Method, device, medium and equipment for predicting moisture absorption and water retention data of double-pore structure soil with wide suction range

Abstract

The invention discloses a method, a device, a medium and equipment for predicting moisture absorption and water retention data of double-pore structure soil in a wide suction range, and belongs to the technical field of calculation and program artificial intelligence. The method comprises the following steps: acquiring an independent variable value and a dependent variable value of a moisture absorption and retention curve of the double-pore structure soil with a wide suction range; taking the independent variable value as X coordinate axis data, taking the dependent variable value as Y coordinate axis data, and drawing points in XY coordinate axes; connecting the scattered points by smooth lines to obtain a moisture absorption and retention curve of the double-pore structure soil with a wide suction range; and according to the curve, obtaining a predicted value of the moisture absorption and retention data of the double-pore structure soil with the wide suction range. The device, the medium and the equipment can be used for realizing the method. According to the method, a wide-suction-range double-pore-structure soil moisture absorption and water holding curve can be obtained through limited test data, and a predicted value, corresponding to any point, of wide-suction-range double-pore-structure soil moisture absorption and water holding data can be obtained through the wide-suction-range double-pore-structure soil moisture absorption and water holding curve.

Description

Technical Field

[0001] The present invention relates to the field of computer program artificial intelligence technology, and in particular to a method, device, medium and equipment for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range. Background Art

[0002] In the prior art, the acquisition of moisture absorption and water retention data of dual-porosity soil with a wide suction range requires the detection of many parameters, and there are systematic errors and accidental errors. Different people also differ in the sample preparation and reading processes. Therefore, the cost of acquiring moisture absorption and water retention data of dual-porosity soil with a wide suction range is often increased, and the work efficiency is low. Summary of the invention

[0003] In view of this, the present invention provides a method, device, medium and equipment for predicting moisture absorption and water retention data of double-porosity structure soil with a wide suction range, which can obtain the moisture absorption and water retention curve of double-porosity structure soil with a wide suction range through a limited number of test data. By using the moisture absorption and water retention curve of double-porosity structure soil with a wide suction range, the predicted value of the moisture absorption and water retention data of double-porosity structure soil with a wide suction range corresponding to any point can be obtained, thereby being more suitable for practical use.

[0004] In order to achieve the first objective above, the technical solution of the method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the present invention is as follows:

[0005] The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the present invention comprises the following steps:

[0006] Obtaining the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil with a wide suction range;

[0007] Taking the independent variable value as X-coordinate axis data and the dependent variable value as Y-coordinate axis data, points are drawn in the XY coordinate axis, and the points are scattered points in the XY coordinate axis;

[0008] Connect the scattered points with a smooth line to obtain the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range;

[0009] According to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range, the predicted value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range is obtained.

[0010] The method for predicting moisture absorption and water holding data of dual-porosity structure soil in a wide suction range provided by the present invention can be further implemented by adopting the following technical measures.

[0011] Preferably, obtaining the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil with a wide suction range specifically comprises the following steps:

[0012] Obtaining a capillary water saturation expression of a dual-porosity structure soil and an adsorption water saturation expression of a dual-porosity structure soil, wherein both the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil have parameters to be calibrated;

[0013] According to the capillary water saturation test data of the double-porosity structure soil and the adsorption water saturation test data of the double-porosity structure soil, the value of the parameter to be calibrated is calibrated to obtain the value of the parameter;

[0014] Substituting the values ​​of the parameters into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil, respectively, to obtain the capillary water saturation expression of the dual-porous structure soil with calibrated parameters and the adsorption water saturation expression of the dual-porous structure soil with calibrated parameters, respectively;

[0015] The sum of the capillary water saturation expression of the dual-porosity structure soil with calibrated parameters and the adsorption water saturation expression of the dual-porosity structure soil with calibrated parameters is used as the expression of the pore water saturation of the dual-porosity structure soil;

[0016] According to the expression of the pore water saturation of the dual-porosity structural soil, a set number of independent variable values ​​are measured experimentally to obtain the dependent variable values ​​corresponding to the independent variable values, wherein the independent variable values ​​are the test values ​​of the capillary water saturation expression of the dual-porosity structural soil with calibrated parameters and the adsorbed water saturation expression of the dual-porosity structural soil with calibrated parameters measured experimentally, and the dependent variable value is the calculated result of the pore water saturation of the dual-porosity structural soil.

[0017] As a preference,

[0018] The capillary water saturation expression of the dual-porosity soil is:

[0019]

[0020] in,

[0021] S rc - Capillary water saturation;

[0022] e-porosity ratio,

[0023] ψ-suction force (kPa),

[0024] m - parameter controlling the evolution of adsorbed water saturation with suction,

[0025] ψ c - cavitation suction force (kPa),

[0026] α 0 -The reference porosity is e0 Intake value related parameters (kPa -1 ),

[0027] b- parameter controlling the evolution of the air intake value with the porosity ratio,

[0028] n - parameter controlling the evolution of capillary water saturation with suction.

[0029] As a preference,

[0030] The adsorption water saturation expression of the dual-porosity structural soil is:

[0031]

[0032] in,

[0033] S ra - adsorption water saturation,

[0034] -The reference porosity is e 0 The maximum adsorption water saturation at

[0035] e-porosity ratio,

[0036] ψ-suction force (kPa),

[0037] m - parameter controlling the evolution of adsorbed water saturation with suction.

[0038] Preferably, according to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated, and in the step of obtaining the numerical value of the parameter, the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is the same as the number of the parameters to be calibrated, which specifically includes the following steps:

[0039] Substituting the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil in groups, respectively, to obtain a multivariate equation with the same number as the parameters to be calibrated;

[0040] The multivariate equations are combined to obtain a multivariate equation system;

[0041] Solve the multivariate equations to obtain the values ​​of the parameters to be calibrated.

[0042] Preferably, according to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated, and in the step of obtaining the numerical value of the parameter, the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is greater than the number of the parameters to be calibrated, which specifically includes the following steps:

[0043] Substituting the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil in groups, respectively, to obtain a multivariate equation with the same number as the parameters to be calibrated;

[0044] The multivariate equations are combined to obtain a multivariate equation system;

[0045] Solving the multivariate equations to obtain the values ​​of the parameters to be calibrated respectively;

[0046] The least square method is used to obtain the optimized value of the parameter to be calibrated.

[0047] Preferably, according to the moisture absorption and water retention curve of the double-porosity structure soil with a wide suction range, obtaining the predicted value of the moisture absorption and water retention data of the double-porosity structure soil with a wide suction range specifically comprises the following steps:

[0048] Select any point on the moisture absorption and water retention curve of the double-porosity soil in the wide suction range;

[0049] Draw a perpendicular line from any point to the X-coordinate axis to obtain the foot of the perpendicular Xi; draw a perpendicular line from any point to the Y-coordinate axis to obtain the foot of the perpendicular Yi;

[0050] The value of the foot of the perpendicular Xi is read on the X-axis, and the value of the foot of the perpendicular Yi is read on the Y-axis to obtain the values ​​of the independent variable and the dependent variable at any point, which is the predicted value of the moisture absorption and water retention data of the double-porosity structural soil with a wide suction range corresponding to any point.

[0051] In order to achieve the above second purpose, the technical scheme of the device for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the present invention is as follows:

[0052] The device for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the present invention comprises:

[0053] A numerical acquisition module, used to obtain the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil in a wide suction range;

[0054] A scatter plotting module, used to plot points in the XY coordinate axis with the independent variable value as X-coordinate axis data and the dependent variable value as Y-coordinate axis data, wherein the points are scatter points in the XY coordinate axis;

[0055] A curve drawing module, used to connect the scattered points with a smooth line to obtain a moisture absorption and water retention curve of a double-porosity structure soil with a wide suction range;

[0056] The prediction value acquisition module is used to obtain the prediction value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range according to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range.

[0057] In order to achieve the third objective above, the technical solution of the computer-readable storage medium provided by the present invention is as follows:

[0058] The computer-readable storage medium provided by the present invention stores a program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range. When the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range is executed by a processor, the steps of the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range provided by the present invention are implemented.

[0059] In order to achieve the fourth objective, the technical solution of the electronic device provided by the present invention is as follows:

[0060] The electronic device provided by the present invention includes a memory and a processor, wherein the memory stores a program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range, and when the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range is executed by the processor, the steps of the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range provided by the present invention are implemented.

[0061] The method, device, medium and equipment for predicting the moisture absorption and water holding data of dual-porosity structure soil with a wide suction range provided by the present invention first detect multiple groups of data; then, the multiple groups of data are respectively introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil to obtain a set of simultaneous multivariate equations, and the parameters to be calibrated in the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil are solved; then, the parameter values ​​obtained by the solution are introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil. The adsorption water saturation expression is obtained to obtain the calibrated capillary water saturation expression and adsorption water saturation expression of the dual-porosity structure soil; then, according to the capillary water saturation expression and adsorption water saturation expression of the dual-porosity structure soil, and the test data, a smooth line scatter plot is expressed on the XY coordinate axis; finally, based on the smooth line scatter plot expressed on the XY coordinate axis, the value of the point at the foot of the X-axis and Y-axis can be read by plotting points to obtain the predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range. The smooth line scatter plot can be obtained based on a limited number of test data, and then the corresponding predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range can be obtained by plotting points. It can reduce systematic errors, accidental errors, and differences caused by different people's experience, and the number of tests required is small, and the work efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0063] Figure 1 A flowchart of the steps of a method for predicting moisture absorption and water holding data of a double-porosity structure soil with a wide suction range provided by an embodiment of the present invention;

[0064] Figure 2 A schematic diagram of the signal flow relationship between the functional modules in the device for predicting moisture absorption and water holding data of dual-porosity soil with a wide suction range provided by an embodiment of the present invention;

[0065] Figure 3 A schematic diagram of the device structure for predicting moisture absorption and water holding data of dual-porosity structure soil in a wide suction range in the hardware operating environment provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0066] In order to solve the problems existing in the prior art, the present invention provides a method, device, medium and equipment for predicting moisture absorption and water retention data of double-porosity structure soil with a wide suction range. The method, device, medium and equipment can obtain the moisture absorption and water retention curve of double-porosity structure soil with a wide suction range through a limited number of test data. By using the moisture absorption and water retention curve of double-porosity structure soil with a wide suction range, the predicted value of the moisture absorption and water retention data of double-porosity structure soil with a wide suction range corresponding to any point can be obtained, thereby being more suitable for practical use.

[0067] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following is a detailed description of the method, device, computer-readable storage medium and electronic device proposed by the present invention for predicting moisture absorption and water retention data of double-porosity structure soil with a wide suction range, its specific implementation method, structure, features and effects, in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, the features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

[0068] The term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist, for example, A and / or B. Specifically, it is understood that: A and B may be included at the same time, A may exist alone, or B may exist alone, and any of the above three situations may be met.

[0069] Method for predicting moisture absorption and water holding data of dual-porosity soils in a wide suction range

[0070] See attached Figure 1 The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the embodiment of the present invention comprises the following steps:

[0071] Step S1: obtaining the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil in a wide suction range;

[0072] Step S2: Using the independent variable value as the X-axis data and the dependent variable value as the Y-axis data, draw points in the XY-axis, where the points are scattered points in the XY-axis;

[0073] Step S3: connecting the scattered points with a smooth line to obtain the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range;

[0074] Step S4: obtaining a predicted value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range according to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range.

[0075] The method for predicting the moisture absorption and water holding data of a dual-porosity structure soil with a wide suction range provided by the present invention first detects multiple sets of data; then, the multiple sets of data are respectively introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil to obtain a set of simultaneous multivariate equations, and the parameters to be calibrated in the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil are solved; then, the parameter values ​​obtained by the solution are introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil. The capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil after calibration are obtained; then, according to the capillary water saturation expression of the dual-porosity structure soil, the adsorption water saturation expression of the dual-porosity structure soil, and the test data, a smooth line scatter plot is expressed on the XY coordinate axis; finally, based on the smooth line scatter plot expressed on the XY coordinate axis, the value at the foot of the point at the X-axis and Y-axis can be read by plotting points to obtain the predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range. The smooth line scatter plot can be obtained based on a limited number of test data, and then the corresponding predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range can be obtained by plotting points. It can reduce systematic errors, accidental errors, and differences caused by different people's experience, and the number of tests required is small, and the work efficiency is high.

[0076] The following steps are specifically used to obtain the independent variable values ​​and dependent variable values ​​of the moisture absorption and water retention curve of the double-porosity structure soil with a wide suction range:

[0077] Obtaining the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil, wherein the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil both have parameters to be calibrated;

[0078] According to the capillary water saturation test data of the double-porosity structure soil and the adsorption water saturation test data of the double-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated to obtain the numerical value of the parameter;

[0079] Substitute the numerical values ​​of the parameters into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil, respectively, to obtain the capillary water saturation expression of the dual-porosity structure soil with calibrated parameters and the adsorption water saturation expression of the dual-porosity structure soil with calibrated parameters, respectively;

[0080] The pore water saturation expression of the double-porosity structure soil with calibrated parameters is taken as the sum of the capillary water saturation expression of the double-porosity structure soil with calibrated parameters and the adsorption water saturation expression of the double-porosity structure soil with calibrated parameters.

[0081] According to the expression of pore water saturation of dual-porosity structural soil, a set number of independent variable values ​​are determined experimentally to obtain dependent variable values ​​corresponding to the independent variable values, wherein the independent variable values ​​are the capillary water saturation expression of dual-porosity structural soil with calibrated parameters and the adsorption water saturation expression of dual-porosity structural soil with calibrated parameters, which are experimental values ​​measured through experiments, and the dependent variable value is the calculated result of the pore water saturation of dual-porosity structural soil.

[0082] in,

[0083] The capillary water saturation expression of double-porosity soil is:

[0084]

[0085] in,

[0086] S rc - Capillary water saturation;

[0087] e-porosity ratio,

[0088] ψ-suction force (kPa),

[0089] m - parameter controlling the evolution of adsorbed water saturation with suction,

[0090] ψ c - cavitation suction force (kPa),

[0091] α 0 -The reference porosity is e 0 Intake value related parameters (kPa -1 ),

[0092] b- parameter controlling the evolution of the air intake value with the porosity ratio,

[0093] n - parameter controlling the evolution of capillary water saturation with suction.

[0094] in,

[0095] The adsorption water saturation expression of double-porosity structural soil is:

[0096]

[0097] in,

[0098] S ra - adsorption water saturation,

[0099] -The reference porosity is e 0 The maximum adsorption water saturation at

[0100] e-porosity ratio,

[0101] ψ-suction force (kPa),

[0102] m - parameter controlling the evolution of adsorbed water saturation with suction.

[0103] In this embodiment, the calculation requires the following parameters: the reference porosity ratio is e 0 The five parameters are: m,ψ c , α 0 , n; 1 parameter when the reference porosity ratio is e: b.

[0104] Among them, according to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated, and in the step of obtaining the numerical value of the parameter, the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is the same as the number of the parameters to be calibrated, which specifically includes the following steps:

[0105] Substitute the capillary water saturation test data of the double-porosity structure soil and the adsorption water saturation test data of the double-porosity structure soil into the capillary water saturation expression of the double-porosity structure soil and the adsorption water saturation expression of the double-porosity structure soil in groups, and obtain a multivariate equation with the same number of parameters to be calibrated;

[0106] Combine the multivariate equations to obtain a multivariate equation system;

[0107] Solve the multivariate equations and obtain the values ​​of the parameters to be calibrated.

[0108] In this case, in the multivariate equation group, the number of equations is the same as the number of parameters (unknowns) to be calibrated, so the numerical values ​​of the parameters to be calibrated can be obtained respectively.

[0109] Among them, according to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated, and in the step of obtaining the numerical value of the parameter, the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is greater than the number of the parameters to be calibrated, which specifically includes the following steps:

[0110] Substitute the capillary water saturation test data of the double-porosity structure soil and the adsorption water saturation test data of the double-porosity structure soil into the capillary water saturation expression of the double-porosity structure soil and the adsorption water saturation expression of the double-porosity structure soil in groups, and obtain a multivariate equation with the same number of parameters to be calibrated;

[0111] Combine the multivariate equations to obtain a multivariate equation system;

[0112] Solve the multivariate equations to obtain the values ​​of the parameters to be calibrated;

[0113] The least square method is used to obtain the optimized values ​​of the parameters to be calibrated.

[0114] In this case, in the multivariate equation group, the number of equations is greater than the number of parameters (unknowns) to be calibrated. Therefore, the numerical value of each parameter to be calibrated is more than 1. On this basis, the least squares method is applied to optimize the parameters to be calibrated. Therefore, the capillary water saturation expression of the dual-porosity structure soil and the adsorbed water saturation expression of the dual-porosity structure soil can be made more accurate.

[0115] Among them, according to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range, obtaining the predicted value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range specifically includes the following steps:

[0116] Select any point on the moisture absorption and water retention curve of double-porosity soil in a wide suction range;

[0117] Draw a perpendicular line from any point to the X-axis, and get the foot of the perpendicular Xi; draw a perpendicular line from any point to the Y-axis, and get the foot of the perpendicular Yi;

[0118] The value of the foot of the perpendicular Xi is read on the X-axis, and the value of the foot of the perpendicular Yi is read on the Y-axis to obtain the values ​​of the independent variable and the dependent variable at any point, which is the predicted value of the moisture absorption and water holding data of the double-porosity structure soil in a wide suction range corresponding to any point.

[0119] In this case, there is no need to conduct tests on the data of each point separately. The moisture absorption and water retention data of the double-porosity structure soil in a wide suction range of the corresponding point can be obtained by reading the moisture absorption and water retention curve of the double-porosity structure soil in the wide suction range, which improves work efficiency and data accuracy.

[0120] Device for predicting moisture absorption and water holding data of double-porosity soils with a wide suction range

[0121] See attached Figure 2 The device for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range provided by the embodiment of the present invention comprises:

[0122] A numerical acquisition module, used to obtain the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil in a wide suction range;

[0123] A scatter plotting module, used to plot points in the XY coordinate axis with the independent variable value as X-coordinate axis data and the dependent variable value as Y-coordinate axis data, wherein the points are scatter points in the XY coordinate axis;

[0124] A curve drawing module, used to connect the scattered points with a smooth line to obtain a moisture absorption and water retention curve of a double-porosity structure soil with a wide suction range;

[0125] The prediction value acquisition module is used to obtain the prediction value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range according to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range.

[0126] The device for predicting the moisture absorption and water holding data of a dual-porosity structure soil with a wide suction range provided by the present invention first detects a plurality of groups of data; then, the plurality of groups of data are respectively introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil to obtain a set of simultaneous multivariate equations, and the parameters to be calibrated in the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil are solved; then, the parameter values ​​obtained by the solution are introduced into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil. The capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil after calibration are obtained; then, according to the capillary water saturation expression of the dual-porosity structure soil, the adsorption water saturation expression of the dual-porosity structure soil, and the test data, a smooth line scatter plot is expressed on the XY coordinate axis; finally, based on the smooth line scatter plot expressed on the XY coordinate axis, the value at the foot of the point at the X-axis and Y-axis can be read by plotting points to obtain the predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range. The smooth line scatter plot can be obtained based on a limited number of test data, and then the corresponding predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range can be obtained by plotting points. It can reduce systematic errors, accidental errors, and differences caused by different people's experience, and the number of tests required is small, and the work efficiency is high.

[0127] Computer readable storage medium

[0128] The computer-readable storage medium provided in the embodiment of the present invention stores a program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range. When the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range is executed by a processor, the steps of the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range provided in the present invention are implemented.

[0129] The computer-readable storage medium provided by the present invention first detects multiple groups of data; then, the multiple groups of data are respectively introduced into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil to obtain a set of simultaneous multivariate equations, and the parameters to be calibrated in the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil are solved; then, the parameter values ​​obtained by the solution are introduced into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil to obtain To the calibrated capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil; then, according to the capillary water saturation expression of the dual-porosity structure soil, the adsorption water saturation expression of the dual-porosity structure soil, and the test data, express the smooth line scatter plot on the XY coordinate axis; finally, based on the smooth line scatter plot expressed on the XY coordinate axis, the value of the point at the foot of the X-axis and Y-axis can be read by plotting points to obtain the predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range. The smooth line scatter plot can be obtained based on a limited number of test data, and then the corresponding predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range can be obtained by plotting points. It can reduce systematic errors, accidental errors, and differences caused by different people's experience, and the number of tests required is small, and the work efficiency is high.

[0130] Electronic devices

[0131] The electronic device provided by the embodiment of the present invention includes a memory and a processor, wherein the memory stores a program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range, and when the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range is executed by the processor, the steps of the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range provided by the present invention are implemented.

[0132] The electronic device provided by the present invention first detects multiple groups of data; then, the multiple groups of data are respectively introduced into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil to obtain a set of simultaneous multivariate equations, and the parameters to be calibrated in the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil are solved; then, the parameter values ​​obtained by the solution are introduced into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil to obtain the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil. The capillary water saturation expression and adsorption water saturation expression of the dual-porosity structure soil are calibrated; then, according to the capillary water saturation expression and adsorption water saturation expression of the dual-porosity structure soil and the test data, a smooth line scatter plot is expressed on the XY coordinate axis; finally, based on the smooth line scatter plot expressed on the XY coordinate axis, the value of the point at the foot of the X-axis and Y-axis can be read by plotting points to obtain the predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range. The smooth line scatter plot can be obtained based on a limited number of test data, and then the corresponding predicted value of the moisture absorption and water retention data of the dual-porosity structure soil with a wide suction range can be obtained by plotting points. It can reduce systematic errors, accidental errors, and differences caused by different people's experience, and the number of tests required is small, and the work efficiency is high.

[0133] Reference Figure 3 , Figure 3 It is a schematic diagram of the structure of a device for predicting moisture absorption and water holding data of double-porosity structure soil in a wide suction range in the hardware operating environment involved in the embodiment of the present invention.

[0134] like Figure 3 As shown, the device for predicting moisture absorption and water holding data of dual-pore structure soil with a wide suction range may include: a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a wireless fidelity (WIreless-FIdelity, WI-FI) interface). The memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001.

[0135] Those skilled in the art will understand that Figure 3 The structure shown in the figure does not constitute a limitation on the device for predicting moisture absorption and water retention data of dual-porosity soil in a wide suction range, and may include more or less components than shown in the figure, or combine certain components, or arrange the components differently.

[0136] like Figure 3 As shown, the memory 1005 as a storage medium may include an operating system, a data storage module, a network communication module, a user interface module, and a program for predicting moisture absorption and water retention data of dual-porosity structure soil with a wide suction range.

[0137] exist Figure 3 In the device for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range shown in the figure, the network interface 1004 is mainly used for data communication with the network server; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the device for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range of the present invention can be set in the device for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range, and the device for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range calls the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range stored in the memory 1005 through the processor 1001, and executes the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range provided in the embodiment of the present invention.

[0138] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0139] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A method for predicting moisture absorption and water holding data of double-porosity soil in a wide suction range, characterized in that: The following steps are involved: Obtaining the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil with a wide suction range; Taking the independent variable value as X-coordinate axis data and the dependent variable value as Y-coordinate axis data, points are drawn in the XY coordinate axis, and the points are scattered points in the XY coordinate axis; Connect the scattered points with a smooth line to obtain the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range; According to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range, the predicted value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range is obtained.

2. The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range according to claim 1, characterized in that: Obtaining the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil with a wide suction range specifically includes the following steps: Obtaining a capillary water saturation expression of a dual-porosity structure soil and an adsorption water saturation expression of a dual-porosity structure soil, wherein both the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil have parameters to be calibrated; According to the capillary water saturation test data of the double-porosity structure soil and the adsorption water saturation test data of the double-porosity structure soil, the value of the parameter to be calibrated is calibrated to obtain the value of the parameter; Substituting the values ​​of the parameters into the capillary water saturation expression of the dual-porous structure soil and the adsorption water saturation expression of the dual-porous structure soil, respectively, to obtain the capillary water saturation expression of the dual-porous structure soil with calibrated parameters and the adsorption water saturation expression of the dual-porous structure soil with calibrated parameters, respectively; The sum of the capillary water saturation expression of the dual-porosity structure soil with calibrated parameters and the adsorption water saturation expression of the dual-porosity structure soil with calibrated parameters is used as the expression of the pore water saturation of the dual-porosity structure soil; According to the expression of the pore water saturation of the dual-porosity structural soil, a set number of independent variable values ​​are measured experimentally to obtain the dependent variable values ​​corresponding to the independent variable values, wherein the independent variable values ​​are the test values ​​of the capillary water saturation expression of the dual-porosity structural soil with calibrated parameters and the adsorbed water saturation expression of the dual-porosity structural soil with calibrated parameters measured experimentally, and the dependent variable value is the calculated result of the pore water saturation of the dual-porosity structural soil.

3. The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range according to claim 2, characterized in that: The capillary water saturation expression of the dual-porosity soil is: in, S rc - Capillary water saturation; e-porosity ratio, ψ-suction force (kPa), m - parameter controlling the evolution of adsorbed water saturation with suction, ψ c - cavitation suction force (kPa), α0-refer to the air intake value when the void ratio is e0 (kPa -1 ), b- parameter controlling the evolution of the air intake value with the porosity ratio, n - parameter controlling the evolution of capillary water saturation with suction.

4. The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range according to claim 2, characterized in that: The adsorption water saturation expression of the dual-porosity structure soil is: in, S ra - adsorption water saturation, - Maximum adsorbed water saturation at reference porosity e0, e-porosity ratio, ψ-suction force (kPa), m - parameter controlling the evolution of adsorbed water saturation with suction.

5. The method for predicting moisture absorption and water holding data of double-porosity soil with a wide suction range according to claim 2, characterized in that: According to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated to obtain the numerical value of the parameter, wherein the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is the same as the number of the parameters to be calibrated, and specifically includes the following steps: Substituting the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil in groups, respectively, to obtain a multivariate equation with the same number as the parameters to be calibrated; The multivariate equations are combined to obtain a multivariate equation system; Solve the multivariate equations to obtain the values ​​of the parameters to be calibrated.

6. The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range according to claim 2, characterized in that: According to the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil, the numerical value of the parameter to be calibrated is calibrated to obtain the numerical value of the parameter, and the number of groups of the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil is greater than the number of the parameters to be calibrated, which specifically includes the following steps: Substituting the capillary water saturation test data of the dual-porosity structure soil and the adsorption water saturation test data of the dual-porosity structure soil into the capillary water saturation expression of the dual-porosity structure soil and the adsorption water saturation expression of the dual-porosity structure soil in groups, respectively, to obtain a multivariate equation with the same number as the parameters to be calibrated; The multivariate equations are combined to obtain a multivariate equation system; Solving the multivariate equations to obtain the values ​​of the parameters to be calibrated respectively; The least square method is used to obtain the optimized value of the parameter to be calibrated.

7. The method for predicting moisture absorption and water holding data of double-porosity structure soil with a wide suction range according to claim 1, characterized in that: According to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range, obtaining the predicted value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range specifically comprises the following steps: Select any point on the moisture absorption and water retention curve of the double-porosity soil in the wide suction range; Draw a perpendicular line from any point to the X-coordinate axis to obtain the foot of the perpendicular Xi; draw a perpendicular line from any point to the Y-coordinate axis to obtain the foot of the perpendicular Yi; The value of the foot of the perpendicular Xi is read on the X-axis, and the value of the foot of the perpendicular Yi is read on the Y-axis to obtain the values ​​of the independent variable and the dependent variable at any point, which is the predicted value of the moisture absorption and water retention data of the double-porosity structural soil with a wide suction range corresponding to any point.

8. A device for predicting moisture absorption and water holding data of double-porosity soil in a wide suction range, characterized in that: include: A numerical acquisition module, used to obtain the independent variable value and the dependent variable value of the moisture absorption and water retention curve of the double-porosity structural soil in a wide suction range; A scatter plotting module, used to plot points in the XY coordinate axis with the independent variable value as X-coordinate axis data and the dependent variable value as Y-coordinate axis data, wherein the points are scatter points in the XY coordinate axis; A curve drawing module, used to connect the scattered points with a smooth line to obtain a moisture absorption and water retention curve of a double-porosity structure soil with a wide suction range; The prediction value acquisition module is used to obtain the prediction value of the moisture absorption and water retention data of the double-porosity structure soil in a wide suction range according to the moisture absorption and water retention curve of the double-porosity structure soil in a wide suction range.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range. When the program for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range is executed by the processor, the steps of the method for predicting the moisture absorption and water retention data of a dual-porosity structure soil with a wide suction range described in any one of claims 1 to 7 are implemented.

10. An electronic device, characterized in that: The invention comprises a memory and a processor, wherein the memory stores a program for predicting the moisture absorption and water retention data of a double-porosity structure soil with a wide suction range, and when the program for predicting the moisture absorption and water retention data of a double-porosity structure soil with a wide suction range is executed by the processor, the steps of the method for predicting the moisture absorption and water retention data of a double-porosity structure soil with a wide suction range described in any one of claims 1 to 7 are implemented.

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