An auxiliary method and system for the penetration verticality and angle of static drilling and root-embedded piles

By measuring and analyzing the data during the penetration process of the static drill root pile in real time, correcting the penetration pressure and speed, solving the problem of limited perpendicularity and angle accuracy in traditional technology, achieving higher accuracy and reliability.

CN119553671BActive Publication Date: 2025-05-27CHANGYE CONSTR GROUP
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Patent Information

Application Number
CN202510104861.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-05-27
Estimated Expiration
2045-01-23

AI Technical Summary

Technical Problem

The traditional static drill root pile penetration process does not fully consider the impact of penetration pressure and penetration speed on verticality and angle, resulting in limited accuracy.

Method used

By measuring penetration process data and soil measurement data in real time, calculating verticality errors and soil friction forces, building a linear regression model to analyze the cohesion, and correcting penetration pressure and velocity based on these factors to ensure that the static drill root pile maintains the ideal verticality and angle during penetration.

Benefits of technology

It effectively improves the accuracy of perpendicularity and angle of the perforation of the static drill root pile, ensuring that the pile body always maintains an ideal state during the penetration process.

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Abstract

The present invention relates to the technical field of auxiliary technologies for static drilling and root-embedded piles, and specifically to an auxiliary method and system for the penetration perpendicularity and angle of static drilling and root-embedded piles, including: calculating the first perpendicularity error by measuring the penetration process data and soil measurement data in real time, calculating the first soil friction coefficient based on the soil measurement data, and calculating the first soil friction force according to the first soil friction coefficient, contact area, and penetration pressure; analyzing to obtain the first soil cohesion using a linear regression model, and obtaining the first corrected penetration pressure based on the first soil friction force, first soil cohesion, and first perpendicularity error; and calculating the first corrected penetration speed according to the first corrected penetration pressure and penetration speed. The present invention can effectively improve the accuracy of the penetration perpendicularity and angle of static drilling and root-embedded piles.
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Description

Technical Field

[0001] The present invention relates to the technical field of static drilling and root planting pile assistance, and specifically to an auxiliary method and system for the penetration verticality and angle of static drilling and root planting piles. Background Art

[0002] The static drilling and root planting pile is an efficient foundation construction technology, which is widely used in fields such as bridges and buildings. The accuracy of its penetration process directly affects the overall quality and safety of the project.

[0003] However, the influence of penetration pressure and penetration speed on the penetration verticality and angle of static drilling and root planting piles is not fully considered in the traditional penetration process of static drilling and root planting piles, which easily leads to limited accuracy of the penetration verticality and angle of static drilling and root planting piles.

[0004] Therefore, an auxiliary method and system for the penetration verticality and angle of static drilling and root planting piles are proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide an auxiliary method and system for the penetration verticality and angle of static drilling and root planting piles. The present invention relates to the technical field of static drilling and root planting pile assistance, and specifically to an auxiliary method and system for the penetration verticality and angle of static drilling and root planting piles, including: by measuring the penetration process data and soil measurement data in real time, calculating the first verticality error, calculating the first soil friction coefficient based on the soil measurement data, and calculating the first soil frictional force according to the first soil friction coefficient, contact area and penetration pressure; analyzing and obtaining the first soil cohesion by using a linear regression model, and obtaining the first corrected penetration pressure according to the first soil frictional force, the first soil cohesion and the first verticality error; and calculating the first corrected penetration speed according to the first corrected penetration pressure and the penetration speed. The present invention can effectively improve the accuracy of the penetration verticality and angle of static drilling and root planting piles.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An auxiliary method for the penetration verticality and angle of static drilling and root planting piles, including:

[0008] S10. Measure the penetration process data and soil measurement data of the static drilling and root planting pile in real time. The penetration process data includes penetration speed, penetration pressure, contact area and the deviation angle of the static drilling and root planting pile; the soil measurement data includes soil shear stress, soil hardness, soil density and soil water content;

[0009] S20. Obtain the first verticality error according to the penetration process data;

[0010] S30. Obtain the first soil friction coefficient according to the soil measurement data; obtain the first soil frictional force according to the first soil friction coefficient, the contact area, and the penetration pressure; construct a linear regression model to analyze the soil cohesion and obtain the first soil cohesion; obtain the first corrected penetration pressure according to the first soil frictional force, the first soil cohesion, the penetration pressure, and the first verticality error; the first corrected penetration pressure is:

[0011] ;

[0012] where, represents the first corrected penetration pressure; represents the penetration pressure; represents the first verticality influence factor; represents the first verticality error; represents the preset first verticality error; represents the first soil frictional force influence factor; represents the first soil frictional force; represents the first soil cohesion influence factor; represents the first soil cohesion;

[0013] S40. Obtain the first corrected penetration speed according to the penetration speed and the first corrected penetration pressure, so that the static drilling root pile maintains an ideal verticality and angle during the penetration process.

[0014] Preferably, the penetration speed is obtained through a speed sensor; the penetration pressure is obtained through a pressure sensor; the offset angle of the static drilling root pile is obtained through a laser rangefinder; the soil shear stress is obtained through a stress sensor; the soil hardness is obtained through a hardness sensor; the soil density is measured by a densitometer; the soil water content is measured by a soil moisture sensor.

[0015] Preferably, the first soil friction coefficient is:

[0016] ;

[0017] where, represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influence factor; represents the soil shear stress; represents the reference soil shear stress; represents the soil hardness influence factor; represents the soil hardness; represents the reference soil hardness; represents the soil density influence factor; represents the soil density; represents the reference soil density; represents the soil water content influencing factor; represents the soil water content; represents the reference soil water content.

[0018] Preferably, the first soil frictional force is obtained by multiplying the first soil friction coefficient, the contact area, and the penetration pressure, and the first soil frictional force is specifically expressed as:

[0019] ;

[0020] wherein, represents the first soil frictional force; represents the first soil friction coefficient; represents the contact area; represents the penetration pressure.

[0021] Preferably, the first soil cohesion:

[0022] ;

[0023] wherein, represents the first soil cohesion; represents the soil shear stress; represents the soil density; represents the soil water content; represents the soil hardness; , , , and represents the regression coefficient.

[0024] Preferably, the first corrected penetration speed is:

[0025] ;

[0026] wherein, represents the first corrected penetration speed; represents the penetration speed; represents the first corrected penetration pressure influencing factor; represents the first corrected penetration pressure.

[0027] An auxiliary system for the penetration verticality and angle of a static drilling root pile, comprising:

[0028] A data measurement module for real-time measurement of the penetration process data and soil measurement data of a statically drilled root pile. The penetration process data includes penetration speed, penetration pressure, contact area, and the deviation angle of the statically drilled root pile. The soil measurement data includes soil shear stress, soil hardness, soil density, and soil water content.

[0029] An error analysis module for obtaining a first verticality error based on the penetration process data.

[0030] A pressure correction module for obtaining a first soil friction coefficient based on the soil measurement data; obtaining a first soil frictional force based on the first soil friction coefficient, contact area, and penetration pressure; constructing a linear regression model to analyze soil cohesion and obtaining a first soil cohesion; obtaining a first corrected penetration pressure based on the first soil frictional force, the first soil cohesion, the penetration pressure, and the first verticality error. The first corrected penetration pressure is:

[0031] ;

[0032] Where represents the first corrected penetration pressure; represents the penetration pressure; represents the first verticality influence factor; represents the first verticality error; represents the preset first verticality error; represents the first soil frictional force influence factor; represents the first soil frictional force; represents the first soil cohesion influence factor; represents the first soil cohesion;

[0033] A speed correction module for obtaining a first corrected penetration speed based on the penetration speed and the first corrected penetration pressure, so that the statically drilled root pile maintains an ideal verticality and angle during the penetration process.

[0034] Preferably, the penetration speed is obtained by a speed sensor; the penetration pressure is obtained by a pressure sensor; the deviation angle of the statically drilled root pile is obtained by a laser rangefinder; the soil shear stress is obtained by a stress sensor; the soil hardness is obtained by a hardness sensor; the soil density is measured by a densitometer; the soil water content is measured by a soil moisture sensor.

[0035] Preferably, the first soil friction coefficient is:

[0036] ;

[0037] Where represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influence factor; represents the soil shear stress; represents the reference soil shear stress; represents the soil hardness influence factor; represents the soil hardness; represents the reference soil hardness; represents the soil density influence factor; represents the soil density; represents the reference soil density; represents the soil water content influence factor; represents the soil water content; represents the reference soil water content.

[0038] Preferably, the first corrected penetration speed is:

[0039] ;

[0040] wherein, represents the first corrected penetration speed; represents the penetration speed; represents the first corrected penetration pressure influence factor; represents the first corrected penetration pressure.

[0041] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0042] 1. The present invention measures the penetration process data and soil measurement data of the static drilling root pile in real time through multiple sensors, reflecting the comprehensiveness of data measurement, and obtaining the first verticality error according to the offset angle of the static drilling root pile, providing a data basis for the subsequent correction and adjustment of the penetration pressure and penetration speed, thereby further improving the accuracy of the penetration verticality and angle of the static drilling root pile.

[0043] 2. The present invention obtains the first soil friction coefficient of the soil by comprehensively analyzing the soil measurement data; and obtains the first soil frictional force according to the first soil friction coefficient, the contact area and the penetration pressure; on this basis, a linear regression model is constructed to analyze the soil cohesion, and the first soil cohesion is obtained. By comprehensively considering factors such as the first soil frictional force, the first soil cohesion, the penetration pressure, and the first verticality error, the first corrected penetration pressure is obtained; and the frictional force and cohesion of the soil are comprehensively analyzed to flexibly correct the penetration pressure, thereby effectively improving the accuracy and reliability of the penetration process of the static drilling root pile, ensuring that the pile body always maintains an ideal verticality and angle during the penetration process, and thus effectively improving the accuracy of the penetration verticality and angle of the static drilling root pile.

[0044] 3. Based on the comprehensive first corrected penetration pressure and penetration speed, the present invention calculates the first corrected penetration speed. Through the flexible correction of the penetration speed, the accurate control of the penetration process can be achieved, ensuring that the pile body always maintains an ideal verticality and angle during the penetration process, and thus effectively improving the accuracy of the penetration verticality and angle of the static drilling and root-embedding pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic flow chart of an auxiliary method for the penetration verticality and angle of a static drilling and root-embedding pile provided by an embodiment of the present invention;

[0046] Figure 2 It is a schematic diagram of the deviation angle of a static drilling and root-embedding pile provided by this embodiment;

[0047] Figure 3 It is a schematic structural diagram of an auxiliary system for the penetration verticality and angle of a static drilling and root-embedding pile provided by an embodiment of the present invention.

[0048] In the figure: a, the first static drilling and root-embedding pile; b, the first soil; c, the first ideal penetration direction; d, the deviation angle of the first static drilling and root-embedding pile. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0050] Embodiment 1

[0051] In order to improve the accuracy of the penetration verticality and angle of the A static drilling and root-embedding pile, an auxiliary method for the penetration verticality and angle of a static drilling and root-embedding pile is applied;

[0052] Referring to Figure 1 , it is a schematic flow chart of an auxiliary method for the penetration verticality and angle of a static drilling and root-embedding pile provided by an embodiment of the present invention, including:

[0053] S10. Real-time measure the penetration process data and soil measurement data of the static drilling and root-embedding pile. The penetration process data includes penetration speed, penetration pressure, contact area, and the deviation angle of the static drilling and root-embedding pile; the soil measurement data includes soil shear stress, soil hardness, soil density, and soil water content;

[0054] Further, the penetration speed is obtained by a speed sensor; the penetration pressure is obtained by a pressure sensor; the deflection angle of the static drilling root pile is obtained by a laser rangefinder; the soil shear stress is obtained by a stress sensor; the soil hardness is obtained by a hardness sensor; the contact area represents the actual contact area between the static drilling root pile and the soil; the soil density is measured by a densitometer; the soil water content is measured by a soil humidity sensor;

[0055] S20. Obtain the first perpendicularity error according to the penetration process data;

[0056] Further, Figure 2 is a schematic diagram of the deflection angle of the static drilling root pile provided in this embodiment; the first static drilling root pile a represents the static drilling root pile in this embodiment; the first soil b represents the soil penetrated by the static drilling root pile; the first ideal penetration direction c represents the ideal penetration direction of the static drilling root pile; the first deflection angle d of the static drilling root pile represents the deflection angle of the static drilling root pile;

[0057] Further, the first perpendicularity error is obtained through the deflection angle of the static drilling root pile; the first perpendicularity error is:

[0058] ;

[0059] Wherein, represents the first perpendicularity error; represents the deflection angle of the static drilling root pile; represents the sine function;

[0060] In this embodiment, the penetration process data of the static drilling root pile and the soil measurement data are measured in real time by multiple sensors, reflecting the comprehensiveness of data measurement, and the first perpendicularity error is obtained according to the deflection angle of the static drilling root pile, providing a data basis for the later correction and adjustment of the penetration pressure and penetration speed, thereby further improving the accuracy of the penetration perpendicularity and angle of the static drilling root pile.

[0061] S30. Obtain the first soil friction coefficient according to the soil measurement data; obtain the first soil frictional force according to the first soil friction coefficient, the contact area and the penetration pressure; construct a linear regression model to analyze the soil cohesion to obtain the first soil cohesion; obtain the first corrected penetration pressure according to the first soil frictional force, the first soil cohesion, the penetration pressure and the first perpendicularity error; the first corrected penetration pressure is:

[0062] ;

[0063] Wherein, represents the first corrected penetration pressure; represents the penetration pressure; represents the first perpendicularity influence factor; represents the first perpendicularity error; represents the preset first perpendicularity error; represents the first soil friction influence factor; represents the first soil friction; represents the first soil cohesion influence factor; represents the first soil cohesion;

[0064] Furthermore, the first soil friction coefficient is:

[0065] ;

[0066] wherein, represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influence factor; represents the soil shear stress; represents the reference soil shear stress; represents the soil hardness influence factor; represents the soil hardness; represents the reference soil hardness; represents the soil density influence factor; represents the soil density; represents the reference soil density; represents the soil water content influence factor; represents the soil water content; represents the reference soil water content.

[0067] Furthermore, the first soil friction is obtained by multiplying the first soil friction coefficient, the contact area, and the penetration pressure, and the first soil friction is specifically expressed as:

[0068] ;

[0069] wherein, represents the first soil friction; represents the first soil friction coefficient; represents the contact area; represents the penetration pressure.

[0070] Furthermore, the first soil cohesion:

[0071] ;

[0072] wherein, represents the first soil cohesion; represents the soil shear stress; represents the soil density; represents the soil water content; represents the soil hardness; 、 、 、 and represent regression coefficients; each regression coefficient represents the influence degree of different soil measurement data on the soil cohesion.

[0073] S40. Obtain the first corrected penetration speed according to the penetration speed and the first corrected penetration pressure, so that the static drilling root pile maintains an ideal verticality and angle during the penetration process;

[0074] In this embodiment, by comprehensively analyzing the soil measurement data, the first soil friction coefficient of the soil is obtained; and according to the first soil friction coefficient, the contact area and the penetration pressure, the first soil frictional force is obtained; on this basis, a linear regression model is constructed to analyze the soil cohesion, and the first soil cohesion is obtained. By comprehensively considering factors such as the first soil frictional force, the first soil cohesion, the penetration pressure, and the first verticality error, the first corrected penetration pressure is obtained; and by comprehensively analyzing the frictional force and cohesion of the soil, the penetration pressure is flexibly corrected, so as to effectively improve the accuracy and reliability of the penetration process of the static drilling root pile, ensure that the pile body always maintains an ideal verticality and angle during the penetration process, and thus effectively improve the accuracy of the penetration verticality and angle of the static drilling root pile.

[0075] Further, the first corrected penetration speed is:

[0076] ;

[0077] where represents the first corrected penetration speed; represents the penetration speed; represents the influence factor of the first corrected penetration pressure; represents the first corrected penetration pressure.

[0078] In this embodiment, based on the comprehensive first corrected penetration pressure and the penetration speed, the first corrected penetration speed is calculated. By flexibly correcting the penetration speed, precise control of the penetration process can be achieved, ensuring that the pile body always maintains an ideal verticality and angle during the penetration process, and further effectively improving the accuracy of the penetration verticality and angle of the static drilling root pile.

[0079] To verify the effectiveness of an auxiliary method for the penetration verticality and angle of a static drilling and root-embedded pile provided in this embodiment, multiple comparative experiments were conducted in this embodiment. Comparative experiments were carried out through Method 1, Method 2, and Method 3 respectively. Method 1 is an auxiliary method for the penetration verticality and angle of a static drilling and root-embedded pile provided in this embodiment; Method 2 is without considering the correction of the penetration pressure based on Method 1; Method 2 is without considering the correction of the penetration speed based on Method 1; The average accuracy rates of the verticality and angle of the static drilling and root-embedded pile penetrating into the soil in multiple experiments were compared. The specific comparison results are shown in Table 1;

[0080] Table 1 Comparison table of penetration verticality and angle accuracy rates of different methods

[0081]

[0082] As can be seen from Table 1, an auxiliary method for the penetration verticality and angle of a static drilling and root-embedded pile proposed in this embodiment is superior to Method 2 and Method 3 in terms of both verticality and angle accuracy rates, indicating that the auxiliary method for the penetration verticality and angle of a static drilling and root-embedded pile proposed in this embodiment has a certain effectiveness.

[0083] In this embodiment, by measuring the penetration process data and soil measurement data in real time, the first verticality error is calculated. The first soil friction coefficient is calculated based on the soil measurement data, and the first soil frictional force is calculated according to the first soil friction coefficient, contact area, and penetration pressure; The first soil cohesion is obtained by analyzing using a linear regression model. Based on the first soil frictional force, the first soil cohesion, and the first verticality error, the first corrected penetration pressure is obtained; And according to the first corrected penetration pressure and penetration speed, the first corrected penetration speed is calculated. The present invention can effectively improve the accuracy rates of the penetration verticality and angle of a static drilling and root-embedded pile.

[0084] Embodiment 2

[0085] To improve the accuracy rates of the penetration verticality and angle of B static drilling and root-embedded piles, an auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile is applied;

[0086] Refer to Figure 3 , which is a schematic structural diagram of an auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile provided in an embodiment of the present invention, including:

[0087] A data measurement module for measuring the penetration process data and soil measurement data of a static drilling and root-embedded pile in real time. The penetration process data includes penetration speed, penetration pressure, contact area, and the offset angle of the static drilling and root-embedded pile; The soil measurement data includes soil shear stress, soil hardness, soil density, and soil water content;

[0088] Further, the penetration speed is obtained by a speed sensor; the penetration pressure is obtained by a pressure sensor; the deflection angle of the static drilling root pile is obtained by a laser rangefinder; the soil shear stress is obtained by a stress sensor; the soil hardness is obtained by a hardness sensor; the contact area represents the actual contact area between the static drilling root pile and the soil; the soil density is measured by a densitometer; the soil water content is measured by a soil moisture sensor;

[0089] An error analysis module for obtaining a first perpendicularity error based on the penetration process data;

[0090] Further, Figure 2 FIG. is a schematic diagram of the deflection angle of a static drilling root pile provided in this embodiment; the first static drilling root pile a represents the static drilling root pile in this embodiment; the first soil b represents the soil penetrated by the static drilling root pile; the first ideal penetration direction c represents the ideal penetration direction of the static drilling root pile; the first static drilling root pile deflection angle d represents the deflection angle of the static drilling root pile;

[0091] Further, the first perpendicularity error is obtained through the deflection angle of the static drilling root pile; the first perpendicularity error is:

[0092] ;

[0093] Wherein, represents the first perpendicularity error; represents the deflection angle of the static drilling root pile; represents the sine function;

[0094] In this embodiment, the penetration process data of the static drilling root pile and the soil measurement data are measured in real time by multiple sensors, reflecting the comprehensiveness of data measurement, and the first perpendicularity error is obtained based on the deflection angle of the static drilling root pile, providing a data basis for the later correction and adjustment of the penetration pressure and penetration speed, thereby further improving the accuracy of the penetration perpendicularity and angle of the static drilling root pile.

[0095] A pressure correction module for obtaining a first soil friction coefficient according to the soil measurement data; obtaining a first soil frictional force according to the first soil friction coefficient, the contact area and the penetration pressure; constructing a linear regression model to analyze the soil cohesion to obtain a first soil cohesion; obtaining a first corrected penetration pressure according to the first soil frictional force, the first soil cohesion, the penetration pressure and the first perpendicularity error; the first corrected penetration pressure is:

[0096] ;

[0097] Wherein, represents the first corrected penetration pressure; represents the penetration pressure; represents the first perpendicularity influence factor; represents the first perpendicularity error; represents the preset first perpendicularity error; represents the first soil friction influence factor; represents the first soil friction; represents the first soil cohesion influence factor; represents the first soil cohesion;

[0098] Furthermore, the first soil friction coefficient is:

[0099] ;

[0100] wherein, represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influence factor; represents the soil shear stress; represents the reference soil shear stress; represents the soil hardness influence factor; represents the soil hardness; represents the reference soil hardness; represents the soil density influence factor; represents the soil density; represents the reference soil density; represents the soil water content influence factor; represents the soil water content; represents the reference soil water content.

[0101] Furthermore, the first soil friction is obtained by multiplying the first soil friction coefficient, the contact area, and the penetration pressure, and the first soil friction is specifically expressed as:

[0102] ;

[0103] wherein, represents the first soil friction; represents the first soil friction coefficient; represents the contact area; represents the penetration pressure.

[0104] Furthermore, the first soil cohesion:

[0105] ;

[0106] wherein, represents the first soil cohesion; represents the soil shear stress; represents the soil density; represents the soil water content; represents the soil hardness; and and and and represent regression coefficients; each regression coefficient represents the influence degree of different soil measurement data on the soil cohesion.

[0107] In this embodiment, by comprehensively analyzing the soil measurement data, the first soil friction coefficient of the soil is obtained; and based on the first soil friction coefficient, the contact area, and the penetration pressure, the first soil frictional force is obtained; on this basis, a linear regression model is constructed to analyze the soil cohesion, and the first soil cohesion is obtained. By comprehensively considering factors such as the first soil frictional force, the first soil cohesion, the penetration pressure, and the first perpendicularity error, the first corrected penetration pressure is obtained; and by comprehensively analyzing the frictional force and cohesion of the soil, the penetration pressure is flexibly corrected, thereby effectively improving the accuracy and reliability of the penetration process of the static drilling root-embedded pile, ensuring that the pile body always maintains an ideal perpendicularity and angle during the penetration process, and thus effectively improving the accuracy of the penetration perpendicularity and angle of the static drilling root-embedded pile.

[0108] A speed correction module, configured to obtain a first corrected penetration speed according to the penetration speed and the first corrected penetration pressure, so that the static drilling root-embedded pile maintains an ideal perpendicularity and angle during the penetration process.

[0109] Further, the first corrected penetration speed is:

[0110] ;

[0111] wherein, represents the first corrected penetration speed; represents the penetration speed; represents the first corrected penetration pressure influence factor; represents the first corrected penetration pressure.

[0112] In this embodiment, based on the comprehensive first corrected penetration pressure and the penetration speed, the first corrected penetration speed is calculated. By flexibly correcting the penetration speed, precise control of the penetration process can be achieved, ensuring that the pile body always maintains an ideal perpendicularity and angle during the penetration process, and further effectively improving the accuracy of the penetration perpendicularity and angle of the static drilling root-embedded pile.

[0113] Table 2 Comparison table of penetration perpendicularity and angle accuracy rates of different systems

[0114]

[0115] In order to verify the effectiveness of an auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile provided in this embodiment, multiple comparative experiments are conducted in this embodiment. Comparative experiments are carried out through System 1, System 2, and System 3 respectively. System 1 is an auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile provided in this embodiment; System 2 is without considering the correction of the penetration pressure on the basis of System 1; System 3 is without considering the correction of the penetration speed on the basis of System 1. The average values of the verticality and angle accuracy of the static drilling and root-embedded pile penetrating into the soil in multiple experiments are compared. The specific comparison results are shown in Table 2;

[0116] As can be seen from Table 2, an auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile proposed in this embodiment is superior to System 2 and System 3 in terms of verticality and angle accuracy, indicating that the auxiliary system for the penetration verticality and angle of a static drilling and root-embedded pile proposed in this embodiment has certain effectiveness.

[0117] In this embodiment, by measuring the penetration process data and soil measurement data in real time, the first verticality error is calculated. The first soil friction coefficient is calculated based on the soil measurement data, and the first soil frictional force is calculated according to the first soil friction coefficient, contact area, and penetration pressure; the first soil cohesion is obtained by analyzing using a linear regression model. Based on the first soil frictional force, the first soil cohesion, and the first verticality error, the first corrected penetration pressure is obtained; and the first corrected penetration speed is calculated according to the first corrected penetration pressure and the penetration speed. The present invention can effectively improve the accuracy of the penetration verticality and angle of the static drilling and root-embedded pile.

[0118] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary method for penetrating verticality and angle of static drill root piles, characterized in that: include: S10. Real-time measurement of the penetration process data and soil measurement data of the static drilling root pile, the penetration process data including the penetration speed, penetration pressure, contact area and static drilling root pile offset angle; the soil measurement data including soil shear stress, soil hardness, soil density and soil moisture content; S20. Obtaining a first verticality error according to the penetration process data; S30. According to the soil measurement data, a first soil friction coefficient is obtained; according to the first soil friction coefficient, the contact area and the penetration pressure, a first soil friction force is obtained; a linear regression model is constructed to analyze the soil cohesion to obtain a first soil cohesion force; according to the first soil friction force, the first soil cohesion force, the penetration pressure and the first verticality error, a first corrected penetration pressure is obtained; the first corrected penetration pressure is: ; in, represents the first modified penetration pressure; Indicates penetration pressure; represents the first verticality influencing factor; Indicates the first verticality error; Indicates the preset first verticality error; represents the first soil friction influencing factor; represents the first soil friction; represents the first soil cohesion influencing factor; It indicates the first soil cohesion; S40. Obtaining a first corrected penetration speed according to the penetration speed and the first corrected penetration pressure, so that the static drill rooted pile maintains an ideal verticality and angle during the penetration process; The first corrected penetration velocity is: ; in, represents the first corrected penetration velocity; Indicates penetration velocity; represents the first modified penetration pressure influence factor; Indicates the first corrected penetration pressure.

2. The auxiliary method for verticality and angle of static drilling root pile penetration according to claim 1, characterized in that: The penetration speed is obtained by a speed sensor; the penetration pressure is obtained by a pressure sensor; the static drilling root pile offset angle is obtained by a laser rangefinder; the soil shear stress is obtained by a stress sensor; the soil hardness is obtained by a hardness sensor; the soil density is measured by a densitometer; and the soil moisture content is measured by a soil moisture sensor.

3. The auxiliary method for verticality and angle of static drilling root pile penetration according to claim 1, characterized in that: The first soil friction coefficient is: ; in, represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influencing factor; represents soil shear stress; represents the reference soil shear stress; represents the soil hardness influencing factor; Indicates soil hardness; Indicates the reference soil hardness; represents the soil density influencing factor; Indicates soil density; represents the reference soil density; represents the influencing factor of soil moisture content; Indicates soil moisture content; Indicates the reference soil moisture content.

4. The auxiliary method for penetrating verticality and angle of static drilling root pile according to claim 1, characterized in that: The first soil friction force is obtained by multiplying the first soil friction coefficient, the contact area and the penetration pressure. The first soil friction force is specifically expressed as: ; in, represents the first soil friction force; represents the first soil friction coefficient; represents the contact area; Indicates penetration pressure.

5. The auxiliary method for penetrating verticality and angle of static drilling root pile according to claim 1, characterized in that: The first soil cohesion: ; in, represents the first soil cohesion; represents soil shear stress; Indicates soil density; Indicates soil moisture content; Indicates soil hardness; , , , and represents the regression coefficient.

6. An auxiliary system for the verticality and angle of static drilling root pile penetration, characterized by: The auxiliary system for the verticality and angle of static drilling root pile penetration comprises: A data measurement module is used to measure the penetration process data and soil measurement data of the static drill rooted pile in real time. The penetration process data includes the penetration speed, penetration pressure, contact area and the deviation angle of the static drill rooted pile; the soil measurement data includes soil shear stress, soil hardness, soil density and soil water content; An error analysis module, used for obtaining a first verticality error according to the penetration process data; A pressure correction module is used to obtain a first soil friction coefficient according to the soil measurement data; obtain a first soil friction force according to the first soil friction coefficient, the contact area and the penetration pressure; construct a linear regression model to analyze the soil cohesion to obtain a first soil cohesion; obtain a first corrected penetration pressure according to the first soil friction force, the first soil cohesion, the penetration pressure and the first verticality error; the first corrected penetration pressure is: ; in, represents the first modified penetration pressure; Indicates penetration pressure; represents the first verticality influencing factor; Indicates the first verticality error; Indicates the preset first verticality error; represents the first soil friction influencing factor; represents the first soil friction; represents the first soil cohesion influencing factor; It indicates the first soil cohesion; A speed correction module, used for obtaining a first corrected penetration speed according to the penetration speed and the first corrected penetration pressure, so that the static drill root pile maintains an ideal verticality and angle during the penetration process; The first corrected penetration velocity is: ; in, represents the first corrected penetration velocity; Indicates penetration velocity; represents the first modified penetration pressure influence factor; Indicates the first corrected penetration pressure.

7. The auxiliary system for verticality and angle of static drilling root pile penetration according to claim 6, characterized in that: The penetration speed is obtained by a speed sensor; the penetration pressure is obtained by a pressure sensor; the static drilling root pile offset angle is obtained by a laser rangefinder; the soil shear stress is obtained by a stress sensor; the soil hardness is obtained by a hardness sensor; the soil density is measured by a densitometer; and the soil moisture content is measured by a soil moisture sensor.

8. The auxiliary system for verticality and angle of static drilling root pile penetration according to claim 6, characterized in that: The first soil friction coefficient is: ; in, represents the first soil friction coefficient; represents the reference soil friction coefficient; represents the soil shear stress influencing factor; represents soil shear stress; represents the reference soil shear stress; represents the soil hardness influencing factor; Indicates soil hardness; Indicates the reference soil hardness; represents the soil density influencing factor; Indicates soil density; represents the reference soil density; represents the influencing factor of soil moisture content; Indicates soil moisture content; Indicates the reference soil moisture content.

Citation Information

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