Three-dimensional multi-index evaluation method and medium of wave-absorbing support technology

Abstract

The application discloses a three-dimensional multi-index evaluation method and medium for wave-absorbing support technology, and the method comprises the following steps: acquiring vibration velocity signals of wave-absorbing mortar-anchor rods in different directions; calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals; determining index values of the wave-absorbing mortar-anchor rods in different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient; and substituting the index values of the wave-absorbing mortar-anchor rods in different evaluation indexes into a preset evaluation formula to obtain evaluation values of the wave-absorbing mortar-anchor rods. The vibration velocity signals of the wave-absorbing mortar-anchor rods in different directions are considered, and the vibration characteristics of surrounding rocks under a true three-dimensional stress state and the damping effect of stress waves in the surrounding rocks are comprehensively analyzed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of active damping support, in particular to a three-dimensional multi-index evaluation method and medium for wave-absorbing support technology. BACKGROUND

[0002] The geological conditions of deep engineering are extremely complex and are faced with high ground stress and high excavation disturbance, etc., which leads to frequent disasters such as rock burst. After drilling and blasting excavation, the blasting stress wave propagates in the surrounding rock, and the surrounding rock in a high stress critical state is disturbed by the blasting wave, which is extremely easy to cause disasters and poses a great threat to the safety of personnel and equipment.

[0003] At present, the control technology for the purpose of anti-blast damping support in deep engineering mainly includes cut blasting for controlling the source of explosion and high-strength anti-impact support and steel arch support in surrounding rock. However, for deep hard rock engineering, cut blasting will affect the power of explosive blasting, making it difficult to achieve the purpose of blasting in high-stress hard rock; in deep engineering, there are not only blasting stress waves, but also seismic waves, rock burst waves and other construction disturbances, which are difficult to control; the cost of high-strength anti-impact support and steel arch support is extremely high, and the construction process is complicated, making it difficult to achieve wide application. Therefore, it is of great significance to develop an active wave-absorbing support technology with low cost, mature construction method, convenient construction and wide application prospect to reduce disasters caused by stress wave disturbance in deep engineering. The surrounding rock of deep engineering is mainly in a true three-dimensional stress state, and the current evaluation method for surrounding rock vibration mainly extends the shallow method, i.e., single analysis of the axial peak velocity of vibration, which cannot fully reflect the vibration characteristics of surrounding rock in a true three-dimensional stress state and the stress wave damping effect in the surrounding rock. SUMMARY

[0004] Therefore, it is necessary to propose a three-dimensional multi-index evaluation method and medium for wave-absorbing support technology to solve the technical problem that the existing technology cannot fully reflect the vibration characteristics of surrounding rock in a true three-dimensional stress state and the stress wave damping effect in the surrounding rock.

[0005] In a first aspect, a three-dimensional multi-index evaluation method for wave-absorbing support technology is provided, which comprises:

[0006] obtaining vibration velocity signals of the wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being an anchor for anchoring rock, which adopts wave-absorbing mortar and a hollow anchor;

[0007] calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals;

[0008] determining index values of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient.

[0009] The index value of the wave-absorbing mortar-anchor under different evaluation indexes is substituted into a preset evaluation formula to obtain an evaluation value of the wave-absorbing mortar-anchor.

[0010] Optionally, the step of obtaining the vibration velocity signals of the wave-absorbing mortar-anchor in different directions comprises:

[0011] The vibration velocity and acceleration signals of the wave-absorbing mortar-anchor are obtained by vibration sensors arranged on the wave-absorbing mortar-anchor and 0.5 m away from the wave-absorbing mortar-anchor;

[0012] The vibration velocity signals of the wave-absorbing mortar-anchor in different directions are obtained based on the vibration velocity and the acceleration signals.

[0013] Optionally, the attribute values include an absolute average value of the vibration velocity signal, a peak velocity, a root mean square value, a variance frequency and energy data of the Fourier transform of the vibration velocity signal, and the step of calculating the attribute values of the vibration velocity signals in each direction based on the vibration velocity signals comprises:

[0014] by

[0015] ;

[0016] ;

[0017] ;

[0018] ;

[0019] ;

[0020] The attribute values of the vibration velocity signals in each direction are calculated based on the vibration velocity signals, wherein, x i is the i-th collection point of the vibration velocity signal, y i is the vibration velocity signal amplitude of the i-th collection point in the vibration velocity signal, u i is the i-th frequency point in the vibration velocity signal, v i is the amplitude of the i-th frequency point in the vibration velocity signal, ABM is the absolute average value of the vibration velocity signal, PPV is the peak velocity, RMS is the root mean square value, VARFFT is the variance frequency of the Fourier transform of the vibration velocity signal, and ENG is the energy data.

[0021] Optionally, before the step of determining the index value of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute value and the preset tunnel radial correction coefficient, the method further comprises:

[0022] The axial direction of the tunnel is taken as the X direction, the horizontal direction of the tunnel is taken as the Y direction, and the vertical direction of the tunnel is taken as the Z direction. In the case of weakening in the Y direction and the Z direction, the preset tunnel radial correction coefficient is taken as zero.

[0023] When the vibration in the Y direction and the Z direction is emphasized, the preset tunnel radial correction coefficient is in the range of 0.1-1.1.

[0024] Optionally, the step of determining the index value of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute value and the preset tunnel radial correction coefficient comprises:

[0025] When the average speed is taken as the evaluation index, the index value of the wave-absorbing mortar-anchor when the average speed is taken as the evaluation index is determined based on the absolute average value of the vibration speed signal in the X direction in the attribute value, the absolute average value of the vibration speed signal in the Y direction in the attribute value, the absolute average value of the vibration speed signal in the Z direction in the attribute value, and the preset tunnel radial correction coefficient, by using a preset formula, and the mathematical representation of the preset formula is:

[0026]

[0027] wherein X ABM is the absolute average value of the vibration speed signal in the X direction in the attribute value, Y ABM is the absolute average value of the vibration speed signal in the Y direction in the attribute value, and Z ABM is the absolute average value of the vibration speed signal in the Z direction in the attribute value, α is the preset tunnel radial correction coefficient.

[0028] Optionally, the evaluation indexes include the absolute average speed, the peak speed, and the fluctuation degree, and the step of substituting the index value of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain the evaluation value of the wave-absorbing mortar-anchor further comprises:

[0029] The index value corresponding to the absolute average speed, the index value corresponding to the peak speed, and the index value corresponding to the fluctuation degree of the wave-absorbing mortar-anchor are substituted into a preset evaluation formula, and the mathematical representation of the preset evaluation formula is:

[0030]

[0031] The evaluation value of the wave-absorbing mortar-anchor is obtained, and the k is the maximum vibration speed value allowed by the surrounding rock of the tunnel section.gamma MAS is the index value corresponding to the absolute average speed ABM MAS is the index value corresponding to the absolute average speed PPV MAS is the index value corresponding to the peak speed RMS MAS is the index value corresponding to the fluctuation degree.

[0032] In a second aspect, the application provides a three-dimensional multi-index evaluation device for wave-absorbing support technology, comprising:

[0033] A data acquisition module is configured to acquire vibration speed signals of the wave-absorbing mortar-anchor in different directions, wherein the wave-absorbing mortar-anchor is an anchor rod for anchoring rock, which is formed by using wave-absorbing mortar and a hollow anchor rod.

[0034] A first calculation module is configured to calculate attribute values of the vibration speed signals in different directions based on the vibration speed signals.

[0035] A second calculation module is configured to determine index values of the wave-absorbing mortar-anchor in different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient.

[0036] A third calculation module is configured to substitute the index values of the wave-absorbing mortar-anchor in different evaluation indexes into a preset evaluation formula to obtain an evaluation value for the wave-absorbing mortar-anchor.

[0037] In a third aspect, a computer readable storage medium is provided, which stores a computer program, and the computer program is executed by a processor to implement the steps of the three-dimensional multi-index evaluation method for wave-absorbing support technology.

[0038] The application acquires vibration speed signals of the wave-absorbing mortar-anchor in different directions, wherein the wave-absorbing mortar-anchor is an anchor rod for anchoring rock, which is formed by using wave-absorbing mortar and a hollow anchor rod; attribute values of the vibration speed signals in different directions are calculated based on the vibration speed signals; index values of the wave-absorbing mortar-anchor in different evaluation indexes are determined based on the attribute values and a preset tunnel radial correction coefficient; and an evaluation value for the wave-absorbing mortar-anchor is obtained by substituting the index values of the wave-absorbing mortar-anchor in different evaluation indexes into a preset evaluation formula. The vibration speed signals of the wave-absorbing mortar-anchor in different directions are considered, and the vibration characteristics of surrounding rock and the stress wave damping effect inside the surrounding rock under a true three-dimensional stress state are more comprehensively analyzed. According to the relative sizes of the vibration signals in different directions, the final evaluation result is conveniently and specifically expressed. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative effort.

[0040] Wherein:

[0041] Figure 1 It is a schematic diagram of position data collection before and after the wave-absorbing support in an embodiment;

[0042] Figure 2 It is a flow chart of the three-dimensional multi-index evaluation method of the wave-absorbing support technology in an embodiment;

[0043] Figure 3 It is a structural block diagram of the three-dimensional multi-index evaluation device of the wave-absorbing support technology in an embodiment;

[0044] Figure 4 It is a structural block diagram of the computer device in an embodiment;

[0045] Figure 5 It is a structural block diagram of the computer device in another embodiment. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort fall within the scope of the present application.

[0047] The present application will be described in detail below through specific embodiments.

[0048] As shown in the drawings, Figure 1 The stress wave reaches the vibration sensor a through the stress wave propagation path, and the vibration sensor a records the stress size of the stress wave that has not passed through the wave-absorbing mortar-anchor. After the stress wave passes through the wave-absorbing mortar-anchor, it reaches the vibration sensor b, and the vibration sensor b records the stress size of the stress wave after passing through the wave-absorbing mortar-anchor. The wave-absorbing mortar-anchor is provided with a vibration sensor c, which is used to record the stress borne by the wave-absorbing mortar-anchor.

[0049] As shown in the drawings, Figure 2 Figure 2 It is a flow chart of the three-dimensional multi-index evaluation method of the wave-absorbing support technology provided in the embodiments of the present application, which comprises the following steps:​

[0050] S101, acquiring vibration velocity signals of the wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being an anchor for anchoring rock, which is formed by using wave-absorbing mortar and a hollow anchor rod;

[0051] S102, calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals;

[0052] S103, determining index values of the wave-absorbing mortar-anchor in different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient;

[0053] S104, substituting the index values of the wave-absorbing mortar-anchor in different evaluation indexes into a preset evaluation formula to obtain an evaluation value for the wave-absorbing mortar-anchor.

[0054] In a possible implementation, the step of acquiring the vibration velocity signals of the wave-absorbing mortar-anchor in different directions includes:

[0055] acquiring vibration velocity and acceleration signals of the wave-absorbing mortar-anchor by vibration sensors arranged on the wave-absorbing mortar-anchor and 0.5 m away from the wave-absorbing mortar-anchor;

[0056] acquiring the vibration velocity signals of the wave-absorbing mortar-anchor in different directions based on the vibration velocity and the acceleration signals.

[0057] In a possible implementation, the attribute values include absolute average values, peak values, root-mean-square values, Fourier-transformed variance frequencies and energy data of the vibration velocity signals, and the step of calculating the attribute values of the vibration velocity signals in each direction based on the vibration velocity signals includes:

[0058] by

[0059] ;

[0060] ;

[0061] ;

[0062] ;

[0063] ;

[0064] calculating the attribute values of the vibration velocity signals in each direction based on the vibration velocity signals, wherein, x i is the i-th acquisition point of the vibration velocity signals, y ia vibration velocity signal amplitude value of an i-th sampling point in the vibration velocity signal, u i a vibration velocity signal amplitude value of an i-th frequency point in the vibration velocity signal, v i a vibration velocity signal amplitude value of an i-th frequency point in the vibration velocity signal, ABM is an absolute average value of the vibration velocity signal, PPV is a peak value, RMS is a root mean square value, VARFRE is a variance frequency after Fourier transform of the vibration velocity signal, and ENG is an energy data.

[0065] For example, the ABM is an absolute average value of the vibration velocity signal for analyzing a whole size of the vibration signal, the PPV is a peak value for analyzing a maximum value of the vibration velocity signal, the RMS is a root mean square value for analyzing a severity of the vibration velocity signal, the VARFRE is a variance frequency after Fourier transform of the vibration velocity signal for analyzing a frequency domain dispersion degree, and the ENG is for analyzing an energy characteristic of the signal.

[0066] In a possible implementation, before the step of determining the index value of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute value and the preset tunnel radial correction coefficient, the method further includes:

[0067] The axial direction of the tunnel is taken as the X direction, the horizontal direction of the tunnel is taken as the Y direction, and the vertical direction of the tunnel is taken as the Z direction, and in the case of weakening in the Y direction and the Z direction, the preset tunnel radial correction coefficient is taken as zero.

[0068] When the Y direction and the Z direction vibrations are emphasized, the preset tunnel radial correction coefficient is in a range of 0.1-1.1.

[0069] In a possible implementation, the step of determining the index value of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute value and the preset tunnel radial correction coefficient includes:

[0070] When the average velocity is taken as the evaluation index, the index value of the wave-absorbing mortar-anchor when the average velocity is taken as the evaluation index is determined based on an absolute average value of the vibration velocity signal in the X direction in the attribute value, an absolute average value of the vibration velocity signal in the Y direction in the attribute value, an absolute average value of the vibration velocity signal in the Z direction in the attribute value, and the preset tunnel radial correction coefficient, by using a preset formula, and the preset formula is mathematically represented as:

[0071]

[0072] wherein, X ABM is the absolute average value of the vibration velocity signal in the X direction in the attribute value, Y ABM is the absolute average value of the vibration velocity signal in the Y direction in the attribute value, and Z ABMan absolute average value of a Z-direction vibration velocity signal in the attribute value, α a preset tunnel radial correction coefficient.

[0073] Optionally, the evaluation indexes include an absolute average velocity, a peak velocity, and a fluctuation degree, and the step of substituting the index values of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain an evaluation value of the wave-absorbing mortar-anchor further includes:

[0074] substituting the index value corresponding to the absolute average velocity, the index value corresponding to the peak velocity, and the index value corresponding to the fluctuation degree of the wave-absorbing mortar-anchor into a preset evaluation formula, the mathematical representation of the preset evaluation formula being:

[0075]

[0076] obtaining the evaluation value of the wave-absorbing mortar-anchor, the evaluation value being a function of the absolute average velocity, the peak velocity, and the fluctuation degree. k a maximum vibration velocity value allowed by surrounding rock in the tunnel section, gamma a severity term, MAS ABM the index value corresponding to the absolute average velocity, MAS PPV the index value corresponding to the peak velocity, MAS RMS the index value corresponding to the fluctuation degree.

[0077] In a possible implementation, a wave-absorbing mortar-anchor is composed of wave-absorbing mortar and hollow grouting anchor rod, anchor holes are set in areas where rock burst occurs more frequently or throughout the construction period according to microseismic monitoring and other technologies, the anchor holes are 40-70 mm according to support design selection, the wave-absorbing mortar and the hollow grouting anchor rod are used, anchoring grouting is performed in the anchor rod holes that have been installed, vibration sensors are arranged on the wave-absorbing mortar-anchor and 0.5 m before and after the arrangement position according to the experience of mortar-anchor arrangement spacing, the frequency should be no less than 2000 Hz, so as to collect vibration velocity and acceleration signals before and after the wave-absorbing mortar-anchor.

[0078] In a possible implementation, the present application provides a three-direction multi-index evaluation device for wave-absorbing support technology, the device comprising:

[0079] a data acquisition module 201 configured to acquire vibration velocity signals in different directions of a wave-absorbing mortar-anchor, the wave-absorbing mortar-anchor being an anchor rod for anchoring rock, which is composed of wave-absorbing mortar and hollow anchor rod;

[0080] a first calculation module 202 configured to calculate attribute values of the vibration velocity signals in different directions based on the vibration velocity signals;

[0081] The second calculation module 203 is configured to determine the index value of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute value and a preset tunnel radial correction coefficient.

[0082] The third calculation module 204 is configured to substitute the index value of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain an evaluation value of the wave-absorbing mortar-anchor.

[0083] In one embodiment, a computer device is provided, which can be a server, and an internal structure diagram of the computer device can be as shown in Figure 4 The computer device includes a processor, a memory, a network interface and a database connected through a system bus. The processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile and / or volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for running the operating system and the computer program in the non-volatile storage medium. The network interface of the computer device is configured to communicate with an external client through a network connection. The computer program is executed by the processor to implement the functions or steps of the server side of the three-dimensional multi-index evaluation method of the wave-absorbing support technology.

[0084] In one embodiment, a computer device is provided, which can be a client, and an internal structure diagram of the computer device can be as shown in Figure 5 The computer device includes a processor, a memory, a network interface, a display screen and an input device connected through a system bus. The processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for running the operating system and the computer program in the non-volatile storage medium. The network interface of the computer device is configured to communicate with an external server through a network connection. The computer program is executed by the processor to implement the functions or steps of the client side of the three-dimensional multi-index evaluation method of the wave-absorbing support technology.

[0085] In one embodiment, a computer device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing the following steps when executing the computer program: obtaining vibration velocity signals of a wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being an anchor rod for anchoring rock, which adopts wave-absorbing mortar and a hollow anchor rod; calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals; determining index values of the wave-absorbing mortar-anchor in different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient; and substituting the index values of the wave-absorbing mortar-anchor in different evaluation indexes into a preset evaluation formula to obtain an evaluation value for the wave-absorbing mortar-anchor.

[0086] In one embodiment, a computer readable storage medium is provided, which stores a computer program, the computer program implementing the following steps when executed by a processor: obtaining vibration velocity signals of a wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being an anchor rod for anchoring rock, which adopts wave-absorbing mortar and a hollow anchor rod; calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals; determining index values of the wave-absorbing mortar-anchor in different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient; and substituting the index values of the wave-absorbing mortar-anchor in different evaluation indexes into a preset evaluation formula to obtain an evaluation value for the wave-absorbing mortar-anchor.

[0087] It should be noted that the functions or steps that the computer readable storage medium or the computer device can implement correspond to the related descriptions of the server side and the client side in the foregoing method embodiments, and will not be described again here to avoid repetition.

[0088] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer readable storage medium, and when executed, can include the processes of the above-mentioned embodiment methods. Any reference to memory, storage, database or other medium used in the embodiments provided by the present application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0089] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above-mentioned functional units and modules is exemplified, and in actual application, the above-mentioned functions can be completed by different functional units and modules according to needs, that is, the internal structure of the device is divided into different functional units or modules to complete all or part of the functions described above.

[0090] The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, but not limit it. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. The modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A three-dimensional multi-index evaluation method of wave-absorbing support technology, characterized in that, The method comprises: obtaining vibration velocity signals of the wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being an anchor rod for anchoring rock, which is formed by using wave-absorbing mortar and a hollow anchor rod; calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals; taking the axial direction of the tunnel as the X direction, the horizontal direction of the tunnel as the Y direction, and the vertical direction of the tunnel as the Z direction, and taking the preset tunnel radial correction coefficient as zero in the case of weakening in the Y direction and the Z direction; when the Y direction and the Z direction vibration is emphasized, the value range of the preset tunnel radial correction coefficient is 0.1-1.1; determining index values of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute values and the preset tunnel radial correction coefficient, comprising: when the absolute average velocity is taken as the evaluation index, determining the index value of the wave-absorbing mortar-anchor when the absolute average velocity is taken as the evaluation index based on the vibration velocity signal absolute average value in the X direction, the vibration velocity signal absolute average value in the Y direction, the vibration velocity signal absolute average value in the Z direction, and the preset tunnel radial correction coefficient in the attribute values, through a preset formula, the mathematical representation of the preset formula is: Wherein, X ABM is the absolute average value of the vibration velocity signal in the X direction in the attribute value, Y ABM is the absolute average value of the vibration velocity signal in the Y direction in the attribute value, Z ABM is the absolute average value of the vibration velocity signal in the Z direction in the attribute value, α is a preset tunnel radial correction coefficient; substituting the index values of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain the evaluation value of the wave-absorbing mortar-anchor; the evaluation indexes include absolute average velocity, peak velocity, and fluctuation degree, and the step of substituting the index values of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain the evaluation value of the wave-absorbing mortar-anchor further comprises: substituting the index values corresponding to the absolute average velocity, the index values corresponding to the peak velocity, and the index values corresponding to the fluctuation degree of the wave-absorbing mortar-anchor into a preset evaluation formula, the mathematical representation of the preset evaluation formula is: an evaluation value for the wave-absorbing mortar-anchor is obtained, wherein k is the maximum vibration velocity value allowed for the surrounding rock of the tunnel section, γ is the severity item, MAS ABM is the index value corresponding to the absolute average velocity, MAS PPV is the index value corresponding to the peak velocity, MAS RMS is the index value corresponding to the fluctuation degree.

2. The three-dimensional multi-index evaluation method of wave-absorbing support technology according to claim 1, characterized in that, the step of obtaining the vibration velocity signals of the wave-absorbing mortar-anchor in different directions comprises: obtaining the vibration velocity and acceleration signals of the wave-absorbing mortar-anchor through a vibration sensor arranged on the wave-absorbing mortar-anchor at a distance of 0.5 m from the wave-absorbing mortar-anchor; obtaining the vibration velocity signals of the wave-absorbing mortar-anchor in different directions based on the vibration velocity and the acceleration signals.

3. The three-dimensional multi-index evaluation method of wave-absorbing support technology according to claim 1, characterized in that, the attribute values include vibration velocity signal absolute average value, peak velocity, root mean square value, frequency variance and energy data after Fourier transform of the vibration velocity signal, and the step of calculating the attribute values of the vibration velocity signals in each direction based on the vibration velocity signals comprises: through the following formula: ； ； ； ； ； calculating attribute values of the vibration velocity signal in each direction based on the vibration velocity signal, wherein x i is the time for the vibration velocity signal to pass through the i-th acquisition point, y i is the vibration velocity signal amplitude of the i-th acquisition point in the vibration velocity signal, u i is the frequency value of the i-th frequency point in the vibration velocity signal, v i is the amplitude corresponding to the frequency value of the i-th frequency point, ABM is the absolute average value of the vibration velocity signal, PPV is the peak value velocity, RMS is the root mean square value, FFTVAR is the frequency variance after Fourier transform of the vibration velocity signal, and ENG is the total energy data.

4. A three-dimensional multi-index evaluation device for wave-absorbing support technology, characterized in that, the device comprises: a data acquisition module for obtaining vibration velocity signals of the wave-absorbing mortar-anchor in different directions, the wave-absorbing mortar-anchor being formed by using wave-absorbing mortar and a hollow anchor rod to anchor rock; a first calculation module for calculating attribute values of the vibration velocity signals in each direction based on the vibration velocity signals, taking the axial direction of the tunnel as the X direction, the horizontal direction of the tunnel as the Y direction, and the vertical direction of the tunnel as the Z direction, and taking the preset tunnel radial correction coefficient as zero in the case of weakening in the Y direction and the Z direction; When the Y direction and Z direction vibrations are emphasized, the preset tunnel radial correction coefficient is in the range of 0.1-1.1; The second calculation module is configured to determine the index values of the wave-absorbing mortar-anchor under different evaluation indexes based on the attribute values and a preset tunnel radial correction coefficient, and includes: When the absolute average velocity is used as the evaluation index, the index value of the wave-absorbing mortar-anchor when the absolute average velocity is used as the evaluation index is determined based on the absolute average value of the X direction vibration velocity signal in the attribute values, the absolute average value of the Y direction vibration velocity signal in the attribute values, the absolute average value of the Z direction vibration velocity signal in the attribute values, and a preset tunnel radial correction coefficient, through a preset formula, and the mathematical representation of the preset formula is: Wherein, X ABM is the absolute average value of the vibration velocity signal in the X direction in the attribute value, Y ABM is the absolute average value of the vibration velocity signal in the Y direction in the attribute value, Z ABM is the absolute average value of the vibration velocity signal in the Z direction in the attribute value, α is a preset tunnel radial correction coefficient; The third calculation module is configured to substitute the index values of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain the evaluation value of the wave-absorbing mortar-anchor, and the evaluation indexes include the absolute average velocity, the peak velocity, and the fluctuation degree, and the step of substituting the index values of the wave-absorbing mortar-anchor under different evaluation indexes into a preset evaluation formula to obtain the evaluation value of the wave-absorbing mortar-anchor further includes: Substituting the index values of the wave-absorbing mortar-anchor corresponding to the absolute average velocity, the peak velocity, and the fluctuation degree into a preset evaluation formula, and the mathematical representation of the preset evaluation formula is: an evaluation value for the wave-absorbing mortar-anchor is obtained, wherein the k is the maximum vibration velocity value allowed for the surrounding rock of the tunnel section, γ is the severity item, MAS ABM is the index value corresponding to the absolute average velocity, MAS PPV is the index value corresponding to the peak velocity, MAS RMS is the index value corresponding to the fluctuation degree.

5. A computer device comprising a memory, a processor, and a computer program stored in the memory and capable of running on the processor, characterized in that, The processor executes the computer program to implement the steps of the three-direction multi-index evaluation method of the wave-absorbing support technology according to any one of claims 1-3.

6. A computer-readable storage medium storing a computer program, the computer program comprising instructions that, when executed by a computer, cause the computer to perform the method of any one of claims 1 to 5. The computer program is executed by the processor to implement the steps of the three-direction multi-index evaluation method of the wave-absorbing support technology according to any one of claims 1-3.

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