Simulation-Based Optimization for Yard Design at Mega Container Terminal under Uncertainty

Table 1

Input data of the proposed optimization framework for this container terminal.

Items	Unit	Data input
() Simulation time	Hour	30 × 24
() Uncertain throughput
(i) Random vector with associated probability, ,		See Figure 5
() Yard handling technology
(i) Maximum span width of yard crane	Meter	23.47
(ii) Block width,	Meter	16.63
(iii) Width of transfer lane and driving lane, ,	Meter	20
(iv) Space required for a TEU,	Square meter	17.63
() Yard operational parameters
(i) Monthly operational days,	Day	30
(ii) Capacity utilization,		0.7
(iii) Average cluration of containers,	Day	5.5
(iv) Maximum stacking tiers		5
(v) Travel time of yard crane per meter,	Second/meter	0.45
(vi) Cycle time required for handling a container,	Second	77.1
(vii) Average relocation time,	Second	74.2
(viii) Travel time of trucks per meter, ,	Second/meter	0.18
() Cost coefficients
(i) Capital cost for yard space,	CNY/square meter/month	8.33
(ii) Capital cost for yard crane,	MCNY/month	0.042
(iii) Variable cost for yard crane,	CNY/second	0.053
(iv) Variable cost for truck, ,	CNY/second	0.023
() Investment budgets
(i) Options,	MCNY	5, 5.5, 6, 6.5, 7, 7.5