Lateral Load Distribution for Hollow Slab Bridge: Field Test Investigation

International Journal of Concrete Structures and Materials

Table 3 Distribution factors for different number of lanes.

Number of lanes	Calculation method	DF_EXT	DF_INT
One lane	AASHTO LRFD	0.230	0.202
	MIDAS	0.155	0.171
	ANSYS	0.155	0.175
Two lanes	AASHTO LRFD	0.265	0.255
	MIDAS	0.183	0.231
	ANSYS	0.180	0.233
Three lanes	AASHTO LRFD	0.265	0.255
	MIDAS	0.193	0.252
	ANSYS	0.190	0.252

DF_EXT distribution factor of exterior girder; DF_INT distribution factor of interior girder.