Page 275 - Bridge and Highway Structure Rehabilitation and Repair

250 SECTION 2 STRENGTHENING AND REPAIR WORK

Table 6.6 H-20 and H-15 truck loads (introduced 1944).

Max. Moment Max. Shear/
H-20 Truck Using Reaction H-20 Max. Moment H-15
Span Length 10(L-2.8) (L-2.8)/L* Truck Using Truck 7.5(L-2.8)
(Feet) (Kip-Ft) 8(5L-14)/L* (Kips) (L-2.8)/L* (Kip-Ft)
Small spans
20 147.92 34.4 110.94

22 167.56 34.91 125.67
24 187.27 35.33 140.45
26 207.02 35.69 155.26
28 226.8 36 170.1
30 246.61 36.27 184.96

32 266.45 36.5 199.84
34 286.31 36.71 214.73
36 306.18 36.89 229.63

38 326.06 37.06 244.55
40 345.96 37.2 259.47
Medium spans
42 365.87 37.33 274.4

45 395.74 37.51 296.81
50 445.57 37.76 334.18
55 495.43 37.96 371.57
60 545.31 38.13 408.98

65 595.21 38.28 446.40
70 645.12 38.4 483.84
75 695.05 38.51 521.28
80 744.98 38.6 558.74

85 794.92 38.69 596.19
90 844.87 38.76 633.65
95 894.83 38.82 671.12
100 944.78 38.88 708.59

105 994.75 38.93 746.06
110 1044.72 38.98 783.53
115 1094.68 39.03 821.01
120 1144.65 39.07 858.49
* Developed by the author (lane load may govern).