Table 6 Summary table of fatigue resistance reserve coefficients and design service life.
From: Calculating the fatigue strength of load-bearing structures of special self-propelled rolling stock
No. sections | 1 | 1′ | 2 | 2′ | 2′′ | 3 | 3′ | 4 |
---|---|---|---|---|---|---|---|---|
Before modernization | ||||||||
n | 2.35 | 1.49 | 3.06 | 1.81 | 4.96 | 1.59 | 2.7 | 1.93 |
Tк | 198.73 | 29.8 | 555.37 | 65.72 | 3835.0 | 40.7 | 338.33 | 89.3 |
After modernization | ||||||||
n | 2.6 | 2.1 | 4.39 | 3.64 | 5.04 | 1.59 | 2.7 | 1.93 |
Tк | 290.0 | 125.1 | 2348.1 | 1109.82 | 4083.4 | 40.7 | 338.33 | 89.3 |