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