Optimal Design of Water Supply Network Based on Adaptive Penalty Function and Improved Genetic Algorithm

Table 1

Price of ductile iron pipe.

Pipe diameter (mm)	Unit price (yuan•m^−1)	Pipe diameter (mm)	Unit price (yuan•m^−1)
200	264	450	658
250	378	500	735
300	454	600	887
350	515	700	1028
400	592	800	1176