A Prediction Method of Shallow Soil Landslide
A superficial, soil-quality technology, used in forecasting, alarms, data processing applications, etc., can solve the problems of poor disaster prevention applicability, complex early warning work, low early warning efficiency, etc. Efficient early warning effect
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Embodiment 1
[0059] see Figure 1-Figure 4 , a method for forecasting shallow surface soil landslides, comprising the following steps:
[0060] a. Measure shallow surface soil landslide slope α, landslide body area A, landslide upper side slope β, and landslide upper side area A Lu , The topographic undulation slope on the left side of the landslide body θ 1 , The terrain undulation slope on the right side of the landslide body θ 2 , Topographic area A on the left side of the landslide body L and the terrain area A on the right side of the landslide body R ;
[0061] b. Calculate the slope factor S according to formula 1, calculate the upward slowing factor U according to formula 2, and calculate the terrain factor C on both sides according to formula 3;
[0062] S=tan(α) (Formula 1)
[0063] U=tan(α-β)*(A Lu / A) (Formula 2)
[0064] C=tan(θ 1 )*(A L / A)+tan(θ 2 )*(A R / A) (Formula 3)
[0065] c. Calculate the topographic factor T of the shallow surface soil landslide accordin...
Embodiment 2
[0081] see Figure 1-Figure 4 , a method for forecasting shallow surface soil landslides, comprising the following steps:
[0082] a. Measure shallow surface soil landslide slope α, landslide body area A, landslide upper side slope β, and landslide upper side area A Lu , The topographic undulation slope on the left side of the landslide body θ 1 , The terrain undulation slope on the right side of the landslide body θ 2 , Topographic area A on the left side of the landslide body L and the terrain area A on the right side of the landslide body R ;
[0083] b. Calculate the slope factor S according to formula 1, calculate the upward slowing factor U according to formula 2, and calculate the terrain factor C on both sides according to formula 3;
[0084] S=tan(α) (Formula 1)
[0085] U=tan(α-β)*(A Lu / A) (Formula 2)
[0086] C=tan(θ 1 )*(A L / A)+tan(θ 2 )*(A R / A) (Formula 3)
[0087] c. Calculate the topographic factor T of the shallow surface soil landslide accordin...
Embodiment 3
[0104] see Figure 1-Figure 4 , a method for forecasting shallow surface soil landslides, comprising the following steps:
[0105] a. Measure shallow surface soil landslide slope α, landslide body area A, landslide upper side slope β, and landslide upper side area A Lu , The topographic undulation slope on the left side of the landslide body θ 1 , The terrain undulation slope on the right side of the landslide body θ 2 , Topographic area A on the left side of the landslide body L and the terrain area A on the right side of the landslide body R ;
[0106] b. Calculate the slope factor S according to formula 1, calculate the upward slowing factor U according to formula 2, and calculate the terrain factor C on both sides according to formula 3;
[0107] S=tan(α) (Formula 1)
[0108] U=tan(α-β)*(A Lu / A) (Formula 2)
[0109] C=tan(θ 1 )*(A L / A)+tan(θ 2 )*(A R / A) (Formula 3)
[0110] c. Calculate the topographic factor T of the shallow surface soil landslide accordin...
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