1+2
1
A~E
a
b
c
d
e
e
B
e
D
H
B
H
D
H
U
(mm)
a
b
c
d
e
e
B
e
D
A
B
C
D
E
H
B
H
U
H
D
B
—
≥100
A, B, C
—
≥100 ≥100 ≥100
B, E
—
≥100
≥1000
≤500
A, B, C, E
—
≥150 ≥150 ≥150
≥1000
≤500
D
—
≥500
D, E
—
≥1000 ≥1000 ≤500
B, D
—
≥100
≥1000
B, D, E
H
B
<H
D
H
B
≤½H
U
≥250
≥1000 ≥1000 ≤500
½H
U
<H
B
≤H
U
≥250
≥1250 ≥1000 ≤500
H
B
>H
U
H
B
>H
D
H
D
≤½H
U
≥100
≥1000 ≥1000
≤500
½H
U
<H
D
≤H
U
≥200
≥1000 ≥1000
≤500
H
D
>H
U
≥200
≥1700 ≥1000
≤500
H
U
a
b
≥100
≥100
c
d
e
e
B
e
D
A
B
C
D
E
H
B
H
D
A, B, C
—
≥200 ≥300 ≥1000
A, B, C, E
—
≥200 ≥300 ≥1000
≥1000
≤500
D
—
≥1000
D, E
—
≥1000 ≥1000 ≤500
B, D
H
D
>H
U
≥300
≥1000
H
D
≤½H
U
≥250
≥1500
½H
U
<H
D
≤H
U
≥300
≥1500
B, D, E
H
B
<H
D
H
B
≤½H
U
≥300
≥1000 ≥1000 ≤500
½H
U
<H
B
≤H
U
≥300
≥1250 ≥1000 ≤500
H
B
>H
U
H
B
>H
D
H
D
≤½H
U
≥250
≥1500 ≥1000
≤500
½H
U
<H
D
≤H
U
≥300
≥1500 ≥1000
≤500
H
D
>H
U
≥300
≥2200 ≥1000
≤500
1
b (mm)
H
B
≤½H
U
b≥250
½H
U
<H
B
≤H
U
b≥300
H
B
>H
U
H
B
H
U
≥1000
≥200
≥2000
≥100
≥3000
≥600
≥1500
b
≥100
≥100
≥100
≥100
≥100
≥100
H
B
H
U
2
A1
B1
A2
B2
A2
≥1000
A2
≥300
≥100
≥100
≥100
≥300
≥100
≥100
B2
≥100
≥1000
B2
3