原位置透水試験装置 「水華YC-K1 ... - yon-c.co.jp

1 2012-127673 YC-K1 +YC-K2 ( ) YC 1 YC 2 YC 1 YC 2 YC 1 2m ( ) YC 2 1. 1 2. 2 3.

2 YC-K1 ( ) 3 3 (1) 3 (2) 3 4 (1) 4 (2) 4 (3) 6 7 (1) 7 (2) 7 (3) 8 (4) 9 4. YC-K1 YC-K2 ( ) 10 10 11 (1) 11 (2) 11 (3) 14 15 (1) 15 (2) 15 (3) 17 (4) 18 5.

3 19 [YC-K1 ( )] [YC-K2 ( )] 1. -1- [YC-K1 ( )] [YC-K2 ( )] 120mm 400kPa(4kg/cm2) 400kPa 2.

4 -2- (1) (JGS 1316 2003) ( ) ( JGS 1316 2003) (2) ( ) 2 2 1 ( ) YC K1 (JGS 1316 2003) (1) ( ) (2) 30cm 30cm ( ) 5cm -4- 85% 90% h -5-(3)

5 1 cm/s m/s (SI ) 3 5 5 3 3 ( ) 1 10-5 cm/s(10-7 m/s) 2 10-4 10-5cm/s(10-6 10-7m/s) 3 10-3 10-4cm/s(10-5 10-6m/s) 6 10-2 10-3cm/s(10-4 10-5m/s) -6- H t ( JGS 1316 2003 ) (1) H t H t H t t1 t2 3 t1 t2 (2) Q(cm3/s) 1221)(ttHHAQ A (= a2)(cm2) a (cm) t1, t2 H1, H2 t1, t2 (cm) k(cm/s) hrhrrhrhhQk02/1202/1200211ln2 Tu>3h Q (cm3/s) h (cm) r0 (cm) Tu (cm) Q (cm3/s) h (cm) r0 (cm) k= 10-4(cm/s) 10-6(m/s) -7- Tu Tu<3h 102)/(3/16/1/ln2 TuhrhhQk 3h>Tu>h 2102)/(2/1)/()

6 /ln(2 TuhTuhrhhQk h>Tu ( )( of Interior) (3) 1) 2) 3) 4) H t 5) ( cm/s m/s ) 6) 7) 1 4 8) ( ) -8- YC-K1-200 K1-16AD00T1-2012 (mm) C ( C) (cm) (cm) Tu (cm) (g/cm3) (g/cm3) Dc (%) w (%) Sr (%) ( : ) ( )H1(cm) ( : ) ( )H2(cm) (sec) - ( ) H(cm) - h (cm) (cm3) *( /2)^2* Q(cm3/sec) / r0(cm) /2 k (cm/sec) *)*)h: Q: r0: k: ) u>3h a = cm Z = cm 1 = cm h = cm 2r0 cm ) cm ) cm ) ) ) :02:500:05:520:08 0:00:000:02:500:05.

7 52 3 1 2 hrhrrhrhhQk02/1202/1200211ln2 (4) -9- YC 1 ( ) YC 2 ( ) YC 2 2m YC 1 ( ) YC 2 YC 1 YC-K1 YC-K2 YC-K2 (JGS 1316 2003) (1) YC 1 YC 2 ( ) (2) 12cm 200cm -11- YC 2 300kPa(3kg/cm2) YC 2 -12- 1 1 ( ) 85% 90% 1 YC 2 h 1 ( )

8 -13-(3) 1 cm/s m/s (SI ) 1 ( ) 3 5 5 3 3 YC 1 YC 2 ( ) 1 10-5 cm/s(10-7 m/s) 2 10-4 10-5cm/s(10-6 10-7m/s) 3 10-3 10-4cm/s(10-5 10-6m/s) 6 10-2 10-3cm/s(10-4 10-5m/s) -14- H t ( JGS 1316 2003 ) (1) H t H t H t t1 t2 3 t1 t2 (2) Q(cm3/s) 1221)(ttHHAQ A (= a2)(cm2) a (cm)

9 T1, t2 H1, H2 t1, t2 (cm) k(cm/s) rlrrlhlhlhQk2212)/(sinh)2/(4 (d) Tu>3h Q (cm3/s) h (cm) r0 (cm) Tu (cm) l Q (cm3/s) h (cm) r0 (cm) l 75cm k= 10-3(cm/s) 10-5(m/s) -15- Tu Tu<3h Q Q (Tu/h) ( ) ( ) (Tu/h) Q 10cm3/sec (a) (b) Q ( ) Q 10cm3/sec 20 cm3/sec (2 ) (d) (d) (2011) 57 hrhrrhrhhQk02/1202/1200211ln2 (a) Tu>3h 102)/(3/16/1/ln2 TuhrhhQk (b) 3h>Tu>h 2102)/(2/1)/()/ln(2 TuhTuhrhhQk (c) h>Tu ( )( of Interior) ( ) -16-(3) 1) 2) 3) 4) H t 5) ( cm/s m/s ) 6) ( YC 1 YC 2 ) 7) 1 4 8)

10 -17- YC-K1-200 K1-16AD00T1-2012 (mm) C (mm) ( C) (cm) (cm) Tu (cm) (g/cm3) (g/cm3) Dc (%) w (%) Sr (%) ( : ) ( )s1(cm) ( : ) ( )s2(cm) (s)