t|lp khoa hpc cdng n ^ e 60 nam T?p chi KH & CN Thuy lpi, 626-636