P 14P 26 52
1
26 4-1 26 2 1)
10.5km3
50m
PC L=32.1m RCT L=16.6m 21 2
50m -2 -3
GRS
G R S 1 G R S
-4a 2)
GRS Geosynthetic-Reinforced Soil3) 4) 5) GRS
-4b6)
Design of Haipe-sawa Bridge on Sanriku Railway Kitariasu-Line
* * * **
-2
RCTPC
A1
PC RCT
L=32.1m L=16.6m A2 A1 P1
PC
RCA1
22
1.45m2.55m
16.60m32.06m
R C TP C
21
22
1.45m2.55m
16.60m32.06m
R C TP C
21
a)
a)
b)
-4 GRS
G R S
-3
-1
H 23.3.16
H 24.4.1
H 26.4.6
H 23.3.29
H 23.3.20
1
P 14P 26 52
2
GRS -57) 8) GRS
-6
GRS-1 GRS
L=12m9) 10) 11)
G R S
GRS
GRS
-7a
-7b
-1 GRS
GRS
-5 GRS
GRS
5m13m
RL
GL
-6 GRS
a)
-7 GRS a) b) c)
10cm
2
P 14P 26 52
3
-7c
GRS
G R S
GRS
GRS
G R S
GRS
GRS GRS
GRS
GRS A1 P1
2 A2-8 -2
S R C G R S
4.7m
GRS
60.00m
6.7m
32.16m 27.84m
S R C 2.2 2.7m
A 1 P 1 A 2
2.3m 6.0m
3,600m m 3,150m m
12 6
-2 GRS
32160 27840
A1 P1 A2
1300
2
8500 8500 4500
1000
-8
3
P 14P 26 52
4
PC
SRC L=60.0m
G R S
GRS1 12.0m RC
60.0m12) 13) 14)
GRS2
-9
1-2 2 GRS
-10 GRS
15)
Kgt
0,321 50.37 gtgt kk kN/m
1 =3.75 =1.5/0.4
1.5m
40cm
2 =5
3 =2
Kgt,0 1.5m kN/m
N 20Kh -9
-9
-10
-3
( )
( )
C ase 1
- - -
C ase 2 - - -
C ase 3
- -
C ase 4 - -
C ase 5
-
C ase 6 -
-4
[ ]
+ +
[ ]
+ +
+ +
1/3
3% 12m m
400 3%
L 1
1
L 2
1/3
3% 12m m
400 3%
2
4
P 14P 26 52
5
GRS
-3
-4 S R C
SRC
1 S R C FE M
GRS
SRC
-11 3 FEM
FEM -12
45
30°
2
FEM-13
1120 SRC
30°RC SRC
h 3870mm
SRC RC RC
D 1.0D16)
3
4.7m 100210 450
SL600
SM490
S R C
R C
-13
-11 SRC FEM
-12
+ + + +
0.9 1.71.4
1.7
1.51.2
1.0
0.70.5
0.2
0 .00 .3
0 .5
0 .81 .0
1 .3
1 .5
N/mm2
2.52.01.51.00.5
0.00.51.00.51.5
2.0
N/mm2
5
P 14P 26 52
6
40mm90mm
W/C 50
GRS
3-1
-5
1 -14 GRS
GRS
SRC
GRS
GRSGRS
PC
GRS
1GRS pp.106 108 2013.8
2 , pp.22 27 2013.12
3 pp.84 92 1995.11
4
Vol.18 2003 5
Vol.18 No.4 pp.29 34 2004.4 6
Vol.28 2013.12 7
pp.22 27 2008.1 8
GRS , pp.106 108 2013.8 9 GRS ,
Vol.49 No.10 pp.880 883 2011.10 10
Vol.27 pp149-156 2012 11
Vol.28 pp369-374 2013 12 GRS
Vol.28 pp149-156 2013.8 13
1999 14
Q&A 2004 15
2012 16
Vol.47A pp1391-14012001.3
-14 1
-5 GRS
12m 32.2+28.8m
G 1 G 1
(sec) 0.189 0.225
943 1218
6