21
120
100
80
60
LV1-T(-30C)
LV2-T
LV3-T
40
LV4-T
LV5-T
LV1-T(50C)
LV2-T
20
LV3-T
LV4-T
LV5-T
0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Deflection (mm)
(a)
120
120
100
100
80
80
60
60
LV1-T(-30C)
LV1-T(-30C)
LV2-T
LV2-T
LV3-T
LV3-T
40
LV4-T
40
LV4-T
LV5-T
LV5-T
LV1-T(50C)
LV1-T(50C)
LV2-T
20
LV2-T
LV3-T
20
LV3-T
LV4-T
LV4-T
LV5-T
0
LV5-T
0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Deflection (mm)
Deflection (mm)
(b)
(c)
120
120
100
100
80
80
60
60
LV1-T(-30C)
LV1-T(-30C)
LV2-T
LV2-T
LV3-T
LV3-T
40
LV4-T
40
LV4-T
LV5-T
LV5-T
LV1-T(50C)
LV1-T(50C)
LV2-T
20
LV2-T
20
LV3-T
LV3-T
LV4-T
LV4-T
LV5-T
LV5-T
0
0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Deflection (mm)
Deflection (mm)
(d)
(e)
Figure 8. Loaddeflection curves after ten million cycles of fatigue loading: (a) Bridge #1;
(b) Bridge #2; (c) Bridge #3; (d) Bridge #4; (e) Bridge #5
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