Storage Space Allocation of Inbound Container in Railway Container Terminal

Table 5

Comparison between OA and RAA in 7 days.

Planning period	Our approach (OA)		Random allocation algorithm (RAA)		GAP1	GAP2
	Imbalance amounts	Overlapping amounts	Imbalance amounts	Overlapping amounts
1	3	2	7	9	57.1%	77.8%
2	7	8	11	14	36.4%	42.9%
3	11	14	18	21	38.9%	33.3%
4	8	10	13	17	38.5%	41.2%
5	2	1	5	4	60.0%	75.0%
6	13	11	17	25	23.5%	56.0%
7	16	13	22	19	27.3%	31.6%
8	11	8	14	11	21.4%	27.3%
9	0	0	0	0	0.0%	0.0%
10	3	3	5	11	40.0%	72.7%
11	15	9	19	17	21.1%	47.1%
12	13	7	15	15	13.3%	53.3%
13	5	0	11	3	54.5%	100.0%
14	9	3	17	11	47.1%	72.7%
15	13	15	24	27	45.8%	44.4%
16	7	11	19	24	63.2%	54.2%
17	3	0	9	4	66.7%	100.0%
18	4	6	8	11	50.0%	45.5%
19	11	14	15	19	26.7%	26.3%
20	9	7	21	19	57.1%	63.2%
21	1	0	3	2	66.7%	100.0%
22	6	5	13	13	53.8%	61.5%
23	19	17	27	26	29.6%	34.6%
24	9	4	13	16	30.8%	75.0%
25	0	0	0	0	0.0%	0.0%
26	11	5	19	9	42.1%	44.4%
27	18	10	22	23	18.2%	56.5%
28	12	7	18	15	33.3%	53.3%

Notes: GAP₁ = (imbalance amounts obtained from RAA − imbalance amounts obtained from OA) * 100/imbalance amounts obtained from RAA.
GAP₂ = (overlapping amounts obtained from RAA − overlapping amounts obtained from OA) * 100/overlapping amounts obtained from RAA.