Engineering technical lode of Rainwater Utilization in Building and Sub-District GB

UDC GB P GB - Engineering technical lode of Rainwater Utilization in Building and Sub-District

Engineering technical lode of Rainwater Utilization in Building and Sub-District GB

1... 1 2... 2 2.1... 2 2.2... 4 3... 6 3.1... 6 3.2... 6 4... 8 4.1... 8 4.2... 8 4.3... 9 5... 11 5.1... 11 5.2... 11 5.3... 13 5.4... 14 5.5... 15 5.6... 15 6... 17 6.1... 17 6.2... 17 6.3... 19 6.4... 20 7... 21 7.1... 21 7.2... 21 7.3... 22 I

7.4... 22 8... 23 8.1... 23 8.2... 23 8.3... 24 9... 25 10... 26 10.1... 26 10.2... 26 10.3... 26 11... 27 11.1... 27 11.2... 27 12... 28 A... 29 B... 30 C... 31 D... 32 E... 33 II

[2005]84 2005 12 19 100044 III

1 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 1.0.7 1

2 2.1 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 2.1.9 2.1.10 50 2.1.11 50 2.1.12 2.1.13 2.1.14 2.1.15 2

2.1.16 2.1.17 2.1.18 2.1.19 2.1.20 2.1.21 2.1.22 2.1.23 2.1.24-2.1.25 2.1.26-2.1.27 2.1.28 2.1.29 2.1.30 2.1.31 3

2.1.32 2.2 Q m q F W c h y P t A b c n t 1 m m=1 t 2 q dg q df q cg g e q d A z A d S x X x K L L x Le h d h z h e B B d B ek W i 4

W s W c F F 0 t W V n 5

3 3.1 3.1.1 10 A 3.1.2 B COD 80~120mg/l SS 20~40mg/l 10~40 3.2 3.2.1 3.2.2 GB50015 3.2.3 C 3.2.4 GB50015 3.3.2 1 3.2.4-1 1 h/d K h 40 50 24 2.3~1.8 20 40 24 2.5~2.0 30 50l 16 3.0~2.5 2 20 40 24 2.0~1.5 3 20 40 24 2.5~2.0 4 20 30 10 1.5~1.2 5 5~10 12 1.5~1.2 6 1 3 12 1.5~1.2 7 15 20l/ 8 1.5~1.2 8 30~40 16 1.5~1.2 9 3 5 3 1.5~1.2 10 1~2 2 1.5~1.2 11 1~2 4 1.5~1.2 12 2~3 6 1.5~1.2 13 1~2 2 1.5~1.2 6

3.3.2 % 21~25 10~14 60~66 2~5 5~7 3.2.5 (GB/T18919) 3.2.6 GB/T18920 GB/T18921 GB3838 3.2.7 7

4 4.1 4.1.1 1 2 3 4.1.2 10-6 m/s~10-3 m/s 1.0m 300mm 4.1.3 4.1.4 4.1.5 4.1.6 4.2 4.2.1 4.2.1-1 4.2.1-2 Q L/s Q = m qf W =10 c h y F m 4.2.1 q L/s ha F ha W m 3 c 4.2.1 h y mm 4.2.2 4.2.1-1 4.2.1-2 167 A (1 + c lg P) q= n ( t+ b) (4.2.2) 8

q L/s ha P a 1~2 t min A b c n 4.2.1 m c 0.8~0.9 1 0.3 0.6~0.7 0.8 0.3 0.4 0.5 0.6 0.7 0.8~0.9 0.9 0.3 0.5~0.6 0.7 0.3 0.4 0.5 0.3 0.4 0.15 0.25 0.25 1 1 0.3 ( 50cm) 0.15 0.25 0.25 c 30mm 4.2.3 t = t 1 + mt 2 4.2.3 t min t 1 min 5~10min m m=1 t 2 min 4.2.4 4.2.1-1 4.2.2 4.2.4 4.2.4 3~5 2~3 a 4.3 4.3.1 9

4.3.2 4.3.3 1 2 3 4 5 6 4.3.4 4.3.5 1 2 4.3.6 4.3.7 4.3.8 4.3.9 1 2 3 4 5 6 7 4.3.10 10

5 5.1 5.1.1 5.1.2 5.1.3 5.1.4 4.2.1-1 4.2.2 5.1.5 5.1.7 5.1.5 5.1.5 5.1.5 a 1 2 2 5 10 20 20 50 5.1.5 5min 2.5% 5min 1.5 5.1.6 1 2 50% 50% 3 5.2 5.2.1 5.2.2 5.2.3 0.003 5.2.4 5.2.4 11

q dg = 2.78 10-5 k dg A z 1.25 (5.2.4) q dg L/s A z mm 2 k dg 0.9 5.2.5 5.2.5 q dg = q S X k dg (5.2.5) df x x q df L/s q df =3.48 10 5 1.25 A Z q df =3.89 10-5 1.25 A d Sx D Xx D k dg 0.9 5.2.6 q cg = q L 5.2.6 dg x L x E 5.2.7 10 0.85 5.2.8 5.2.9 5.2.10 0.003 5.2.11 5.2.11 5.2.11 mm hz 85 85-250 250 25 0.3 hz 75 5.2.12 Ad 2 5.2.13 5.2.14 5.2.15 12

B e = M 2 3 g e 2g h e 3 2 1000 5.2.15 B e m g e L/s g m/s 2 h e m M 0.6 5.2.16 q e 1.5 Le he = 5.2.16 2400 q e L/s L e m 5.3 5.3.1 5.3.2 2/3 2/3 5.3.3 5.3.4 65 87 5.3.4 5.3.4 65 87 L/s (mm) 50 75 100 150 200 4 8 12~17 26~36 40~56 5.3.5 2~2.5 mm 5.3.6 5.3.7 4 5.3.8 13

5.3.9 5.3.10 0.005 5.3.10 5.3.10 L/s (mm) I 75 100 150 200 250 0.02 3.1 6.6 19.6 42.1 76.3 0.03 3.8 8.1 23.9 51.6 93.5 0.04 4.4 9.4 27.7 59.5 108.0 0.05 4.9 10.5 30.9 66.6 120.2 0.06 5.3 11.5 33.9 72.9 132.2 0.07 5.7 12.4 36.6 78.8 142.8 0.08 6.1 13.3 39.1 84.2 142.8 0.09 6.5 14.1 41.5 84.2 142.8 0.10 6.9 14.8 41.5 84.2 142.8 m 0.5 5.3.11 5.3.12 5.3.12 5.3.12 (mm) 75 100 150 200 250 300 L/s 10~12 19~25 42~55 75~90 135~155 220~240 12 5.3.13 1.0m 5.3.14 25~40m 5.3.15 0.5MPa 5.3.16 5.4 5.4.1 50 5.4.2 5.4.3 14

5.4.4 90% 5.4.5 DN50 6L/s 5.4.6 5.4.7 5.4.8 5.4.9 1m/s 2.2m/s 10m/s DN40 5.4.10 5.4.11 10kpa 5.4.12 5.4.13 1 90kpa 2 80kpa 5.5 5.5.1 4.2.1-1 4.2.2 5.5.2 1 2cm 5.5.3 40m 5.5.4 5.5.5 5.6 5.6.1 3 5.6.2 5.6.3 5.6.4 15

5.6.5 2 3mm 5 7mm 5.6.6 Wi 10 δ F 5.6.6 Wi m 3 mm 0 5.6.7 3 5.6.8 5.6.9 5.6.10 1 2 3 0.1 4 5 6 7 5.6.11 1 2 10 3 4mm 4 2mm 5.6.12 1 2 3m 1.2m 2 10-5m/s 3 24 6.3.2 16

6 6.1 6.1.1 6.1.2 6.1.3 1 10-6 m/s 2 10-6 m/s 6.1.4 1a 1/3 6.1.5 6.1.6 6.1.7 6.1.3 6.1.8 6.1.9 6.1.10 3m 6.1.11 6.1.12 50~100mm 6.2 6.2.1 1 2 3 6.2.2 17

1 2 1 10-4m/s 2 60min 3 60mm 20% 30mm 150mm 30% 4 1 10-4m/s 5 6.2.3 300mm 6.2.4 1 100mm 1 10 5m/s 2 100mm 1 10 4m/s 3 100mm 4 6.2.5 1 15% 20% 150mm 0.01 0.02 2 3 150 4 0.7m 5 6.2.6 1 0.003 0.01 0.02 2 200mm 3 4 6.2.5 6.2.7 1 0.33 6:1 2 3 18

4 6.2.8 1 5 10-6 m/s 2 3 6.2.9 50 300g/cm 2 6.3 6.3.1 6.3.1 mm 6.3.1 % K m/s 0 1.16 10-6 2.89 10-6 2.89 10-6 5.79 10-6 5.79 10-6 1.16 10-5 0.1 0.25 < 75 1.16 10-5 5.79 10-5 0.1 0.25 > 75 5.79 10-5 1.16 10-4 0.25 0.50 > 50 1.16 10-4 2.89 10-4 0.50 1.00 > 50 2.89 10-4 5.79 10-4 1.00 2.00 > 50 5.79 10-4 1.16 10-3 8.68 10-4 1.74 10-3 1.16 10-3 2.31 10-3 2.31 10-3 5.79 10-3 5.79 10-3 1.16 10-2 6.3.2 W 3 W = s / =1 2 s s 6.3.2 6.3.3 1 19

2 1/2 3 1/2 4 6.3.4 W c q = 1.25 60 ( F Ψ c + F0 ) t 6.3.4 1000 W c m 3 F hm 2 F 0 m 2 t min 6.3.5 W = Max W c -W W m 3 120min 6.3.5 6.3.6 V W /n; V m 3 6.3.6 n 30% 1 6.4 6.4.1 4.2.4 6.4.2 20 30mm 6.4.3 40m 6.4.4 -- 20

7 7.1 7.1.1 7.1.2 7.1.3 4% 1a 90%~95% 7.1.4 W s ( hy δ ) ψ c F = 7.1.4 1000 Ws m 3 7.1.6 7.1.7 7.1.8 1 2 50 5 7.1.9 7.2 7.2.1 7.2.2 1 2 7.2.3 600mm 300mm 21

5% 7.2.4 7.2.5 7.2.6 7.2.7 7.2.8 7.3 3 7.3.1 7.3.2 7.3.3 7.3.4 7.3.5 7.4 7.4.1 1 2 3 7.4.2 5.6.11 7.4.3 7.4.4 7.4.5 22

8 8.1 8.1.1 8.1.2 8.1.3 1 2 8.1.4 1 2 3 4 5 8.1.5 8.1.6 1 100m 3 /d 2 100m 3 /d 8.1.7 8.2 8.2.1 1 Q q = t 8.2.1 q m 3 /h Q m 3 /d t h/d 2 23

8.2.2 1 2mm 2 3 8.2.3 8.2.4 8.2.5 35%~50% 8.3 8.3.5 8.3.1 8.3.2 8.3.3 8.3.4 24

9 9.0.1 9.0.2 1 2 3 4 9.0.3 9.0.4 1 5 5 10 9.0.5 9.0.5 V m 3 1.5 V ( 1 α ) Q 9.0.5 = max Q max m 3 /s t c Q max s 9.0.6 24h V 500 1000m 3 D 150 250mm V 1000 2000m 3 D 200 300mm t c 25

10 10.1 10.1.1 10.1.2 10.1.3 10.1.4 10.1.5 10.1.6 3% 1% 10.1.7 10.2 10.2.1 0.15m 0.7m 10.2.2 90kPa 80kPa 10.2.3 500mm 100mm 500mm 10.3 10.3.1 10.3.2 GBJ118 10.3.3 26

11 11.1 10.3.3 11.1.1 GB50268 11.1.2 11.2 11.2.1 1 2 3 4 5 6 7 11.2.2 1 2 3 4 5 6 11.2.3 11.2.4 27

12 12.0.1 12.0.2 12.0.3 12.0.4 12.0.4 12.0.4 / 1 10 / 1 10 / 1 / 3 10 / 6 / 1 1. / 2. 3. / 4. 5. 6. 12.0.5 12.0.6 28

A 3 1 2 29

30 B B 0.5~5 13 0.8~4 9.8 TN(mg/L) 0.5~2 5.6 0.8~1 4.1 TP(mg/L) 0.5~2 0.057 0.5~2 0.054 0.002 (mg/l) 0.2~2 0.3 0.5~2 0.23 0.69 <0.05 Pb(mg/L) 0.8~1.5 7.9 NH3-N(mg/L) 0.5~2 3.50 0.5~2 3.93 (mg/l) 0.5~3 1934 0.5~3 800 800 <10 SS(mg/L) 0.5~3 1220 0.5~4 200 700 25 200 COD(mg/L) 0.5~5 13 0.8~4 9.8 TN(mg/L) 0.5~2 5.6 0.8~1 4.1 TP(mg/L) 0.5~2 0.057 0.5~2 0.054 0.002 (mg/l) 0.2~2 0.3 0.5~2 0.23 0.69 <0.05 Pb(mg/L) 0.8~1.5 7.9 NH3-N(mg/L) 0.5~2 3.50 0.5~2 3.93 (mg/l) 0.5~3 1934 0.5~3 800 800 <10 SS(mg/L) 0.5~3 1220 0.5~4 200 700 25 200 COD(mg/L)

C C (mm) (mm) 1 1.4 29.9 2 5.5 32.1 3 19.9 57.1 4 27.4 125.0 5 63.1 133.2 6 67.8 132.7 7 106.7 99.0 8 95.4 98.4 9 56.2 85.8 10 15.7 78.2 11 6.5 45.1 12 1.4 29.3 466.7 946.9 31

D 32

E 33