CN114878130A - Informationized ground disaster power protection comprehensive test platform - Google Patents
Informationized ground disaster power protection comprehensive test platform Download PDFInfo
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- CN114878130A CN114878130A CN202210801682.0A CN202210801682A CN114878130A CN 114878130 A CN114878130 A CN 114878130A CN 202210801682 A CN202210801682 A CN 202210801682A CN 114878130 A CN114878130 A CN 114878130A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The invention discloses an informationized ground disaster dynamic protection comprehensive test platform, which relates to the technical field of geological dynamic tests and geological disaster protection, and comprises a multifunctional test field and an informationized monitoring system, wherein the multifunctional test field is divided into a direct impact test area and an oblique impact test area and comprises a primary operation platform, a vertical wall surface, a secondary operation platform, an inclined slope surface and a tertiary operation platform; the high-energy-level load single-point direct impact and inclined impact tests and distributed load inclined impact tests such as debris flow, debris flow and rockfall groups can be developed; the information monitoring system comprises an unmanned aerial vehicle aerial measurement and control system, a non-contact testing and analyzing system and a contact testing and analyzing system; the test target comprises a passive net, an open shed tunnel, a guide net, a debris flow net, a cushion layer, a bridge pier and a station house; the test platform can realize scientific research or detection tests of various impact forms, various test targets and various impact loads, and complete and accurate test data as much as possible can be obtained from multiple dimensions by using various means.
Description
Technical Field
The invention relates to the technical field of geological dynamic tests and geological disaster protection, in particular to an informationized comprehensive test platform for geological disaster dynamic protection.
Background
Landslide, collapse, debris flow and the like are common geological disasters in mountainous areas, and serious threats are formed on traffic, life and property safety, so that great economic losses are caused. Particularly, high and steep slope geological disasters along Sichuan-Tibet railways and in southwest mountain areas cause large impact speed and high impact energy of disaster bodies, and the research and development of ultrahigh-performance flexible protection technology become urgent needs. The method is the most effective means for ensuring the technical safety and reliability by carrying out full-scale test on the protective products.
However, the current test methods have the following 4 problems: (1) insufficient impact capacity: the largest vertical impact capacity in rock falling impact test fields at home and abroad is 12000 kilojoules, and the existing test platform cannot meet the development and test requirements of a high-performance flexible protection system; (2) the impact mode is single: the guide net system has good dredging effect on rockfall groups and high interception success rate, and is increasingly applied to rockfall protection on high and steep slopes, but the current test bed mainly adopts impact body free falling body vertical impact, so that the impact test requirement of the guide net system cannot be met, and the development of comprehensive three-dimensional protection of cooperative protection of various protection systems is also restricted; (3) the impact load is single: in a high and steep slope geological disaster, the protection system may be impacted by different types of impact loads such as collapse falling rocks, shallow landslides, debris flows and the like, and the test platform is required to have test capability of various types of impact loads; (4) the data acquisition is difficult: at present, a contact type sensing technology is a main means for monitoring the performance of a flexible protective net system, but the contact type sensing technology has limitations and disadvantages in practical use due to high price, difficult installation and easy collision and damage in practical use; meanwhile, a targeted test method is needed for rockfall trajectory tracking and system large deformation monitoring; therefore, developing an information data acquisition method with stable signal and rapid information feedback is the key for developing such tests.
Therefore, designing a high-energy-level, multifunctional and informationized slope geological disaster impact test platform is an urgent need for overcoming the great geological disaster prevention and control, strengthening the leading edge of the foundation and high-end technical research, and has great use significance.
Disclosure of Invention
The invention provides an informationized comprehensive test platform for dynamic protection of ground disasters, which is formed by reforming a natural slope surface, integrates a direct impact test and an inclined impact test, and can be used for carrying out test tests on various impact protection systems of geological disasters such as rockfall, debris flow and the like, thereby being suitable for the impact tests of different disasters and different structures.
The invention discloses an informatization ground disaster power protection comprehensive test platform, which comprises a multifunctional test field and an informatization monitoring system;
the multifunctional test field comprises a direct impact test area and an oblique impact test area; the direct impact test area is used for carrying out a high-energy level concentrated load impact test and comprises a primary operation platform, a vertical wall surface and a secondary operation platform; the inclined impact test area is used for carrying out debris flow, debris flow and rockfall group distributed load impact tests and comprises a primary operation platform, an inclined slope surface and a tertiary operation platform;
the vertical wall surface is flush with the top of the inclined slope surface, the top of the inclined slope surface is a primary operating platform, a mast crane is arranged on the primary operating platform, and the mast crane is used as a releasing device of the impact load; the secondary operation platform is positioned below the vertical wall surface and is used for a data acquisition area of the direct impact test area and an installation area of part of test targets; excavating a guide groove at the edge of the inclined slope, wherein the guide groove is used for a fluid material guide groove and a concentrated load guide groove; the three-stage operation platform is positioned below the inclined slope surface and is used for a debris flow and debris flow impact load accumulation area or an installation area of a part of test targets; an observation platform is set up on the secondary operation platform and used for observing the impact test of the vertical test area on the front side; a factory building is built in the safe area of the three-stage operation platform, and the factory building is used for material stacking, component processing and component testing; the three operation platforms are communicated with a traffic road, and the traffic road is used for personnel movement and material transportation;
the information monitoring system is used for signal acquisition, data analysis and test target state evaluation.
Preferably, the vertical wall has a width of
And the requirement of the installation space of the passive net with the ultrahigh energy level is met:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the passive net comprises a support structure installation space and an anchoring space;
a margin mobile width for installing non-standard test targets or monitoring equipment;
the height of the vertical wall surface is
；
In the formula (I), the compound is shown in the specification,
the maximum buffer distance of the passive network;
the height required by the impact load free falling body is controlled by the required impact speed and impact energy;
the maximum release height of the mast crane;
the height is a surplus mobile height and is used for installing a non-standard test target or monitoring equipment or a buffer protection material;
permanent mark points are arranged on the vertical wall surface and the secondary operation platform and are respectively fixed on the vertical wall surface, the intersection line of the vertical wall surface and the secondary operation platform and used for restoring the three-dimensional track of the impact block; the punctuations on the vertical wall surface are distributed in the range of 30m above the secondary operation platform, the punctuations are distributed orthogonally, and the distance between the punctuations is not more than 1 m; the intersection line of the vertical wall surface and the secondary operation platform and the mark point on the secondary operation platform correspond to the orthogonal on the vertical wall surface, the distance is not less than 2m, the mark point is still in orthogonal arrangement, and the maximum distance between the mark point on the secondary operation platform and the intersection line is not less than 30 m; calibrating by using a total station after the position of the mark is fixed; when the test target is too large and exceeds the range of the punctuation envelope space, temporary punctuation can be set for restoring the three-dimensional track of the impact block;
slope of inclined slope
The angle is 60-70 degrees, and the protection environment of a high and steep side slope is simulated; width of inclined slope
Comprises the following steps:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the guide net comprises a support structure installation space and an anchoring space;
move for spareA width for mounting a non-standard test target or monitoring equipment;
the vertical height of the inclined slope surface is
：
In the formula (I), the compound is shown in the specification,
laying length for the guide net;
the height required for the impact load to roll off is controlled by the required impact speed;
the height is a surplus mobile height and is used for installing a non-standard test target or monitoring equipment or a buffer protection material;
at the vertical height difference of a primary operating platform
The inclined slope surface is provided with fixed abutments, and the distance between the abutments is 10m and is used as the mounting position of the support structure of the guide system.
Preferably, in the information monitoring system, the signal acquisition comprises the steps of obtaining an image signal and an infrared signal through an unmanned aerial vehicle, a high-speed camera and an infrared sensor, and obtaining an electric signal through a force sensor and a strain sensor;
analyzing the signals to obtain test data, which specifically comprises the following steps: in a concentrated load impact test, a high-speed camera image is analyzed by adopting a two-dimensional velocity amplitude distribution diagram flexible protection system deformation state overall process tracking method and a protection network system multi-point deformation extraction method based on feature point detection and matching, and load displacement and system deformation are analyzed, so that the velocity, acceleration and impact force of an impact load are obtained; in a large-scale test, analyzing a shot picture of the unmanned aerial vehicle by adopting a computer multi-view geometric principle to obtain time-displacement data of an impact load, and further obtaining dynamic data of the impact load; in the fluid impact test, the liquid level depth is calculated by transmitting and receiving time difference of infrared signals, and the liquid flow speed is analyzed by a high-speed camera shooting picture; in all structural impact resistance tests, electric signals obtained by a force sensor and a strain sensor are processed to obtain data of the internal force of the steel wire rope and the stress and strain of the supporting structure;
based on the test data obtained by the analysis, the working state of the test target is evaluated, and the evaluation dimension comprises: intercepting effect: impact load impact force, displacement, system state: structural deformation, internal forces.
Preferably, the concentrated load direct impact test implementation process comprises the following steps: the test is carried out in a direct impact test area, a test target is arranged on a vertical wall surface or a secondary operation platform, and the mast crane lifts the impact load to a required height; after the test system is in place, releasing the impact load to impact a test target; the integral deformation of an unmanned aerial vehicle monitoring system is adopted, the impacted part of the high-speed camera shooting key monitoring system with a plurality of angles is monitored, and the internal force of the steel wire rope is monitored by a tension sensor; and for the test that the deformation of the flexible shed tunnel supporting structure is small, a strain sensor is adopted to monitor the stress strain of the supporting structure.
Preferably, the concentrated load inclined impact test implementation process comprises the following steps: the test is carried out in an inclined impact test area, a test target is installed on an inclined slope surface or a three-stage operation platform, a block guide rail is additionally arranged on the inclined slope surface, the tail end of the block guide rail is adjusted to a required angle, and an impact load is installed on the block guide rail; and releasing the impact load to impact the test target after the test system is in place.
Preferably, the multipoint load impact test implementation process comprises the following steps: the test is carried out in an inclined impact test area, a test target is arranged on an inclined slope surface, and after the test system is in place, the impact load is released by a forklift; adopt many unmanned aerial vehicles monitoring impact load movement track, high-speed the key monitoring guide net opening section of making a video recording.
Preferably, the fluid load impact test implementation process comprises the following steps: the test is carried out in an inclined impact test area, a guide groove for fluid is arranged on an inclined slope surface, the top end of the guide groove for fluid is connected with a material collecting box, and an impact load is stored in the material collecting box; the test target is arranged on the inclined slope surface at the bottom end of the guide groove of the fluid; and after the test system is in place, opening a gate of the material collecting box to release the impact load.
The invention has the following beneficial effects: the test platform integrates two modes of vertical impact and inclined impact based on the in-situ field slope, integrates various impact loads such as single impact blocks, multi-mass groups, debris flows and the like, and can meet the impact test requirements of different structures such as a passive flexible protection system, a guide protection system, a shed tunnel, a railway engineering structure and the like. The test platform provided by the invention is easy to build, multifunctional and repeatable, and has important disaster prevention and reduction scientific values.
Drawings
Fig. 1 is a system composition of an informatization ground disaster power protection comprehensive test platform provided in the embodiment;
fig. 2 is a general schematic diagram of an informatization ground disaster power protection comprehensive test platform provided in the embodiment;
fig. 3 is a direct impact test area of the integrated test platform for power protection in an informatization land disaster provided in the embodiment;
fig. 4 is a schematic diagram of a straight impact test area punctuation setting of the informatization ground disaster power protection comprehensive test platform provided in the embodiment;
FIG. 5 is a slant impact test area of the integrated test platform for power protection in an informatization land disaster provided in the embodiment;
FIG. 6 is a schematic diagram of a concentrated load direct impact test arrangement of the integrated testing platform for power protection in an informationized ground disaster provided in the embodiment;
FIG. 7 is a schematic diagram of a concentrated load slant impact test arrangement of the integrated testing platform for power protection in an informationized ground disaster provided in the embodiment;
FIG. 8 is a schematic view of a multi-point load impact test arrangement of the integrated testing platform for power protection in an informationized ground disaster provided in the embodiment;
fig. 9 is a schematic fluid load impact test arrangement of the informatization ground disaster power protection comprehensive test platform provided in the embodiment.
Reference numerals: 1-first-level operation platform, 2-second-level operation platform, 3-third-level operation platform, 4-vertical wall surface, 5-inclined slope surface, 6-passive net, 7-guide net, 8-observation platform, 9-factory building, 10-impact load, 11-mark point, 12-guide groove, 13-block guide rail, 14-mast crane, 15-driving road and 16-shed tunnel.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Examples
As shown in fig. 1 and fig. 2, the embodiment provides an integrated testing platform for power protection in an informatization ground disaster, which includes a multifunctional testing field and an informatization monitoring system;
the multifunctional test field is formed by reforming a natural slope surface, and comprises a direct impact test area and an inclined impact test area; the direct impact test area is used for carrying out a high-energy level concentrated load impact test and comprises a primary operation platform 1, a vertical wall surface 4 and a secondary operation platform 2; the inclined impact test area is used for carrying out debris flow, debris flow and rockfall group distributed load impact tests and comprises a primary operation platform 1, an inclined slope surface 5 and a tertiary operation platform 3;
the vertical wall surface 4 is flush with the top of the inclined slope surface 5, the top of the inclined slope surface 5 is a primary operating platform 1, a mast crane 14 is arranged on the primary operating platform 1, and the mast crane 14 is used as a releasing device of the impact load 10; the secondary operation platform 2 is positioned below the vertical wall surface 4, and the secondary operation platform 2 is used for a data acquisition area of a direct impact test area and an installation area of a part of test targets; the edge of the inclined slope surface 5 is excavated with a guide groove 12, and the guide groove 12 is used for a fluid material guide groove and a concentrated load guide groove; the three-stage operation platform 3 is positioned below the inclined slope surface 5, and the three-stage operation platform 3 is used for a debris flow and debris flow impact load 10 accumulation area or a mounting area of a part of test targets; an observation platform 8 is set up on the secondary operation platform 2, and the observation platform 8 is used for observing the impact test of the vertical test area in the front; a factory building 9 is built in a safety area of the three-level operation platform 3, and the factory building 9 is used for material stacking, component processing and component testing; three operation platform UNICOM has traffic road 15, and traffic road 15 is used for personnel to remove and the material transportation.
As in fig. 3, straight impact test zone: the width of the vertical wall surface 4 is
And the requirement of the installation space of the ultra-high energy level passive net 6 is met:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the passive net 6 comprises a supporting structure installation space and an anchoring space, and is generally 75 m;
to make room for the maneuvering width for installing non-standard test targets or monitoring equipment, typically 5 m. Thus, the width of the vertical wall 4 is
Is 80 m;
the vertical wall surface 4 has a height of
，
In the formula (I), the compound is shown in the specification,
the maximum buffer distance of the passive network 6 is generally 15 m;
the test platform is designed to maximize the height required for free fall of the impact load 10, which is governed by the desired impact velocityAn impact velocity of 35m/s, therefore
Taking 62.5 m;
taking 20m as the maximum release height of the crane;
the height of the machine is left for installing non-standard test objects or monitoring equipment or buffer protection materials, and the height is generally 5 m. Thus, the vertical wall surface 4 has a height of
Take 65 m.
As shown in fig. 4, the vertical wall 4 and the secondary operation platform 2 are provided with permanent punctuations 11, which are respectively fixed at the intersection of the vertical wall 4 and the secondary operation platform 2, for restoring the three-dimensional trajectory of the impact block. The punctuations 11 on the vertical wall surface 4 are distributed in the range of more than 30m of the secondary operation platform 2, the punctuations 11 are distributed orthogonally, and the distance is not more than 1 m; the intersection line of the vertical wall surface 4 and the secondary operation platform 2 and the orthogonal correspondence between the punctuations 11 on the secondary operation platform 2 and the vertical wall surface 4 are not less than 2m in distance and still in orthogonal arrangement, and the maximum distance between the punctuations 11 on the secondary operation platform 2 and the intersection line is not less than 30 m. And after the position of the punctuation 11 is fixed, calibrating by using a total station. When the test target is too large and exceeds the envelope space range of the punctuation 11, the temporary punctuation 11 can be set for restoring the three-dimensional track of the impact block.
As in fig. 5, slant impact test zone: 5 slope of inclined slope surface
About 60-70 degrees, simulating the protective environment of the high and steep side slope; width of the inclined slope 5
Comprises the following steps:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the guide net 7 comprises a support structure installation space and an anchoring space, and is generally 50 m;
to make room for the maneuvering width for installing non-standard test targets or monitoring equipment, typically 5 m. Thus, the width of the inclined ramp 5
60m is taken.
The vertical height of the inclined slope surface 5 is
：
In the formula (I), the compound is shown in the specification,
the length of the guide net 7 is generally 50 m;
the height required for the impact load 10 to roll off, which is controlled by the required impact velocity, is designed to be 25m/s for the impact load 10, considering that the impact load 10 is subjected to friction when rolling off along a slope, the potential energy of which cannot be completely converted into kinetic energy, and therefore,
taking 40 m;
for providing a surplus of maneuvering height for mounting non-standard test targets or monitoring devicesThe material is prepared or buffered, and is generally 5 m. Thus, the vertical height of the inclined ramp 5
Take 90 m.
At the vertical height difference of a primary operating platform 1
The inclined slope surface 5 is provided with fixed abutments, and the distance between the abutments is 10m and is used as the mounting position of the support structure of the guide system.
The information monitoring system is used for signal acquisition, data analysis and test target state evaluation.
The signal acquisition comprises the steps of obtaining image signals and infrared signals in a non-contact mode through an unmanned aerial vehicle, a high-speed camera, an infrared sensor and the like, and obtaining electric signals through a contact method through a force sensor, a strain sensor and the like.
Analyzing the signals to obtain test data, which specifically comprises the following steps: in a concentrated load impact test, a high-speed camera image is analyzed by adopting a two-dimensional velocity amplitude distribution diagram flexible protection system deformation state overall process tracking method and a protection network system multi-point deformation extraction method based on feature point detection and matching, and load displacement and system deformation are analyzed, so that dynamic data such as velocity, acceleration, impact force and the like of an impact load 10 are obtained; in a large-scale test (such as an anti-impact test of the guide net 7), analyzing a shot picture of the unmanned aerial vehicle by adopting a computer multi-view geometrical principle to obtain time-displacement data of the impact load 10, and further obtaining dynamic data of the impact load 10; in the fluid impact test, the liquid level depth is calculated by transmitting and receiving time difference of infrared signals, and the liquid flow speed is analyzed by a high-speed camera shooting picture; in all the structure impact resistance tests, data such as the internal force of the steel wire rope, the stress strain of the supporting structure and the like are obtained by processing electric signals obtained by the force sensor and the strain sensor.
Based on the test data obtained by the analysis, the working state of the test target is evaluated, and the evaluation dimension comprises: interception effect (impact load 10 impact force, displacement), system state (structural deformation, internal force).
Utilize this platform, can develop multiple geological disasters and strike protection test:
(1) the concentrated load direct impact test implementation process comprises the following steps: referring to fig. 6, the test is performed in a direct impact test area, the test target is mounted on the vertical wall surface 4 or the secondary operation platform 2 (e.g., the passive net 6, the cantilever shed tunnel 16, etc. are mounted on the vertical wall surface 4, the shed tunnel 16, the bridge pier, etc. are mounted on the secondary operation platform 2), and the mast crane 14 lifts the impact load 10 (e.g., the reinforced concrete impact block) to a desired height. After the test system is in place, the impact load is released 10 to impact the test target. The integral deformation of an unmanned aerial vehicle monitoring system is adopted, the impacted part of the high-speed camera shooting key monitoring system with a plurality of angles is monitored, and the internal force of the steel wire rope is monitored by a tension sensor; for the test that the deformation of the supporting structures such as the flexible shed tunnel 16 is small, the stress and the strain of the supporting structures are monitored by adopting a strain sensor.
(2) The concentrated load inclined impact test implementation process comprises the following steps: as shown in fig. 7, the test is performed in the oblique impact test area, the test target is installed on the inclined slope surface 5 or the third-stage operation platform 3 (for example, the passive net 6, the overhanging shed tunnel 16 and the like are installed at the slope foot of the inclined slope surface 5, the shed tunnel 16, the bridge pier and the like are installed on the third-stage operation platform 3), the block guide rail 13 is additionally arranged on the inclined slope surface 5, the tail end of the block guide rail 13 is adjusted to a required angle, and the impact load 10 (for example, a reinforced concrete impact block) is installed on the block guide rail 13. After the test system is in place, the impact load is released 10 to impact the test target. In addition to the monitoring means in (1), an infrared speed sensor is additionally arranged at the tail end of the block guide rail 13 to monitor the speed of the impact load 10 at the tail end of the block guide rail 13.
(3) The multi-point load impact test implementation process comprises the following steps: as shown in fig. 8, the test is carried out in the inclined impact test area, the test target (mainly the guide net 7) is installed on the inclined slope surface 5, and after the test system is in place, the impact load 10 (such as a plurality of reinforced concrete and natural stone groups) is released by the forklift. Adopt many unmanned aerial vehicles monitoring impact load 10 motion trails, focus monitoring guide net 7 opening section makes a video recording at a high speed.
(4) Fluid load impact test implementation flow: referring to fig. 9, the test is carried out in the inclined impact test area, the fluid guide groove 12 is arranged on the inclined slope surface 5, the top end of the fluid guide groove 12 is connected with a material collecting box, and an impact load 10 (such as debris flow premixed body and debris flow premixed body) is stored in the material collecting box; the test target (such as a flexible mud-rock flow net and a flexible debris flow net) is arranged on the inclined slope surface 5 at the bottom end of the fluid guide groove 12; after the test system is in place, the bin gate is opened to release the impact load 10. In addition to the monitoring means in (1), a motion camera and an infrared sensor are used for monitoring the thickness and the speed of the liquid flow.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (7)
1. An information-based ground disaster power protection comprehensive test platform is characterized in that: the system comprises a multifunctional test field and an informatization monitoring system;
the multifunctional test field comprises a direct impact test area and an oblique impact test area; the direct impact test area is used for carrying out a high-energy level concentrated load impact test and comprises a primary operation platform (1), a vertical wall surface (4) and a secondary operation platform (2); the inclined impact test area is used for carrying out debris flow, debris flow and rockfall group distributed load impact tests and comprises a primary operation platform (1), an inclined slope surface (5) and a tertiary operation platform (3);
the vertical wall surface (4) is flush with the top of the inclined slope surface (5), the top of the inclined slope surface (5) is provided with a primary operating platform (1), the primary operating platform (1) is provided with a mast crane (14), and the mast crane (14) is used as a releasing device of the impact load (10); the secondary operation platform (2) is positioned below the vertical wall surface (4), and the secondary operation platform (2) is used for a data acquisition area of a direct impact test area and an installation area of a part of test targets; the edge of the inclined slope surface (5) is excavated into a guide groove (12), and the guide groove (12) is used for a fluid material guide groove and a concentrated load guide groove; the three-stage operation platform (3) is positioned below the inclined slope surface (5), and the three-stage operation platform (3) is used for a debris flow and debris flow impact load (10) accumulation area or a mounting area of a part of test targets; an observation platform (8) is built on the secondary operation platform (2), and the observation platform (8) is used for observing the impact test of the vertical test area in the front; a factory building (9) is built in a safety area of the three-level operation platform (3), and the factory building (9) is used for material stacking, component processing and component testing; the three operation platforms are communicated with a traffic road (15), and the traffic road (15) is used for personnel movement and material transportation;
the information monitoring system is used for signal acquisition, data analysis and test target state evaluation.
2. The integrated test platform for power protection of the informationized ground disaster according to claim 1, characterized in that: the width of the vertical wall surface (4) is
And the requirement of the installation space of the passive net (6) with ultrahigh energy level is met:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the passive net (6) comprises a support structure installation space and an anchoring space;
a margin mobile width for installing non-standard test targets or monitoring equipment;
the height of the vertical wall surface (4) is
；
permanent mark points (11) are arranged on the vertical wall surface (4) and the secondary operation platform (2) and are respectively fixed at the intersection line of the vertical wall surface (4) and the secondary operation platform (2) for restoring the three-dimensional track of the impact block; the punctuations on the vertical wall surface (4) are distributed in the range of 30m above the secondary operation platform, the punctuations (11) are distributed orthogonally, and the distance is not more than 1 m; the intersection line of the vertical wall surface (4) and the secondary operation platform (2) and the mark point (11) on the secondary operation platform (2) are orthogonal to the vertical wall surface (4), the distance is not less than 2m, the mark point and the mark point are still orthogonal, and the maximum distance between the mark point (11) on the secondary operation platform (2) and the intersection line is not less than 30 m; after the position of the mark point (11) is fixed, a total station is needed to be used for calibration; when the test target is too large and exceeds the envelope space range of the punctuation (11), a temporary punctuation (11) can be set for restoring the three-dimensional track of the impact block;
the slope of the inclined slope surface (5)
The angle is 60-70 degrees, and the protection environment of a high and steep side slope is simulated; width of inclined slope (5)
Comprises the following steps:
in the formula (I), the compound is shown in the specification,
the maximum installation width of the guide net (7) comprises a support structure installation space and an anchoring space;
a margin mobile width for installing non-standard test targets or monitoring equipment;
the vertical height of the inclined slope surface (5) is
：
In the formula (I), the compound is shown in the specification,
laying lengths for the guide net (7);
the height required for the impact load (10) to roll off is controlled by the required impact speed;
for providing additional manoeuvring height for mounting non-standardsA test target or monitoring device or cushioning protection material;
in the vertical height difference of a primary operation platform (1)
The inclined slope surface (5) is provided with fixed abutments, and the distance between the abutments is 10m and is used as the mounting position of the support structure of the guide system.
3. The integrated test platform for power protection of the informationized ground disaster according to claim 2, characterized in that: in the information monitoring system, signal acquisition comprises the steps of obtaining an image signal and an infrared signal through an unmanned aerial vehicle, a high-speed camera and an infrared sensor, and obtaining an electric signal through a force sensor and a strain sensor;
analyzing the signals to obtain test data, which specifically comprises the following steps: in a concentrated load impact test, a high-speed camera image is analyzed by adopting a two-dimensional velocity amplitude distribution diagram flexible protection system deformation state overall process tracking method and a protection network system multi-point deformation extraction method based on feature point detection and matching, and load displacement and system deformation are analyzed, so that the velocity, acceleration and impact force of an impact load (10) are obtained; in a large-scale test, the shot picture of the unmanned aerial vehicle is analyzed by adopting a computer multi-view geometric principle to obtain time-displacement data of the impact load (10), and further obtain dynamic data of the impact load (10); in the fluid impact test, the liquid level depth is calculated by transmitting and receiving time difference of infrared signals, and the liquid flow speed is analyzed by a high-speed camera shooting picture; in all structural impact resistance tests, electric signals obtained by a force sensor and a strain sensor are processed to obtain data of the internal force of the steel wire rope and the stress and strain of the supporting structure;
based on the test data obtained by the analysis, the working state of the test target is evaluated, and the evaluation dimension comprises: intercepting effect: impact load impact force, displacement, system state: structural deformation, internal forces.
4. The integrated test platform for informationized ground disaster power protection according to claim 3, characterized in that: the concentrated load direct impact test implementation process comprises the following steps: the test is carried out in a direct impact test area, a test target is arranged on a vertical wall surface (4) or a secondary operation platform (2), and a mast crane (14) lifts an impact load (10) to a required height; after the test system is in place, releasing the impact load (10) to impact a test target; the integral deformation of an unmanned aerial vehicle monitoring system is adopted, the impacted part of the high-speed camera shooting key monitoring system with a plurality of angles is monitored, and the internal force of the steel wire rope is monitored by a tension sensor; for the test that the deformation of the supporting structure of the flexible shed tunnel (16) is small, a strain sensor is adopted to monitor the stress and the strain of the supporting structure.
5. The integrated test platform for informationized ground disaster power protection according to claim 4, characterized in that: the concentrated load inclined impact test implementation process comprises the following steps: the test is carried out in an inclined impact test area, a test target is installed on an inclined slope surface (5) or a three-stage operation platform (3), a block guide rail (13) is additionally arranged on the inclined slope surface (5), the tail end of the block guide rail (13) is adjusted to a required angle, and an impact load (10) is installed on the block guide rail (13); after the test system is in place, the impact load (10) is released to impact the test target.
6. The integrated test platform for power protection of the informationized ground disaster according to claim 5, wherein: the multi-point load impact test implementation process comprises the following steps: the test is carried out in an inclined impact test area, a test target is arranged on an inclined slope surface (5), and after the test system is in place, the impact load (10) is released by a forklift; adopt many unmanned aerial vehicles monitoring impact load (10) motion trails, focus monitoring guide net (7) opening section is made a video recording at a high speed.
7. The integrated test platform for informationized ground disaster power protection according to claim 6, characterized in that: fluid load impact test implementation flow: the test is carried out in an inclined impact test area, a fluid guide groove (12) is arranged on an inclined slope surface (5), the top end of the fluid guide groove (12) is connected with a material collecting box, and an impact load (10) is stored in the material collecting box; the test target is arranged on an inclined slope surface (5) at the bottom end of the guide groove (12) of the fluid; after the test system is in place, the bin gate is opened to release the impact load (10).
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