CN202153223U - Simulated loading and measurement system for complex deformation of geologic soft material - Google Patents
Simulated loading and measurement system for complex deformation of geologic soft material Download PDFInfo
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Abstract
The utility model provides a simulated loading and measurement system for the complex deformation of geologic soft material. The simulated loading and measurement system comprises a loading unit, a control unit and a deformation measurement unit, wherein, the loading unit is used for receiving signals of a control unit, performing loading operation to a tested test piece according to the signals and the results of the deformation measurement unit, and feeding the loading information to the control unit; the control unit is used for controlling the loading unit and the deformation measurement unit, and receiving the loading information fed by the loading unit and the surface deformation information of the test piece fed by the deformation measurement unit; and the deformation measurement unit is used for receiving the signals of the control unit, chronologically acquiring and analyzing the digital speckle images on the surface of the test piece, and feeding the deformation information of the surface of the test piece to the control unit according to the singles and the loading unit when the loading of the test piece is effected by the set displacement, The small-sized desktop simulated loading and measurement system for the complex deformation of the geologic soft material is realized, and the complex simulation and accurate quantitative measurement for the full deformation of the geologic soft material are realized conveniently.
Description
Technical Field
The utility model relates to a system for simulating loading and measuring deformation of geology softwood material especially relates to a simulation loading and measurement system to the complicated deformation of geology softwood material.
Background
The crustal rock is deformed and destroyed in a very complex way under the long-term action of the movement of the structure, and the process has two distinct characteristics: firstly, the action process is very long, and the action time is often measured in millions of years; secondly, the loading process is relatively complex, and the method belongs to multi-directional and time-varying unsteady loading. Under such complex actions, very complex deformations and fractures of the crust rock media occur. The understanding of the complex deformation process has important significance for the understanding of the formation mechanism of the geological structure, so that the complex deformation process is very important for various mineral products and oil and gas exploration, earthquake mechanism and prediction and the like. In the field of experimental research, to simulate such lengthy deformation processes, the deformation processes are often simulated and studied under laboratory conditions by slow loading of similar geological soft materials, according to similarity law guidelines. It is easy to think that in such similar material simulation studies, there are three key problems to be solved: firstly, multi-axis accurate loading of similar geological soft materials is realized in an experiment, time-varying control of a loading process is realized, and a stable loading process is accurately maintained within a period of time; secondly, realizing quantitative observation of the deformation process; and thirdly, collecting information in real time and feeding back the information.
In the existing research, a simple manual loading device is often adopted to load a simulation material, and then the deformation process is observed and described by naked eyes. The existing extensive experimental mode of manual loading does not meet the requirements of accuracy, complexity, repeatability and the like of scientific research on the aspects of accuracy, multi-axis, time variation, stability and long-term large amount of experiments. The existing mature loading equipment such as a Mechanical Testing and Simulation (MTS) testing machine can meet the requirement of accuracy, but the structure and the energy consumption of the existing loading equipment are large and are not suitable for long-term operation, a complex servo control system is needed, and the experiment capital requirement and the energy consumption cost are greatly increased. Therefore, how to solve the above three key problems and achieve the corresponding effects becomes the key content.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simulation loading and measurement system to the complicated deformation of geology softwood material, this system has solved and has failed in the experiment to multiaxis accurate loading, the controllable problem of time-varying and the quantitative observation scheduling problem of materials such as geology softwood material.
In order to solve the above problem, the utility model provides a simulation loading and measurement system to the complicated deformation of geology softwood material, wherein, include: the device comprises a loading unit, a control unit and a deformation measuring unit; wherein,
the loading unit is coupled with the control unit and used for receiving the signal of the control unit, performing loading operation on the tested test piece by matching with the deformation measuring unit according to the signal and feeding back loading information to the control unit;
the control unit is coupled with the loading unit and the deformation measuring unit and is used for controlling the loading unit and the deformation measuring unit, receiving loading information fed back by the loading unit and deformation information of the surface of the test piece fed back by the deformation measuring unit, and selecting proper loading rate and acquisition rate according to the above contents;
the deformation measuring unit is coupled with the control unit and used for receiving the signal of the control unit, acquiring digital speckle images of the surface of the test piece according to the time sequence when the signal is matched with the loading unit to load the test piece to be tested and the test piece is subjected to the action of specified displacement, analyzing the acquired speckle images and feeding back the deformation information of the surface of the test piece to the control unit.
Further, the utility model discloses a measurement system to complicated deformation of geological soft material, wherein, the loading unit includes: the loading device comprises two loading subunits with the same structure and vertical direction, a loading frame platform and four fixed ends; the two loading subunits with the same structure and vertical directions are connected with the loading frame platform, and the four fixed ends are arranged on the loading subunits.
Further, wherein the loading subcell comprises: the device comprises two side force plates, four stand columns, a self-locking electric push rod, an active pressure head, a passive pressure head and a sensor; the two side force plates are vertically connected with the four stand columns and are arranged at two ends of the four stand columns, meanwhile, one side force plate is provided with the self-locking electric push rod, the self-locking electric push rod is arranged in parallel with the four stand columns, the sensor is arranged on the other side force plate, and an active pressure head arranged at the end part of the self-locking electric push rod and a passive pressure head arranged on the sensor are positioned on the same straight line.
Further wherein the sensor comprises: a displacement sensor and a load sensor; the displacement sensor is arranged between an active pressure head and a passive pressure head on the lower portion of the electric push rod, the load sensor is arranged between the passive pressure head and the side force plate, and the active pressure head arranged at the end portion of the self-locking electric push rod and the passive pressure head arranged on the load sensor are located on the same straight line.
Further, wherein the deformation measuring unit includes: the CCD camera, the lens and the DSCM measurement and analysis module; the CCD camera is connected with the lens, the CCD camera and the lens are used for acquiring digital speckle images of the surface of the test piece in time sequence when the loading subunit loads the tested test piece and is subjected to the action of specified displacement, and the data line of the camera is used for transmitting the acquired digital speckle images to the DSCM measuring and analyzing module.
Further, wherein the control unit comprises: the device comprises a loading unit controller, an image acquisition trigger and a computer comprising the DSCM measurement analysis module; wherein,
the loading unit controller is connected with the computer and the image acquisition trigger and is used for receiving the indication of the computer, indicating the image acquisition trigger to operate according to the indication information to acquire a digital speckle image on the surface of the test piece, simultaneously sending a loading signal to the loading unit to load the tested test piece according to the indication information, then carrying out servo control on the loading unit according to the returned feedback signal, simultaneously recording the displacement and the data of the load sensor, and sending the data to the computer;
the image acquisition trigger is connected with the loading unit controller and used for receiving the instruction of the loading unit controller, and the CCD camera is started to acquire digital speckle images of the surface of the test piece according to the time sequence when the loading subunit loads the test piece to be tested and the test piece is subjected to the action of specified displacement;
the computer is connected with the loading unit controller and the image acquisition trigger and used for indicating the loading unit controller and the image acquisition trigger to load a tested test piece, receiving and storing loading information fed back by the loading unit controller and a digital speckle image acquired by the camera, dynamically displaying an analysis result, dynamically adjusting an image acquisition rate according to the dynamic analysis result, performing related matching calculation on the obtained digital speckle image through a DSCM (digital signal to charge modulation) measurement and analysis module in the computer to obtain deformation field information of the tested test piece, and storing the deformation field information into a complete data file for storage.
Further, the displacement sensor and the load sensor simultaneously record loading information in the loading process.
Further, the resolution of the measurement precision adopted by the displacement sensor is 0.001mm, and the measuring range is 40 mm.
Further, the resolution of the measurement accuracy adopted by the load sensor is 0.1N, and the measuring range is 10000N.
Further, the loading unit further comprises a cushion block arranged on each fixed end.
Compared with the prior art, the measurement system of the complicated deformation of geology softwood material have following characteristics:
1. the desktop small-sized system for simulating, loading and measuring complex deformation of the geological soft material is realized, automatic accurate loading of geological similar materials in long-time, double-shaft and complex time processes can be conveniently realized, quantitative accurate measurement of full-field deformation is realized, and a convenient and powerful experimental system is provided for researching the complex geological deformation process.
2. The self-locking electric push rod is adopted as displacement loading equipment, and the displacement loading is accurate, simple and low in energy consumption while the device is miniaturized.
3. A deformation measurement scheme of a digital speckle image correlation method based on deformation process data compensation is developed, and the system can be matched with a deformation measurement unit to complete full-field quantitative measurement of soft material complex deformation.
4. The loading unit of system combines with deformation measurement unit's organic, sets up image acquisition rate and dynamic adjustment's mode according to the loading process, has saved storage space and data processing time greatly.
Drawings
Fig. 1 is a block diagram of a simulation loading and measuring system for complex deformation of soft geological materials according to an embodiment of the present invention;
fig. 2 is a detailed structural diagram of a loading unit 1 in the system according to the first embodiment of the present invention;
fig. 3 is a side view of the loading subunit 11 according to the first embodiment of the present invention;
fig. 4 is a connection structure diagram of components in the system according to the first embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1, in order to simulate loading and measuring system for complex deformation of soft geological material according to the first embodiment of the present invention, the system comprises three units, namely a loading unit 1 (also referred to as a deformation simulation unit), a control unit 2 and a deformation measuring unit 3 (also referred to as an image acquisition and processing unit). The loading unit 1 aims to realize controllable and accurate loading of a tested test piece made of soft materials, realize loading of double shafts and any time-varying scheme, realize accurate and controllable loading process and stable speed, and can miniaturize a loading system. The control unit 2 is intended to effect control of the loading unit 1 and the deformation measuring unit 3. The deformation measuring unit 3 aims to realize quantitative observation of the deformation field, and adopts a DSCM method. The acquisition speed adjusting technology and the related algorithm based on deformation real-time analysis are adopted.
As shown in fig. 2, the first embodiment of the present invention provides a specific structure of a loading unit 1 in a system, wherein the loading unit 1 mainly includes: two loading subunits 11 with the same structure but vertical direction, a loading frame platform 12, four fixing ends 13 and cushion blocks on the four fixing ends. The two loading subunits 11 with the same structure but vertical direction are connected with the loading frame platform 12, the fixed end 13 is arranged on the loading subunit 11, and the fixed end 13 can also be provided with a cushion block, which is not shown in fig. 2 because the position of the cushion block is clear to those skilled in the art.
As shown in fig. 3, which is a side view of the loading subunit 11 in the first embodiment, the loading subunit 11 includes: two side force plates 111, four upright posts 112, a self-locking electric push rod 113, an active pressure head 114, a passive pressure head 115, a displacement sensor 116 and a load sensor 117. The two side force plates 111 are vertically connected with the four upright posts 112 and are arranged at two ends of the four upright posts 112, meanwhile, a self-locking electric push rod 113 is arranged on one side force plate 111, the self-locking electric push rod 113 is arranged in parallel with the four upright posts 112, the displacement sensor 116 and the load sensor 117 are arranged on the other side force plate 111, and an active pressure head 114 arranged at the end part of the self-locking electric push rod 113 and a passive pressure head 115 arranged on the load sensor 117 are in a straight line.
The specific work engineering of the load subcell 11 is: the main power source in the loading subunit 11 is a self-locking electric push rod 113, and when the loading subunit 11 starts to work, the self-locking electric push rod 113 on the loading subunit drives the active pressure head 114 to move towards the passive pressure head 115 in a displacement control manner according to the experimental requirements, so as to clamp the test piece therebetween and load the test piece. The displacement of the active ram 114 during the loading process is measured by the displacement sensor 116, and the load borne by the test piece to be measured is measured by the load sensor 117. The two loading subunits 11 have the same structure, and apply a test load to the same soft geological material test piece, and the opposite movement tracks of the corresponding two pairs of active indenters 114 and passive indenters 115 are vertical, or the direction of the test load applied by the two loading subunits 11 is vertical, so that bidirectional loading is realized.
The geological material atress condition in actual environment can generally be ascribed to two-way atress, consequently, the utility model discloses in exert the test load of two directions to geological soft material test piece simultaneously more be close to actual conditions than the test load who only applys a direction among the conventional ground prior art. The utility model discloses a self-locking electric putter 113 provide power and carry out the loading, and self-locking electric putter 113 can advance the propelling press head in succession with certain speed and remove as required, also can the auto-lock in order to keep the position. Thus, both load subunits can implement complex load and hold processes. The complex loading process of the geological soft material can be simulated. Auto-lock nature electric putter 113 in this embodiment can be in the stable position of maintaining under the condition that does not need power, and this characteristics make the utility model discloses when providing long-term stable loading, save the incessant regulation operation of conventional servo press when the displacement keeps, saved the energy consumption simultaneously when keeping displacement loading stability.
In addition, there are cases where the test load varies during the application of the test load to the test piece to be tested of a soft material, which may also cause the moving speed of the active ram 114 to vary, and therefore it is also necessary to apply a displacement sensor 116 having different measurement accuracy and a load sensor 117 having different measurement accuracy, which are provided on each of the loading sub-units. The specific accuracy difference of the two sensors depends on the actual measurement situation, and if a control circuit is adopted to select the two sensors, the selection can be carried out according to a preset moving speed threshold value z. For example, when the moving speed of the active ram 114 is greater than the threshold z, a sensor with low measurement accuracy is adopted, that is, the resolution of the measurement accuracy adopted by the load sensor is 0.1N, and the measuring range is 10000N; when the moving speed of the active ram 114 is less than or equal to the threshold z, a sensor with high measurement accuracy is adopted, that is, the measurement accuracy resolution adopted by the displacement sensor is 0.001mm, and the measuring range is 40 mm.
As shown in fig. 4, the deformation measuring unit 3 (also referred to as an image collecting and processing unit) is composed of a CCD (Charge-coupled Device) camera 31, a lens 32, and a DSCM digital speckle correlation method (within 33) measurement and analysis module; the CCD camera 31 is connected to the lens 32, the CCD camera 31 and the lens 32 are configured to acquire digital speckle images of the surface of the test piece in time sequence when the loading subunit 113 loads the test piece to be tested and receives a predetermined displacement, a data line of the lens 32 is configured to transmit the acquired digital speckle images to a DSCM measurement and analysis module 33 disposed in the computer 23 in the control unit 2, and the DSCM measurement and analysis module (in the computer 23) is configured to store the digital speckle images and control a collection state of the CCD camera 31. And the DSCM measurement and analysis module (23) performs relevant matching calculation on the obtained digital speckle images, and finally obtains deformation field information of the tested test piece. The basic principle of the DSCM is to match geometric points on digital speckle images of different states of the surface of an object, and track the movement of the points so as to obtain the deformation information of the surface of the object. At present, the existing DSCM focuses on the measurement of small deformation of a brittle material, and correspondingly, matching search algorithms in the DSCM are all directed at the small deformation condition. Therefore, it cannot be used for large deformation measurement of a test piece in the present system. The embodiment of the utility model provides a DSCM is a DSCM who is used for carrying out the continuous rigid body displacement compensation of large deformation measurement to the test piece that develops on current DSCM basis.
The speckle is to spray a color spot (also referred to as speckle) on the surface of the test piece in advance, and to continuously acquire digital images of the surface of the test piece (the surface on which the color spot is sprayed) while the test piece is deformed by the load.
The continuous rigid body displacement compensation DSCM is a DSCM that performs continuous rigid body displacement compensation based on continuity of captured images. In the test, if the image speckle images are continuously collected, the time interval of the shot images is generally short, the displacement difference between two adjacent images is small, and the images are generally positioned in the searching range of the traditional DSCM, so that the displacement value of each point on the previous image is selected as the compensation value of the matching searching initial position of each point on the next image to adjust the matching initial position of each calculation point, and the initial positions of all the calculation point matching searching are changed into the coordinate positions of the calculation points on the previous deformed image. And finally, searching the adjusted initial searching position by using a three-step or even two-step or one-step searching method to complete the matching search of the calculation point.
As shown in fig. 4, the control unit 2 includes: a loading unit controller 21, an image acquisition trigger 22 and a computer 23 comprising a DSCM measurement analysis module 33; wherein,
the loading unit controller 21 is configured to receive an instruction from the computer 23, instruct the image capturing trigger 22 to turn on the CCD camera 31 and the lens 32 according to the instruction information, so as to obtain digital speckle images of the surface of the test piece in time sequence when the loading subunit 113 loads the test piece to be tested and receives a predetermined displacement effect, send a loading signal to the loading unit 1 according to the instruction information to load the test piece to be tested, perform servo control on the loading unit 1 according to a returned feedback signal, record data of the displacement and load sensor 117 at the same time, and send the data to the computer 23;
the image acquisition trigger 22 is configured to receive an instruction from the loading unit controller 21, and turn on the CCD camera 31 to acquire digital speckle images of the surface of the test piece in time sequence when the loading subunit 113 loads the test piece to be tested and receives a predetermined displacement;
and the computer 23 is configured to instruct the loading unit controller 21 and the image acquisition trigger 22 to load the test piece to be tested in the loading unit 1, receive and store loading information fed back by the loading unit controller 21 and information of the acquired digital speckle images fed back by the camera 31, dynamically display an analysis result, dynamically adjust an image acquisition speed according to the dynamic analysis result, perform relevant matching calculation on the obtained digital speckle images through the DSCM measurement and analysis module (23), finally obtain deformation field information (the deformation field information includes data such as load, displacement, image, deformation and the like) of the test piece to be tested, and store the deformation field information in an integrated data file.
The utility model discloses after the structure preparation according to embodiment one is accomplished, carry out the concrete step of operating to the test piece of measurationing of geology soft materials class as follows:
firstly, spraying artificial speckles on an experimental test piece, and placing the test piece on a loading frame platform 12 between two pressure heads 114 and 115 on a loading subunit 11 in a loading unit 1;
secondly, the lens 32 in the distortion measuring unit 3 is mounted on the CCD camera 31, and the CCD camera 31 is connected to the computer 23 through a data line;
thirdly, the computer 23 on the control unit 2 adjusts the focal length and the aperture of the lens 32 in the deformation measuring unit 3 to obtain a clear image;
fourthly, as shown in fig. 3, the self-locking electric push rod 113 in the loading subunit 11 is operated to run through the computer 23 on the control unit 2 and the loading unit controller 21, and the self-locking electric push rod 113 pushes the active pressure head 114 to load the test piece;
fifthly, the loading unit controller 21 on the control unit 2 controls the loading speed of the active ram 114 in the loading sub-unit 11, and sets the acquisition rate of the CCD camera 31 in the distortion measuring unit 3 through the image acquisition trigger 22 and the computer 23 on the control unit 2, and stores the acquisition rate in the computer 23;
sixthly, the loading unit controller 21 on the control unit 2 loads the test piece and collects the image thereof according to the loading speed and the image collection rate in the previous step, and stores the test piece and the image collection rate in the computer 23;
seventhly, the computer 23 calculates the acquired digital speckle images of the surface of the test piece by using a newly developed continuous rigid body displacement compensation DSCM in a DSCM measurement and analysis module (23) to obtain deformation field information (the deformation field information comprises data such as load, displacement, images, deformation and the like) of the test piece to be tested.
Compared with the prior art, simulation loading and measurement system of the complicated deformation of geology softwood material, have following characteristics:
1. the desktop small-sized system for simulating, loading and measuring complex deformation of the geological soft material is realized, automatic accurate loading of geological similar materials in long-time, double-shaft and complex time processes can be conveniently realized, quantitative accurate measurement of full-field deformation is realized, and a convenient and powerful experimental system is provided for researching the complex geological deformation process.
2. The self-locking electric push rod is adopted as displacement loading equipment, and the displacement loading is accurate, simple and low in energy consumption while the device is miniaturized.
3. A deformation measurement scheme of a digital speckle image correlation method based on deformation process data compensation is developed, and the deformation measurement of soft materials can be completed by matching with a deformation measurement unit in the system.
4. The loading unit of system combines with deformation measurement unit's organic, sets up image acquisition rate and dynamic adjustment's mode according to the loading process, has saved storage space and data processing time greatly.
Of course, the present invention may have other embodiments, and those skilled in the art may make various changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. A system for analog loading and measurement of complex deformations of geological soft materials, comprising: the device comprises a loading unit, a control unit and a deformation measuring unit; wherein,
the loading unit is coupled with the control unit and used for receiving the signal of the control unit, performing loading operation on the tested test piece by matching with the deformation measuring unit according to the signal and feeding back loading information to the control unit;
the control unit is coupled with the loading unit and the deformation measuring unit and is used for controlling the loading unit and the deformation measuring unit, receiving the loading information fed back by the loading unit and the digital speckle image of the surface of the test piece fed back by the deformation measuring unit and acquiring the deformation field information of the test piece to be tested through the contents;
the deformation measuring unit is coupled with the control unit and used for receiving the signal of the control unit, acquiring digital speckle images of the surface of the test piece according to the time sequence when the signal is matched with the loading unit to load the test piece to be tested and the test piece is subjected to the action of specified displacement, analyzing the acquired speckle images and feeding back the deformation information of the surface of the test piece to the control unit.
2. The system for simulated loading and measurement of complex deformations of geological soft material according to claim 1, characterized in that said loading unit comprises: the device comprises two loading subunits with the same structure and vertical direction, a loading frame platform and four fixed ends; the two loading subunits with the same structure and vertical directions are connected with the loading frame platform, and the four fixed ends are arranged on the loading subunits.
3. The system of claim 1, wherein the loading sub-unit comprises: the device comprises two side force plates, four stand columns, a self-locking electric push rod, an active pressure head, a passive pressure head and a sensor; the two side force plates are vertically connected with the four stand columns and are arranged at two ends of the four stand columns, meanwhile, one side force plate is provided with the self-locking electric push rod, the self-locking electric push rod is arranged in parallel with the four stand columns, the sensor is arranged on the other side force plate, and an active pressure head arranged at the end part of the self-locking electric push rod and a passive pressure head arranged on the sensor are positioned on the same straight line.
4. The system of claim 3, wherein the sensor comprises: a displacement sensor and a load sensor; the displacement sensor is arranged between an active pressure head and a passive pressure head on the lower portion of the electric push rod, the load sensor is arranged between the passive pressure head and the side force plate, and the active pressure head arranged at the end portion of the self-locking electric push rod and the passive pressure head arranged on the load sensor are located on the same straight line.
5. The system for simulated loading and measurement of complex deformations of geological soft materials according to claim 4, characterized by the fact that said deformation measurement unit comprises: the CCD camera, the lens and the DSCM measurement and analysis module; the CCD camera is connected with the lens, the CCD camera and the lens are used for acquiring digital speckle images of the surface of the test piece in time sequence when the loading subunit loads the tested test piece and is subjected to the action of specified displacement, and the data line of the camera is used for transmitting the acquired digital speckle images to the DSCM measuring and analyzing module.
6. The system for simulated loading and measurement of complex deformations of geological soft materials according to claim 5, characterized by the fact that said control unit comprises: the device comprises a loading unit controller, an image acquisition trigger and a computer comprising the DSCM measurement analysis module; wherein,
the loading unit controller is connected with the computer and the image acquisition trigger and used for receiving the indication of the computer, indicating the image acquisition trigger to operate according to the indication information to acquire a digital speckle image on the surface of the test piece, simultaneously feeding back information to the loading unit according to the speckle field calculation result to adjust the loading rate of the test piece to be measured, then carrying out servo control on the loading unit according to the returned feedback signal, simultaneously recording displacement and load data and sending the data to the computer;
the image acquisition trigger is connected with the loading unit controller and used for receiving the instruction of the loading unit controller, and the CCD camera is started to acquire digital speckle images of the surface of the test piece according to the time sequence when the loading subunit loads the test piece to be tested and the test piece is subjected to the action of specified displacement;
the computer is connected with the loading unit controller and the image acquisition trigger and used for indicating the loading unit controller and the image acquisition trigger to load a tested test piece, receiving and storing loading information fed back by the loading unit controller and a digital speckle image acquired by the camera, dynamically displaying an analysis result, dynamically adjusting an image acquisition rate according to the dynamic analysis result, performing related matching calculation on the obtained digital speckle image through a DSCM (digital signal to charge modulation) measurement and analysis module in the computer to obtain deformation field information of the tested test piece, and storing the deformation field information into a complete data file for storage.
7. A system for simulating loading and measuring of complex deformations of soft geological materials according to claim 4, characterized by the fact that the loading process is recorded by both the displacement sensor and the load sensor.
8. The system of claim 7, wherein the displacement sensor is capable of measuring with a resolution of 0.001mm and a range of 40 mm.
9. The system of claim 7, wherein the load cell is capable of measuring with a resolution of 0.1N and a range of 10000N.
10. A system for simulating loading and measuring of complex deformations of soft geological materials according to claim 2, characterized by the fact that the loading unit further comprises a spacer on each fixed end.
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| CN102288124A (en) * | 2011-07-22 | 2011-12-21 | 中国地震局地质研究所 | System for simulating, loading and measuring complex deformation of geological soft material |
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| CN107422099A (en) * | 2017-08-20 | 2017-12-01 | 韩少鹏 | Surrouding rock deformation experimental provision and experimental method |
| CN107560944A (en) * | 2017-08-20 | 2018-01-09 | 韩少鹏 | A kind of surrouding rock deformation experiment detection method |
| CN109001038A (en) * | 2018-07-03 | 2018-12-14 | 上海隧道工程有限公司 | Section of jurisdiction load testing machine and method |
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2011
- 2011-07-22 CN CN2011202623795U patent/CN202153223U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288124A (en) * | 2011-07-22 | 2011-12-21 | 中国地震局地质研究所 | System for simulating, loading and measuring complex deformation of geological soft material |
| CN102288124B (en) * | 2011-07-22 | 2013-01-16 | 中国地震局地质研究所 | System for simulating, loading and measuring complex deformation of geological soft material |
| CN103869046A (en) * | 2014-04-08 | 2014-06-18 | 中国海洋大学 | Simulation and observation system for submarine landslide caused by natural gas hydrate decomposition |
| CN103869046B (en) * | 2014-04-08 | 2016-01-13 | 中国海洋大学 | The submarine slide simulation that gas hydrate dissociation causes and recording geometry |
| CN106855567A (en) * | 2017-01-23 | 2017-06-16 | 成都理工大学 | Chip flow model test method |
| CN106855567B (en) * | 2017-01-23 | 2019-02-22 | 成都理工大学 | Clast flow model test method |
| CN107422099A (en) * | 2017-08-20 | 2017-12-01 | 韩少鹏 | Surrouding rock deformation experimental provision and experimental method |
| CN107560944A (en) * | 2017-08-20 | 2018-01-09 | 韩少鹏 | A kind of surrouding rock deformation experiment detection method |
| CN107560944B (en) * | 2017-08-20 | 2019-12-10 | 武汉地质工程勘察院 | Geotechnical engineering surrounding rock deformation experiment detection method |
| CN107422099B (en) * | 2017-08-20 | 2020-01-03 | 徐州华信基础工程有限公司 | Geotechnical engineering surrounding rock deformation experimental device and experimental method |
| CN109001038A (en) * | 2018-07-03 | 2018-12-14 | 上海隧道工程有限公司 | Section of jurisdiction load testing machine and method |
| CN109001038B (en) * | 2018-07-03 | 2020-09-15 | 上海隧道工程有限公司 | Segment loading test device and method |
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