Bang Tinh Lun Nen Dat Yeu
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Transcript of Bang Tinh Lun Nen Dat Yeu
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THUYET MINH TNH TOAN LUN NEN AP TREN AT YEU(Theo 22TCN 262 -2000)
I. SO LIEU TNH TOANTnh o lun co ket cho nen ap trong trng hp nen lun co ket theo thi gan khong co gia tai
Chieu rong nen ap (m) 72 Chieu sau nao vet trung bnh (m) 0.4Chieu cao at ap trung bn 3 1o doc taluy 1.5 o co ket yeu cau U 90%
57 40cm
Lp atChieu dayMoun E
(m)1 14.500 7.000 4.418 ### 2.4822 14.800 4.600 4.358 ### 2.138
(Thoat nc 2 mat khi lp at di lp at yeu la cat hoac thau knh cat)
He so rong theo cap ap lc Lp 1 p (kPa) 0 25 50 100 200 400
e 2.48 2.052 1.733 1.469 1.228 1.006
Lp 2 p (kPa) 0 75 150 200 250 300 e 2.14 1.777 1.511 1.26 1.04 0.842
ap lc tien co ket lp i va ap lc do tai trong ap gay ra lp i
Cong trnh : KHU QUAN LY IEU HANH CUM CONG TRNH KH TH VAIHang muc : Tnh lun nen ap tren vung at yeu cao o + 3m
Cac thong so c ban
Thoat nc 1 mat hay 2 mat:
ng suat gay lun *h(KPA) Phan o lun co ket cho phep con lai
Ch tieu c ly at nentn Cv (cm2/s) eo(KN/m3) (kg/cm2)
Chu y : Chieu day moi lp < 20m , trng hp lp at > 20m -> chia thanh nhieu hn 2 lp
II. TNH O LUN CO KET S c Cong thc tnh
Trong o : Hi : Chieu day lp at, e0i : He so rong cua lp at tnh toan Cic : Ch so nen lun (trong pham vi ivz > ipz), Cir : Ch so nen lun (trong pham vi ivz , ipz , iz : Ap lc do trong lng ban than cac lp at t nhien nam tren lp i ,
(1). at thieu co ket neu tong ng suat do tai trong thang ng hien tai ln hn tai trong ma no a tng chu trong qua kh ivz > ipz(2a). at co ket tieu chuan neu neu tong ng suat do tai trong thang ng hien tai bang tai trong
Sc=i=1
n H i1+e0
i [C ri lg pzi vzi +Cci lg zi + vz
i
pzi ](2a )
Sc=i=1
n H i1+e0
i [C ri lg zi +vzivzi ](2b)
Sc=i=1
n H i1+e0
i [Cci lg zi + vzi vzi ](1 )
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III. TNH O LUN TONG CONG VA O LUN TC THI
m = 1,1 -> 1,4 (m la he so )
IV. D TNH O LUN CO KET THEO THI GIAN
o co ket U cua at yeu at c sau thi gian t ke t luc ap xong nen san lap thiet ke va ap xong phan gia tai trc (neu co) c xac nh tuy thuoc vao nhan to thi gian Tv
Sc chong cat cua at yeu lp i ng vi o co ket U
V. CAC BANG TNH(nh kem)
Nh vay nen se b lun tong cong toi thieu 38,17cm vi ieu kien khong co hoat tai tac dung thng xuyenNh vay o lun cua nen c thiet ke la phu hp vi muc ch va quy mo au t cua cong trnhV vay can phai tnh toan bu lun cho cong trnh e am bao at cao o thiet ke sau khi thi cong Be day lp vat lieu bu lun chon = 35 cm
ma no a tng chu trong qua kh ivz = ipz(2b). at qua co ket neu neu tong ng suat do tai trong thang ng hien tai be hn tai trong ma no a tng chu trong qua kh ivz < ipz
e tnh o lun S can gia thiet o lun tong cong Sgt, tnh toan phan bo ng suat ap thiet ke co d phong lun H'tk = Htk + Sgt. Tnh lun Sc, lap lai cho en khi thoa man S o lun tong cong S =m Sc
Trng hp thoat nc 1 chieu theo phng ng
c tang them mot tr so ci = z*U*tg(
o lun co ket cua nen ap sau thi gian t: St = Sc*UvPhan lun con lai sau thi gian t: S = (1-U)*Sc Trong o : Tv : Nhan to thi gian theo phng ng, H: chieu sau thoat nc co ket theo phng ng. Ctbv : He so co ket trung bnh theo phng ng trong pham vi chieu sau nen lun Z hi : be day cac lp at yeu nam trong pham vi Za co he so co ket khac nhau C
Ctbv=
z2a
( hiCvi )2T v=
C tb vH2
t
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THUYET MINH TNH TOAN LUN NEN AP TREN AT YEU
Tnh o lun co ket cho nen ap trong trng hp nen lun co ket theo thi gan khong co gia tai
20m , trng hp lp at > 20m -> chia thanh nhieu hn 2 lp
: Ch so nen lun (trong pham vi ivz < ipz) : Ap lc do trong lng ban than cac lp at t nhien nam tren lp i ,
neu tong ng suat do tai trong thang ng hien tai ln hn tai trong
neu neu tong ng suat do tai trong thang ng hien tai bang tai trong
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o co ket U cua at yeu at c sau thi gian t ke t luc ap xong nen san lap thiet ke va ap xong phan gia tai trc (neu co) c xac nh tuy thuoc vao nhan to thi gian Tv
Sc chong cat cua at yeu lp i ng vi o co ket U
Nh vay nen se b lun tong cong toi thieu 38,17cm vi ieu kien khong co hoat tai tac dung thng xuyenNh vay o lun cua nen c thiet ke la phu hp vi muc ch va quy mo au t cua cong trnhV vay can phai tnh toan bu lun cho cong trnh e am bao at cao o thiet ke sau khi thi cong
neu neu tong ng suat do tai trong thang ng hien tai be hn tai trong
, tnh toan phan bo ng suat iz vi chieu cao nen, lap lai cho en khi thoa man Sc = Sgt/m.
c tang them mot tr so ci = z*U*tg(i) (kg/cm2)
: Nhan to thi gian theo phng ng, H: chieu sau thoat nc co ket theo phng ng. : He so co ket trung bnh theo phng ng trong pham vi chieu sau nen lun Za
co he so co ket khac nhau Cvi
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1 2 3 4 5 6 7 8 9 10 11 12 131 1 0 0 0 0 0 0 0 0 0 0 0 1
Lp 1 p (kPa) 0 25 50 100 200 400 Lp 8 p (kPa) 0 150 225 300 e 2.48 2.052 1.733 1.469 1.228 1.006 e 0.85 0.82 0.8 0.75
Lp 2 p (kPa) 0 75 150 200 250 300 Lp 9 p (kPa) 0 100 150 200 e 2.14 1.777 1.511 1.26 1.04 0.842 e 0.95 0.9 0.85 0.81
Lp 3 p (kPa) Lp 10 p (kPa) e e
Lp 4 p (kPa) 0 200 300 400 500 600 Lp 11 p (kPa) 0 200 300 400 e 0.75 0.72 0.7 0.65 0.63 0.61 e 0.75 0.72 0.7 0.65
Lp 5 p (kPa) 0 200 300 400 Lp 12 p (kPa) e 0.85 0.82 0.8 0.75 e
Lp 6 p (kPa) 0 50 100 150 Lp 13 p (kPa) e 0.9 0.8 0.7 0.65 e
Lp 7 p (kPa) 0 100 200 300 400 500 e 0.75 0.72 0.7 0.65 0.63 0.61
S dng ng cong nn p ca lp t no?
0 100 200 300 400 500 600
ng cong nn pLp 1Lp 2Lp 3
p (kPa)
e
0 100 200 300 400 500 6000.5
0.6
0.7
0.8
0.9
1 ng cong nn p
Lp 4
p (kPa)
e
0 100 200 300 400 500 6000.5
0.6
0.7
0.8
0.9
1 ng cong nn p
Lp 7Lp 8Lp 9
p (kPa)
e
0 100 200 300 400 500 6000.5
0.6
0.7
0.8 ng cong nn p
Lp 10
p (kPa)
e
-
0 100 200 300 400 500 6000.5
0.6
0.7
0.8
0.9
1 ng cong nn p
Lp 7Lp 8Lp 9
p (kPa)
e
0 100 200 300 400 500 6000.5
0.6
0.7
0.8 ng cong nn p
Lp 10
p (kPa)
e
-
375
0.73
250 300
0.76 0.73
500 600
0.63 0.61
0 100 200 300 400 500 6000.5
0.6
0.7
0.8
0.9
1 ng cong nn p
Lp 4
p (kPa)
e
0 100 200 300 400 500 6000.5
0.6
0.7
0.8 ng cong nn p
Lp 10
p (kPa)
e
-
0 100 200 300 400 500 6000.5
0.6
0.7
0.8 ng cong nn p
Lp 10
p (kPa)
e
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1 3
72.0 m B rng chn nn p Thai Nguyen
1.0 m 1.5 m s (cm)
### 3.0 m Chiu cao nn p 0 Dng kt qu t.n xuyn t.c SPT k0 dng
0.0 m Chiu cao b phn p 0 Dng kt qu t.n xuyn tnh CP k0 dng
0.0 m B rng b phn p 1 S dng mun E v/hoc e-p 47.06
57.0 ng sut gy ln (kPa) 0 S dng E v ch s nn Cc, Cr k0 dng
Lp 0 SPT CPTCc Cr OCR
+Nn p0 N qc (bar)
1 7.00 15.0 62.0 4.418 2.00 0.50 1.00 14.50 1/ 1.5
2 11.60 4.1 75.0 4.358 2.74 0.23 2.55 14.80
Tnh ln ti: tm vai + chn
1 1
-60 62
0 0
7 7
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
11.6 11.6
N c ngm Tnh ln theo ph ng php:
Mun E (bar=102
KPa)
m
-60 -35 -10 15 400
2
4
6
8
10
12
14
Biu ng sut (kPa)
-
ch cht xu !!!!!! ......... ch cht xu !!!!!! ......... ch cht xu !!!!!!
-
Cs/Cc ratio 0.2 -1 1 B2 4.5 B1+B2 72 kcach den 0
B dy lp phn t 0.40 su ngng tnh ln 11.50 1s (cm)
k0 dng
(tm mng)### - k0 dng 47.1 38.2
38.17 ### -
0.20 2.90 0.014 0.81 3.71 0.16 0.07
k0 dng ### 0.40 0.60 8.70 0.042 2.40 11.10 0.50 0.22 +Nn p### 0.80 1.00 14.50 0.070 3.97 18.47 0.84 0.36
### 1.20 1.40 16.30 0.096 5.47 21.77 1.18 0.50
ta luy ### 1.60 1.80 18.10 0.121 6.90 25.00 1.50 0.63
### 2.00 2.20 19.90 0.145 8.25 28.15 1.63 0.75
Tnh ln ti: ### 2.40 2.60 21.70 0.167 9.51 31.21 1.75 0.86 tm ### 2.80 3.00 23.50 0.187 10.67 34.17 1.86 0.97 vai ### 3.20 3.40 25.30 0.206 11.74 37.04 1.97 1.06 + chn ### 3.60 3.80 27.10 0.223 12.72 39.82 2.15 1.15
### 4.00 4.20 28.90 0.239 13.62 42.52 2.32 1.23
### 4.40 4.60 30.70 0.253 14.45 45.15 2.47 1.31
### 4.80 5.00 32.50 0.267 15.20 47.70 2.62 1.38
### 5.20 5.40 34.30 0.279 15.89 50.19 2.75 1.44
### 5.60 5.80 36.10 0.290 16.52 52.62 2.63 1.50
### 6.00 6.20 37.90 0.300 17.10 55.00 2.50 1.55
### 6.40 6.60 39.70 0.309 17.63 57.33 2.38 1.60
999### 6.80 6.90 41.05 0.316 18.00 59.05 1.14 0.81
36957.567303### 7.00 7.20 42.46 0.322 18.35 60.81 1.20 1.68
### 7.40 7.60 44.38 0.330 18.79 63.17 1.24 1.72
### 7.80 8.00 46.30 0.337 19.19 65.49 1.27 1.76
### 8.20
8.40 48.22 0.343 19.56 67.78 1.30 1.79
### 8.60
8.80 50.14 0.349 19.90 70.04 1.32 1.83
### 9.00
9.20 52.06 0.355 20.22 72.28 1.35 1.86
### 9.40
9.60 53.98 0.360 20.52 74.50 1.37 1.88
### 9.80
10.00 55.90 0.365 20.79 76.69 1.37 1.91
### 10.20
10.40 57.82 0.369 21.05 78.87 1.35 1.93
### 10.60
10.80 59.74 0.374 21.29 81.03 1.33 1.95
### 11.00
11.20 61.66 0.378 21.52 83.18 1.31 1.98
### 11.40
11.45 62.86 0.380 21.65 84.51 0.33 0.50
### 11.50
11.50 63.10 0.380 21.68 84.78 - ###
### 11.50
11.50 63.10 0.380 21.68 84.78 - ###
### 11.50
11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
su z (m)
.s bn thn s'o
(kpa)
H s .s
K
.s gy ln Ds'z (kpa)
cng Ss'
(kpa)
T kt qu SPT
T E v ng
nn p
T mu
n E
-60 -35 -10 15 400
2
4
6
8
10
12
14
Biu ng sut (kPa)
-
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
ch cht xu !!!!!! ......... ch cht xu !!!!!! ......... ch cht xu !!!!!! ### 11.50 11.50 63.10 0.380 21.68 84.78 - ###### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
### 11.50 11.50 63.10 0.380 21.68 84.78 - ###
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4 1 0 85 1 0 75 0
12
Dng kt qu xuyn SPT lo Dng kt qu xuyn CPT ln cui cng do nn p (cm) 38.17 Chiu cao gia ti thm 0 Cv S dng mun E 11.38
2.98 s1
19 S dng E v nn p e-p 0.005 s2 S dng ch s Cc, Cr c kt U sau thi gian ch 7.8% ln (cm) cn li 35.18
s3
LpH s c kt Cv 4.5 0
cm2/s m2/thng knh bc t dw (cm) 6.0479 0 3
### 1 0.0002 0.0518 1 7 Khong cch bc(m) 0.95 n = de / dw 16.65### 2 0.0002 0.0547 1 4.381131 B rng bc B (cm) 9.5 H s Tr ngang 0.6135 72### 0 B dy bc t (cm) 0 m (hay a) 2.0735
11.5
### 0 Chiu su bc (m) 11.5 c kt ngangUr 91%### T s h s Cr/Cv 1 91%### Chiu cao gia ti(m) 0 34.87 0.95### 1.01 ln cn li (cm) 3.30
### dw### . knh thm de(m) 1.325### Khong cch cc(m) 1.25 n = de / dw 6.625 de### 20 H s Tr ngang 0.3543 91%### Chiu su cc (m) 10 m (hay a) 1.1906 28.79
### Chiu cao gia ti(m) 0 c kt ngangUr 91% ln cn li (cm) 9.37
Thi gian ch t
(thng)
Khng vt liu thot n c
Chiu dy t ng ng H (m)
H s Tv t ng ng
thm 1
chiuhi (m) tg
ngVt liu thot n c: bc thm
B tr l i tam gic
c kt tg ng
ng knh thm de(m)
Vt liu thot n c: Cc ctB tr l i tam gic
ng knh cc dw (cm) c kt tg ng
ln (cm) ti t
ln ti t (cm)
-
Thm 2 bin: Thm 1 bin:ct ct
2H H
ct st
Cv (cm2/s) Cv (m2/thng)Si cui cp phi u 106 - 2x1082.5x108 - 5x1010Ct to, ct va, ct nh s 102 - 2x1062.5x104 - 5x108Ct bi, ct pha 0.5 - 100 102 - 2.5x104St pha 0.005 - 1 1 - 250St 0.0001 - 0.01 0.02 - 2.5
Khong th ng gp ca h s c kt Cv
thuyet minhtn nen eplunlun theo thoi gian
Button 1: Button 47:
