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Table 2 Breach parameters

From: Dam breach analysis of Kibimba Dam in Uganda using HEC-RAS and HEC-GeoRAS

Breach parameter

Overtopping failure

Piping failure

Froehlich 1995

Froehlich 2008

MLM 1984

Froehlich 1995

Froehlich 2008

MLM 1984

Breach bottom width (m)

60.20

69.40

209.00

43.44

53.68

438.74

Breach side Slope (H: V)

1.40

1.00

0.50

0.90

0.70

0.50

Breach formation time (hrs.)

4.23

4.89

0.56

4.22

4.89

0.56

Peak discharge (m3/s)

506.69

-

1935.41

506.69

-

1935.41

  1. MLM MacDonald and Langridge-Monopolis