Coupled Dynamics of Vehicle-Bridge Interaction System Using High Efficiency Method

Table 5

Recommended DLC based on technical specifications from different countries.

Code	Specifications for considering dynamic effect	DLC
ASSHTO [103]	0.75 for deck joints, 0.15 for fatigue and fracture limit state, and 0.33 for all other limit states, for all other components except joints	1.33
Chinese code [85]		1.22
Australian standard [104]	Recommends a factor of 0.4 based on static wheel and axle load	1.4
Switzerland standard [105]	A factor of 0.8 is adopted for a bridge with a fundamental frequency between 2 and 4 Hz and 0.4 for frequency above 5 Hz	1.8
EN 1991-2 [106]	For carefully maintained track for a track with standard maintenance is determinant length depending on the structural element type	1.14 (standard maintenance