1、 1 SL Code of water injection test for water resources and hydropower engineering 2006 9 2 3 1 2 2.1 2.2 3 3.1 3.2 3.3 4 4.1 4.2 4.3 5 5.1 5.2 5.3 6 6.1 6.2 6.3 A B A 4 GB50287 SL55 SL188 (SL291) water injection test in pit water injection test in borehole shape factor k cm/s Q cm 3 /s F cm 2 H cm H
2、 a cm z cm 5 A cm t 1 t 2 s H 1 H 2 t 1 t 2 cm r cm l cm T 0 (s) H t t cm H 0 cm m k h cm/s k v cm/s 3.1.2 1 2 1520cm 1 2 23cm 510mm 6 10cm 0.5cm 1 0.1L 2 5 5min 20min 3 10% Qt 3.3.1 3.3.2 k= F Q(3.3.2) k cm/s Q cm 3 /s F cm 2 t(min) Q ( ) cm min / 3 0 7 4.1.2 20cm 25cm 50cm 1m 3 5L 1 2cm 1 2 1520cm
3、 1 25cm 50cm cm 2 cm 10mm 4.2.3 10cm 10cm 1 2 5 5min 30min 3 10% 8 10cm 25cm 50cm 1 2 3 4 35m 34m 20cm 20cm 2 Qt 3.3.1 k= ) 5 . 0 ( a H z H F Qz + +(4.3.2) k cm/s cm 3 /s cm 2 cm z cm a cm 4.3.2 9 5.1.1 5.1.2 5.1.2 cm 1 5 5min 20min 2 10 10 3 Qt 3.3.1 5.3.2 k= AH Q(3.3.2) k (cm/s) (cm 3 /s) (cm) B 6
4、.1.1 6.1.2 5.1.2 5.2.15.2.3 1 5min 10min 3 30min 2 lnH t /H 0 t 6.2.4 3 0.3 10 6.3.1 11 k= A r 2 p 1 2 2 1 ln t t H H -(6.3.1) H 1 t 1 (cm) H 2 t 2 (cm) r cm A lnH t /H 0 t 6.3.2 k= 0 2 AT r p(6.3.2) T 0 s lnH t /H 0 t 6.2.4 H t /H t0 0.37 lnH 0 /H t =1 T 0 H t t (cm) H 0 cm 6.3.1 t(min) 1 0.9 0.8 0
5、.7 0.6 0.5 0.4 0.3 0.1 T0 H t / H 0 12 13 14 t(min) Q ( ) cm min / 3 0 k= F Q 15 16 A.0.2-2 t(min) Q ( ) cm min / 3 0 k= ) 5 . 0 ( a H z H F Qz + + 17 d h min min cm L L/min 18 A.0.3-2 t(min) Q ( ) cm min / 3 0 k= AH Q 19 20 A.0.4-2 t(min) 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 H / H 0 t 0.37 k= A r 2 p 1 2 2 1 ln t t H H - k= 0 2 AT r p 21 H 2r