Research on Energy-Saving Design of Overhead Travelling Crane Camber Based on Probability Load Distribution

Table 2

Hanging heavy load spectrum of standard recommended by GB/T 3811[10].

Load status levels	Nominal load spectrum coefficient, 𝐾𝑝	𝑀𝑄	𝜎𝑄	Load spectrum coefficient
𝑄1	𝐾𝑝 ≤ 0.125	0.458	0.146	0.125
𝑄2	0.125 < 𝐾𝑝 ≤ 0.250	0.609	0.112	0.250
𝑄3	0.250 < 𝐾𝑝 ≤ 0.500	0.788	0.069	0.500
𝑄4	0.500 < 𝐾𝑝 ≤ 1.000	0.900	0.04	0.9