Research on Green Transport Mode of Chinese Bulk Cargo Based on Fourth-Party Logistics

Table 2

Parameter of the small bulk cargo transport network.

Parameter description	Parameter	Value	Parameter description	Parameter	Value
Transport capacity of each vehicle	Qk	1000 t	Number of vehicles in each freight enterprise	K	3
Transport capacity of freight enterprise 1	G1	1800 t	Cargo required by consignee 1	S1	800 t
Transport capacity of freight enterprise 2	G2	1900 t	Cargo required by consignee 2	S2	1000 t
Freight volume from shipper 1	D1	3000 t	Freight volume from shipper 2	D2	2850 t
Maximum load of road freight enterprise	W1	2000 t	Rail handing capacity of freight enterprise 1	W^’1	2500t
Maximum load of rail freight enterprise	W2	2100 t	Rail handing capacity of freight enterprise 2	W^’2	2600t
Information transaction cost of traditional transportation network	CI	3000 yuan	Opening cost of fourth-party logistics service	H	30000 yuan
Unit road transport costs of enterprises	cijkn	165.93 yuan/t × km	Unit rail transport costs of enterprises	c^’ijkn	110.62 yuan/t × km