Page 429 - MORPHOLOGIE DES STRUCTURES

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LES PORTIQUES 429

20 L = H =10 20 L = 10 ; H = 5
W h1 h2 W h1 h2

18 L 18 L

16 Hα α Hα α 16 Hα α Hα α

14 bLb bb 14 bL b bb

12 12

10 k=1 10

2 k=1

8 64 2
10 8 64
10
8∞ 8
∞

Z =0.75 Z =0.75

6 k=1 6 k=1
∞ ∞
2 2
64
10 8 8 6 4
10

4 ∞ 10 8 6 4 2 k=1 4 ∞ 10 8 6 4 2 k=1

Z =0.375 Z =0.375

Z =0.25 Z =0.25

2 2

LL

H H
0
0
01234567 8 9 10 0 1 2 3 4 5 6 7 8 9 10

50 Figure 2.23.3. b 50 Figure 2.23.4. b
H 1.10 H 1.10
α L = H = 10 α L =10 ; H = 5
h1 h2 1 h1 h2 1
Z =0.25
Hα α 0.90 Z =0.375 Hα α 0.90
0.83 40 0.83
40
Z =0.25 0.80 0.80
Z =0.375
bLb b Lb 0.70
30 L L
Z =0.75 0.60
Hα α 0.70 Z =0.75 Hα α 0.57
30
0.60 0.50
0.57

bb bb

0.50

0.40 0.40
20 0.36 20 0.36

0.30 0.30

k=1 k=1

0.20 0.20

2
10 2 10

4 4

6 0.10 6 0.10

8 8
10
10

L L

H H
0 k =∞ 0 k =∞

0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10

Figure 2.23.5. Figure 2.23.6.