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20 L = H = H =10 20 L = 10; H = H = 5
W h1 h3 h4 W h1 h3 h4
18 H 45° H 45° 18 H 45° H 45°
16
16 b L b L 14 b L b L
14 b H =1 b H =1 b H =1 b H =1
12 12
k=1 k=1
10 2 10 2
8 86 4 864
7.5 10 10
∞
6 ∞
4 Z =0.75 8 Z =0.75
3.75 7.5
k=1 k=1 Z =0.375
2.5 2 6 2 Z =0.25
2
86 4 4
10 10 8 6
∞ ∞
∞ 10 8 6 4 2 k=1 Z =0.375 4 ∞ 10 8 6 4 2 k=1
Z =0.25 3.75
2.5
2
LL
HH
00
0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10
20 Figure 2.18.5. 20 Figure 2.18.6.
W W
L = H = H =10 L = 10; H = H = 5
18 h1 h3 h4 18 h1 h3 h4
16 16
14 H 14 H 45°
45°
b L b L
b H =1 b H =1
12 12
k=1 k=1
10 2 10 2
8 86 4 4
7.5 10 86
10
6 ∞ ∞
4 Z =0.75 8 Z =0.75
3.75 7.5
k=1 k=1 Z =0.375
2.5 2 6 Z =0.25
2 2
864 6
10 4
∞ 8
10
∞
∞ 10 8 6 4 2 k=1 Z =0.375 4 ∞ 10 8 6 4 2 k=1
Z =0.25 3.75
2.5
2
LL
HH
00
0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10
Figure 2.18.7. Figure 2.18.8.
