CN109979296A - Device, method applied to the test of major landslip stability three-dimensional physical simulation - Google Patents

Abstract

The invention discloses a kind of devices applied to the test of major landslip stability three-dimensional physical simulation, method, belong to the experimental test technical field in geological disaster, including frame work platform, model casing, rainfall mechanism, soil water pressure mechanism, displacement image acquisition mechanism, landslide slope control mechanism, automatic data collection analysis institution, soil water pressure mechanism includes earth pressure gauge, pore pressure gauge, volume of water moisture content inductor；Being displaced image acquisition mechanism includes three-dimensional laser scanner, vertical displacement measuring part, horizontal displacement monitoring component；Landslide slope control mechanism includes vertical load control motor, horizontal loading control motor, voltage stabilization and current stabilization digital control meter oil sources pumping plant, control sensor.Invention achieves can accurate simulation prototype seepage field, displacement field, stress field, under the conditions of available difference raininess, land movement of coming down in the effective depth of rainfall infiltration, landslide motion process, pore water pressure and stress field data technical effect.

Description

Device, method applied to the test of major landslip stability three-dimensional physical simulation

Technical field

The invention belongs to the experimental test technical field in geological disaster, in particular to a kind of major landslip that is applied to is stablized Property three-dimensional physical simulation test device, method.

Background technique

Landslide is one of natural calamity the most serious in nature, and it is great to often result in casualties, property loss etc. Disaster Event.The generation and rainfall on landslide have close relationship, and excessive rain, heavy rain tend to induce a large amount of landslides, many to come down Have the characteristics that " the big cunning of heavy rain, the small cunning of light rain ", the two has good consistency on time, space or somewhat has lag Property.The mechanism of rainfall induced landslide embodies a concentrated reflection of as under long-term rainfall and osmosis, rock mechanical intensity and shearing resistance are strong Degree changes, and slope balance wrecks and generates sliding.Landslide failure caused by heavy rainfall effect is lower occupies weight in China The status wanted, but to the Instability of rainfall induction major landslip and mechanism under the conditions of some of complex geologic structure, there is also some The problem situation unclear with understanding.

Estimation of stability for being applied to the technology of major landslip stability three-dimensional physical simulation test, on landslide In, the mechanism of rainfall induced landslide is complex, and the process of induced landslide includes " infiltrating " and " erosion ", and in different rain By force, under the conditions of different rainfall durations, landslide failure mechanism has larger difference.For different rainfall intensities and last induced landslide Mechanism study be mainly based upon numerical value calculate, numerical simulation and small size landslide physical analogy etc., it is sliding for large scale Landslide Disaster mechanism physical simulation experiment and correlation technique under the conditions of slope model, raininess automatic control and multi-state is also in spy Suo Zhong.Due to act on the formation mechenism of lower induced landslide for heavy rainfall and estimation of stability be carry out Landslide Stability prediction and The important means prevented and reduced natural disasters, the selection of relevant parameter and conceptual design lack in landslide stability evaluation and prevention and treatment design at present The scientific basis of few quantitative assessment, it is difficult to accurate simulation difference raininess and come down under the conditions of lasting intracorporal soil pressure, hole The parameters such as water pressure, displacement and stress fields can not study the quantitative law of rainfall induced landslide hysteresis quality.

In conclusion in the existing technology applied to the test of major landslip stability three-dimensional physical simulation, there is Due to it can not obtain different raininess under the conditions of, come down in the effective depth of rainfall infiltration, the motion process that comes down land movement, hole The selection of relevant parameter and scheme are set in water pressure and stress field data, caused landslide stability evaluation and prevention and treatment design The technical issues of meter is implemented, lacks quantitative data.

Summary of the invention

The technical problem to be solved by the present invention is to try in the existing major landslip stability three-dimensional physical simulation that is applied to In the technology tested, under the conditions of since different raininess can not be obtained, in the effective depth of rainfall infiltration, the motion process that comes down Come down land movement, pore water pressure and stress field data, related ginseng in caused landslide stability evaluation and prevention and treatment design Several selection and conceptual design, implementation, the technical issues of lacking quantitative data.

It is tried in order to solve the above technical problems, being applied to major landslip stability three-dimensional physical simulation the present invention provides one kind The device tested, the device applied to the test of major landslip stability three-dimensional physical simulation includes: frame work platform, described Frame work platform is provided with the first column, the second column, third column, the 4th column, first crossbeam, second cross beam, third Crossbeam, the 4th crossbeam, first longitudinal direction beam, second longitudinal direction beam, first column, second column, the third column, institute State that the 4th column is parallel to each other, the both ends of the first crossbeam are connect with first column, second column respectively, described First crossbeam and first column are perpendicular, and the both ends of the second cross beam are stood with first column, described second respectively Column connection, the second cross beam and first column are perpendicular, and the second cross beam and the first crossbeam are parallel, described The both ends of third crossbeam are connect with the third column and the 4th column respectively, the third crossbeam and the third column Perpendicular, the both ends of the 4th crossbeam are connect with the third column and the 4th column respectively, the 4th crossbeam and The third column is perpendicular, and the 4th crossbeam and the third crossbeam are parallel, the 4th crossbeam and first cross Beam is parallel, and the both ends of the first longitudinal direction beam are mutually clamped with the second cross beam and the 4th crossbeam respectively, and described second The both ends of longitudinal beam are mutually clamped with the second cross beam and the 4th crossbeam respectively；Model casing, the model casing are provided with One side, second side, third side, the 4th side, bottom surface, opening face and hollow portion, the first side are located at described the Between one column and second column, the second side is described between second column and the third column Between the third column and the 4th column, the 4th side is located at first column and described for third side Between 4th column, the hollow part is between the first side and the second side, and the hollow part is in described Between third side and the 4th side, the hollow part is between the bottom surface and the opening face, first side Between the third side and the 4th side, the second side is located at the third side and the 4th side in face Between face, Landslide Model is provided in the hollow portion, the Landslide Model is connected with the bottom surface；Rainfall mechanism, the drop Rain mechanism includes: water supply component, and the water supply component and running water pipe communicate；Feed water valve, the feed water valve and the water unit Part communicates, and the water supply component is between the feed water valve and the running water pipe；Rainfall sprinkler part, the rainfall sprinkling Component and the feed water valve communicate, and the feed water valve is between the rainfall sprinkler part and the water supply component, the drop Rain sprinkler part is arranged on the first longitudinal direction beam or the second longitudinal direction beam；Controller, the controller and the water supply Valve communicates, the feed water valve between the controller and the water supply component, the feed water valve be located at the controller and Between the rainfall sprinkler part；Host computer, the host computer and the controller communicate, and the controller is located at described upper Between machine and the feed water valve；Soil water pressure mechanism, the soil water pressure mechanism includes: earth pressure gauge, and the earth pressure gauge is set It sets in the Landslide Model；Pore pressure gauge, the pore pressure gauge are arranged in the Landslide Model；Volume of water contains Water rate inductor, the volume of water moisture content inductor are arranged in the Landslide Model；It is displaced image acquisition mechanism, institute's rheme Moving image acquisition mechanism includes: three-dimensional laser scanner, and three-dimensional laser scanner setting is in the second cross beam and described On 4th crossbeam；Vertical displacement measuring part, the vertical displacement measuring part include the first vertical deviation meter, the second vertical position Meter, third vertical deviation meter, the 4th vertical deviation meter are moved, the first vertical deviation meter, the second vertical deviation meter, third are vertical Displacement meter, the 4th vertical deviation meter are separately positioned on each corner point of the Landslide Model；Horizontal displacement monitoring component, the water It includes first level displacement meter, the second horizontal displacement meter, the first level displacement meter and described second that prosposition, which moves monitoring component, Horizontal displacement meter is separately positioned on the horizontal loading stress surface of the Landslide Model, and the horizontal loading stress surface is located at described the Between one horizontal displacement meter and the rainfall sprinkler part, the horizontal loading stress surface be located at second horizontal displacement meter and Between the rainfall sprinkler part；Come down slope control mechanism, and the landslide slope control mechanism includes: vertical load control electricity Machine, the vertical load control motor are arranged on the first longitudinal direction beam or second longitudinal direction beam；Horizontal loading controls motor, institute Horizontal loading control motor is stated to be arranged in the first crossbeam or the second cross beam or the third crossbeam or the described 4th On crossbeam；Voltage stabilization and current stabilization digital control meter oil sources pumping plant, the voltage stabilization and current stabilization digital control meter oil sources pumping plant respectively with the vertical lotus It carries control motor and horizontal loading control motor communicates；Sensor is controlled, the control sensor is provided with vertical load Sensor, horizontal load sensor, the vertical load sensor and vertical load control motor communicate, the horizontal load Lotus sensor and horizontal loading control motor communicate；Automatic data collection analysis institution, the automatic data collection analysis Mechanism is swept with the earth pressure gauge, the pore pressure gauge, the volume of water moisture content inductor, the three-dimensional laser respectively Retouch instrument, the first vertical deviation meter, the second vertical deviation meter, the third vertical deviation meter, the 4th vertical position Move meter, the first level displacement meter, second horizontal displacement meter, the vertical load sensor, the horizontal load pass Sensor communicates, with transmit vertical load parameter, horizontal load parameter, vertical displacement parameter, horizontal displacement parameter, soil pressure force value, Pore water pressure force value, volumetric water content value are into the automatic data collection analysis institution.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: described first Side, second side, third side, the 4th side are all transparent tempered glass.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: the rainfall Sprinkler part includes several groups sprinkler, and the rainfall range of sprinkler described in every group is from 0.1mm/min to 0.6mm/min.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: described first The vertical displacement measurement range of vertical deviation meter is from 0mm to 300mm, and the precision of the first vertical deviation meter is 0.3% F.S, 0.01 millimeter of the resolution of the first vertical deviation meter.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: described second The vertical displacement measurement range of vertical deviation meter is from 0mm to 300mm, and the precision of the second vertical deviation meter is 0.3% F.S, 0.01 millimeter of the resolution of the second vertical deviation meter.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: the third The vertical displacement measurement range of vertical deviation meter is from 0mm to 300mm, and the precision of the third vertical deviation meter is 0.3% F.S, 0.01 millimeter of the resolution of the third vertical deviation meter.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: the described 4th The vertical displacement measurement range of vertical deviation meter is from 0mm to 300mm, and the precision of the 4th vertical deviation meter is 0.3% F.S, 0.01 millimeter of resolution of the 4th vertical deviation meter.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: described first The horizontal displacement measurement range of horizontal displacement meter is from 0mm to 300mm, and the precision of the first level displacement meter is 0.3% F.S, the resolution of the first level displacement meter are 0.01 millimeter.

Further, the device applied to the test of major landslip stability three-dimensional physical simulation includes: described second The horizontal displacement measurement range of horizontal displacement meter is from 0mm to 300mm, and the precision of second horizontal displacement meter is 0.3% F.S, the resolution of second horizontal displacement meter are 0.01 millimeter.

Another aspect according to the present invention, the present invention also provides one kind to be applied to major landslip stability three dimensional physical mould The method of quasi- test, the method applied to the test of major landslip stability three-dimensional physical simulation includes: to build in model casing At Landslide Model；According to preset condition of raining, rainfall is carried out to the Landslide Model by rainfall mechanism；Pass through soil water pressure Earth pressure gauge, pore pressure gauge, volume of water moisture content inductor acquire soil pressure force value, the hole of the Landslide Model in mechanism Gap hydraulic pressure force value, volumetric water content value；Motor, horizontal loading control electricity are controlled by vertical load in the slope control mechanism of landslide Machine controls sensor to obtain vertical load parameter, the horizontal load parameter of the Landslide Model；By being displaced image harvester Three-dimensional laser scanner, vertical displacement measuring part, horizontal displacement monitoring component obtain the vertical of the Landslide Model in structure Displacement parameter, horizontal displacement parameter, and record the landslide destructive process of the Landslide Model；According to the soil pressure force value, described Pore water pressure force value, the volumetric water content value, the vertical load parameter, the horizontal load parameter, the vertical displacement Parameter, the horizontal displacement parameter, to draw soil pressure force curve, pore water pressure force curve, moisture content and displacement curve；According to institute The landslide for stating soil pressure force curve, the pore water pressure force curve, the moisture content, the displacement curve and the record is broken Bad process is reduced into the corresponding physical and mechanical parameter of prototype by the theory of similarity, to evaluate the stability on the landslide.

The utility model has the advantages that

The present invention provides a kind of device applied to the test of major landslip stability three-dimensional physical simulation, passes through Landslide Model The inside of model casing hollow portion is set, and the inside of frame work platform is arranged in model casing.In rainfall mechanism water supply component and Running water pipe is interconnected, and feed water valve and water supply component are interconnected, and rainfall sprinkler part and feed water valve are interconnected, controller It is interconnected with feed water valve, host computer and controller are interconnected, so that rainfall sprinkler part simulates not Landslide Model Same rainfall intensity.Earth pressure gauge, pore pressure gauge, volume of water moisture content inductor are separately positioned on cunning in soil water pressure mechanism The inside of slope model.The second cross beam and the of frame work platform is arranged in three-dimensional laser scanner in displacement image acquisition mechanism On four crossbeams, scanning storing data of fixed place and time is completed in displacement and side displacement monitoring to the landslide surface of Landslide Model. First vertical deviation meter, the second vertical deviation meter, third vertical deviation meter, the 4th vertical deviation meter in vertical displacement measuring part It is separately positioned on each corner point of Landslide Model, first level displacement meter and the second horizontal displacement meter are separately positioned on Landslide Model Horizontal loading stress surface.Vertical load control motor is arranged in first longitudinal direction beam or second longitudinal direction in the slope control mechanism that comes down Liang Shang, horizontal loading control motor and are arranged in first crossbeam or the second cross beam or the third crossbeam or the described 4th On crossbeam, voltage stabilization and current stabilization digital control meter oil sources pumping plant controls motor with vertical load respectively and horizontal loading control motor mutually interconnects It is logical；It controls vertical load sensor and vertical load control motor in sensor to be interconnected, horizontal load sensor and level Load controls motor and is interconnected.Due to automatic data collection analysis institution respectively with earth pressure gauge, pore pressure gauge, volume Water moisture content inductor, three-dimensional laser scanner, the first vertical deviation meter, the second vertical deviation meter, third vertical deviation meter, Four vertical deviation meters, first level displacement meter, the second horizontal displacement meter, vertical load sensor, horizontal load sensor are mutual Connection, then can by vertical load parameter, horizontal load parameter, vertical displacement parameter, horizontal displacement parameter, soil pressure force value, Pore water pressure force value, volumetric water content value are transferred in automatic data collection analysis institution.The monitoring of each monitoring point is recorded in this way Information is simultaneously analyzed, and record data are reduced into the corresponding physical and mechanical parameter of prototype by the theory of similarity, just can be to landslide Stability is evaluated.To reach can accurate simulation prototype seepage field, displacement field, stress field, available difference rain Under the conditions of strong, come down land movement, pore water pressure and stress number of fields in the effective depth of rainfall infiltration, the motion process that comes down According to, for landslide stability evaluation and prevention and treatment design in relevant parameter selection and conceptual design, implementation the skill of quantitative data is provided Art effect.

Detailed description of the invention

It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Overall structure diagram；

Fig. 2 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Schematic diagram；

Fig. 3 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention The schematic diagram of middle frame workbench；

Fig. 4 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention The schematic diagram of middle rainfall mechanism；

Fig. 5 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Landslide Stability coefficient changes over time figure under middle difference rainfall intensity；

Fig. 6 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Middle landslide different parts pore pressure changes over time figure；

Fig. 7 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Middle landslide displacement changes over time figure；

Fig. 8 is a kind of device applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Middle landslide soil pressure changes over time figure；

Fig. 9 is a kind of method applied to the test of major landslip stability three-dimensional physical simulation provided in an embodiment of the present invention Flow chart.

Specific embodiment

The invention discloses a kind of devices applied to the test of major landslip stability three-dimensional physical simulation, pass through the mould that comes down The inside of 200 hollow portion of model casing is arranged in type 210, and the inside of frame work platform 100 is arranged in model casing 200.Rain-dropping machine Water supply component 310 and running water pipe are interconnected in structure 300, and feed water valve 320 and water supply component 310 are interconnected, rainfall sprinkling Component 330 and feed water valve 320 are interconnected, and controller 340 and feed water valve 320 are interconnected, host computer 350 and controller 340 It is interconnected, so that rainfall sprinkler part 330 carries out Landslide Model 210 to simulate different rainfall intensities.Soil water pressure mechanism 400 Middle earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430 are separately positioned on the interior of Landslide Model 210 Portion.160 He of second cross beam of frame work platform 100 is arranged in three-dimensional laser scanner 510 in displacement image acquisition mechanism 500 On 4th crossbeam 180, scanning of fixed place and time is completed in displacement and side displacement monitoring to the landslide surface of Landslide Model 210 Storing data.First vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter in vertical displacement measuring part 522, the 4th vertical deviation meter 523 is separately positioned on each corner point of Landslide Model 210, first level displacement meter 530 and second Horizontal displacement meter 531 is separately positioned on the horizontal loading stress surface of Landslide Model 210.It is vertical in the slope control mechanism 600 that comes down Load controls motor 610 and is arranged on first longitudinal direction beam 190 or second longitudinal direction beam 191, and horizontal loading controls the setting of motor 620 and exists On first crossbeam 150 or the second cross beam 160 or the third crossbeam 170 or the 4th crossbeam 180, voltage stabilization and current stabilization Digital control meter oil sources pumping plant controls motor 610 with vertical load respectively and horizontal loading control motor 620 is interconnected；Control passes Vertical load sensor and vertical load control motor 610 are interconnected in sensor, horizontal load sensor and horizontal loading control Motor 620 processed is interconnected.Due to automatic data collection analysis institution 700 respectively with earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430, three-dimensional laser scanner 510, the first vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter 522, the 4th vertical deviation meter 523, first level displacement meter 530, the second horizontal displacement meter 531, Vertical load sensor, horizontal load sensor be interconnected, then can by vertical load parameter, horizontal load parameter, hang down Straight displacement parameter, horizontal displacement parameter, soil pressure force value, pore water pressure force value, volumetric water content value are transferred to automatic data collection In analysis institution 700.The monitoring information of each monitoring point is recorded in this way and is analyzed, and record data are reduced by the theory of similarity The corresponding physical and mechanical parameter of prototype, just can evaluate Landslide Stability.It being capable of accurate simulation prototype to reach Seepage field, displacement field, stress field, under the conditions of available difference raininess, in the effective depth of rainfall infiltration, landslide motion process Come down land movement, pore water pressure and stress field data, is the choosing of relevant parameter in landslide stability evaluation and prevention and treatment design It takes and provides the technical effect of quantitative data with conceptual design, implementation.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected Range；Wherein "and/or" keyword involved in this implementation, indicate and or two kinds of situations, in other words, the present invention implement A and/or B mentioned by example, illustrate two kinds of A and B, A or B situations, describe three kinds of states present in A and B, such as A and/or B, indicate: only including A does not include B；Only including B does not include A；Including A and B.

Meanwhile in the embodiment of the present invention, when component is referred to as " being fixed on " another component, it can be directly at another On component or there may also be components placed in the middle.When a component is considered as " connection " another component, it be can be directly It is connected to another component or may be simultaneously present component placed in the middle.When a component is considered as " being set to " another group Part, it, which can be, is set up directly on another component or may be simultaneously present component placed in the middle.Made in the embodiment of the present invention Term "vertical", "horizontal", "left" and "right" and similar statement are merely for purposes of illustration, and are not intended to The limitation present invention.

Embodiment one

Referring to Figure 1 and Fig. 2, Fig. 1 are provided in an embodiment of the present invention a kind of applied to major landslip stability three-dimensional article Manage the overall structure diagram of the device of simulation test；Fig. 2 is that the embodiment of the present invention provides one kind applied to major landslip stabilization Property three-dimensional physical simulation test device schematic diagram.The embodiment of the present invention provides a kind of three-dimensional applied to major landslip stability The device of physical simulation experiment, the device applied to the test of major landslip stability three-dimensional physical simulation includes frame work Platform 100, model casing 200, rainfall mechanism 300, soil water pressure mechanism 400, displacement image acquisition mechanism 500, landslide gradient control Mechanism 600 processed, automatic data collection analysis institution 700, now respectively to frame work platform 100, model casing 200, rainfall mechanism 300, soil water pressure mechanism 400, displacement image acquisition mechanism 500, landslide slope control mechanism 600, automatic data collection analysis Mechanism 700 carries out following detailed description:

For frame work platform 100:

The first column 110, the second column 120, third column 130, the 4th column has can be set in frame work platform 100 140, first crossbeam 150, second cross beam 160, third crossbeam 170, the 4th crossbeam 180, first longitudinal direction beam 190, second longitudinal direction beam 191, first column 110, second column 120, the third column 130, the 4th column 140 are parallel to each other, The both ends of the first crossbeam 150 are connect with first column 110, second column 120 respectively, the first crossbeam 150 and first column 110 it is perpendicular, the both ends of the second cross beam 160 respectively with first column 110, described The connection of two columns 120, the second cross beam 160 and first column 110 are perpendicular, the second cross beam 160 and described the One crossbeam 150 is parallel, and the both ends of the third crossbeam 170 connect with the third column 130 and the 4th column 140 respectively Connect, the third crossbeam 170 and the third column 130 are perpendicular, the both ends of the 4th crossbeam 180 respectively with the third Column 130 and the 4th column 140 connection, the 4th crossbeam 180 and the third column 130 are perpendicular, and the described 4th Crossbeam 180 and the third crossbeam 170 are parallel, and the 4th crossbeam 180 and the first crossbeam 150 are parallel, and described The both ends of one longitudinal beam 190 are clamped with the second cross beam 160 and 180 phase of the 4th crossbeam respectively, the second longitudinal direction beam 191 both ends are clamped with the second cross beam 160 and 180 phase of the 4th crossbeam respectively；

Fig. 3 is referred to, Fig. 3 is provided in an embodiment of the present invention a kind of applied to major landslip stability three-dimensional physical simulation The schematic diagram of frame workbench 100 in the device of test.Frame work platform 100 is whole can be rendered as rectangular shape, The length (i.e. the spacing of the first column 110 and the 4th column 140) of frame work platform 100 can be 450cm, and frame work is flat The width (i.e. the spacing of the first column 110 and the second column 120) of platform 100 can be 250cm, the height of frame work platform 100 Degree (i.e. the height of the first column 110) can be 320cm.The bearing system of frame work platform 100 can be by steel structure girder group System is born at load.It can be undertaken by the first column 110, the second column 120, third column 130, the 4th column 140 complete Portion's load undertakes whole load by 4 vertical girder steels (column).Can be supported on 4 vertical girder steels first crossbeam 150, Second cross beam 160, third crossbeam 170, the 4th crossbeam 180, first longitudinal direction beam 190, second longitudinal direction beam 191 come so that frame work Make platform 100 as a rectangle framework, i.e., supports 4 crossbeams and 2 longitudinal beams (on being referred to as on 4 root posts Beam).Can by by the both ends of first longitudinal direction beam 190 respectively with the mutually clamping of second cross beam 160 and the 4th crossbeam 180 (such as Fixed with bolt screw), the both ends of second longitudinal direction beam 191 are mutually clamped (example with second cross beam 160 and the 4th crossbeam 180 respectively Such as fixed with bolt screw) so that upper beam is that can move up and down formula.

For model casing 200:

Model casing 200 can be set first side, second side, third side, the 4th side, bottom surface, opening face and Hollow portion, between first column 110 and second column 120, the second side is located at the first side Between second column 120 and the third column 130, the third side is located at the third column 130 and described Between four columns 140, the 4th side is between first column 110 and the 4th column 140, the hollow portion Between the first side and the second side, the hollow part in the third side and the 4th side it Between, between the bottom surface and the opening face, the first side is located at the third side and described for the hollow part Between 4th side, the second side is between the third side and the 4th side, setting in the hollow portion There is Landslide Model 210, the Landslide Model 210 is connected with the bottom surface.Wherein, the first side, second side, third side Face, the 4th side are all transparent tempered glass.

Continuing with referring to Fig. 1, model casing 200 can refer to 210 casees 200 systems of Landslide Model.Landslide Model 210 casees 200 System can be fixed on said frame workbench 100, and the length of model casing 200 can be 350cm (i.e. first side and The spacing of three sides), the width of model casing 200 can be 200cm (i.e. the width of first side), highest point in model casing 200 Height can be 200cm, the height of lowest part can be 120cm in model casing 200, and the surrounding of model casing 200 can be Landslide Model 210 has can be set in bright tempered glass, the inside of model casing 200.It may be equipped in the inside of model casing 200 Real system is hit in the sample preparation of complete set.Hitting real system mainly includes compaction test apparatus and one piece of wood block filler.

For rainfall mechanism 300:

Rainfall mechanism 300 may include water supply component 310, feed water valve 320, rainfall sprinkler part 330, controller 340, on Position machine 350.Water supply component 310 and running water pipe are interconnected；Feed water valve 320 and the water supply component 310 are interconnected, described Water supply component 310 is between the feed water valve 320 and the running water pipe；Rainfall sprinkler part 330 and the feed water valve 320 It is interconnected, the feed water valve 320 is between the rainfall sprinkler part 330 and the water supply component 310, the rainfall spray Component 330 is spilt to be arranged on the first longitudinal direction beam 190 or the second longitudinal direction beam 191.Wherein, the rainfall sprinkler part 330 include several groups sprinkler, and the rainfall range of sprinkler described in every group is from 0.1mm/min to 0.6mm/min.Controller 340 and the feed water valve 320 be interconnected, the feed water valve 320 be located at the controller 340 and the water supply component 310 it Between, the feed water valve 320 is between the controller 340 and the rainfall sprinkler part 330；Host computer 350 and the control Device 340 processed is interconnected, and the controller 340 is between the host computer 350 and the feed water valve 320.

Continuing with referring to fig. 4, Fig. 4 is provided in an embodiment of the present invention a kind of applied to major landslip stability three dimensional physical The schematic diagram of rainfall mechanism 300 in the device of simulation test.Rainfall mechanism 300 can refer to rainfall control system, rainfall mechanism 300 can be using superposition spray-type rainfall, it can by control valve, carries out the adjusting of rainfall intensity, can also pass through spray Uniform rainfall is realized in head combination, and for different rainfall intensities and under the conditions of lasting, the Stability Evaluation of slip mass provides foundation. Rainfall mechanism 300 may include water system (i.e. water supply component 310), rainfall sprinkling system (i.e. rainfall sprinkler part 330), control The parts such as device 340, host computer 350 and software processed, 0.1-0.6mm/ may be implemented in every group of sprinkler in rainfall sprinkler part 330 The rainfall of min quantitatively controls.Water system can be connected with running water pipe, and rainfall insufflation showerhead can be fixed on frame work On the stringer of platform 100.Feed water valve 320, controller 340, host computer 350 and software can be sequentially connected, to monitor rainfall Amount.The main operational principle of rainfall mechanism 300, which can be, to be first passed through water system tap water is pressurizeed, after flowing through voltage-stabiliser tube later It is sprayed from rainfall sprinkling system, simulates natural precipitation.Rainfall intensity mainly passes through controller 340, host computer 350 and software control System.The uniformity and range of rainfall can be realized by the combination of spray head.

For soil water pressure mechanism 400:

Soil water pressure mechanism 400 includes earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430. Earth pressure gauge 410 is arranged in the Landslide Model 210；Pore pressure gauge 420 is arranged in the Landslide Model 210；Body Ponding moisture content inductor 430 is arranged in the Landslide Model 210.

Continuing with referring to Fig. 1, soil water pressure mechanism 400 can refer to that soil water pressure monitors system, soil water pressure mechanism 400 It may include earth pressure gauge 410, pore pressure gauge 420, volume of water moisture control system (i.e. volume of water moisture content inductor 430) the hardware composition such as, and earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430 can be successively It is connected.Earth pressure gauge 410, pore pressure gauge 420, volume of water moisture sensor can be fixed in Landslide Model 210, be led to It crosses soil water pressure monitoring system and automatic data collection analysis system is connected with each other.It can be installed in cunning according to specific needs The 210 each position in inside of slope model.

Meanwhile earth pressure gauge 410 can be used for the soil pressure force value measurement of Landslide Model 210.Pore pressure gauge 420 is (i.e. Pore water pressure sensor) it can be used for measuring the pore water pressure force value of 210 monitoring point of Landslide Model.The induction of volume of water moisture content Device 430 (i.e. volume water sensor) can measure the water cut value of 210 monitoring point of Landslide Model.Earth pressure gauge 410 can be passed through It measures cloth to set up an office soil pressure value, constructs the stress field and its variation characteristic of slip mass in different time sections；Pass through pore water pressure 420 measurement of meter, obtains cloth and sets up an office water pressure value, construct the seepage field and its variation characteristic of slip mass in different time sections；Pass through Cloth sets up an office volume of water measurement of water ratio, obtains different time sections and comes down change of moisture content feature, different according to above data analysis The process that changes on period landslide.

For being displaced image acquisition mechanism 500:

Being displaced image acquisition mechanism 500 may include three-dimensional laser scanner 510, vertical displacement measuring part, horizontal position Move monitoring component.Three-dimensional laser scanner 510 is arranged on the second cross beam 160 and the 4th crossbeam 180；Vertical displacement Measuring part includes the first vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter 522, the 4th vertical position Move meter 523, the first vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter 522, the 4th vertical position Move each corner point that meter 523 is separately positioned on the Landslide Model 210；Horizontal displacement monitoring component includes first level displacement meter 530, the second horizontal displacement meter 531, the first level displacement meter 530 and second horizontal displacement meter 531 are separately positioned on The horizontal loading stress surface of the Landslide Model 210, the horizontal loading stress surface are located at 530 He of first level displacement meter Between the rainfall sprinkler part 330, the horizontal loading stress surface is located at second horizontal displacement meter 531 and the rainfall Between sprinkler part 330.

Wherein, the vertical displacement measurement range of the first vertical deviation meter 520 is from 0mm to 300mm, and described first hangs down Precision to displacement meter 520 is 0.3%F.S, 0.01 millimeter of resolution of the first vertical deviation meter 520.Described second hangs down It is from 0mm to 300mm to the vertical displacement measurement range of displacement meter 521, the precision of the second vertical deviation meter 521 is 0.3%F.S, 0.01 millimeter of resolution of the second vertical deviation meter 521.The vertical position of the third vertical deviation meter 522 Shift measurement range is from 0mm to 300mm, and the precision of the third vertical deviation meter 522 is 0.3%F.S, the vertical position of third 0.01 millimeter of resolution for moving meter 522.The vertical displacement measurement range of the 4th vertical deviation meter 523 be from 0mm to The precision of 300mm, the 4th vertical deviation meter 523 are 0.3%F.S, the resolution 0.01 of the 4th vertical deviation meter 523 Millimeter.The horizontal displacement measurement range of the first level displacement meter 530 is the first level displacement meter from 0mm to 300mm 530 precision is 0.3%F.S, and the resolution of the first level displacement meter 530 is 0.01 millimeter.Second horizontal displacement The horizontal displacement measurement range of meter 531 is from 0mm to 300mm, and the precision of second horizontal displacement meter 531 is 0.3%F.S, The resolution of second horizontal displacement meter 531 is 0.01 millimeter.

Continuing with referring to Fig. 1, displacement real time scan system can be referred to by being displaced image acquisition mechanism 500, and displacement image is adopted Collecting mechanism 500 may include three-dimensional laser scanner 510, vertical displacement measuring system (i.e. vertical displacement measuring part), level 3 parts such as system for monitoring displacement 550 (i.e. horizontal displacement monitoring component) composition, wherein three-dimensional laser scanner 510 can be laid It in the left side frame of the top of frame work platform 100, realizes to landslide surface displacement and side displacement monitoring, it is fixed to complete Point timing scan storing data, and determine displacement process.Vertical displacement monitoring point can be laid in landslide quadrangle (i.e. landslide mould Each corner point of type 210), data by sensor transmissions to computer and can store.Horizontal displacement monitoring point can be laid in The other end of horizontal loads plane, data are by sensor transmissions to computer and store, then by computer to displacement data into Row analyzes figure.It can be acquired in real time using lateral and front twocouese high resolution image and vertical, horizontal displacement measures, It is accurate to obtain landslide displacement variation, and then analysis of landslide destructive process.

For the slope control mechanism 600 that comes down:

The slope control mechanism 600 that comes down includes that vertical load controls motor 610, horizontal loading controls motor 620, pressure stabilizing is steady Flow digital control meter oil sources pumping plant, control sensor.Vertical load controls motor 610 and is arranged in the first longitudinal direction beam 190 or the On two longitudinal beams 191；Horizontal loading controls motor 620 and is arranged in the first crossbeam 150 or the second cross beam 160 or institute It states on third crossbeam 170 or the 4th crossbeam 180；Voltage stabilization and current stabilization digital control meter oil sources pumping plant respectively with the vertical load It controls motor 610 and horizontal loading control motor 620 is interconnected；Control sensor be provided with vertical load sensor, Horizontal load sensor, the vertical load sensor and vertical load control motor 610 are interconnected, the horizontal load Lotus sensor and horizontal loading control motor 620 are interconnected；

Continuing with referring to Fig. 1, the slope control mechanism 600 that comes down can refer to landslide slope control system, gradient control of coming down System processed can be located at the outside of frame work platform 100, can have load transducer, and analyze with automatic data collection System is connected.The slope control mechanism 600 that comes down can be by the high-precision voltage stabilizing current stabilization numerical control meter of 50kN vertical servo motor control Measure oil sources pumping plant, sensor (i.e. control sensor) composition；The lasting accuracy of vertical load can be 0.5%F.S；Vertical oil pressure Control can be adjusted separately (every channel maximum can connect the synchronous operation of 4 oil cylinders and guarantee that loading forces are same by being divided into two to four channels Step), the range of oil pressure can be 0.1-32MPa, and the power supply used can be AC380V, and power can be 7.5kW.To realize Power is synchronous with displacement, reaches 0.001-5.0mm/min stepless speed regulation；And it is mounted on frame leftmost outer, can be studied not With the technical effect of the failure mechanism to come down under ramp angles.Vertical load system control motor can be located at frame work platform On 100 stringer, load transducer is had；Horizontal loading system controls the crossbeam that motor can be located at frame work platform 100 On, have load transducer；Vertical load system controls motor and horizontal loading system control motor can be all automatic with data Acquisition analysis system (i.e. automatic data collection analysis institution 700) is connected.

For automatic data collection analysis institution 700:

Automatic data collection analysis institution 700 can respectively with the earth pressure gauge 410, the pore pressure gauge 420, The volume of water moisture content inductor 430, the three-dimensional laser scanner 510, the first vertical deviation meter 520, described Two vertical deviation meters 521, the third vertical deviation meter 522, the 4th vertical deviation meter 523, first level displacement Meter 530, second horizontal displacement meter 531, the vertical load sensor, the horizontal load sensor are interconnected, with Transmit vertical load parameter, horizontal load parameter, vertical displacement parameter, horizontal displacement parameter, soil pressure force value, pore water pressure Value, volumetric water content value are into the automatic data collection analysis institution 700.

Referring to Figure 1, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 5 are provided in an embodiment of the present invention a kind of steady applied to major landslip Landslide Stability coefficient changes over time figure under different rainfall intensities in the device of qualitative three-dimensional physical simulation test；Fig. 6 is this Come down different parts in a kind of device applied to the test of major landslip stability three-dimensional physical simulation that inventive embodiments provide Pore pressure changes over time figure；Fig. 7 is provided in an embodiment of the present invention a kind of applied to major landslip stability three-dimensional physical simulation Landslide displacement changes over time figure in the device of test；Fig. 8 is provided in an embodiment of the present invention a kind of steady applied to major landslip Landslide soil pressure changes over time figure in the device of qualitative three-dimensional physical simulation test.Automatic data collection analysis institution 700 can To refer to automatic data collection analysis system, automatic data collection analysis institution 700 can be acquired by Windows interface data to be divided Analysis system and computer hardware composition.Wherein, operating system platform can be Chinese Win 7 and Win10, system controlling software establishment Environment is VB or VC++ language, and pull-down menu imitates the Windows page.Meanwhile there is soil pressure, pore water pressure and volume Moisture sensor data acquisition hardware and software interface.And the parameter that Test Data Collecting controls software automatic collection can be with There are the parameters such as vertical load, horizontal load, vertical displacement, horizontal displacement.

And vertical load, which can be, applies load by the electric precise actuator for four 50kN being mounted on longitudinal beam. Longitudinal beam can manually adjust height and all around move, to adapt to different size of sample.Vertical load is mainly applied to Situations such as slip mass top, simulation preloading.Foundation is provided for landslide destructive process when preloading and prevention.Horizontal load can To be provided by 2 50kN electric precise actuators being mounted on the lateral counter-force column outside test flume.Top can be pushed to come down Material generates shearing effect.It acts predominantly on landslide, the landslide destructive process after can excavating for someone's work provides foundation. Vertically and horizontally dedicated load sensor of the acquisition of load mainly by being mounted in actuator.It is collected during test Data automatically save in Microsoft Access database.It can be by applying horizontal and vertical load, simulation landslide The variation when variation of external environmental factor.It is sliding so as to accurate quantitative analysis simulation under the influence of different rainfall intensities Slope surface, internal change in displacement situation, the soil pressure with the variation of rainfall intensity and time, in slip mass at different location Power and pore water pressure situation of change etc. provide a kind of new test for estimation of stability of the major landslip under condition of raining Means.

In actual operation, model can be determined according to the theory of similarity in Landslide Model 210 casees 200, chooses landslide slope The analog materials such as body, slide strips, basement rock and boundary, with hitting, actual load is standby to build up model.Then pacify inside landslide during hitting reality Fill earth pressure gauge 410, pore pressure gauge 420, volume of water moisture sensor.In crossbeam the top, installation three-dimensional laser is swept again Retouch instrument 510, vertical deviation meter is laid in landslide quadrangle, horizontal displacement meter is laid in the other end of horizontal loads plane.Together When, landslide external condition is analyzed and simulated, vertical load and horizontal loading size is determined, is applied to by motor It on landslide, is measured by load transducer, determines condition of raining, rainfall is carried out to Landslide Model 210.In test process In, the measuring point data of whole process can be acquired, draw soil pressure, pore water pressure, moisture content and displacement curve, and Record landslide destructive process.The data of acquisition are finally reduced into the corresponding physical and mechanical parameter of prototype by the theory of similarity, and Related data is recorded, to evaluate Landslide Stability, and provides suggestion for prevention.

It should be noted that quantitative assessment rainfall effective solution approach is provided due to using different condition of raining, Having filled up to obtain can not obtain under the conditions of different raininess in the prior art at the effective depth of rainfall infiltration and internal different location Soil pressure and pore water pressure Changeement in blank.System is monitored due to using displacement and soil water pressure, is sufficiently sent out The characteristics of having waved model assay system efficiently solves and is difficult to obtain soil body position of coming down in the motion process of landslide in the prior art It moves, the test result of pore water pressure and stress field data, stress field in the destructive process of landslide can be obtained, seep by realizing this method Flow field, displacement and the analysis of water-cut variation.Due to use three-dimensional physical simulation test carry out landslide inverting, by with reality Sliding field slope investigation carries out Statistical Comparison, efficiently solves rainfall under the conditions of can not obtaining different raininess in the prior art and enters Come down land movement, pore water pressure and stress field data in the effective depth of infiltration, the motion process that comes down, and is not able to satisfy measurement essence Spend technical requirements, realize the different raininess of accurate simulation reality and the intracorporal soil pressure that comes down under the conditions of lasting, pore water pressure, The parameters such as displacement and stress fields guarantee the high accuracy to landslide understanding, to realize that evaluation Landslide Stability and prevention provide Foundation.

The present invention provides a kind of device applied to the test of major landslip stability three-dimensional physical simulation, passes through Landslide Model 210 are arranged in the inside of 200 hollow portion of model casing, and the inside of frame work platform 100 is arranged in model casing 200.Rainfall mechanism Water supply component 310 and running water pipe are interconnected in 300, and feed water valve 320 and water supply component 310 are interconnected, rainfall spray section Part 330 and feed water valve 320 are interconnected, and controller 340 and feed water valve 320 are interconnected, 340 phase of host computer 350 and controller It is intercommunicated, so that rainfall sprinkler part 330 carries out Landslide Model 210 to simulate different rainfall intensities.In soil water pressure mechanism 400 Earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430 are separately positioned on the inside of Landslide Model 210. The second cross beam 160 and the of frame work platform 100 is arranged in three-dimensional laser scanner 510 in displacement image acquisition mechanism 500 On four crossbeams 180, displacement and side displacement monitoring to the landslide surface of Landslide Model 210 are completed scanning of fixed place and time and are deposited Store up data.First vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter in vertical displacement measuring part 522, the 4th vertical deviation meter 523 is separately positioned on each corner point of Landslide Model 210, first level displacement meter 530 and second Horizontal displacement meter 531 is separately positioned on the horizontal loading stress surface of Landslide Model 210.It is vertical in the slope control mechanism 600 that comes down Load controls motor 610 and is arranged on first longitudinal direction beam 190 or second longitudinal direction beam 191, and horizontal loading controls the setting of motor 620 and exists On first crossbeam 150 or the second cross beam 160 or the third crossbeam 170 or the 4th crossbeam 180, voltage stabilization and current stabilization Digital control meter oil sources pumping plant controls motor 610 with vertical load respectively and horizontal loading control motor 620 is interconnected；Control passes Vertical load sensor and vertical load control motor 610 are interconnected in sensor, horizontal load sensor and horizontal loading control Motor 620 processed is interconnected.Due to automatic data collection analysis institution 700 respectively with earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430, three-dimensional laser scanner 510, the first vertical deviation meter 520, the second vertical deviation meter 521, third vertical deviation meter 522, the 4th vertical deviation meter 523, first level displacement meter 530, the second horizontal displacement meter 531, Vertical load sensor, horizontal load sensor be interconnected, then can by vertical load parameter, horizontal load parameter, hang down Straight displacement parameter, horizontal displacement parameter, soil pressure force value, pore water pressure force value, volumetric water content value are transferred to automatic data collection In analysis institution 700.The monitoring information of each monitoring point is recorded in this way and is analyzed, and record data are reduced by the theory of similarity The corresponding physical and mechanical parameter of prototype, just can evaluate Landslide Stability.It being capable of accurate simulation prototype to reach Seepage field, displacement field, stress field, under the conditions of available difference raininess, in the effective depth of rainfall infiltration, landslide motion process Come down land movement, pore water pressure and stress field data, is the choosing of relevant parameter in landslide stability evaluation and prevention and treatment design It takes and provides the technical effect of quantitative data with conceptual design, implementation.

Based on the same inventive concept, this application provides stablize with one kind corresponding to embodiment one applied to major landslip Property three-dimensional physical simulation test method, detailed in Example two.

Embodiment two

Fig. 9 is referred to, Fig. 9 is provided in an embodiment of the present invention a kind of applied to major landslip stability three-dimensional physical simulation The flow chart of the method for test.Second embodiment of the present invention provides a kind of major landslip stability three-dimensional physical simulations that is applied to try The method tested, the method applied to the test of major landslip stability three-dimensional physical simulation include:

Step S100 builds up Landslide Model 210 in model casing 200.

Referring to Figure 1, Fig. 2, Fig. 3 and Fig. 9 can take appropriate scene soil and analog material, set according to field actual conditions Set slide strips, locked patch and external condition, then by sample preparation, hit real system and build up model in model casing 200.After model forming, The physical properties such as measurement model density and mechanics parameter carry out the degree of consolidation of computation model, and then are corrected.

Step S200 carries out rainfall to the Landslide Model 210 by rainfall mechanism 300 according to preset condition of raining.

Referring to Figure 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 9 build up landslide in above-mentioned steps step S100 in model casing 200 After model 210, the rainfall that simulation needs can be calculated according to the theory of similarity, adjust the controller 340 of rainfall control system Adjust rainfall size.Landslide external condition can be analyzed and be simulated, to determine vertical load and horizontal loading Size, be applied on landslide by motor, measured by load transducer, to determine condition of raining, to Landslide Model 210 carry out rainfall.

Step S300, it is aqueous by earth pressure gauge 410, pore pressure gauge 420, volume of water in soil water pressure mechanism 400 Rate inductor 430 acquires the soil pressure force value, pore water pressure force value, volumetric water content value of the Landslide Model 210.

Referring to Figure 1, Fig. 2, Fig. 3 and Fig. 9 can during above-mentioned steps S200 carries out rainfall to Landslide Model 210 With the pore water pressure force value that the soil pressure force value acquired according to earth pressure gauge 410, pore pressure gauge 420 acquire, volume of water is aqueous The volumetric water content value that rate inductor 430 acquires, contains to obtain the soil pressure force value, pore water pressure force value, volume of Landslide Model 210 Water rate value.

Step S400, by the way that vertical load in the slope control mechanism 600 of landslide controls motor 610, horizontal loading controls electricity Machine 620 controls sensor to obtain vertical load parameter, the horizontal load parameter of the Landslide Model 210.

Referring to Figure 1, Fig. 2, Fig. 3 and Fig. 9 can during above-mentioned steps S200 carries out rainfall to Landslide Model 210 To obtain Landslide Model 210 respectively according to vertical load control motor 610, horizontal loading control motor 620, control sensor Vertical load parameter, horizontal load parameter.

Step S500, by displacement image acquisition mechanism 500 in three-dimensional laser scanner 510, vertical displacement measuring part, Horizontal displacement monitoring component obtains vertical displacement parameter, the horizontal displacement parameter of the Landslide Model 210, and records the cunning The landslide destructive process of slope model 210.

Referring to Figure 1, Fig. 2, Fig. 3 and Fig. 9 can during above-mentioned steps S200 carries out rainfall to Landslide Model 210 With the data monitored according to detection system, displacement changing curve is drawn out by computer, establish landslide displacement field and is analyzed.

Step S600, according to the soil pressure force value, the pore water pressure force value, the volumetric water content value, described vertical Load parameter, the horizontal load parameter, the vertical displacement parameter, the horizontal displacement parameter, come draw soil pressure force curve, Pore water pressure force curve, moisture content and displacement curve.

Referring to Figure 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, soil pressure force value, hole in above-mentioned steps S300 Hydraulic pressure force value, volumetric water content value；Vertical load parameter, horizontal load parameter in above-mentioned steps S400；In above-mentioned steps S500 Vertical displacement parameter, the horizontal displacement parameter of acquisition, and record the Landslide Model 210 landslide destructive process.? During the test, to be acquired to the measuring point data of whole process, soil pressure, pore water pressure, moisture content and position are drawn Curve is moved, and records landslide destructive process.It takes soil to be combined with analog material by scene to construct scaled model, be rationally arranged Slide strips and locked patch carry out the physical experiments of Formation of Revived Fossil Landslide under different gradient, different Condition of Rainfall Infiltration, pass through sensing Device monitors the variation of all kinds of physical quantitys, analyzes the process and mode of Landslide revivification unstability under different condition of raining.

Step S700, it is bent according to the soil pressure force curve, the pore water pressure force curve, the moisture content, the displacement The landslide destructive process of line and the record is reduced into the corresponding physical and mechanical parameter of prototype by the theory of similarity, to described The stability on landslide is evaluated.

Continuing with referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, can be acquired by Windows interface data Analysis system and computer hardware composition.Operating system platform is Chinese Win 7 and Win10, and system controlling software establishment environment is VB or VC++ language, pull-down menu imitate the Windows page.With soil pressure, pore water pressure and volumetric water content sensor Data acquisition hardware and software interface.The parameter of Test Data Collecting control software automatic collection is simultaneously stored in Microsoft In Access database.May be implemented to measure in this way different raininess and under the conditions of last rainfall effectively infiltrate depth and its right The influence of landslide slip measures the locked patch of slide strips its internal stress changing rule under the conditions of different rainfall durations, this is conducive to It inspires us to analyze and finds the landslide position for being easiest to unstability in slip mass and unstability feature under different condition of raining, be applied to It prevents and reduces natural disasters on landslide.

In realistic simulation experiment can stability to major landslip and formation mechenism carry out indoor large three dimensional physical Simulation takes soil to be combined with analog material and constructs scaled model, slide strips and locked patch is rationally arranged, carries out different slopes by scene The physical experiments of Formation of Revived Fossil Landslide, the variation of all kinds of physical quantitys is monitored by sensor under degree, different Condition of Rainfall Infiltration, Analyze the process and mode of Landslide revivification unstability under different condition of raining.Pass through 210 side of Landslide Model and front high-speed camera The different time sections image of shooting obtains landslide deformation values by the deformation process module that comes down, and establishes landslide deformation data Library, in conjunction with the intracorporal soil pressure force value in landslide that different time sections measure, construct in different time sections the stress field of slip mass and its Variation characteristic, and then analyze the process that changes on different time sections landslide.The simulator and method can more accurately moulds The quasi- soil pressure analyzed under different condition of raining in slip mass, pore water pressure, and in different rainfall intensities and last item Landslide form mechanism coefficient under part can be used in instructing the work of preventing and reducing natural disasters of landslide disaster under condition of raining.

The present invention provides a kind of method applied to the test of major landslip stability three-dimensional physical simulation, by model casing Landslide Model 210 is built up in 200；According to preset condition of raining, the Landslide Model 210 is carried out by rainfall mechanism 300 Rainfall；By earth pressure gauge 410, pore pressure gauge 420, volume of water moisture content inductor 430 in soil water pressure mechanism 400 come Acquire the soil pressure force value, pore water pressure force value, volumetric water content value of the Landslide Model 210；Then pass through landslide slope control Vertical load control motor 610, horizontal loading control motor 620, control sensor to obtain the Landslide Model in mechanism 600 210 vertical load parameter, horizontal load parameter；And pass through three-dimensional laser scanner in displacement image acquisition mechanism 500 510, vertical displacement measuring part, horizontal displacement monitoring component obtain vertical displacement parameter, the level of the Landslide Model 210 Displacement parameter, and record the landslide destructive process of the Landslide Model 210；According to the soil pressure force value, the pore water pressure Value, the volumetric water content value, the vertical load parameter, the horizontal load parameter, the vertical displacement parameter, the water Prosposition shifting parameter, to draw soil pressure force curve, pore water pressure force curve, moisture content and displacement curve；Again according to the soil pressure Curve, the pore water pressure force curve, the moisture content, the displacement curve and the record landslide destructive process, press The theory of similarity is reduced into the corresponding physical and mechanical parameter of prototype, to evaluate the stability on the landslide.To reach energy Enough accurate simulation prototype seepage field, displacement field, stress field, under the conditions of available difference raininess, effective depth of rainfall infiltration Come down land movement, pore water pressure and stress field data in degree, landslide motion process, sets for landslide stability evaluation and prevention and treatment The selection of relevant parameter and conceptual design, the technical effect that offer quantitative data is provided in meter.

It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it, Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover In the scope of the claims of the present invention.

Claims (10)

1. a kind of device applied to the test of major landslip stability three-dimensional physical simulation, which is characterized in that described to be applied to greatly Type Landslide Stability three-dimensional physical simulation test device include:

Frame work platform, the frame work platform are provided with the first column, the second column, third column, the 4th column, One crossbeam, second cross beam, third crossbeam, the 4th crossbeam, first longitudinal direction beam, second longitudinal direction beam, first column, described second Column, the third column, the 4th column are parallel to each other, the both ends of the first crossbeam respectively with first column, Second column connection, the first crossbeam and first column are perpendicular, the both ends of the second cross beam respectively with institute The first column, second column connection are stated, the second cross beam and first column are perpendicular, the second cross beam and institute State that first crossbeam is parallel, the both ends of the third crossbeam are connect with the third column and the 4th column respectively, described Third crossbeam and the third column are perpendicular, and the both ends of the 4th crossbeam are stood with the third column and the described 4th respectively Column connection, the 4th crossbeam and the third column are perpendicular, and the 4th crossbeam and the third crossbeam are parallel, described 4th crossbeam and the first crossbeam are parallel, the both ends of the first longitudinal direction beam respectively with the second cross beam and the described 4th Crossbeam is mutually clamped, and the both ends of the second longitudinal direction beam are mutually clamped with the second cross beam and the 4th crossbeam respectively；

Model casing, the model casing be provided with first side, second side, third side, the 4th side, bottom surface, opening face and Hollow portion, for the first side between first column and second column, the second side is located at described the Between two columns and the third column, the third side is described between the third column and the 4th column 4th side is between first column and the 4th column, and the hollow part is in the first side and described Between two side faces, the hollow part is between the third side and the 4th side, and the hollow part is in the bottom Between face and the opening face, the first side is between the third side and the 4th side, described second side Face is provided with Landslide Model, the Landslide Model between the third side and the 4th side in the hollow portion It is connected with the bottom surface；

Rainfall mechanism, the rainfall mechanism include:

Water supply component, the water supply component and running water pipe communicate；

Feed water valve, the feed water valve and the water supply component communicate, the water supply component be located at the feed water valve and it is described originally Between water pipe；

Rainfall sprinkler part, the rainfall sprinkler part and the feed water valve communicate, and the feed water valve is located at rainfall sprinkling Between component and the water supply component, the rainfall sprinkler part is arranged in the first longitudinal direction beam or the second longitudinal direction beam On；

Controller, the controller and the feed water valve communicate, and the feed water valve is located at the controller and the water supply component Between, the feed water valve is between the controller and the rainfall sprinkler part；

Host computer, the host computer and the controller communicate, the controller be located at the host computer and the feed water valve it Between；

Soil water pressure mechanism, the soil water pressure mechanism include:

Earth pressure gauge, the earth pressure gauge are arranged in the Landslide Model；

Pore pressure gauge, the pore pressure gauge are arranged in the Landslide Model；

Volume of water moisture content inductor, the volume of water moisture content inductor are arranged in the Landslide Model；

It is displaced image acquisition mechanism, the displacement image acquisition mechanism includes:

Three-dimensional laser scanner, the three-dimensional laser scanner are arranged on the second cross beam and the 4th crossbeam；

Vertical displacement measuring part, the vertical displacement measuring part include the first vertical deviation meter, the second vertical deviation meter, the Three vertical deviation meters, the 4th vertical deviation meter, the first vertical deviation meter, the second vertical deviation meter, third vertical deviation meter, 4th vertical deviation meter is separately positioned on each corner point of the Landslide Model；

Horizontal displacement monitoring component, the horizontal displacement monitoring component include first level displacement meter, the second horizontal displacement meter, institute It states first level displacement meter and second horizontal displacement meter is separately positioned on the horizontal loading stress surface of the Landslide Model, institute Horizontal loading stress surface is stated between the first level displacement meter and the rainfall sprinkler part, the horizontal loading stress Face is between second horizontal displacement meter and the rainfall sprinkler part；

Come down slope control mechanism, and the landslide slope control mechanism includes:

Vertical load controls motor, and the vertical load control motor is arranged on the first longitudinal direction beam or second longitudinal direction beam；

Horizontal loading controls motor, horizontal loading control motor setting in the first crossbeam or the second cross beam or On the third crossbeam or the 4th crossbeam；

Voltage stabilization and current stabilization digital control meter oil sources pumping plant, the voltage stabilization and current stabilization digital control meter oil sources pumping plant respectively with the vertical load control Motor processed and horizontal loading control motor communicate；

Sensor is controlled, the control sensor is provided with vertical load sensor, horizontal load sensor, the vertical load Sensor and vertical load control motor communicate, and the horizontal load sensor and the horizontal loading control motor phase It is logical；

Automatic data collection analysis institution, the automatic data collection analysis institution respectively with the earth pressure gauge, the hole Water pressure gauge, the volume of water moisture content inductor, the three-dimensional laser scanner, the first vertical deviation meter, described Two vertical deviation meters, the third vertical deviation meter, the 4th vertical deviation meter, the first level displacement meter, described Two horizontal displacement meters, the vertical load sensor, the horizontal load sensor communicate, to transmit vertical load parameter, water Flat load parameter, vertical displacement parameter, horizontal displacement parameter, soil pressure force value, pore water pressure force value, volumetric water content value are to described In automatic data collection analysis institution.

2. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as described in claim 1, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The first side, second side, third side, the 4th side are all transparent tempered glass.

3. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 2, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The rainfall sprinkler part includes several groups sprinkler, the rainfall range of sprinkler described in every group from 0.1mm/min to 0.6mm/min。

4. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 3, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The vertical displacement measurement range of the first vertical deviation meter is the essence of the first vertical deviation meter from 0mm to 300mm Degree is 0.3%F.S, 0.01 millimeter of the resolution of the first vertical deviation meter.

5. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 4, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The vertical displacement measurement range of the second vertical deviation meter is the essence of the second vertical deviation meter from 0mm to 300mm Degree is 0.3%F.S, 0.01 millimeter of the resolution of the second vertical deviation meter.

6. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 5, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The vertical displacement measurement range of the third vertical deviation meter is the essence of the third vertical deviation meter from 0mm to 300mm Degree is 0.3%F.S, 0.01 millimeter of the resolution of the third vertical deviation meter.

7. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 6, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The vertical displacement measurement range of the 4th vertical deviation meter is the essence of the 4th vertical deviation meter from 0mm to 300mm Degree is 0.3%F.S, 0.01 millimeter of resolution of the 4th vertical deviation meter.

8. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 7, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The horizontal displacement measurement range of the first level displacement meter is the essence of the first level displacement meter from 0mm to 300mm Degree is 0.3%F.S, and the resolution of the first level displacement meter is 0.01 millimeter.

9. a kind of device applied to the test of major landslip stability three-dimensional physical simulation as claimed in claim 8, feature It is, the device applied to the test of major landslip stability three-dimensional physical simulation includes:

The horizontal displacement measurement range of second horizontal displacement meter is the essence of second horizontal displacement meter from 0mm to 300mm Degree is 0.3%F.S, and the resolution of second horizontal displacement meter is 0.01 millimeter.

10. a kind of method applied to the test of major landslip stability three-dimensional physical simulation, which is characterized in that described to be applied to greatly Type Landslide Stability three-dimensional physical simulation test method include:

Landslide Model is built up in model casing；

According to preset condition of raining, rainfall is carried out to the Landslide Model by rainfall mechanism；

The landslide is acquired by earth pressure gauge, pore pressure gauge, volume of water moisture content inductor in soil water pressure mechanism Soil pressure force value, pore water pressure force value, the volumetric water content value of model；

Motor, horizontal loading control motor, control sensor are controlled by vertical load in the slope control mechanism of landslide to obtain Vertical load parameter, the horizontal load parameter of the Landslide Model；

By displacement image acquisition mechanism in three-dimensional laser scanner, vertical displacement measuring part, horizontal displacement monitoring component come Vertical displacement parameter, the horizontal displacement parameter of the Landslide Model are obtained, and records the landslide destructive process of the Landslide Model；

According to the soil pressure force value, the pore water pressure force value, the volumetric water content value, the vertical load parameter, described Horizontal load parameter, the vertical displacement parameter, the horizontal displacement parameter, it is bent to draw soil pressure force curve, pore water pressure Line, moisture content and displacement curve；

According to the soil pressure force curve, the pore water pressure force curve, the moisture content, the displacement curve and the note The landslide destructive process of record is reduced into the corresponding physical and mechanical parameter of prototype by the theory of similarity, to the stability on the landslide It is evaluated.