(18)
BO
KHOA
HOC
VA
CONG
NGHE
CHUOfNG TRINH
KHCN CAP NHA
NIIOC KC
08/06-10
Dt
TAI:
"Nghien cuu cer sa
khoa hoc va
de xuat cdc giaiphdp
khoa
hQc
cong
ngh^
bao
dam
sir
on
dinli
va
dp
hen
cua
de
hien

Tru'ang
Dai hoc
ThCiy
\a\
ChCi
nhiem de
t^i:
GS.TS. Ngo
Tri
Vieng
Ha
noi,
2010
BO KHOA HOC VA CONG NGHE
CHirONG TRJtNH
KHCN CAP NHA
NlTOfC
KC 08/06-10
Bfe
TAI:
"Nghiin citu ca sd
khoa
h^c
va
de
xuat
cdc giaiphdp
khoa hgc cong nghe bao dam
stf 6n dinh
vd dp bin cua de

BAN CHIJ
NHIEM
CHl/ONG
TRINH
KC.08/06-10
CO QUAN CHU TM
Tniong Dai hoc Thuy Igi
BO
KHOA HOC VA CONG NGI
Ha
ndi,
2010
Bh
tai NCKH cip nha
nude
KC08
-15/06
-10
MUC
LUC:
Chinmgl
2
T6NGQUAT
2
1.1.
NHONG
CAN
Ctr
DE
LAP

l)Kli6i
luting
thirc
hi
$n:
4
2) Vat
U?u
xay dung 8
ChinmgS
9
GIAIPHAP
KY THUAT
NANG
CAP
DE 9
3.1.
CAC CHi
TIEU
THIET KE 9
3.2.
TINH
TOAN XAC
DEvlH
CAO TRINH DINH DE 9
1 Xac
djiih
muc
nuac bien
tinh toan 9

tnjng
lugng
c^u
ki?n
phii
mai:
13
2.
Tinh
todn
thiSt
kl
chto
khay:
15
3.
ThiSt
kS
lop
loc:
15
3.4.
KlfiM
TRA
ON
DDffl
MAI
DE
PHtA
DONG

H^
Tinh
De tai NCKH cip nha
nude
KC08
-15/06
- 10
Chircmg
1
TONG
QUAN
1.1.
NHCXG
CAN
ctr
Bi
L^P
THIET
KE
CO
S6
1)
Cac van
ban
phap
guv
chinh.
can cii quyet
dinh s6
1562/QD-BKHCN

- BKHCN
ngiy 26/11/2007 cila Bp
truong
Bo KHCN
v6
viec
phS
duyet kinh phi
ih
tai
cIp
nh^
nuac "Nghien
eiiu
co sa khoa
hoc va de xuat
cac giii phip
khoa
hpc
e6ng nghe bao dam
s\f
6n
dinh va dp
bto ctia
de bien hien c6 trong truong hop s6ng, trieu cuong
tran
qua
d6".
can cil
vao

trang de
t^i
khu vuc de
biln
Hoi Th6ng tinh Ha
Tuih.
2) Cac tieu chuan. guv
pham dp
dung.
- Nghi dinh 209/2004/ND-CP ngay 16/12/2004 cua chinh phu
vh
quan ly cac
dir
an dau
tu
xay
dung c6ng trinh.
- Nghi dinh 99/2007/ND-CP ngay 03/06/2007 ciia chinh
phii
vh quan ly chi phi
dau tu
xay
dung cong trinh.
Bang thong
k£
cac
tiSu
chuin, quy
pta^m
sir dung trong thiet

Thanh phan, kh6i lupng khao
s4t
dja hlnh c6ng
tiinh
de dieu
Thanh phan,
khdi
lupng khao sat dja chat trong cac giai doan
lap
d\r
an va
thiSt
kg c6ng trinh Thuy
Igi
Thanh
phln,
npi dung lap bao
cao dau
tu,
du an dau
tu va
bao
cao kinh
te,
ky
thujt
cac du an thiiy loi.
Cong trinh Thuy
Ipi
- Cac quy dinh chu

Duong thi cong e6ng trinh thuy
Igi
quy pham thiet ke
Nen cac cong trinh thuy c6ng
Quy pham thiet ke thi cong va nghiem thu cong tac dat va
cong trinh
bSng
dat
Quy pham tai trpng va
luc
tac dung
len
CTTL
Tieu chuan
thi6t k6
de biin
1.2.
CAC DOITUONG
L^
THIET KE
CO
SO
- Binh do tuyen de
- Mat cat
d6
TM Thi6t k6
mlu de bien tran
nuoc cho vung
trpng
diem

cho de tai
nghiSn
cuu khoa hpc
can tiin hanh khoan khao sat ngoai hien truong va
liy mlu
thi nghiem cac chi tieu co
ly dat trong phong. Don vi khao
sat
thupe truong Dai hpc Thuy loi da
tiln
hanh khoan
va
lay
mlu ngoai
hiSn
trudng vdi cac npi
dimg
nhu sau:
- Van chuyen thiet bi khoan
- Dinh vi khoan:
18 diSm
- Khoan khao sat
18
h6 khoan vdi
tdng
do sau 300m
-
Lay mau
thi nghiem cac chi tieu co ly
19

dudi nhu sau:
a) Lip la:
Bit
dip
Dat dip
thinh
phin la dit set pha, mau xam nau, xam ghi, ket cau chat, trang
thai
ntia ciing itn
deo
ciing.
Ldp co
chiSu
day tir 2,40m den 3,50m. Ldp nay
ehii ygu
phan b6 tai cac h6 khoan
HK2,
HK5, HKg,
HKi
1,
HK17.
Kgt
qua phan
tich
cac tinh chit
ca ly cua ldp
1
cho gia tri trung bmh dupe trinh bay trong bang
1.
TM ThiSt kB mhi de biSn

Set <0.005
Bui 0.005- 0.01
0.01-0.05
Cat
0.05-0.1
0.1-0.25
0.25-0.5
0.5-2.0
San soi 2.0-5.0
5.0-10.0
Gioi han
chay,
%
Gidi han deo,
%
Chi
s6
deo,
%
Do set
D6 am
tu
nhien,
%
Kh6i lupng the tich,
g/cm^
Khdi lupng the tich kho,
g/cm^
Ty trpng
He so rong

2.69
0.90
47.2
91.1
0.204
7O54.
0.042
0.93x10'^
b) Ldp 2: Sat
dSp set
pha, trang thai deo mem
Dit s6t pha mau xam den, xam ghi, ket cau chat vira, trang thai deo mem. Ldp
cd
chi6u
day tir 2,40m
d6n
3,50m. Ldp nay
chil
yen phan bo d tit
ca cac h6
khoan.
TM
Thiit
ke
mlu
d€ bien tran
nuoc
cho
viing trpng
diem*

11
12
13
14
15
16
Ten chi tieu
Thanh
phSn
hat
Set <0.005
Bui 0.005- 0.01
0.01-0.05
Cat 0.05-0.1
0.1-0.25
0.25-0.5
0.5-2.0
San soi 2.0-5.0
5.0-10.0
Gidi han chay, %
Gidi han
deo,
%
Chi s6
deo,
%
Dp set
Dp am tu
nhien,
%

12.43
21.14
1.43
0.43
-
50.81
33.26
17.56
0.98
50.46
1.68
1.12
2.60
1.33
56.99
98.51
0.099
6"05'
0.177
1.8x10'
TM Thi6t k8
miu
de bien
tran
nirac cho viing trgng diem Thach Kim - Ha Tiiih
De
tai
NCKH cip nha
nude
KC08

4
5
6
T£n
chi tieu
Thanh phin hat
S6t
<0.005
Byi
0.005- 0.01
0.01-0.05
Cat 0.05-0.1
0.1-0.25
0.25-0.5
0.5-2.0
Spi
soi 2.0-5.0
5.0-10.0
Ty
trpng
sntin
Ty
le
khe hd : kho
udt
Lip 3
0.00
0.00
3.00
11.8

Dat set pha
mau xam
den,
xam
ghi,
k8t
can chat vira,
trjng
thai deo
m6m.
Ldp cd chieu day
til
2,40m den
3,50m. Ldp
nay
ehii
y6u
phan
bd
d tat
ea cac
hd khoan.
TM ThiSt kS
mlu
d%
biSn tr^n nir6c cho vung
trong
di6m Th^ch Kim - Ha Tinh
De tai NCKH
cap

mat dit.
- Cin chii
i? xir
ly
n6n
ii tranh
hipn
tugmg xdi ngam khi cd chenh
c6t
nude.
- Doan de khao sat dja chit phin
Idn
nim ddi
di^n tr^rc
tiep vdi bien va
ciia
biSn,
do
vly chju
tac
ddng msuih
ciia sdng
va
thuy trieu. Dat dap than de co
h|
s6 thim
Idn,
luc dinh nhd, dit
nSn
de la

trpng A : 2.67
He sd rong
e
: 0.56
D6
rSng n (%): 37.37
Dp bao hoa G (%): 98.44
Gidi han chay
WT
(%) :36.88
Gidi han deo Wp (%) :22.41
Chi sd deo Wn: 14.47
Dp set
B:
-0,03
Gdc ma sat trong
p
(dp):
17.12
Luc dinh dan vi C(kG/cm2): 0,21
TM ThiSt k8
mlu
d6 bi6n
tran nuoc
cho vimg trpng
diem Thach Kim
- Ha TTnh
De
tai
NCKH cip nha

cm
TIEU
TmtT
ME
- cip cong trinh : Cap HI
(TuySn
de bao ve
dan
sd khoang 200.000
nguoi-theo
tieu chuin phan cip de A6-77)
-
H6
sd an toan cho phep :[K] = 1,15
-
Mxfc nude triSu thiSt
ke : P = 5%
- Muc
nude
dang
thigt ki
: P = 20%
- Cao trinh dinh de
thilt
ke chong gid bao cip 10,
v?n
tdc gid u =
28,4m/s;
- Ket cau bao ve
mai dam bao

Muc nude
triSu
tinh toan
la
muc nude tinh toan theo tin suit bao dam tai vi tri
cong trinh. Theo 14TCN-130-2002 thi tin suit thiet ki
P=5%.
Miic
nude ling vdi
P=5%
dupe
tinh toan xac djnh
tr6n
ea sd phan tich tan suat dam bao muc
nude
bien
cao nhat nam
t^i
vi tri edng trinh.
K6t
qua tinh toan tin suit ly
luan
muc nude tram Hon Diu (phuc
luc
1) la:
+2,06m.
Quy ddi tu
mire
nude P=5%
(-H2,06m)

-15/06 -10
Nhu vay
m\rc
nude
trieu thiet ke :
Z5./.
=+1,85m.
2.
Mvc
nvdc
dang do
bSo.
Chi6u
cao nude dang viing bien nghien
cihi
dupe xac djnh cao dp nude dang
ling vdi tan suit xuit hien 20%, vdi de cip
IV CSn
cit
vao
sd lieu d bang C3 -TCN.
Chieu cao nude dang do bao img vdi tin suit 20%, npi suy
xac
dinh dupe
Hndp.20%'^U30
m.
3.
Gio va da gid
thilt
ke

9
cip 10
cip 11
cip
12
Cap
13
cip 14
cip 15
cip 16
cip
17
V^n
toe
gi6
(m/s)
0-0,2
0,3-1,5
1,6-3,3
3,4-5,4
5,5-7,9
8-10,7
10,8-13,8
13,9-17,1
17,2-20,7
20,8-24,4
24,5-28,4
28,5-32,6
32,7-36,9
37-41,4

diem Thsich Kim -
Hi
Tinh
10
De
tai
NCKH
cip nha
nude KC08
-15/06 -10
-
Vdi gid cap
12
tinh toan
u
=36,9m/s.
b.
Da
gio:
Theo 14TCN-130-2002,
ddi vdi
vimg khdng
cd
y6u
td dia
hinh
han chi
dupe
tinh
nhu

vi da gid
hi$u
qua la
D=100km.
Vi
vay
chpn
da gid
tinh
toan
la
D=100km.
4 Tinh
toin
sdng
tit gid
thilt
kl:
Phuong phap
tmh
toan
sau day cua
Bretscheider dupe
dua ra dua
tren
gia
thiSt
la sdng
smh ra do gid
trong

0,283
tanh
0,530(i|)-
0,0125
tanh
b.
Chu
kp
dinh song
Tp:
.^ =
2w.
1,2
tanh
0,83
gh
(3-2)
c Chiiu
dai
song
trir&c
dS:
Ls
Ls= .tanh
Ls
(3-3)
(3-4)
2;r
Trong
dd:

vj tri sau
nhit
1,80m)
u
-
van
tdc gid
thilt
kl
(m/s).
TM Thiet ki
mlu
d6
bien
trin
nuac
cho vung
trpng diem
TTl^ch
Kim
-
Hi TFnh
11
De tai NCKH
cap
nha
nude
KC08
-15/06 -10
Thay

5,0 dupe tinh
toan theo
edng
thirc:
Hsl =
^^^S 4H^ibl^
(3-6)
VI+
m^
Trong do:
Kn:
hS
sd nham va
tuih
thim cua mai nghieng.
Kw: he sd kinh
nghifm
tra theo U/Vg.h
Kp:
he sd tinh doi tin suit
luy
tich cua chieu cao sdng leo. Kp = 1,85.
m:
hp
so
mai
ke
TM
Thiet ki
mau de

nhi&n binh quin
tru6c
edng tnnh
c6t nu6c
trudc
CT
h
Van tdc fiio
U
Da
sip
D
Trong
luone
rifene
da:
Trong
luong riSng nude
bi^n:
H&
s6
mai m
=
cotg
a
DO cao an toan
Kg
s6
nham
ciia

cao sons
leo HsI
Muc
nude trudc cpns
trinh {bao s6m Ca s6ng leo)
Cao trinh dinh
de
tinh toan
Cao trinh dinh
de
chon
Don vi
m
m
m
m
m/s
km
fm3
t/m3
m
m
s
m
m
m
m
m
m
Tinh toan

1,30
1,80
1.35
36.90
100.00
2,50
1,03
4,00
0,30
0.55
10,12
1.20
0.21
1.85
0,65
4,09
12.76
0,28
0,56
3.71
4,01
4,00
3.3.
TINH TOAN
K£T
CAU LAT MAI
KE
De dam bao an toan
d€
trong mua mua bao

mlu
de bien tran
nude
cho vimg trong
di§m
Thach Kim
-
Ha
TTnh
13
D6
tai NCKH
cap
nha nude KC08
-15/06 -10
Trong dd:
G: Trpng lupng toi
thilu
cua khdi phu mai nghieng (T)
Hs:
ChiSu
cao sdng thiet ke (m).
Yd =
2,5: Trpng lupng ridng cua
v|t
lieu khdi
phd (T/m')
y„ = 1,03: Trpng lupng ridng
ciia
nude

d^g
va
each lap
dat cac cau
kiSn:
0 = 4
%
=
^
:
H8 s6
s6ng
v5
.
K^t
qu^
tinh cho
a
bang sau.
f
Bang
3-3:
Ket qua
tinh
toan ket cau tam idt
TT
/
II
Thong s6 tinh toan
Sd lieu tinh toan

TfQng lupng tdm lat
Chi^u day tam
lat
d (CT Ha Lan)
Don vi
t/m3
t/m3
m
s
m
Kg
Cm
Tinh toan
vdi gid
caplO
2,50
1,03
4,00
1,17
5,21
28,03
4
1,23
130
24
Tinh toan
vdi
gid
cipl2
2,50

kS
chin khay:
a.
Tinh toan kich
thir&c
chan khay.
De ehdng dd ddng chay do sdng tao ra d chan ke
va ap lire
khi sdng nit, chan
khay dupe thiet kl thep dang chan khay sau. Theo
14TCN-13
0-2002 chieu sau chan
khay tir (1
+
1,5)
Hs =
1,1
^-1,65
m. Chiiu rpng chan khay
(Nlu xSp
dng buy
va
do da
hpc)tit(2 + 3)Hs =
2,2.^3,3m.
Vi
v|y
chpn : Dua mai
k^
xudng dudi

„.
,
A.7c.h
Smh
g
L
Trong dd:
V,mx:
Van tdc cue dai cua ddng chay (m/s)
L„
Hj:
chiiu dai
va
chiiu cao sdng thilt ke (m)
h: dp
sau
nude trudc
it
(m)
g: gia tdc trpng trudng
(m/s^)
Tir dd
tuih
dupe:
V„ax =
0,94 m/s
Tra bang 5.5 -
14TCN-130-2002 dupe
trong lupng tdi thilu cua vien da dl dn djnh
d chan khay

- Cac chi
tidu
ca ly
cda
dit
nin:
Ks=7,3xl0'''
cm/s
Thanh phin hat
eda
dit:
dio=0,105mm;
d5o=0,4iiun;
d6o=0,45nun;
dg5=0,65nim.
- Ldp bao
vS
gdm da dam (1x2) day 10 cm
va
ciu kien be tdng day 28cm.
TM
Thiet
k8
mlu
de bien tran nude
cho
viing
trgng diem Thach
Kim - Ha Tmh 15
Dl tai NCKH cip nha nude KC08

Id Ipc ciia
vdi khdng vupt qua gia trj quy dinh d bang 2.7 trang 16 14TCN
110-
1996:
Kich thudc
Id
Ipc cua via khdng qua 1,2
d5o=
1,2*0,4
= 0,48mm
Chpn
lo?i vai
thich hpp:
NIU
dimg
loji
vai
Ipc
cd: kich thudc
Id Ipc
D = 90 micron <
l,2d5o=0,24
mm
Chiiu day
vai
t =
l,6irun
Hp
sd thim cua vai K= 10 cm/s
-

chpc thung
(EN-ISO-12236)
> 2400N
+ Kich thudc
Id Ipc 09o(ASTM-D4751)
> 125 micron
+
Hp
sd thim
diing(EN-ISO-l
1058):
90
W.s.
Vay vdi cip phdi
hat,
dudng kinh d85,
hp
sd thim K ciia tai
lipu
khao sat,
loai
vai
Ipc
HD200C hoac loai tuong duong thoa man yeu cau
chjn
dit, tham
nude
theo
tidu
chuin nganh

Thiet
kS
mlu
dS
bien
tran nude
cho
vimg trpng diSm Th^ch Kim -
Ha
Tuih 16
Dl tai NCKH cip nha nude
KC08 -15/06 -10
+ Chpn
dat cd bao
nhieu %
la
sdt,
quy
truih
thi
nghipm
trong phong
va
hien
trudng dupe thue
hiSn
theo hudng din thilt kl, quy truth
xir ly dit
cho de tran nudc-
Tai lieu cua KC08-15/06-10

*. Phuong
phap tinh
toin.
- Tinh toan on djnh
cda
mai
die dupe
tinh
toin
theo phuong phap
can
bing gidi
han cua timg thdi bing phin
mim Slope/W
cua hang phin
mim
dja
k^
thu$t
quoc
te
(Geo-Slope,
1998). Chiing
tdi da
dimg phuong phap Bishop
de
tinh
dn
djnh trupt
mai,

P
Chiiu
dai
day dai;
a
Gdc
giOa
tilp
tuyin day
moi
dai
va
phuong nim ngang
- So dd tinh
dn
djnh
ap
dimg
cho mai de
va
co
de phia ddng dupe chpn tinh
cho cac
trudng
hpp
sau:
Mai
thirpng
liru:
+ Trudng hpp muc nude phia bien

TC
thilt
kl
dudng giao thdng ndng thdn
22TCN-210-92
thi xe d td
quy djnh
n&ig
8T, trong doan xe
cd
1 xe gia trpng nang
10,4T).
TM
Thiet
ke
mlu de
bi6n
tran
nude
cho
vCing
U-png
diem Thach Kim
-
Ha
TTnh
17
De tai NCKH cip nha
nude
KC08

nude
cho
vimg trpng dilm Th^ch Kim -
Ha
Thih
18
De tai NCKH cip nha nude KC08
-15/06
- 10
CHU'ONG
IV :
KET
LUAN &
KIEN
NGHI
4.1 KET LUAN:
Nhdm thilt kl da
bam
sat tieu chuin nganh "Hudng din thiit ke de biin 14-
TCN130-2002"
dl tinh toan thilt kl. Ddng thdi
kit
hpp vdi
kit
qua
nghifin eiiu
ciia
de tai dua mot sd giai phap mdi nhim
tSng
dn djnh cho cong trinh dd la: diing phu gia

class="bi x0 y0 w6 hb"