Method for calculating flow of mudslide behind dam and application thereof
A flow calculation and debris flow technology, applied in computing, special data processing applications, climate change adaptation, etc., can solve problems affecting the effect of disaster prevention and mitigation in debris flow areas, enhance flood discharge and disaster prevention capabilities, ensure disaster prevention and mitigation effects, The effect of saving engineering materials
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Embodiment 1
[0033] A flow calculation method for debris flow behind a retaining dam, comprising the following steps:
[0034] a. The total amount of debris flow W to be obtained by hydrological calculation, unit m 3 and the upcoming debris flow peak flow Q B , unit m 3 / s, on-site survey to determine the storage capacity C of the retaining dam, unit m 3 , Debris flow yield stress τ, unit Pa, debris flow bulk density ρ, unit kg / m 3 and the characteristic particle size D of debris flow 90 , unit m;
[0035] b. According to the total amount W of the upcoming debris flow and the peak flow Q of the upcoming debris flow B , the storage capacity C of the retaining dam, the yield stress τ of the debris flow, the bulk density ρ of the debris flow and the characteristic particle size D of the debris flow 90 and the dimensionless yield stress factor τ * , for the flow Q behind the debris flow retaining dam A Calculation.
[0036] "a. The total amount W of the upcoming debris flow and the pe...
Embodiment 2
[0038] A flow calculation method for debris flow behind a retaining dam, comprising the following steps:
[0039] a. The total amount of debris flow W to be obtained by hydrological calculation, unit m 3 and the upcoming debris flow peak flow Q B , unit m 3 / s, on-site survey to determine the storage capacity C of the retaining dam, unit m 3 , Debris flow yield stress τ, unit Pa, debris flow bulk density ρ, unit kg / m 3 and the characteristic particle size D of debris flow 90 , unit m;
[0040] b. According to the total amount W of the upcoming debris flow and the peak flow Q of the upcoming debris flow B , the storage capacity C of the retaining dam, the yield stress τ of the debris flow, the bulk density ρ of the debris flow and the characteristic particle size D of the debris flow 90 and the dimensionless yield stress factor τ * , for the flow Q behind the debris flow retaining dam A Calculation.
[0041] In the step a, the total amount of upcoming debris flow refer...
Embodiment 3
[0049] A flow calculation method for debris flow behind a retaining dam, comprising the following steps:
[0050] a. The total amount of debris flow W to be obtained by hydrological calculation, unit m 3 and the upcoming debris flow peak flow Q B , unit m 3 / s, on-site survey to determine the storage capacity C of the retaining dam, unit m 3 , Debris flow yield stress τ, unit Pa, debris flow bulk density ρ, unit kg / m 3 and the characteristic particle size D of debris flow 90 , unit m;
[0051] b. According to the total amount W of the upcoming debris flow and the peak flow Q of the upcoming debris flow B , the storage capacity C of the retaining dam, the yield stress τ of the debris flow, the bulk density ρ of the debris flow and the characteristic particle size D of the debris flow 90 and the dimensionless yield stress factor τ * , for the flow Q behind the debris flow retaining dam A Calculation.
[0052] In the step a, the total amount of upcoming debris flow refer...
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