Ramp turn superelevation calculation method for viscose debris flow, and application
A calculation method and mud-rock flow technology, which is applied in water conservancy projects, water conservancy engineering equipment, buildings, etc., can solve the problems of inaccurate superhigh value of curves and affect the effect of mud-rock flow prevention and control, so as to improve the applicability of disaster prevention, prevent casualties and Property damage, effects of high disaster prevention applicability
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Embodiment 1
[0029] A method for calculating the superelevation of a viscous debris flow bend, comprising the following steps:
[0030] a. Obtain the average flow velocity V of the debris flow in previous years in the place where the debris flow occurred 0 , unit m / s;
[0031] b. Obtain the width B of the debris flow bend in the place where the debris flow occurred in previous years 0 , unit m;
[0032] c. Obtain the superhigh value ΔH of the debris flow curve in the place where the debris flow occurred in previous years 0 , unit m;
[0033] d. Calculate the coefficient of determination c according to formula 1, unit (s / m) 1.6 ;
[0034]
[0035] e. On-site measurement to obtain the average flow velocity V of the debris flow, in m / s, and the width of the debris flow curve B, in m; substituting the coefficient c obtained in step d into formula 2 to determine the superelevation value ΔH of the debris flow curve, in m;
[0036] ΔH=cBV 1.6 (Formula 2).
[0037] By obtaining the ave...
Embodiment 2
[0039] A method for calculating the superelevation of a viscous debris flow bend, comprising the following steps:
[0040] a. Obtain the average flow velocity V of the debris flow in previous years in the place where the debris flow occurred 0 , unit m / s;
[0041] b. Obtain the width B of the debris flow bend in the place where the debris flow occurred in previous years 0 , unit m;
[0042] c. Obtain the superhigh value ΔH of the debris flow curve in the place where the debris flow occurred in previous years 0 , unit m;
[0043] d. Calculate the coefficient of determination c according to formula 1, unit (s / m) 1.6 ;
[0044]
[0045] e. On-site measurement to obtain the average flow velocity V of the debris flow, in m / s, and the width of the debris flow curve B, in m; substituting the coefficient c obtained in step d into formula 2 to determine the superelevation value ΔH of the debris flow curve, in m;
[0046] ΔH=cBV 1.6 (Formula 2).
[0047] The invention is suita...
Embodiment 3
[0050] A method for calculating the superelevation of a viscous debris flow bend, comprising the following steps:
[0051] a. Obtain the average flow velocity V of the debris flow in previous years in the place where the debris flow occurred 0 , unit m / s;
[0052] b. Obtain the width B of the debris flow bend in the place where the debris flow occurred in previous years 0 , unit m;
[0053] c. Obtain the superhigh value ΔH of the debris flow curve in the place where the debris flow occurred in previous years 0 , unit m;
[0054] d. Calculate the coefficient of determination c according to formula 1, unit (s / m) 1.6 ;
[0055]
[0056] e. On-site measurement to obtain the average flow velocity V of the debris flow, in m / s, and the width of the debris flow curve B, in m; substituting the coefficient c obtained in step d into formula 2 to determine the superelevation value ΔH of the debris flow curve, in m;
[0057] ΔH=cBV 1.6 (Formula 2).
[0058] The present inventio...
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