Hydraulic Simulation of Leakage in Post-Earthquake Water Supply Pipeline Network and Its Algorithm Improvement

Table 3

Evaluation results of water supply rate of water supply network using different pipes.

Intensity	Liquefaction	Material	Samples number	mean	standard deviation	Risk value
VII	No	Cast iron pipe	6628	0.985	0.059	0.015
VIII	No	Cast iron pipe	5548	0.961	0.111	0.039
IX	intermediate	Cast iron pipe	5597	0.806	0.094	0.194
X	Severity	Cast iron pipe	6483	0.296	0.086	0.704
IX	intermediate	Steel pipe	5314	0.907	0.092	0.093