Table 2 Table of design rainstorm parameters in Tongzhou district, Beijing.

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

Parameter

1 h

6 h

24 h

Cs/Cv

3.5

3.5

3.5

Cvt

0.5

0.6

0.69

H/mm

42.5

74

106.72

Return period

20-year

50-year

100-year

20-year

50-year

100-year

20-year

50-year

100-year

Kp

1.99

2.42

2.74

2.2

2.76

3.2

2.39

3.09

3.63

n

—

—

—

0.94

0.93

0.91

0.94

0.92

0.91

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