2010
1 20
1
2
3 Ld Ld
4 H0
5 JTJ021—89
6
7
3 30
1 20 ( )
A 300kN B 200kN C 100kN D 20kN
2
A B 1m
C D
3
A B C D
4 ( )
A 70 B 30 C 25 D 5
5 ( )
A B C D
6 ( )
A B
C 1 4 D 1 1
7 ( )
A 100m B 200m C 250m D 500m
8
A B
C D
9 H
A
B
C
D
10
( )
A B C D
3 9
1
2
3
2 10
1 ( )
2 ( )
3
( )
4 ( )
5
( )
5 10
21
QG 26.24kN
Q Q1 107.9