Page 273 - Bridge and Highway Structure Rehabilitation and Repair

248 SECTION 2 STRENGTHENING AND REPAIR WORK

Table 6.4 HS-15 truck loads (introduced 1944).
Lane Load Lane Load 0.48 Max. Moment
Span 0.48 Kips/ft 4 Kips/ft 4 HS-15 Truck Max. Shear/Reaction
Length Conc. Load of Conc. Load of 13.5 (L-1.55) (L-14)/L* HS-15 Truck
(Feet) 18 Kips (BM) 26 Kips (SF) (Kip-Ft) 18 (3L-28)/L* (Kips)
Small spans
22 103.29 24.78 100.390 31.090

24 115.56 25.26 126.281 33.000
26 128.31 25.74 152.342 34.615

28 141.54 26.22 178.537 36.000
30 155.25 26.7 204.840 37.200

32 169.44 27.18 231.229 38.250
34 184.11 27.66 257.691 39.176

36 199.26 28.14 284.212 40.000
38 214.89 28.62 310.784 40.736

40 231 29.1 337.398 41.400
Medium spans

42 247.59 29.58 364.050 42.000
45 273.375 30.3 404.085 42.800

50 318.75 31.5 470.934 43.920
55 367.125 32.7 537.901 44.836

60 418.5 33.9 604.957 45.600
65 472.875 35.1 672.081 46.246

70 530.25 36.3 739.260 46.800
75 590.625 37.5 806.481 47.280
80 654 38.7 873.736 47.700

85 720.375 39.9 941.021 48.070
90 789.75 41.1 1008.330 48.400

95 862.125 42.3 1075.659 48.694
100 937.5 43.5 1143.005 48.960
105 1015.875 44.7 1210.365 49.200

110 1097.25 45.9 1277.738 49.418
115 1181.625 47.1 1345.122 49.617

120 1269 48.3 1412.516 49.800
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