Valley debris flow rainfall threshold calculation method

The invention relates to the technical field of debris flow prevention and control engineering, and particularly discloses a valley type debris flow rainfall threshold calculation method, which comprises the following steps: S1, calculating rainfall intensity in different rainfall recurrence periods...

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Bibliographic Details
Main Authors WEI ZHENLEI, ZHANG ZONGSHUO, LI CHAOYI, YANG JIE, FAN XUANMEI
Format Patent
LanguageChinese
English
Published 13.10.2023
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention relates to the technical field of debris flow prevention and control engineering, and particularly discloses a valley type debris flow rainfall threshold calculation method, which comprises the following steps: S1, calculating rainfall intensity in different rainfall recurrence periods; s2, taking rainfall intensity of different rainfall recurrence periods as input, and calculating to obtain a runoff hydrograph under rainfall conditions of different recurrence periods; s3, taking the runoff hydrograph as input, calculating to obtain hydrodynamic conditions of different calculation units, and calculating to obtain hydrodynamic intensities of the different calculation units; s4, calculating to obtain the critical hydrodynamic strength required for starting the valley-type debris flow; s5, comparing the hydrodynamic strength of different calculation units in the debris flow formation area with the critical hydrodynamic strength of starting of the valley-type debris flow, and judging the stability o
Bibliography:Application Number: CN202310824032