Table 6 Design flood calculation results using the instantaneous unit hydrograph Method.

From: Research on the disaster bearing characteristics system and capacity depth disaster response curves in urban underground three dimensional spaces

n、k parameters

Frequency(%)

Peak flood discharge (m³/s)

Time lag between rainfall and flood peak (h)

n = 3.5

k = 1.5

1

309.66

11

2

213.08

11

5

130.66

11

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