Fatigue Load Spectrum of Highway Bridge Vehicles in Plateau Mountainous Area Based on Wireless Sensing

Table 3

Weight distribution of various models of vehicles.

Vehicle model	Distribution pattern	Weight			Distribution parameter I			Distribution parameter II
Type 1	Lognormal				μ:1.56			σ:0.80
Type 2	Triple-normal	π1: 0.50	π2: 0.46	π3: 0.04	µ1: 14.14	µ2: 24.78	µ3: 68.85	σ1: 6.09	σ2: 18.17	σ3: 10.73
Type 3	Triple-normal	π1: 0.49	π2: 0.46	π3: 0.05	µ1: 16.61	µ2: 38.22	µ3: 74.88	σ1: 5.82	σ2: 15.98	σ3: 4.27
Type 4	Triple-normal	π1: 0.32	π2: 0.39	π3: 0.29	µ1: 16.63	µ2: 39.05	µ3: 47.69	σ1: 4.54	σ2: 7.74	σ3: 34.79
Type 5	Triple-normal	π1: 0.22	π2: 0.31	π3: 0.47	µ1: 17.88	µ2: 39.3	µ3: 51.47	σ1: 3.83	σ2: 10.39	σ3: 14.05