Nghien cufu & Trao d6i
?•NGHIEN CU'U BIEN HJNH LONG DAN DOAN SONG TAN CHAU HONG NGU' BANG MO HINH CCHE2D
TS. Nguyin Ky Phiing - Dai hoc Khoa hoc Tu" Nhien Tp. HCM TS. Nguyin Thi Bay - Dai hoc Bach Khoa Tp. HCM
7
K)ng bai bao, cac tac gia da trinh bay nhCrng kit qua nghien ciru bing md hinh vi ddng chay ddng bun cat va diin biin day khu vwc sdng Tan Chau - Hdng Ngw trong hai miia lu va kiet Trong nghien ciru, md hinh ddng chay 2 chiiu CCHE2D da dwac sir dung di tinh toan. Cac kit qua tinh dwac cd so sanh vdi sd lieu thwc ti. chi ra dwac nhwng vj th hd xdi, cung nhw bai bdi, ddng thai phan tich dwac xu hwdng dich chuyin ciia cac cu lao.1. Khu vipc nghien ciPU
Tan Chau - Hong Ngy la mot doan eua sbng Tiln dai khoang 24km, b l rbng nhb nhlt la 500m, rbng nhlt 5500m. Trong vung cb nhiiu con va cu lao lan dan xen dbng chay.
Khu vyc nay eb chi dp thuy luc va dbng bun cat rit phipc tap: Vao mua lu lan, hien tupng boi xbi ba va Ibng din diln ra manh va phiPc tap. Trong db, chju anh huang nang n i cua viec xbi lo tren la doan bb' cua thj trin Tan Chau. Thi trin nay trai dai tren
ba sbng Tien khoang 5 km tip kSnh Chau Doc din sbng Cai Vu'ng. Tai day, dbng chay chuyin hubng dot ngbt vol mot gbc 1200 (nhu mot khiiy tay) va bi rbng sbng thay doi dot ngbt . Hien nay doan sbng nay dang tiln hanh lap h i xbi, va xay ba ke bao ve (xem vj tri khu vyc nghien cipu a hinh 1).
Trong bai nghien CU'U nay, chung tbi dya vao mb hinh CCHE2D de tinh toan va mb phbng chi dp thiiy luc va diin bien Ibng din chp doan Tan Chau - Hong Ngy.
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Hinh 1. Khu vyc Tan Chau - Hong Ngy
Ngub'i phan bi$n: TS. Nguyin Kien Dung
36 Tap chi Khi tiiiing Thuy van * Thang 12/2008
Nghien cufu & Trao doi
2. Mo hinh CCHE2D - B « I -im! <:.^-. v
Mb hinh CCHE2D la mb hinh mb phbng qua trinh truyin thuy lye, chuyin dpng biin cat lo lifng, bijn cat day va diln biln Ibng d i n thubc trubng Dai hpc Cbng Nghe Mississippi, nb gom 3 mb hinh sau: [1]
- Mb hinh tao lubi: dung d l tao luai gia tri tren he tpa dp cong.
- Mb hinh sb:gbm 2 module d l tinh toan qua trinh thuy lye va bun cat.
- Mb hinh giao dien db hpa: diing d i giao dien de nhap cac thbng so, so ^eu.
a. Cas&ly thuyet ciia mo hinh
Mb hinh dupe thilt lap dya vao lai giai cua cac phuang trinh eo ban nhu sau:
Phuang trinh mb ta cae qua trinh thiiy lyc:[2]
- Phuong trinh lien tuc :
du
dr] d{hu) d{hv) ^ dt dx dy
Phuang trinh dbng lupng theo phuong x : (1)
m Su
—+M — + v — dt 5x ov
dl] 1
* & h
oihTjJK)
dx dy
- — + / • V
ph^'" (2a)
dv dv dv dri \
— -\-u —-l-v — = -g—^-f- — dt dx dy dx h
Trong db: rj: cao db mat nub'c (m).
h: dp sau cot nuac (m).
u, V. van toe trung binh chieu sau theo hai phuang x va y (m/s).
g : gia tbc trpng truang (m/s^).
f^: he so ma sat day fcor • thbng so Coriolis.
^ « ' ^:cy ' ^y.v ^ ^ ^yy • l l n l U p t la CaC U'ng S u l t
Reynolds (N/m^).
^hx' ^by ; lan lupt la cae ifng suit tilp day (N/m^).
cac phuang trinh tren dupe rb'i rac hba trong miin tinh dS dupe tao lyb'i tryb'c, va giai bing phyong phap phan tu- hl>u han, vb'i cac dieu kien bifen va ban d i u sau:
Dilu kien ban dau:
Neu eb dIJ' lieu: dilu kien ban d i u dypc eho
dihr^J ^dihr^) dx dy
by f
pn (2b)
dt dx dz dz dx
dubi dang myc nub'c va van toe tai thbi diem t = 0 tren tii'ng diim cua luoi tinh .
Nlu khbng cb du' lieu : dieu kien ban diu dupe cho dual dang myc nubc la myc nubc tTnh, van toe dbng chay bing khbng.
Dilu kien bien:
Tai bien eifng: van toe theo phuang phap tuyIn vol bb bing khbng: Up = 0 .
Tai bien Ibng: cho chuoi dao dpng myc nuoe hoac luu lupng (van toe) theo thbi gian
Phuong trinh chuyen tai biin cat [3]
Trong mb hinh, chip nhan sy di chuyin biin cat chia thanh hai lap: dbng phu sa va dbng bun cat day. Dbng phu sa chilm ITnh hiu nhu hoan toan dbng chay theo dp sau va nim tren dbng biin cat day.
Phuang trinh chuyin tai phii sa:
{ 7> \ dc.
(3)
£ — ^
I ' ^ J
d
H
dy
f ^ \
£,—-
I ^ }
d
-t- —
•dy
^ Sc,\
{ dz J £,m-
ydi.
ck : nong dp phii sa(kg/m');
<yjt : van toe ling dpng (m/s);
u.v.w: thanh phin van toe theo hub'ng x, y, z(m/s);
£•: : h^ so phan tan cua biin c a t ( f , = v , / c r j ;
V : he sb roi Prandtl - Schmidt chap nhan khoang til'0.5 din 1.0);
cb : la nong db phu sa tai mat phan gibi giira dbng phii sa lo lirng va dbng biin cat day
O l tinh diln biin day, mb hinh da sii' dgng:
- Phuang trinh lien tuc vat chat day:
1/ • la h6 so nhbt roi (m^/s);
Tap chi Khi ti/c/ng Thuy van * Thang 12/2008 37
A>.
Nghidn cufu & Trao doi
I l - P j ^ ; - + — : — + ^ — + -;—--•tj^i+^M (4)
Vbi: p': dp rong cua vat chit day.
Ctii : nong dp trung binh cua biin cat tai day (kg/m^).
qbkx, qbkx,: thanh phin chuyen tai biin cat day theo phuang x va y (kg/s/m).
Ebkva Dbk: Ham sb ngubn, mb ta qua trinh bbc len va ling xuong eiia hat tai lap phan giai.
cac phuang trinh se 6\jeac giai dong nhit trong luoi cong eiia khu vyc tinh toan bing phuong phap phin tit' hQ'u han.
3. Tinh toan cho doan song Tan Chau - Hdng NgiF
Cac thdng sd tinh toan:
Luai tinh khu vuc:
Mb hinh tao luai dup'c sir dung de tao luai cho khu vue tinh toan, vai buoc khbng gian tir 18m din 220m (hinh 2).
Buoc thai gian:
Bubc thai gian dupe chpn trong tinh toan la A/
= 900s.
Thdng sd thuy luc
Dilu kien bien dupe nhap vao dual dang chuoi luu lupng Q(t) (cho bien tren) va Z(t) (eho bien dubi) (nhu hinh 3).
1/CI?888 3 _
llil';475 7 _
1!9rv,l6;4_
11926432 J
Q^ _
ffjSl'ihfcl--™
pr^_K^
^oitt^H^^^I
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^ z
' 1 '
Hinh 2. Lw&i tinh toan va dang dieu kien bien
1 2 3 4 5 6 7 8 9 10 11 12 1
\lWl kLH <|UU \ i u l ket ((tw
Hinh 3. Bien Iwu Iwang dau mien tinh
Am)
N S m l ? »
1 2 3. 4 5 6 7 8 9 10 J 1 12 1
Xuu't ke'l uua Xufi't ket uui
Hinh 3b. Bien mwc nw&c cudi mien tinh
* (ngudn: Vidn Khoa Hoc Thiiy Lai Miin Nam) - Thbng so ehuyin tai biin eat:
- Kit cau day khu vyc Tan Chau dupe tham khao tii' [5], [6], [7] va thong ke trong bang sau:
38 Tap chi Khi tuong Thuy van * Thang 12/2008
Nghi§n CU'U & Trao doi
Bang 1. Ket cau long dan khu vyc Tan Chau
Duifng kinli hat (mm) Utpl
L&p2 Ldp3
DQ r§ng
0,50 0,50 0,24
Set 0,001
15%
15%
25%
Bui 0,035
25%
25%
25%
Cat bui 0,05 50%) 25%
25%
Cat min 0,150
107o 10%
25%
- Phuong trinh dbng lup-ng theo phuang y :Tai bien vao, nong dp phu sa = 0,6 kg/m^; dbng biin eat day =0,001 kg/m/s [4], [5], [6], [7].
Trinh tu tinh toan:
Bai toan dupe tinh cho hai mua lu (thang 9, 10, 11) va kiet (thang 3, 4, 5), mbi mua 3 thang nam 1999 vbi bien eho nhu trong hinh 3a, 3b.
Sau khi tinh toan, dya vao mb hinh dao dien k i t qua d i x u i t k i t qua va phan tich danh gia.
4. Kit qua va phan tich a. Truy xuit ket qua
Tren hinh 4 danh d i u ba khu vyc nhb A, B, C d l x u i t k i t qua phan tich.
Tren hinh 5, 6 trinh bay dbng chay khu A vao miia lu va kiet.
Tren hinh 7, 8a. 8b, 8c trinh bay dbng chay khu B vao miia lu va kiet.
Tr§n hinh 9, 10a. 10b, 10c trinh bay dbng chay khu C vao miia lu va kiet.
Tren hinh 11,12 d i l n b i l n day toan bp khu vyc tuang ieng sau 3 thang lu va 3 thang kiet
Hinh 13, 14 bieu d i l n dbng biin cat trong sbng vao miia lu va miia kiet luc n u a c xubng.
Hinh 15, 16 la nbng dp phii sau toan miln vao miia lu va vao miia kiet liic nubc xubng.
Hinh 17 b i i u dien sy thay doi Ibng d i n doan Tan Chau sau tifng thang trong mua lu.
b. Phan tich va danh gia ket qua 1) Ddng chay
- Khu vyc A (hinh 5, 6): dbng chay bi phan chia bbi mot so cbn, eu lao nbi t i l p nhau tao nen mot chuyin dbng phii-c tap. Vao miia lu: nubc ngap con til' khoang 0.2 - 0.75 m; luu lupng Ion tap trung phia bb' phai (70%); van toe dbng ben phai g i p 1.2 lan ben trai, van toe noi giira eae con tuong doi nhb.
Ben dbng phai van toe ep sat bb, kha nang gay xbi cao. Mua kiet: dbng chay tach lam 2 dbng, chay xen ke bai day con noi tilp; van t i e tap trung va nen ep bo phai.
- Khu vyc B (xem hinh 7,8a, 8b, 8c): Vao miia lu:
b i t d i u til' eon Beo, dbng chay tap trung, van toe manh d i n ep sat bb Thuong Phube 2 (bb trai). Tai thi tran Tan Chau, doan sbng cong dot ngbt khoang 1200, van toe ehuyin huong dam thing vao bb phai (ba phia thj t r i n Tan Chau); van toe Ion ep sat bb khu vyc nay.
Bang 2. So sanh van tdc do v&i ket qua tirmd hinh doan Tan Chau vao miia lu 1996
Nam 1996[4]
1999(m6hinh)
Trieu xu6i: Vmax(m/s) 0.698
0.687
Triiu ngifric: Vmax(m/s) 0.498
0.401
- Khu vyc C (hinh 9,10a, 10b, 10c): Miia lu: nyb'C toe Ibn ep sat ba cong va cang v l g i n cii lao v^n t i c ngap nhp a cii lao Long Khanh. Cii lao Long Khanh nhb dan Cuoi doan dbng chay hpp Igi, 6p sat bb tach dbng chay lam hai dbng bao quanh cii lao, van phai Miia Kiet: dbng chay t i l p tuc nen ep phia bb
Tap chi Khi tu'c/ng Ihuy van == 1 hiing 12/2008 39
Nghidn cufu & Trao doi
?.Ibm, tap trung nhiiu a nhanh tren, cbn Nbi nhb len va quan sat thiy rb rang hai nhanh dbng bao quanh eii lao.
Cb t h i so sanh ti le luu lupng tinh toan trong cac nhanh sbng quanh eii lao Long Khanh (thbng ke trung binh) vai kit qua do nhu sau:
Bang 3. Bang thdng ke Iwu Iwang qua cac nhanh quanh cii lao Long Khanh
Nhinh tren (so vdi cii lao Long Kh^nh Nhanh difdi (so vdi cii lao Long Khanh)
Mua Lu (1996) Qtb tinh;
(phin tram) 14130 m3/s,
(67,3%) 6870 m3/s,
(32.7%)
Qtbdo;
(phan tram) [4]
14229 m3/s, (59,6%)
7344 , 30.76%
Miia kif t:
Qtbtinh;
(phan tram) 2613 m3/s,
70.2%
I117m3/s, 29.8%
Qtbdo;
(phan tram)
Tuy mb hinh khbng tinh din dbng chay cua sbng cai Vu'ng nhung kit qua tir mb hinh cung phan anh ro net luu lupng tap trung chu ylu vao nhanh tren la phii hop vai thyc t l .
2) Ddng biin cat va biin hinh Idng dan
Can cir vao kit qua thu dupe (h. 11, 12), cb t h i xem xet 5 doan tren miin tinh:
Doan 1: Keo dai tii' xa VTnh Xuong din VTnh Hba, Ibng sbng bi dao xbi tuong dbi manh, hinh thanh lach sau dai din tan diu eon Cb Giang (dai
khoang 4.2 km). " " •"'' - Doan 2: Doan thj tran Tan Chau: keo dai sau eon Beo din sbng Cai Vu'ng.
Doan 3: Doi dien vai cii lao Cha Va (keo dai khoang 2.2 km).
Doan 4: Doan ba thi tran Hong Ngy (keo dai khoang 2.0 km).
Doan 5: Nim a cbn Cb (keo dai khoang 0.6 km).
Tir kit qua mb hinh, cb t h i truy xuit ra cac gia trj nhu sau:
Bang 4. Bang thdng ke Iwang bdi xdi ciia tirng doan (1, 3, 4, 5) tir md hinh
: •• , T
Dp dai:(kni) Dien tich mien tinli(m^:
The tich lang dong:(m')
The tich dao x6i:(m')
Do cao day thay doi TB:(m)
Mua lu:
Mua kiet:
Mua lu:
Miia kiet:
Mua lu:
Miia kiet:
TB ca n.'(nv?xrMI.+MK-l
Doan 1 4,2 1500
0 176 -1632
-4,7 -1,19
0,11 -2,16
Doan 3 2,2 1259
0 172 -880 0 -0,7 0,137 -1,126
Doan 4 2 885
0 232,45
-954 0 -1,1 0,245 -1,71
Doan 5 0,6 132 63,65
20 -12,25
0 0,39 0,15 1,08
Nhan xet rieng tirng doan:
* Doan 1: hinh thanh lach sau hep bam sat bb k6o dai xuong diu eon Cb Giang; toe dp dao xbi trung binh la -2.16 m; v\ tri dao xbi lan nhit: 3
m/nam. Doan nay ba sbng cb kha nang bj xbi lb cao;
tuy nhien vi tri nay it anh huang din dbi song con nguoi.
40
* Doan 3 : doan bb' nay dang hinh thanh lach sau
Tap chi Khi tudng Thuy van * Thang 12/2008
nhb, ap sat bb' cong; b6n bb' loi phia cu lao Cha Va dang cb khuynh huang bbi tren dien rpng cang nen epdbng chay v i phia bb Ibm ( h i n h l l , 12).
* Doan 4: phia ba thi t r i n Hong Ngy: dao xbi trung binh 1.71 m/nam; phia bo dbi dien la cuoi eii lao Long Khanh, noi tap trung phii sa lan, mbi nam boi d i n : 0.22 m.
* Doan 5: con Beo bbi d i n phia sau, hubng ep sat bb Thuang Phuac 2, dbng chay huang manh vao ba Thuang Phuac 2, gay sat la manh a day
Nghien cufu & Trao doi
Doan 2: Dae biet a khu vyc thj t r i n Tan Chau (hinh nhb trong hinh 11, 12):
Cb t h i chia doan thi t r i n Tan Chau lam 3 phin:
- Bo Thuang Phuac 2: (3 km) tir dau cbn Beo d i n chiia Phuac Hung.
- Phia ba Tan Chau: eubi cbn Cb Giang d i n d i u nhanh sbng Cai Vii'ng ( h i xbi Ion).
- Dbi dien thj t r i n Tan Chau: bb doi dien kenh VTnh An keo dai khoang 1.5 km.
Bang 5. Bang ket qua tinh toan sy chuyen tai va ling dgng vat chit tai khu vyc thj trin Tan Chau
Do daiiikml
Dien tich mien tinh(m^):
The tich lang dong:(m^)
The tich dao x6i;(in')
D6 cao thay doi TB:(m)
Mija lu Miia MCia 10
Miia MCia 10
Miia T B c a
BdThi/crnePhir<?c2:
3 848
0 82 -932
-16 -1.11
0.38 -1,46
HcTxoilcJn 1,2 400 0 91,75
663 -0.88
-1.7 0.19 -3,02
DOI di^nTT Tan Chau 1,5
112 18.9 2,45 0 -0.88
0.22 0.013 0,466
Hb xbi doan thj t r i n Tan Chau ngay cang sau (trung binh -3.02 m/nam).Vj tri ho xbi n i m khoang chiia Cao Dai d i n cira kenh Vinh An. Trong khi theo [4], day doan Tan Chau (khu v y c h i xbi) xbi sau trung binh 20m/6nam.
* Phia doi dien ba Tan Chau: x u i t hien dai bai boi nhe 0.5m/nam keo dai 1.5 km. Bai boi nay ngay lam dbng chay qua mat c i t ngang tai khu vyc Tan Chau hep d i n , lam dbng chay bj ep v l phia bb Tan Chau nhieu han. S u dao xbi khu v y c nay tap trung Ion vao miia lu, miia kiet ho xbi bbi nhe.
Nhan xet chung:
* c a n cir vao bang 3, n l u tinh vac chii'ng tren 1 nam thi trong khu vuc tong lupng vgt c h i t mang di Ib'n han rat nhiiu so vai lupng vat c h i t mang d i n .
Kha nang dao xbi day tap trung vao miia lu (xbi - 0.425 m cho trung binh toan khu vyc), cbn vao miia kiet do van toe tuong dbi nhb, nen cb chb cb khuynh hubng bbi nhe (0.0208m) dac biet la o nhii'ng vj tri lach sau (doan 1;2; 3; 4).
* v a o miia ID, huang dbng chay chi theo mot c h i l u til' tren xuong nen mire dp boi xbi tren toan khu vyc tuong d i i on dinh. Ngupc lai vao miia kiet, do chju anh hubng ciia thiiy triiu, nen sy boi xbi a khu vyc nay phan bo roi loan tren dien rbng.(hinh 11, 12).
* c a c eon Beo, eon Tao cb kha nang noi l i i n nhau va ciing voi Cii lao Long Khanh dich chuyin d i n v l phia ha lyu. Bb phia Thuang Phub'c ngay cang xbi lb sau vao day ho xbi a Tan Chau dich chuyin dan v i phia ha luu (hinh 17).
Tap chi Khi tiTc/ng Ihuy van == 1 hang 12/2008 41
Nghien cufu & Trao doi
S ' ^
I'O.K.Si t
mKsn IMMT
In us loon
WI*X7 47N
«0W
Hinh 4. Ba khu vyc the hien tren hinh anh Hinh 5. Do sau va trw&ng van tdc miia lu khu vwc A
1
— 4 184 37 652 33 46a 29 285 25 101 20 918 8 367 16 734 12 551•-'0.000
Hinh 6. Ddng chay miia kiet khu vyc A luc nw&c rut, nw&c dwng, va nw&c dang
B
^ .
i
^
Hinh 7. Do sau va trw&ng van toe mua lu khu vwc B
7^
Hinh 8a. Do sau va trw&ng van tdc miia kiet luc nw&c ha khu vwc B miia lu khu vwc B
Hinh 8b. Do sau va trw&ng van tdc miia kiet
'•'•" niz-oc dang khu vyc B miia lu khu vyc B Hinh 8c. Do sau va trw&ng van tdc miia ki^t liic nw&c dirng khu vyc B
42
Tap chi Khi tu'o'ng Ihuy van •'' Thang 12/2008
Nghidn cufu & Trao doi
r:«^
L ra«>M a) ICO
Hinh 9. Dp sau va trw&ng van tdc miia lu khu vwc C
Hinh 10a. Do va trw&ng van tdc tdc miia kiet luc nw&c dang khu vyc C
n « > n : l i > : *
Hinh 10b. Do sau cot nw&c va trw&ng van tdc miia kiet luc nw&c dang khu vyc C
B<*rT ^•^1brjr\ C i u r g r |«ii
• 1 005 10 659 lo312 1-0 034 1-0 361 1-0 727 -1073 1-1420 -1766 '-2.113
Hinh 10c. Do sau va trw&ng van miia kiet luc nw&c dirng khu vyc C
Hinh 11. Sy thay ddi day sau 3 thang miia lu (dh> 0: bdi; dh<0:
xdi)
Hinh 12. Sy thay ddi day sau 3 thang miia kiet, (dh> 0: bdi;
dh<0: xdi)
Tap chi Khi tiTc/ng Ihuy van * Thang 12/2008
43Nghi§n cufu & Trao doi
Hinh 13. Kha nang chuyen tai biin cat trong Idng dan trw&ng hop mua lu (kg/m/s)
Hinh 14. Kha nang chuyen tai biin cat trong Idng dan trw&ng hap mua kiet (kg/m/s)
Hinh 15. Nong do phii sa trong trw&ng hap miia lu (kg/m^)
Hinh 16. Nong dd phii sa trong trw&ng hop miia kiet (kg/m^)
Hinh 17. Sw thay ddi day (m) sau 3 thang (9,10,11)
I j « r 7i 10 I * • »
44 Tap chi Khi tu'ong Thuy van - Thang 12/2008
Nghien cufu & Trao doi
4. Ket luan
Truoc khi tinh toan doan sbng tren, mb hinh da dupe tinh toan, kilm tra va so sanh kit qua vbi kit qua tinh toan tii' ly thuylt eho dbng khbng on djnh tren kenh chu' nhat hep va tinh toan ehi dp thuy dbng lye eho dbng on djnh tren sbng Luy, kit qua cho rit phii hpp, tuy nhien do dilu kien giai han trang bai bao nen cae tae gia da khbng trinh bay a day Ngoai ra, kit qua thu dupe tir mb hinh cb so sanh vol cac kit qua do dac thuc t l va kit qua nghien ciru trube day Vi t h i eb t h i kit luan ring kit qua thu dupe nhu da trinh bay la rit tbt va phii hpp vai thyc te, va mb hinh CCHE2D da dupe irng
dLing va tinh toan tbt cho khu vyc Tan Chau - Hong Ngy, la mbt khu vyc eho toi nay diin biln Ibng din vin ehua on djnh va vin cbn dang dupe xa hbi quan tam nghien ciru nhilu.
Kit qua eua nghien ciru tren hy vpng gbp phin lam eo so cho viec nghien ciru bao ve bb khu vyc sbng Tiln doan Tan Chau - Hbng Ngy nhim gbp phan on djnh dan cu va phat triln kinh t l khu vyc nay. Ngoai ra cung khing d|nh dupe tinh nang cua mb hinh CCHE2D trong viec irng dung tinh toan chi db thuy dbng lye hpc trong sbng ngbi.
Nghien ciru tren dupe thyc hien dubi sy hb trp kinh phi eiia chuong trinh NCCB nha nubc.
6.
Tai lieu tham khao
Trung tam dw bao khi twang thuy van tinh An Giang (10/2000). "B^o do nghien ciru thuy vSn phuc vu xay dung ke song Tiin chay qua thi trin Tan Chau -An Giang".
Cong ty cd phin Tw vin va diu twphcit triin An Giang (2006). "Dw cin diu tw ke chdng s^t Id bd sdng Tiin bao ve thi Trin Tan Chau- Bio cao md hinh thuy Iwc "
Cdng ty cd phin Tw vin va diu twphat triin An Giang (2006). "Du an diu tu ke chdng sat Id bd sdng Tiin bao ve thi Trin Tan Chau - Thuyit minh chung"
Cdng ty cd phin Tu vin va diu twphat triin An Giang (3/2001). "Bio do nghien ciru kha thi ke bio ve bd sdng Tiin khu vwc thj Trin Tan Chau - ting An Giang"
Zhang, Yaoxin(2005,2007),"CCHE2D-Version (2.2).(2.21)-Quick Start Guide". School of Engineering The University of Mississippi.
Zhang. Yaoxin(2005). "CCHE2D: Two-dimensional Hydrodynamic and Sediment Transport Model For Unsteady Open Channel Flows Over Loose Bed", School of Engineering The University of Mississippi.
Zhang, Yaoxin(2007),"CCHE2D Sediment Transport Model Version (2.1)". School of Engineering The University of Mississippi.