Optimization of Gantry Crane Scheduling in Container Sea-Rail Intermodal Transport Yard

Table 6

Final scheduling scheme.

Gantry; crane	Initial; block	1st; block	1st; task	2nd; block	2nd; task	3rd; block	3rd; task	4th; block	4th; task
	1	1	30()	1	40()	1	40()	1	45()
	2	2	30()	2	40()	2	40()	2	45()
	3	3	30()	3	40()	3	40()	7	45()
	8	4	30()	8	40()	4	40()	8	45()
	9	9	60()	5	45()	—	—	—	—
	10	6	40()	6	45()	—	—	—	—
	15	15	60()	15	60()	11	45()	—	—
	16	16	60()	16	60()	16	60()	—	—