Research Article

Application of Hierarchical Facility Location-Routing Problem with Optimization of an Underground Logistic System: A Case Study in China

Table 2

Underground pipeline related expenses.

4.11 thousand RMB/each node/day
2.74 thousand RMB/each node/day
10.96 thousand RMB/kilometer
1 RMB/ton/kilometer
2 RMB/ton/kilometer
1 RMB/ton/time
10 ton
4000 ton
3000 ton
3 kilometers