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vacuum assisted grouting

SEEE 2001 11 2002 10 150 SEEE

PC PC 2002 PC PC PC PC PC 1 SEEE PC 1

JIS 0MPa 0.1MPa 100 MPa0.1MPa1 760Torr 100 0.1MPa l /min 2

0.09MPa 90% -2.1 90 0.09MPa -2.1 0.09MPa 0.1 1 0.15150 15 3

() 900.09MPa -2.2 STEP-1 () 0.09MPa STEP-2 () STEP-3 () STEP-4-2.2 4

PC PC -2.1-2.1 0.09MPa 5

-2.3 Phase.1 Phase.2 Phase.3-2.4 12S15.2-2.5-2.3-2.4 6

-2.5 7

-3.1 0.09MPa -3.1 8

3050cm PC 1.0-3.2 9

-3.3-3.3-3.4 10

0.09MPa 3-1 -3.5-3.1-3.5 11

1-3.1-3.1 mm 1722 mm 800 mm 2300 kg 610 Type BUSCH 0063E m 3 /hour 60(60Hz)50(50Hz) Pa(Torr) 266020 dba 71 200V3 50Hz/60Hz kw 2.2 rpm 1450 l 2 kg 70 2-3.6-3.6 12

0MPa0.1MPa -3.2-3.2 3 AC200V3 180 30 10 13

4 (3.1)0.09MPa 0.01MPa s 60 m 3 /hour1.0 m 3 /min 1 P1 0.10 MPa P2 0.01 MPa Lm A1m 2 v A1A2L + 0.3m 3 PC A2m 2 0.3m 3 1.3 2 1 60Hz 50Hz 50 m 3 /hour 2 v P1 t 2.3log 10 (3.1) s P 2 PC 12S15.2 0.01MPa0.09MPa [] 75mm4417.9 mm 2 PC 1664.4 mm 2 138.7mm 2 12 2753.5mm 2 P10.10MPa P20.01MPa -3.2 12S15.275 Lm 30 50 100 150 vm 3 0.383 0.438 0.575 0.713 (min) 1.15 1.31 1.72 2.13 14

1-3.7 1-3.7 15

1 19mm PC -3.3-3.3-3.4-3.4 25 PC 19mm 25mm 2.4MPa 0.6MPa -3.3 mm mm MPa g/m 19 19.0 26.0 2.4 300 25 25.0 33.0 2.4 440 32 32.0 41.0 1.6 620-3.4 mm mm MPa g/m 19 19.0 26.0 2.0 380 25 25.0 31.0 1.7 420 32 32.0 40.0 1.5 700-3.3-3.4 16

2-3.5-3.5 3-3.8-3.6 2-3.7 17

PC 25 PC 18

1Q 12S12.412S15.2 1015l /min 12S15.2-3.9 2Pmax PC 2.0MPa 19

-3.9 3 Pmax PC -3.5 PC PC 20

-3.5 mm m MPa MPa/m 0.090 19.0 0.50 0.075 0.038 0.052 65.0 35.00 0.015 0.525 0.473 19.0 0.50 0.075 0.038 0.511 25.4 15.00 0.028 0.420 0.931 PC 12S12.7 15 l /min 1.8MPa GF1720-3.10-3.5-3.10-3.10 21

-4.1-4.1 22

PC -4.1-4.2 12S12.7 65mm 105m JP 16.9 48.0 69.5 10l/min 105.2 5l/min -4.2 23

0.09MPa -4.3 24

1-4.4-4.1 A A B C B 0.09MPa A A A 0.09MPa B B 25

3 2-4.5 0.09MPa A A A 0.09MPa A A A -4.5 B B 3 26

1 2 3-4.6 3 27

-4.2-4.3 4-4 PC -4.2 1 3-3-3 2 3 3-3-1 4 3-3-2 5 4-3 4-2 -4.3 1 2 3 4 5 6 28

-4.4 1 2 29

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PC 33 Vol.45,No.1,Jan. 2003pp.97104 PC 41 58 pp.639640 PC 43 58 pp.641642 PC 45 12 pp.4144 PC 2 50 31

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PC PC PC SEEE -1 12S15.2, 19S15.2 2 25-2 41

12S15.2 15 10-1 12S15.2 75mm 10m -1-3 0.05 97.8 99.0 100 97-3 PC PC PC PC PC PC PC PC PC, 2002 PC Vol 45 No 1 Jan 2003 42

( ) ( ) ( ) ( ) R R R R R R 43

A B C A B C (L/ ) (L) (Mpa) 44

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SEEE SEEE 2 (2001 7 2002 5 ) (Vol.45, No.1 Jan. 2003) 2 1.0bar=0.1MPa 0.1bar=0.01MPa I (2001 7 ) ) No.1 No.3 No.5 12S15.2 80mm 0.1 bar 0.1 bar : 20m : 2.0m : 25 deg No.2 No.4 No.6 19S15.2 105mm 0.1 bar 0.1 bar : SEEE/FUT : : GF-1720 25 1/16 50

12S15.2 9 40 5 50 19S15.2 20 20 14 20 II (2002 5 ) I 25 (10 15 ) (deg) (m) No.1 15 9.4 No.2 0.1 bar No.3 0.1 bar 10 11.3 : 1.0m : 10 /min : 12S15.2 : : 75 : GF-1720 0.70.2%0.05% 97% 97.899.0% 2/16 51

3.1 2 3 (III ) 150m 3.2 150m 150m Case-1 75mm Case-2 105mm HDPE #9000 Case-3 75mm Case-4 75mm Case-5 PE 100A 114mm EF ) FUT EF case-1 0.6MPa case-2 0.6MPa 0.75MPa case-3 1.0MPa case-4 0.5MPa case-5 1.1MPa EF 3/16 52

3.3 3 II 75 (19S15.2 105mm) II 150m 4 1 30m A A 30 000 1 500 1 000 R= 4 000 R= 4 000 1396 5 409 7 938 8 288 698 5 915 698 FUT 19T15 R= 4 000 1 500 B C 30 000 B C 1 700 5 252 5 236 R= 10 000 3 935 R= 10 000 R= 10 000 2 618 2 618 FUT 12T15 5 252 1 700 C 35 000 40 000 40 000 35 000 35 000+2@40 000+35 000 = 150 000 Case (deg) (m) 30 m 19S15.2 10 1.5 30 m 150 m 12S15.2 15 1.7 ( /min ) 15 0.1 bar GF-1720 (19S15.2) 4.0m 10 4/16 53

15 /min GF-1720 0.45MPa (Step by Step ) (19S15.2)105 (12S15.2) 75 PE 105 75 PE ( ) () ()PC PC () 2002 5/16 54

2 000 2 000 R R 2 600 2 600 1 000 2 000 R R 2 600 2 600 1 000 R R 2 600 2 600 1 000 6/16 55

3.4 (1) 2002 12 17 W/C C W (GF-720) 43.0% 75 kg 32.3 kg 0.75 kg 56.0 () 8 12 15 17 18 18 1 13.0 13.1 13.2 2 14.1 14.1 13.8 (sec) 3 13.5 14.4 14.2 (JP ) 13.5 13.9 13.7 (MPa) 7 28 50.8 73.7 50.9 74.8 50.0 69.6 ) (kg/m 3 ) 1,978 1,990 1,992 ) 28 7/16 56

(2) (19S15.2) ( ) 2.5m/min (12S15.2) () 2030cm () () 8/16 57

10cm 1 0.45MPa 15l 10l 8l 9/16 58

(3) -- 19T15 / L = 30m / = 10deg / H = 1.5m / R = 4.0m 30 000 (L/) (L) PE(Mpa) 1 500 1 000 R= 4 000 R= 4 000 1396 5 409 7 938 8 288 698 5 915 698 FUT 19T15 R= 4 000 1 500 -- 12T15 / L = 30m / = 15deg / H = 1.7m / R = 10.0m 30 000 (L/) (L) PE(Mpa) 1 700 5 252 A 5 236 R= 10 000 3 935 R= 10 000 R= 10 000 2 618 2 618 FUT 12T15 5 252 B 1 700 10/16 59

-- 12T15 / L = 150m / = 15deg / H = 1.7m / R = 10.0m (L/) (L) PE(Mpa) 35 000 40 000 40 000 35 000 35 000+2@40 000+35 000 = 150 000 (-4) 20 /min 9 10 /min 9 30 10 10 10 /min 0.01MPa 3 (-5) 6 0.4MPa 15 /min 5 /min 1/3 1/3 (105mm75mm) ( 11/16 60

2.0g/cm 3 0.02MPa 0.034MPa) () (-6) 15 /min 10 8 /min 17 8 2 25 1 2 1 3 37 2 3 0.32MPa 0.008MPa/m PC PC () 2002(p90) 0.015MPa/m( 15 /min) (6575) 12/16 61

(4) () 13/16 62

2-B 3-A 7-B 7-B 14/16 63

3.5 105 (19S15.2) 10 15 /min( 2.5m/min) 75 (12S15.2) 150m (12S15.2) 0.45MPa 47 3 1. PC 2. 3. 4. PC 5. 1.01.5MPa 0.5MPa 15/16 64

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