Calculation method and device for slope starting speed influenced by multiple factors, equipment and medium

Abstract

The invention provides a method, a device, equipment and a medium for calculating slope starting speed influenced by multiple factors, and relates to the technical field of slope starting speed, and the method comprises the following steps: obtaining earthquake stress increment, pore water pressure coefficient, resultant force generated by sliding force and gravity, gradient and length of a locking section; calculating according to the earthquake stress increment and the pore water pressure coefficient to obtain pore water pressure increment under the action of earthquake and rainfall; calculating according to the pore water pressure increment and gradient under the action of earthquake and rainfall to obtain a stability coefficient; calculating according to the resultant force generated by the sliding force and the gravity and the stability coefficient to obtain the critical acceleration under the action of the gravity and the underground water; and calculating according to the critical acceleration under the action of gravity and underground water and the length of the locking section to obtain the starting speed of the sliding body. According to the method, the problem that instability damage of the high and steep slope caused by simultaneous occurrence of multiple conditions cannot be solved is solved, and traffic facilities and personal safety along the way are guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of slope starting speed, and in particular to a calculation method, device, equipment and medium for calculating the slope starting speed influenced by multiple factors. Background Art

[0002] Existing technologies typically derive and design solutions for slope initiation velocity based solely on rainfall or earthquakes. Existing technologies fail to account for multiple, complex scenarios, making it difficult to address the simultaneous occurrence of multiple scenarios, leading to high and steep slope instability and damage, significantly impacting transportation facilities and personal safety along the way. Therefore, a method, device, equipment, and medium for calculating slope initiation velocity that accounts for multiple factors is urgently needed. This approach addresses the unresolved issue of multiple simultaneous scenarios causing high and steep slope instability and damage, ensuring the safety of transportation facilities and personnel along the way. Summary of the Invention

[0003] The purpose of the present invention is to provide a method, device, equipment and medium for calculating the multi-factor influence on the slope starting speed, so as to improve the above-mentioned problem. To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows:

[0004] First, this application provides a method for calculating the slope start-up speed based on multiple factors, including:

[0005] Obtain seismic stress increment, pore water pressure coefficient, resultant force of sliding force and gravity, slope and length of locked section;

[0006] Calculating based on the seismic stress increment and the pore water pressure coefficient to obtain the pore water pressure increment under the action of earthquake and rainfall;

[0007] Calculating the stability coefficient based on the pore water pressure increment under the earthquake and rainfall and the slope;

[0008] Calculating the resultant force generated by the sliding force and gravity and the stability coefficient to obtain the critical acceleration under the action of gravity and groundwater;

[0009] The starting speed of the sliding body is obtained by calculation based on the critical acceleration under the action of gravity and groundwater and the length of the locking section.

[0010] In a second aspect, the present application also provides a device for influencing the slope starting speed by multiple factors, including:

[0011] Acquisition module, used to obtain seismic stress increment, pore water pressure coefficient, the resultant force generated by sliding force and gravity, slope and length of the locking section;

[0012] A first calculation module is used to calculate the pore water pressure increment under the action of earthquake and rainfall according to the earthquake stress increment and the pore water pressure coefficient;

[0013] A second calculation module is used to calculate the stability coefficient based on the pore water pressure increment under the action of the earthquake and rainfall and the slope;

[0014] a third calculation module, configured to calculate, based on the resultant force generated by the sliding force and gravity and the stability coefficient, a critical acceleration under the action of gravity and groundwater;

[0015] The fourth calculation module is used to calculate the starting speed of the sliding body according to the critical acceleration under the action of gravity and groundwater and the length of the locking section.

[0016] Thirdly, the present application also provides a device for determining the impact of multiple factors on slope start-up speed, including:

[0017] memory for storing computer programs;

[0018] A processor is used to implement the steps of the method for calculating the influence of multiple factors on the starting speed of a slope when executing the computer program.

[0019] In a fourth aspect, the present application further provides a readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the above-mentioned calculation method based on multiple factors affecting the starting speed of a slope.

[0020] The beneficial effects of the present invention are:

[0021] The present invention calculates the pore water pressure increment under the action of earthquake and rainfall by calculating the seismic stress increment and the pore water pressure coefficient. This part derives the pressure increment that occurs simultaneously in multiple situations such as rainfall and earthquake. The stability coefficient is obtained by calculating the pore water pressure increment under the action of earthquake and rainfall and the slope. This part derives the stability coefficient of the landslide. The critical acceleration under the action of gravity and groundwater is derived through information such as the stability coefficient, seismic stress increment, pore water pressure coefficient, and slope. The starting speed of the sliding body can be calculated through known information, which solves the problem that the instability and destruction of high and steep slopes caused by the simultaneous occurrence of multiple situations cannot be solved, and ensures the traffic facilities and personal safety along the way.

[0022] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the embodiments of the present invention. The purposes and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 Schematic diagram of the flow of the calculation method of the slope starting speed affected by multiple factors according to an embodiment of the present invention;

[0025] Figure 2 Schematic diagram of the structure of the device for influencing the starting speed of a slope by multiple factors according to an embodiment of the present invention;

[0026] Figure 3 Schematic diagram of the equipment structure in which multiple factors affect the slope starting speed as described in an embodiment of the present invention.

[0027] Markings in the figure: 1. Acquisition module; 2. First calculation module; 3. Second calculation module; 4. Third calculation module; 5. Fourth calculation module; 800. Equipment for multi-factors affecting slope starting speed; 801. Processor; 802. Memory; 803. Multimedia component; 804. I / O interface; 805. Communication component. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of the present invention, the terms "first", "second", etc. are used only to distinguish the description and should not be understood as indicating or implying relative importance.

[0030] Example 1:

[0031] This embodiment provides a method for calculating the slope starting speed due to multiple factors affecting it.

[0032] See also Figure 1 , the figure shows that the method includes steps S1 to S5, including:

[0033] S1: Obtain the seismic stress increment, pore water pressure coefficient, the resultant force of sliding force and gravity, the slope and the length of the locking section;

[0034] In order to clarify the specific method of obtaining the seismic stress increment, pore water pressure coefficient, and the resultant force generated by sliding force and gravity, step S1 includes S11 to S14, which are specifically:

[0035] S11: Obtain the slope height, groundwater level height within the slope, unit weight of saturated soil, natural density of soil, Poisson's ratio of soil, volume compression coefficient of pore fluid and soil, groundwater level coefficient, porosity and shear coefficient of soil;

[0036] S12: Calculating according to the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the slope, and the slope height to obtain a seismic stress increment;

[0037] To clarify the specific calculation of the earthquake stress increment, step S12 includes S121 to S125, specifically:

[0038] S121: Obtain the water density and local seismic fortification coefficient;

[0039] S122: Calculating based on the gravity of the water and the unit weight of the saturated soil to obtain the effective gravity of the soil;

[0040] In this step, the calculation formula for the effective weight of the soil is:

[0041] γ′=γ sat -γ w (1)

[0042] In the above formula (1), γ w Indicates the weight of water, γ sat Indicates the unit weight of saturated soil.

[0043] S123: Calculating the normal stress generated by gravity based on the groundwater level coefficient, the natural density of the soil, the effective density of the soil, the slope height, and the slope;

[0044] In this step, the normal stress calculation formula generated by gravity is:

[0045] σ=[(1-k)γ+kγ′]H cosθ(2)

[0046] In the above formula (2), k represents the groundwater level coefficient, γ represents the natural density of the soil, γ′ represents the effective density of the soil, H represents the slope height, and θ represents the slope.

[0047] S124: Calculating the shear stress generated by gravity based on the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the slope height, and the slope;

[0048] In this step, the shear stress calculation formula generated by gravity is:

[0049] τ=[(1-k)γ+kγ sat ]Hsinθ(3)

[0050] In the above formula (3), k represents the groundwater level coefficient, γ represents the natural density of soil, and γ sat represents the unit weight of saturated soil, H represents the height of the slope, and θ represents the slope.

[0051] S125: Calculate based on the normal stress generated by gravity, the shear stress generated by gravity, the Poisson's ratio of the soil and the local seismic fortification seismic coefficient to obtain the seismic stress increment.

[0052] The local seismic fortification coefficients are the horizontal seismic acceleration coefficient and the vertical seismic acceleration coefficient.

[0053] The earthquake stress increment calculation is composed of the first earthquake stress increment calculation, the second earthquake stress increment calculation and the third earthquake stress increment calculation.

[0054] In this step, the first earthquake stress increment calculation formula is:

[0055] Δσ1=jσ (4)

[0056] In the above formula (4), j represents the horizontal earthquake acceleration coefficient, and σ represents the normal stress generated by gravity.

[0057] In this step, the second earthquake stress increment calculation formula is:

[0058] Δσ2=rτ (5)

[0059] In the above formula (5), r represents the vertical seismic acceleration coefficient, and τ represents the shear stress generated by gravity.

[0060] In this step, the third earthquake stress increment calculation formula is:

[0061] Δσ3=υ(Δσ1+Δσ2) (6)

[0062] In the above formula (6), υ represents the Poisson's ratio of the soil, Δσ1 represents the first earthquake stress increment, and Δσ2 represents the second earthquake stress increment.

[0063] S13: Calculating according to the shear shrinkage coefficient, the volume compressibility coefficient of the pore fluid and soil, and the porosity of the soil to obtain a pore water pressure coefficient;

[0064] To clarify the specific calculation of the pore water pressure coefficient, step S13 includes S131 to S133, specifically:

[0065] S131: Calculating according to the shear shrinkage coefficient, the volume compressibility coefficient of the pore fluid and soil, and the porosity of the soil to obtain a pore water pressure coefficient during shear deformation;

[0066] The volume compressibility coefficient of the pore fluid and soil is divided into a first volume compressibility coefficient of the pore fluid and soil and a second volume compressibility coefficient of the pore fluid and soil.

[0067] In this step, the calculation formula of the pore water pressure coefficient during shear deformation is:

[0068]

[0069] In the above formula (7), C q represents the shear coefficient, C v represents the volume compression coefficient of the first pore fluid and soil, C represents the volume compression coefficient of the second pore fluid and soil, and n represents the porosity of the soil.

[0070] S132: Calculating based on the volume compressibility coefficients of the pore fluid and soil and the porosity of the soil to obtain a pore water pressure coefficient at a positive pressure increment;

[0071] In this step, the pore water pressure coefficient calculation formula at the positive pressure increment is:

[0072]

[0073] In the above formula (8), C v represents the volume compression coefficient of the first pore fluid and soil, C represents the volume compression coefficient of the second pore fluid and soil, and n represents the porosity of the soil.

[0074] S133: The pore water pressure coefficient during shear deformation and the pore water pressure coefficient during positive pressure increment are combined to form a pore water pressure coefficient.

[0075] The pore water pressure coefficient is formed by combining the pore water pressure coefficient during shear deformation and the pore water pressure coefficient during shear deformation.

[0076] S14: Calculate the resultant force of the sliding force and the gravity based on the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the area of ​​the preset bottom surface of the landslide body, and the groundwater level height in the slope body.

[0077] In this step, the formula for calculating the resultant force generated by the sliding force and gravity is:

[0078]

[0079] In the above formula (9), k represents the groundwater level coefficient, γ represents the natural density of soil, and γ sat represents the unit weight of saturated soil, A represents the area of ​​the preset bottom surface of the landslide body, h represents the height of the groundwater level in the slope body, and g represents gravity.

[0080] The above formula (9) is obtained by converting formula (10).

[0081] mg=[(1-k)γ+kγ sat ]Ah(10)

[0082] S2: Calculating based on the seismic stress increment and the pore water pressure coefficient to obtain the pore water pressure increment under the action of earthquake and rainfall;

[0083] In this step, the calculation formula for the pore water pressure increment under the action of earthquake and rainfall is:

[0084]

[0085] In the above formula (11), Δσ1 represents the first earthquake stress increment, Δσ2 represents the second earthquake stress increment, Δσ3 represents the third earthquake stress increment, α represents the pore water pressure coefficient during shear deformation, and β represents the pore water pressure coefficient during positive pressure increment.

[0086] S3: Calculating the stability coefficient based on the pore water pressure increment under the earthquake and rainfall and the slope;

[0087] To clarify the specific calculation of the stability coefficient, step S3 includes S31 to S34, specifically:

[0088] S31: Obtaining the cohesion of the first slope in its natural and saturated states, the cohesion of the second slope in its natural and saturated states, the internal friction angle of the first slope in its natural and saturated states, and the internal friction angle of the second slope in its natural and saturated states;

[0089] S32: Calculating the anti-slip force based on the cohesion of the first slope in its natural and saturated states, the cohesion of the second slope in its natural and saturated states, the internal friction angle of the first slope in its natural and saturated states, and the internal friction angle of the second slope in its natural and saturated states;

[0090] To clarify the specific calculation of the anti-slip force, step S32 includes S321 to S322, specifically:

[0091] S221: Calculating according to the groundwater level coefficient, the water density, the slope height, and the slope to obtain pore water pressure;

[0092] In this step, the pore water pressure calculation formula is:

[0093] u=kγ w H cosθ(12)

[0094] In the above formula (12), k represents the groundwater level coefficient, γ w represents the density of water, H represents the height of the slope, and θ represents the slope.

[0095] S222: Calculating based on the groundwater level coefficient, the cohesion of the first slope in its natural and saturated states, the cohesion of the second slope in its natural and saturated states, the internal friction angle of the first slope in its natural and saturated states, and the internal friction angle of the second slope in its natural and saturated states to obtain the mean cohesion of the slope and the mean internal friction angle of the slope;

[0096] In this step, the calculation formula for the mean cohesion of the slope is:

[0097] c m =(1-k)c+kc sat (13)

[0098] In the above formula (13), k represents the groundwater level coefficient, c represents the cohesion of the first slope under natural and saturated conditions, and c sat It represents the cohesion of the second slope in its natural and saturated state.

[0099] In this step, the calculation formula for the mean internal friction angle of the slope is:

[0100]

[0101] In the above formula (14), k represents the groundwater level coefficient, represents the internal friction angle of the first slope under natural and saturated conditions, It represents the internal friction angle of the second slope in natural and saturated state.

[0102] S223: Calculate the anti-sliding force based on the average cohesion of the slope, the average internal friction angle of the slope, the normal stress generated by gravity, the pore water pressure, and the pore water pressure increment.

[0103] In this step, the anti-slip force calculation formula is:

[0104]

[0105] In the above formula (15), c m represents the mean cohesion of the slope, σ represents the normal stress generated by gravity, u represents the pore water pressure, and Δu represents the pore water pressure increment under the action of earthquake and rainfall. Represents the mean internal friction angle of the slope.

[0106] S33: Calculating based on the local seismic fortification coefficient and the slope to obtain a sliding force;

[0107] To clarify the specific calculation of the sliding force, step S33 includes S331 to S332, specifically:

[0108] S331: Calculating based on the natural weight of the soil and the height of the groundwater level in the slope to obtain the gravity generated by the soil weight and the groundwater level in the slope;

[0109] In this step, the gravity calculation formula generated by the soil weight and the groundwater level in the slope is:

[0110] W=γh (16)

[0111] In the above formula (16), γ represents the natural density of soil, and h represents the height of groundwater level in the slope.

[0112] S332: Calculate the sliding force based on the weight of the soil and the gravity generated by the groundwater level in the slope, the local seismic fortification coefficient and the slope.

[0113] In this step, the sliding force calculation formula is:

[0114] L=W sinθ+jW cosθ (17)

[0115] In the above formula (17), W represents the gravity generated by the weight of the soil and the groundwater level in the slope, θ represents the slope, and j represents the local seismic fortification coefficient.

[0116] S34: Calculate according to the anti-slip force and the sliding force to obtain a stability coefficient.

[0117] In this step, the stability coefficient calculation formula is:

[0118]

[0119] In the above formula (18), R represents the anti-slip force, and L represents the sliding force.

[0120] S4: Calculating the critical acceleration under the action of gravity and groundwater based on the resultant force generated by the sliding force and gravity and the stability coefficient;

[0121] To clarify the specific calculation of the critical acceleration under the action of gravity and groundwater, step S4 includes S41 to S44, specifically:

[0122] S41: Calculating the resultant force generated by the sliding force and gravity and a preset critical state to obtain a resultant force value generated by the sliding force and gravity in the critical state;

[0123] The resultant force of the downward force and gravity in the critical state is ma′.

[0124] S42: Calculating based on the anti-sliding force and the preset area of ​​the bottom surface of the landslide body to obtain the force generated by the anti-sliding force on the bottom surface of the landslide body;

[0125] The anti-sliding force exerted on the bottom surface of the landslide body is RA.

[0126] S43: When the stability coefficient is 1, the resultant force generated by the sliding force and gravity in the critical state is equal to the force generated by the anti-sliding force on the bottom surface of the landslide body;

[0127] In this step, the formula for calculating the resultant force generated by the critical state sliding force and gravity and the force generated by the anti-sliding force on the bottom surface of the landslide body is:

[0128] ma′=RA(19)

[0129] In the above formula (19), m represents the resultant force of sliding force and gravity, a′ represents the preset critical state, R represents the anti-sliding force, and A represents the preset area of ​​the bottom surface of the landslide body.

[0130] S44: A formula is converted according to the resultant force generated by the sliding force and gravity in the critical state and the force generated by the anti-sliding force on the bottom surface of the landslide body to obtain the critical acceleration under the action of gravity and groundwater.

[0131] In this step, the critical acceleration conversion formula under the action of gravity and groundwater is:

[0132]

[0133] In the above formula (20), c mrepresents the mean cohesion of the slope, σ represents the normal stress generated by gravity, u represents the pore water pressure, and Δu represents the pore water pressure increment under the action of earthquake and rainfall. represents the mean internal friction angle of the slope, k represents the groundwater level coefficient, γ represents the natural density of the soil, and γ sat represents the unit weight of saturated soil, and h represents the height of the groundwater level in the slope.

[0134] S5: Calculate the starting speed of the sliding body based on the critical acceleration under the action of gravity and groundwater and the length of the locking section.

[0135] To clarify the specific calculation of the starting speed of the slider, step S5 includes S51 to S55, specifically:

[0136] S51: Get pi;

[0137] S52: Calculating the wave oscillation energy under the action of the earthquake and rainfall based on the critical acceleration under the action of gravity and groundwater, the local seismic fortification seismic coefficient, and pi;

[0138] To clarify the specific calculation of the shelf number data set, step S52 includes S521, which specifically includes:

[0139] S521: Calculate the wave oscillation energy under the action of earthquake and rainfall based on the critical acceleration under the action of gravity and groundwater, the preset earthquake peak acceleration, the preset vibration circular frequency, the pi, the pore water pressure coefficient and the local seismic fortification earthquake coefficient.

[0140] In this step, the formula for calculating the wave oscillation energy under the action of earthquake and rainfall is:

[0141]

[0142] In the above formula (21), a max represents the preset peak earthquake acceleration, ω represents the preset circular vibration frequency, a′ represents the critical acceleration under the action of gravity and groundwater, π represents the pi, α represents the pore water pressure coefficient during shear deformation, and r represents the local seismic fortification earthquake coefficient.

[0143] S53: Calculating according to the Poisson's ratio, the pi, and the porosity of the soil to obtain the peak residual strength reduction sliding mass kinetic energy;

[0144] In order to clarify the specific calculation of the peak residual strength reduction sliding body kinetic energy, step S53 includes S531 to S532, specifically:

[0145] S531: Obtain the elastic modulus, actual shear strength and peak shear strength of the fracture zone;

[0146] S532: Calculate the peak residual strength reduction sliding body kinetic energy based on the Poisson's ratio, the elastic modulus of the fault zone, the circumference, the peak shear strength of the fault zone, the actual shear strength of the fault zone, the length of the locking section, and the porosity of the soil.

[0147] In this step, the peak residual strength reduction sliding body kinetic energy calculation formula is:

[0148]

[0149] In the above formula (22), E represents the elastic modulus of the fracture zone, π is the circumference of the circle, F represents the known force, l1 represents the length of the locking section, τ p represents the peak shear strength of the fracture zone, τ f represents the actual shear strength of the fault zone, ν represents the Poisson's ratio, and n represents the porosity of the soil.

[0150] S54: Calculating according to the anti-sliding force, the length of the locking section, and the porosity of the soil to obtain clinical elastic bending strain energy;

[0151] To clarify the specific calculation of clinical impact bending strain energy, step S54 includes S541 to S542, specifically:

[0152] S541: Calculating according to the anti-sliding force and the porosity of the soil to obtain clinical impact sliding kinetic energy;

[0153] In this step, the formula for calculating the kinetic energy of the clinical impact sliding body is:

[0154]

[0155] In the above formula (23), represents the anti-sliding force, and n represents the porosity of the soil.

[0156] S542: Calculate the clinical elastic bending strain energy according to the length of the locking section, the clinical elastic sliding kinetic energy, the porosity of the soil, and the elastic modulus of the fracture zone.

[0157] In this step, the clinical impact bending strain energy calculation formula is:

[0158]

[0159] In the above formula (24), l1 represents the length of the locking section, q represents the kinetic energy of the clinical elastic sliding body, n represents the porosity of the soil, and E represents the elastic modulus of the fault zone.

[0160] S55: Calculate the starting speed of the sliding body according to the wave oscillation energy under the action of the earthquake and rainfall, the peak residual strength drop sliding body kinetic energy, the clinical impact bending strain energy and the resultant force generated by the sliding force and gravity.

[0161] In this step, the calculation formula of the starting speed of the slider is:

[0162]

[0163] In the above formula (25), B1 represents the wave oscillation energy under the action of earthquake and rainfall, B2 represents the kinetic energy of the sliding body due to peak residual strength, B3 represents the clinical elastic bending strain energy, and m represents the resultant force generated by the sliding force and gravity.

[0164] Example 2:

[0165] like Figure 2 As shown, this embodiment provides a device for influencing the starting speed of a slope by multiple factors, the device comprising:

[0166] Acquisition module 1, used to obtain the seismic stress increment, pore water pressure coefficient, the resultant force generated by sliding force and gravity, slope and length of the locking section;

[0167] A first calculation module 2 is configured to calculate, based on the earthquake stress increment and the pore water pressure coefficient, the pore water pressure increment under the action of earthquake and rainfall;

[0168] A second calculation module 3 is used to calculate the stability coefficient based on the pore water pressure increment under the action of the earthquake and rainfall and the slope;

[0169] A third calculation module 4 is configured to calculate, based on the resultant force generated by the sliding force and gravity and the stability coefficient, a critical acceleration under the action of gravity and groundwater;

[0170] The fourth calculation module 5 is used to calculate the starting speed of the sliding body according to the critical acceleration under the action of gravity and groundwater and the length of the locking section.

[0171] It should be noted that, regarding the apparatus in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be elaborated on here.

[0172] Example 3:

[0173] Corresponding to the above method embodiment, this embodiment also provides a device for influencing the slope starting speed by multiple factors. The device for influencing the slope starting speed by multiple factors described below and the method for influencing the slope starting speed by multiple factors described above can be referenced to each other.

[0174] Figure 3 FIG. 8 is a block diagram of a device 800 for determining the starting speed of a slope based on multiple factors according to an exemplary embodiment. Figure 3 As shown, the device 800 for determining the starting speed of a slope by multiple factors may include: a processor 801 and a memory 802. The device 800 may also include one or more of a multimedia component 803, an I / O interface 804, and a communication component 805.

[0175] The processor 801 is used to control the overall operation of the device 800 for influencing the speed of a slope starting up by multiple factors, so as to complete all or part of the steps of the aforementioned method for influencing the speed of a slope starting up by multiple factors. The memory 802 is used to store various types of data to support the operation of the device 800 for influencing the speed of a slope starting up by multiple factors. This data may include, for example, instructions for any application or method operating on the device 800, as well as application-related data such as contact information, sent and received messages, images, audio, and video. The memory 802 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The multimedia component 803 may include a screen and an audio component. The screen may be, for example, a touch screen, and the audio component is used to output and / or input audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may be further stored in the memory 802 or transmitted via the communication component 805. The audio component also includes at least one speaker for outputting audio signals. The I / O interface 804 provides an interface between the processor 801 and other interface modules, which may be a keyboard, a mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the multi-factor influencing slope startup speed device 800 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G or 4G, or a combination of one or more thereof, therefore, the corresponding communication component 805 may include: a Wi-Fi module, a Bluetooth module, an NFC module.

[0176] In an exemplary embodiment, the device 800 for influencing the starting speed of a slope by multiple factors may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to execute the above-mentioned method for influencing the starting speed of a slope by multiple factors.

[0177] In another exemplary embodiment, a computer-readable storage medium including program instructions is also provided. When executed by a processor, the program instructions implement the steps of the aforementioned method for influencing the starting speed of a slope by multiple factors. For example, the computer-readable storage medium may be the aforementioned memory 802 including the program instructions. The program instructions may be executed by the processor 801 of the device 800 for influencing the starting speed of a slope by multiple factors to implement the aforementioned method for influencing the starting speed of a slope by multiple factors.

[0178] Example 4:

[0179] Corresponding to the above method embodiment, this embodiment further provides a readable storage medium. The readable storage medium described below and the method for influencing slope starting speed by multiple factors described above can refer to each other.

[0180] A readable storage medium stores a computer program, which, when executed by a processor, implements the steps of the method for influencing the starting speed of a slope by multiple factors in the above-mentioned method embodiment.

[0181] The readable storage medium may specifically be any readable storage medium that can store program code, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0182] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

[0183] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. The calculation method of multiple factors affecting the slope starting speed is characterized by: include: Obtain seismic stress increment, pore water pressure coefficient, resultant force of sliding force and gravity, slope and length of locked section; Calculating based on the seismic stress increment and the pore water pressure coefficient to obtain the pore water pressure increment under the action of earthquake and rainfall; Calculating the stability coefficient based on the pore water pressure increment under the earthquake and rainfall and the slope; for calculating, based on the resultant force generated by the sliding force and gravity and the stability coefficient, the critical acceleration under the action of gravity and groundwater; The starting speed of the sliding body is obtained by calculation based on the critical acceleration under the action of gravity and groundwater and the length of the locking section.

2. The calculation method of multiple factors affecting slope starting speed according to claim 1 is characterized in that: Obtain seismic stress increment, pore water pressure coefficient, the resultant force of sliding and gravity, slope, and length of the locked section, including: Obtain slope height, groundwater level height within the slope, unit weight of saturated soil, natural density of soil, Poisson's ratio of soil, volume compressibility of pore fluid and soil, groundwater level coefficient, porosity and shear coefficient of soil; Calculating according to the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the slope and the height of the slope to obtain the seismic stress increment; Calculating the pore water pressure coefficient based on the shear shrinkage coefficient, the volume compressibility coefficient of the pore fluid and soil, and the porosity of the soil; The resultant force generated by the sliding force and the gravity is calculated based on the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the area of ​​the preset bottom surface of the landslide body and the height of the groundwater level in the slope body.

3. The calculation method of multiple factors affecting slope starting speed according to claim 2 is characterized in that: The seismic stress increment is obtained by calculating according to the groundwater level coefficient, the natural density of the soil, the unit weight of the saturated soil, the slope, and the slope height, including: Obtain the density of water and the seismic coefficient of local seismic fortification; Calculating according to the gravity of the water and the unit weight of the saturated soil to obtain the effective gravity of the soil; Calculating the normal stress generated by gravity based on the groundwater level coefficient, the natural weight of the soil, the effective weight of the soil, the height of the slope, and the slope; Calculating the shear stress generated by gravity based on the groundwater level coefficient, the natural gravity of the soil, the unit weight of the saturated soil, the height of the slope, and the slope; The earthquake stress increment is obtained by calculation based on the normal stress generated by gravity, the shear stress generated by gravity, the Poisson's ratio of the soil and the local seismic fortification seismic coefficient.

4. The calculation method of multiple factors affecting slope starting speed according to claim 2 is characterized in that: The pore water pressure coefficient is obtained by calculation based on the shear shrinkage coefficient, the volume compressibility coefficient of the pore fluid and soil, and the porosity of the soil, including: Calculating the pore water pressure coefficient during shear deformation based on the shear shrinkage coefficient, the volume compression coefficient of the pore fluid and soil, and the porosity of the soil; Calculating the pore water pressure coefficient at a positive pressure increment based on the volume compressibility coefficient of the pore fluid and soil and the porosity of the soil; The pore water pressure coefficient during shear deformation and the pore water pressure coefficient during positive pressure increment are combined to form the pore water pressure coefficient.

5. The calculation method of multiple factors affecting slope starting speed according to claim 3 is characterized in that: The stability coefficient is obtained by calculating the pore water pressure increment under the earthquake and rainfall and the slope, including: Obtaining the cohesion of the first slope in its natural and saturated states, the cohesion of the second slope in its natural and saturated states, the internal friction angle of the first slope in its natural and saturated states, and the internal friction angle of the second slope in its natural and saturated states; Calculating the anti-slip force based on the cohesion of the first slope in its natural and saturated states, the cohesion of the second slope in its natural and saturated states, the internal friction angle of the first slope in its natural and saturated states, and the internal friction angle of the second slope in its natural and saturated states; Calculating based on the local seismic fortification coefficient and the slope to obtain the sliding force; A stability coefficient is obtained by performing calculation based on the anti-slip force and the sliding force.

6. The method for calculating the slope starting velocity under multiple factors according to claim 5, wherein the critical acceleration under the action of gravity and groundwater is obtained by calculating the resultant force generated by the sliding force and gravity and the stability coefficient, including: Calculating the resultant force generated by the sliding force and gravity and a preset critical state to obtain a resultant force value generated by the sliding force and gravity under the critical state; Calculating based on the anti-sliding force and the preset area of ​​the bottom surface of the landslide body to obtain the force generated by the anti-sliding force on the bottom surface of the landslide body; When the stability coefficient is 1, the resultant force generated by the sliding force and gravity in the critical state is equal to the force generated by the anti-sliding force on the bottom surface of the landslide body; The critical acceleration under the action of gravity and groundwater is obtained by converting the resultant force generated by the sliding force and gravity in the critical state and the force generated by the anti-sliding force on the bottom surface of the landslide body through a formula.

7. The method for calculating the starting velocity of a slope affected by multiple factors according to claim 3, wherein the starting velocity of the sliding body is obtained by calculating the critical acceleration under the action of gravity and groundwater and the length of the locking section, including: Get pi; The wave oscillation energy under the action of earthquake and rainfall is calculated based on the critical acceleration under the action of gravity and groundwater, the local seismic fortification seismic coefficient and pi; Calculating the peak residual strength of the sliding mass based on the Poisson's ratio, the pi and the porosity of the soil; Calculating the clinical impact bending strain energy according to the anti-sliding force, the length of the locking section, and the porosity of the soil; The starting speed of the sliding body is obtained by calculation based on the wave oscillation energy under the action of the earthquake and rainfall, the peak residual strength drop sliding body kinetic energy, the clinical impact bending strain energy and the resultant force generated by the sliding force and gravity.

8. A device for multi-factors affecting slope starting speed, characterized in that: include: Acquisition module, used to obtain seismic stress increment, pore water pressure coefficient, the resultant force generated by sliding force and gravity, slope and length of the locking section; A first calculation module is used to calculate the pore water pressure increment under the action of earthquake and rainfall according to the earthquake stress increment and the pore water pressure coefficient; A second calculation module is used to calculate the stability coefficient based on the pore water pressure increment under the action of the earthquake and rainfall and the slope; a third calculation module, configured to calculate, based on the resultant force generated by the sliding force and gravity and the stability coefficient, a critical acceleration under the action of gravity and groundwater; The fourth calculation module is used to calculate the starting speed of the sliding body according to the critical acceleration under the action of gravity and groundwater and the length of the locking section.

9. Equipment with multiple factors affecting slope starting speed, characterized by: include: memory for storing computer programs; A processor is used to implement the steps of the method for calculating the slope starting speed affected by multiple factors as described in any one of claims 1 to 7 when executing the computer program.

10. A readable storage medium, characterized in that: The readable storage medium stores a computer program, which, when executed by a processor, implements the steps of the method for calculating the slope starting speed affected by multiple factors as claimed in any one of claims 1 to 7.

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