ICS 13.220 C 80 S Z D B /Z SZDB/Z 74 2013 201-01-24 2013-02-01
1. 2. 3. 4. 5. 6. 7. 8. 9. B C I
GB/T 1.1-2009 II
GB 50016 GB 50157 GB 50490 GB 50098 GB 50116 GB 50166 GB 50243 GB 50261 GB 50263 GB/T 21197 DBJ/T 15-77 G 533 G 653 G 836 1
B 15% 2B 12 3 1 2 3 B 2
1.6mm B GB 50016 7.2 B GB 50016 7.5 3
40m 8m 40m 20% 24m 0.5m 33% 2m 6 cm 1cm 2m 6cm 0.5m G533 2 1h 50% 4
50% 30s B 1m 3 /(m 2 min) 2m 3 /(m 2 min) 10m/s 20% 5 C 50% 20% 5 5
2m 5m 50% 5.3.1 a) b) c) d) 20% 5 1.5m/s 1.5m/s 1.5m/s GB 50243 4.2 10% 5 6
4.2 B 5% B 30s 20% 5 1 8 B 7
1 2 35m 1/2 90s 8
B B / ( ) 9
B GB 50157 19.2 GB50261 10
GB 50263GB50140 GB 50016 30% 11
/ 5% 10 1 2 10 B B 25m 12.5m B 30% 12
1h B FSBS BSFS BS BS FS 30s FS BSBS 13
14
15
B / / B 16
B FS BS 17
1 18
2 1 2 19
20
1 1.8m (1) v = ( v + v + v + v +... + v ) / N (1) 1 2 3 4 N N 1 2 9 12 3 (2) (3) v = ( v + v + v ) / 3 Q = v 1 2 3 (2) (3) 21
Q 22