CN119555489B - A shear test device and method for simulating the sea erosion of rock materials by seawater - Google Patents
A shear test device and method for simulating the sea erosion of rock materials by seawater Download PDFInfo
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- CN119555489B CN119555489B CN202510115201.4A CN202510115201A CN119555489B CN 119555489 B CN119555489 B CN 119555489B CN 202510115201 A CN202510115201 A CN 202510115201A CN 119555489 B CN119555489 B CN 119555489B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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Abstract
本发明提供一种模拟海水对岩石材料海蚀作用下的抗剪实验装置及方法，涉及抗剪强度测试装置技术领域，包括法向加压板、切向加压板、底板和压力检测侧板，所述底板升降滑动式安装于上部开口的海水模拟实验盒内，通过底板的升降使得抗剪实验块进入海水模拟实验盒或抗剪实验区内；海水模拟实验盒侧边和底部分别开设有模拟加压组件和进出水口，本发明能够充分模拟海洋岩石的日常状态，最大程度还原海洋环境下的不同变量对岩石抗剪强度的影响，整个模拟实验过程在一套装置内进行，无需进行模拟实验块的转移和模拟实验控制，并最终自主进行实验块的加压测试，减轻了实验人员工作负担的同时简化了结构，适合广泛推广。
The invention provides a shear test device and method for simulating the seawater erosion effect on rock materials, and relates to the technical field of shear strength test devices. The device comprises a normal pressure plate, a tangential pressure plate, a bottom plate and a pressure detection side plate. The bottom plate is installed in a seawater simulation test box with an upper opening in a lifting and sliding manner, and the shear test block enters the seawater simulation test box or the shear test area through the lifting and lowering of the bottom plate. The side and bottom of the seawater simulation test box are respectively provided with a simulation pressure component and a water inlet and outlet. The invention can fully simulate the daily state of marine rocks and restore the influence of different variables in the marine environment on the shear strength of rocks to the greatest extent. The entire simulation test process is carried out in a set of devices, without the need to transfer the simulation test blocks and the simulation test control, and finally the pressure test of the test blocks is carried out autonomously, which reduces the workload of the experimenters and simplifies the structure, and is suitable for wide promotion.
Description
Technical Field
The invention relates to the technical field of shear strength testing devices, in particular to a shear test device and method for simulating sea water under the sea corrosion action of sea water on rock materials.
Background
The direct shear apparatus comprises a rock sample clamping device, a normal direct shear mechanism and a tangential direct shear mechanism, wherein the rock sample clamping device comprises a first shear box and a second shear box which are arranged oppositely to each other so as to hold and clamp a rock sample, the normal direct shear mechanism is abutted against the first shear box so as to apply normal stress to the rock sample, the tangential direct shear mechanism is abutted against the second shear box and is axially perpendicular to the normal direct shear mechanism so as to apply tangential stress to the rock sample, a tangential stress adjusting device is arranged between the tangential direct shear mechanism and the second shear box, the tangential stress adjusting device is used for adjusting the tangential stress so as to test fault shearing characteristics of the rock sample under different tangential stresses, and the device is used for carrying out research on control of the shearing motion modes by controlling the shearing rigidity of equipment so as to obtain relevant fault motion rules under different tangential stresses.
However, the device has obvious defects in the use process that the device can only complete the direct shear pressurization test of the conventional rock mass, and the detection means cannot meet the pressurization test of the marine rock mass, so that the test has certain limitations.
Disclosure of Invention
The invention aims to provide a shearing test device and a shearing test method for simulating sea water under the sea corrosion action on rock materials, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The shear test device comprises a normal compression plate, a tangential compression plate, a bottom plate and a pressure detection side plate, wherein the normal compression plate, the tangential compression plate, the bottom plate and the pressure detection side plate are enclosed to form a shear test area, one sides of the normal compression plate and the tangential compression plate, which are far away from the shear test area, are respectively provided with a normal loading device and a tangential loading device correspondingly, and the tangential compression plate and the pressure detection side plate are arranged in a dislocation manner;
The bottom plate is installed in the seawater simulation experiment box with the upper opening in a lifting and sliding mode, the side edge of the seawater simulation experiment box is provided with a sealing plate in a sliding mode, when the sealing plate seals the upper opening of the seawater simulation experiment box, the seawater simulation experiment box is in a sealing state, a hydraulic telescopic cylinder is fixedly arranged below the seawater simulation experiment box, a telescopic arm of the hydraulic telescopic cylinder extends into the seawater simulation experiment box and is fixedly connected with the bottom plate, and the shearing experiment block enters the seawater simulation experiment box or the shearing experiment area through lifting and lowering of the bottom plate;
The bottom plate is also provided with through holes which are arranged in an array manner, the side edge and the bottom of the seawater simulation experiment box are respectively provided with a simulation pressurizing assembly and a water inlet and outlet, when the seawater simulation experiment box is in a sealed state, simulation pressurizing is carried out to the inside through the simulation loading assembly, and water injection and drainage operations are carried out to the inside of the seawater simulation experiment box through the water inlet and outlet.
Preferably, the normal loading device and the tangential loading device are hydraulic loading cylinders.
Preferably, the seawater simulation experiment box is fixedly arranged on the side plate, two ends of the side plate are fixedly provided with transverse plates, the hydraulic loading cylinder of the connecting normal pressurizing plate is fixedly arranged on the transverse plate at the upper part, and the hydraulic telescopic cylinder is fixedly arranged on the transverse plate at the bottom.
Preferably, the sealing plate is fixedly connected to the telescopic arm of the sealed hydraulic telescopic cylinder, and the fixed telescopic cylinder of the sealed hydraulic telescopic cylinder is fixedly arranged on the side edge of the seawater simulation experiment box.
Preferably, the tangential loading device connected with the tangential compression plate is fixedly installed on the lifting block, the lifting block is movably installed on the lifting frame, sliding rails for accommodating two sides of the lifting block are arranged on the lifting frame, a base is fixedly installed at the bottom of the lifting frame, a lifting driving telescopic cylinder is fixedly installed on the base, and a telescopic arm of the lifting driving telescopic cylinder is fixedly connected on the lifting block and drives the tangential compression plate to lift through lifting motion of the lifting driving telescopic cylinder.
Preferably, the simulation pressurizing assembly comprises a pressurizing cylinder, the pressurizing cylinder is communicated with the sea water simulation experiment box, a pressurizing piston plate is arranged in the pressurizing cylinder in a sliding manner, a pressurizing push plate is fixedly installed on one side, far away from the sea water simulation experiment box, of the pressurizing piston plate, when the tangential pressurizing plate is movably matched with the pressurizing push plate, the tangential pressurizing plate slides towards one side of the sea water simulation experiment box by pushing the pressurizing push plate so as to pressurize the interior of the tangential pressurizing plate, and an extruding spring is further installed in the pressurizing cylinder between the pressurizing piston plate and the sea water simulation experiment box.
The shear test method for simulating sea water under the sea corrosion action of the sea water on the rock material adopts the shear test device for simulating sea water under the sea corrosion action of the sea water on the rock material, and the shear test method comprises three test modes, namely a conventional loading test, a tide simulation test and a seabed pressurization simulation test.
Preferably, the method comprises the following steps in a conventional loading experiment mode:
step one, placing a shear test block to be tested on a bottom plate;
step two, a shearing test can be performed by surrounding the normal pressurizing plate, the tangential pressurizing plate, the bottom plate and the pressure detection side plate to form a shearing test area and performing tangential pressurizing through the tangential pressurizing plate;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Preferably, the method comprises the following steps in a tidal simulation experiment mode:
step one, placing a shear test block to be tested on a bottom plate;
Injecting quantitative seawater into the seawater simulation experiment box through the water inlet and outlet, setting the lifting interval time of the bottom plate so as to perform tidal simulation soaking on the compression test block placed on the bottom plate, and timing through a timer, wherein after the tidal simulation experiment is completed, the bottom plate rises under program control, and the shearing test is automatically completed;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Preferably, the method comprises the following steps under the seabed pressurization simulation experiment:
step one, placing a shear test block to be tested on a bottom plate;
Injecting quantitative seawater into the seawater simulation experiment box through the water inlet and outlet, controlling the lifting of the bottom plate to enable the shearing-resistant experiment block to be in a full-soaking state all the time, pressurizing the seawater simulation experiment box through the simulation pressurizing assembly at the moment, simulating pressurizing scenes of rocks with different depths on the seabed, timing through the timer, and after the seabed pressurizing simulation experiment is completed, lifting the bottom plate under program control and automatically completing the shearing-resistant test.
And thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Compared with the prior art, the invention has the beneficial effects that:
The invention can fully simulate the daily state of the ocean rock, furthest reduce the influence of different variables in the ocean environment on the shear strength of the rock, and the whole simulation experiment process is carried out in a set of device without transferring a simulation experiment block and controlling the simulation experiment, and finally, the pressurization test of the experiment block is carried out autonomously, thereby simplifying the structure while reducing the workload of experimenters and being suitable for wide popularization.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the pressurized state of the seawater simulation experiment box of the present invention;
FIG. 4 is a schematic view of the exposed liquid level of the shear test block of the present invention;
FIG. 5 is a schematic view of the shear test block of the present invention fully immersed in a liquid level surface;
in the figure, a normal pressurizing plate 1, a tangential pressurizing plate 2, a bottom plate 3, a pressure detection side plate 4, a sea water simulation experiment box 5, a sealing plate 6, a hydraulic telescopic cylinder 7, a through hole 8, a water inlet and outlet 9, a hydraulic loading cylinder 10, a side plate 11, a transverse plate 12, a sealing hydraulic telescopic cylinder 13, a 14 lifting block, a 15 lifting frame, a 16 sliding rail, a 17 base, a 18 lifting driving telescopic cylinder, a 19 pressurizing cylinder, a 20 pressurizing piston plate, a 21 pressurizing push plate, a 22 extruding spring and a 23 shearing-resistant experiment block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
embodiment one:
The shear test device comprises a normal pressurizing plate 1, a tangential pressurizing plate 2, a bottom plate 3 and a pressure detection side plate 4, wherein the normal pressurizing plate 1, the tangential pressurizing plate 2, the bottom plate 3 and the pressure detection side plate 4 are enclosed to form a shear test area, one sides of the normal pressurizing plate 1 and the tangential pressurizing plate 2 far away from the shear test area are respectively provided with a normal loading device and a tangential loading device correspondingly, and the tangential pressurizing plate 2 and the pressure detection side plate 4 are arranged in a dislocation manner;
The bottom plate 3 is installed in the seawater simulation experiment box 5 with the upper opening in a lifting and sliding mode, the side edge of the seawater simulation experiment box 5 is provided with the sealing plate 6 in a sliding mode, when the upper end opening of the seawater simulation experiment box 5 is closed by the sealing plate 6, the seawater simulation experiment box 5 is in a sealing state, the hydraulic telescopic cylinder 7 is fixedly arranged below the seawater simulation experiment box 5, the telescopic arm of the hydraulic telescopic cylinder 7 extends into the seawater simulation experiment box 5 and is fixedly connected with the bottom plate 3, and the shearing-resistant experiment block 23 enters the seawater simulation experiment box 5 or the shearing-resistant experiment area through the lifting and the falling of the bottom plate 3;
the bottom plate 3 is further provided with through holes 8 which are arranged in an array manner, the side edges and the bottom of the seawater simulation experiment box 5 are respectively provided with a simulation pressurizing assembly and a water inlet and outlet 9, when the seawater simulation experiment box 5 is in a sealed state, simulation pressurizing is carried out inwards through the simulation loading assembly, and water injection and drainage operations are carried out inside the seawater simulation experiment box 5 through the water inlet and outlet 9.
In this embodiment, a normal pressurizing plate 1, a tangential pressurizing plate 2, The bottom plate 3 and the pressure detecting side plate 4 are similar to those of the prior art in structure, except that the bottom plate 3 and the tangential pressurizing plate 2 in this embodiment function not only for performing direct shear test of rock, but also as a simulation experiment device of marine rock on the other hand, wherein the bottom plate 3 is provided in a sea water simulation experiment box 5 in a vertically movable manner, the shear test block 23 performs simulation of the marine environment according to the experiment needs before the direct shear experiment, the bottom plate 3 makes the shear test block 23 enter the sea water simulation experiment box 5 or the shear test area by the vertical movement, and when in the sea water simulation experiment box 5, the shear test block 23 performs the regulation of sea water soaking by the vertical movement of the bottom plate 3, which can simulate the soaking of rock at the time of rising and falling of sea water in the sea tide process, simultaneously, the all-weather soaking of sea water at the sea bottom to rock can be simulated, the sea water soaking process at different positions of sea can be simulated by the mode, meanwhile, a simulated pressurizing assembly is further arranged at the side edge of the sea water simulation experiment box 5, the sea water simulation experiment box 5 is pressurized by the simulated pressurizing assembly, so that the soaking pressure of sea water at different depths of the sea bottom is simulated, the simulation of sea rock environment is more comprehensively carried out, thereby providing experimental data which are more fit with the real environment for shearing-resistant experiments, wherein the simulated pressurizing assembly comprises a pressurizing cylinder 19, the pressurizing cylinder 19 is communicated with the inside of the sea water simulation experiment box 5, a pressurizing piston plate 20 is arranged in the pressurizing cylinder 19 in a sliding manner, a pressurizing push plate 21 is fixedly arranged at one side of the pressurizing piston plate 20 far away from the sea water simulation experiment box 5, when the tangential pressurizing plate 2 is movably matched with the pressurizing push plate 21, the tangential pressure plate 2 is pushed to slide towards one side of the seawater simulation experiment box 5 by pushing the pressure push plate 21 so as to carry out pressure operation inside the seawater simulation experiment box 5, an extrusion spring 22 is further arranged in a pressure cylinder 19 between the pressure piston plate 20 and the seawater simulation experiment box 5, a tangential loading device connected with the tangential pressure plate 2 is fixedly arranged on a lifting block 14, the lifting block 14 is movably arranged on a lifting frame 15, a sliding rail 16 for accommodating two sides of the lifting block 14 is arranged on the lifting frame 15, a base 17 is fixedly arranged at the bottom of the lifting frame 15, a lifting driving telescopic cylinder 18 is fixedly arranged on the base 17, a telescopic arm of the lifting driving telescopic cylinder 18 is fixedly connected on the lifting block 14, the lifting movement of the tangential pressure plate 2 is driven by the lifting movement of the lifting driving telescopic cylinder 18, the lifting adjustment of the tangential pressure plate 2 is realized by the cooperation of the devices, so that the tangential pressure plate is used as a direct shear device of the shear experiment block 23 on one hand, on the other hand, the pushing mechanism used as the simulation pressurizing assembly is the pushing mechanism of the simulation pressurizing assembly, in summary, the bottom plate 3 and the tangential pressurizing plate 2 in the embodiment realize other functions except direct shear, thereby simplifying the structure of the device, improving the integration level of the device, being capable of completely testing the shear strength of rocks in different environments of the ocean, being provided with a main control MCU driving module, being electrically connected with each electric driving element through the main control MCU driving module, the S3P7588XZZ-COC8 type 8 single chip microcomputer produced by Sanxingzhu is selected as the main control MCU driving module in the embodiment, thereby driving and controlling the movement of each assembly, experimenters only need to place the shear-resistant experimental block 23 on the bottom plate 3, setting the lifting interval time of the bottom plate 3 according to the requirement of the simulation environment, and the rest operation can be automatically carried out, the main control MCU driving module is electrically connected with the timer, when the timer reaches the simulation experiment time, the sealing plate 6 is opened under the control of the main control MCU driving module, the bottom plate 3 is lifted at the moment, and the pressing plate 1 is pressed normally, The tangential pressurization plate 2, the bottom plate 3 and the pressure detection side plate 4 enclose to form a shearing test area, the shearing test block 23 is limited in the shearing test area, and the shearing test block 23 is subjected to shearing strength test by loading of the tangential pressurization plate 2, and the opposite pressure detection side plate 4 is connected with the pressure detection device, so that data recording of the shearing strength is performed, an experimenter does not need to wait beside the device, and the experimental burden of the experimenter is greatly reduced.
Embodiment two:
The normal loading means and the tangential loading means are both hydraulic loading cylinders 10.
The seawater simulation experiment box 5 is fixedly arranged on the side plate 11, the two ends of the side plate 11 are fixedly provided with the transverse plates 12, the hydraulic loading cylinder 10 connected with the normal pressurizing plate 1 is fixedly arranged on the upper transverse plate 12, and the hydraulic telescopic cylinder 7 is fixedly arranged on the lower transverse plate 12.
The sealing plate 6 is also fixedly connected to a telescopic arm of the sealing hydraulic telescopic cylinder 13, and a fixed telescopic cylinder of the sealing hydraulic telescopic cylinder 13 is fixedly arranged on the side edge of the seawater simulation experiment box 5.
In this embodiment, the layout and driving mechanism of the corresponding mechanism are further improved and disclosed, and since the above-mentioned installation manner and driving manner are more common in the prior art, the description thereof will not be repeated here.
The shear test method for simulating sea water under the sea corrosion action of the sea water on the rock material adopts the shear test device for simulating sea water under the sea corrosion action of the sea water on the rock material, and the shear test method comprises three test modes, namely a conventional loading test, a tide simulation test and a seabed pressurization simulation test.
Preferably, the method comprises the following steps in a conventional loading experiment mode:
Firstly, placing a shear test block 23 to be tested on a bottom plate 3;
Step two, a shearing test can be performed by encircling the normal pressurizing plate 1, the tangential pressurizing plate 2, the bottom plate 3 and the pressure detection side plate 4 to form a shearing test area and performing tangential pressurizing through the tangential pressurizing plate 2;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Preferably, the method comprises the following steps in a tidal simulation experiment mode:
Firstly, placing a shear test block 23 to be tested on a bottom plate 3;
injecting quantitative seawater into the seawater simulation experiment box 5 through the water inlet and outlet port 9, performing tide simulation soaking on the compression test block placed on the bottom plate 3 by setting the lifting interval duration of the bottom plate 3, and timing through a timer, and after the tide simulation experiment is finished, lifting the bottom plate 3 under program control and automatically finishing the shearing test;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Preferably, the method comprises the following steps under the seabed pressurization simulation experiment:
Firstly, placing a shear test block 23 to be tested on a bottom plate 3;
and secondly, injecting quantitative seawater into the seawater simulation experiment box 5 through the water inlet and outlet port 9, controlling the lifting of the bottom plate 3 to enable the shearing-resistant experiment block 23 to be in a full-soaking state all the time, pressurizing the seawater simulation experiment box 5 through the simulation pressurizing assembly at the moment, simulating the pressurizing scenes of rocks with different depths of the seabed, timing through the timer, and after the seabed pressurizing simulation experiment is completed, lifting the bottom plate 3 under program control and automatically completing the shearing-resistant test.
And thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a simulation sea water is to shear test device under rock material sea corrosion effect, includes normal pressurization board, tangential pressurization board, bottom plate and pressure detection curb plate, normal pressurization board, tangential pressurization board, bottom plate and pressure detection curb plate enclose and close and form the shear test area, normal pressurization board and tangential pressurization board keep away from shear test area one side and correspond respectively and install normal loading device and tangential loading device, tangential pressurization board and pressure detection curb plate dislocation set, its characterized in that:
The bottom plate is installed in the seawater simulation experiment box with the upper opening in a lifting and sliding mode, the side edge of the seawater simulation experiment box is provided with a sealing plate in a sliding mode, when the sealing plate seals the upper opening of the seawater simulation experiment box, the seawater simulation experiment box is in a sealing state, a hydraulic telescopic cylinder is fixedly arranged below the seawater simulation experiment box, a telescopic arm of the hydraulic telescopic cylinder extends into the seawater simulation experiment box and is fixedly connected with the bottom plate, and the shearing experiment block enters the seawater simulation experiment box or the shearing experiment area through lifting and lowering of the bottom plate;
The bottom plate is also provided with through holes which are arranged in an array manner, the side edge and the bottom of the seawater simulation experiment box are respectively provided with a simulation pressurizing assembly and a water inlet and outlet, when the seawater simulation experiment box is in a sealed state, simulation pressurizing is carried out to the inside through the simulation loading assembly, and water injection and drainage operations are carried out to the inside of the seawater simulation experiment box through the water inlet and outlet.
2. The shear test device for simulating sea water under sea corrosion of rock materials of claim 1, wherein the normal loading device and the tangential loading device are hydraulic loading cylinders.
3. The shear test device for simulating sea water under the sea corrosion action on rock materials according to claim 2, wherein the sea water simulation test box is fixedly arranged on a side plate, transverse plates are fixedly arranged at two ends of the side plate, the hydraulic loading cylinder connected with the normal pressure plate is fixedly arranged on the upper transverse plate, and the hydraulic telescopic cylinder is fixedly arranged on the lower transverse plate.
4. The shearing test device for simulating sea water under the sea corrosion action of sea water on rock materials according to claim 1 or 3 is characterized in that the sealing plate is fixedly connected to a telescopic arm of a sealing hydraulic telescopic cylinder, and a fixed telescopic cylinder of the sealing hydraulic telescopic cylinder is fixedly arranged on the side edge of a sea water simulation test box.
5. The shear test device for simulating sea water under the sea corrosion action on rock materials of claim 4, wherein the tangential loading device connected with the tangential compression plate is fixedly arranged on a lifting block, the lifting block is movably arranged on a lifting frame, a sliding rail for accommodating two sides of the lifting block is arranged on the lifting frame, a base is fixedly arranged at the bottom of the lifting frame, a lifting driving telescopic cylinder is fixedly arranged on the base, and a telescopic arm of the lifting driving telescopic cylinder is fixedly connected to the lifting block, and the lifting motion of the lifting driving telescopic cylinder drives the tangential compression plate to perform lifting motion.
6. The shear test device for simulating sea water under sea corrosion of rock materials of claim 5, wherein the simulated pressurizing assembly comprises a pressurizing cylinder, the pressurizing cylinder is communicated with the inside of the sea water simulated experiment box, a pressurizing piston plate is arranged in the pressurizing cylinder in a sliding manner, a pressurizing push plate is fixedly arranged on one side, far away from the sea water simulated experiment box, of the pressurizing piston plate, when the tangential pressurizing plate is movably matched with the pressurizing push plate, the tangential pressurizing plate slides towards one side of the sea water simulated experiment box by pushing the pressurizing push plate so as to pressurize the inside of the pressurizing plate, and a pressing spring is arranged in the pressurizing cylinder between the pressurizing piston plate and the sea water simulated experiment box.
7. A shear test method for simulating sea water under the action of sea corrosion on rock materials, which adopts the shear test device for simulating sea water under the action of sea corrosion on rock materials according to any one of claims 1 to 6, and is characterized by comprising the following steps in a conventional loading test mode:
step one, placing a shear test block to be tested on a bottom plate;
step two, a shearing test can be performed by surrounding the normal pressurizing plate, the tangential pressurizing plate, the bottom plate and the pressure detection side plate to form a shearing test area and performing tangential pressurizing through the tangential pressurizing plate;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
8. A shear test method for simulating sea water under the sea corrosion action of rock materials, which adopts the shear test device for simulating sea water under the sea corrosion action of rock materials according to any one of claims 1 to 6, and is characterized by comprising the following steps in a tide simulation test mode:
step one, placing a shear test block to be tested on a bottom plate;
Injecting quantitative seawater into the seawater simulation experiment box through the water inlet and outlet, setting the lifting interval time of the bottom plate so as to perform tidal simulation soaking on the compression test block placed on the bottom plate, and timing through a timer, wherein after the tidal simulation experiment is completed, the bottom plate rises under program control, and the shearing test is automatically completed;
and thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
9. A shear test method for simulating sea water under the action of sea corrosion on rock materials, which adopts the shear test device for simulating sea water under the action of sea corrosion on rock materials according to any one of claims 1 to 6, and is characterized by comprising the following steps under the seabed pressurization simulation test:
step one, placing a shear test block to be tested on a bottom plate;
injecting quantitative seawater into the seawater simulation experiment box through the water inlet and outlet, controlling the lifting of the bottom plate to enable the shearing-resistant experiment block to be in a full-soaking state all the time, pressurizing the seawater simulation experiment box through the simulation pressurizing assembly at the moment, simulating the pressurizing scenes of rocks with different depths on the sea floor, timing through the timer, lifting the bottom plate under the control of a program after the seabed pressurizing simulation experiment is completed, and automatically completing the shearing-resistant test,
And thirdly, cleaning extruded and broken rock by a worker after the experiment is finished.
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| CN202510115201.4A CN119555489B (en) | 2025-01-24 | 2025-01-24 | A shear test device and method for simulating the sea erosion of rock materials by seawater |
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| CN202510115201.4A CN119555489B (en) | 2025-01-24 | 2025-01-24 | A shear test device and method for simulating the sea erosion of rock materials by seawater |
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| CN119198291A (en) * | 2024-09-26 | 2024-12-27 | 厦门大学 | A mechanical properties tester for soil under dry-wet or freeze-thaw cycle effects |
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