CN108538174A - A kind of large scale experimental model preparation facilities and method based on rock-soil material - Google Patents
A kind of large scale experimental model preparation facilities and method based on rock-soil material Download PDFInfo
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- CN108538174A CN108538174A CN201810319329.2A CN201810319329A CN108538174A CN 108538174 A CN108538174 A CN 108538174A CN 201810319329 A CN201810319329 A CN 201810319329A CN 108538174 A CN108538174 A CN 108538174A
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Abstract
The present invention relates to a kind of large scale experimental model preparation facilities and method based on rock-soil material, belongs to geotechnical engineering and Geological Engineering laboratory experiment modelling field.Mainly it is made of high-temperature kettle, molding room, molding matching component, two-way pressure break structure, axial pressure structure, cutter, scalable tool apron, fluid pressing structure, separation and measurement structure, sensing control unit and fixed module.The present invention can provide large scale, high emulation rock mass experimental model for reduced scale experiment in geotechnical engineering and Geological Engineering room, the physico-mechanical properties of institute's simulation and mineral constituent can infinite approach protoliths, intensity is even more far above the model made using 3D printing, make content cover the common engineering object such as side slope, tunnel, foundation pit or the underground space and foundation etc. compare model, the generation and distribution of artificial control tomography, crack and structural plane can also be realized simultaneously, and can carry out water under the conditions of not equality of temperature, pressure, the experiment of rock Coupled with Chemical Reaction.
Description
Technical field：
The present invention relates to a kind of the experimental model preparation facilities and operating method of simulation sedimentary rock diagenetic process.It is specifically related to
A kind of large scale the experimental study simulation of diagenesis governing factor and strata model Integral molding device for insoles and operating method, belong to ground
Engineering and Geological Engineering laboratory experiment modelling field.Mainly by high-temperature kettle, molding room, molding matching component, two-way pressure break
Structure, axial pressure structure, cutter, scalable tool apron, fluid pressing structure, separation and measurement structure, sensing control unit
It is formed with fixed module.
Background technology：
It is geotechnical engineering and one kind ten in Geological Engineering field to carry out reduced scale experiment using the Rock And Soil sample of indoor remodeling
Divide important laboratory facilities, people can be allowed intuitively to observe the variation feelings of the Rock And Soil of different shape under certain condition
Condition.And instantly, indoor reduced scale experiment geotechnical model used is usually used adhesive and glues all kinds of class mineral dusts to make,
Main adhesive ingredient is epoxy resin.The ground body Model made in this way, physics, chemical property and natural environment
The rock mass of formation is widely different, cannot reflect some physicochemical properties of Rock And Soil itself well, but also has different batches
The problems such as secondary distortion is low, error is big carries out laboratory experiment using this sample, often causes the mistake of experimental result
Very.Moreover, conventional model production method, in addition to 3D printing technique, remaining cannot control Rock And Soil knot while diagenesis
The generation and arrangement of structure construction, can only modify, this finishing is right most of the time after the completion of modelling, then to it
All it is a kind of disturbance for Rock And Soil, counter-balanced stress state can be destroyed originally, follow-up laboratory experiment is had an impact, and
3D printing technique can not produce the ground body Model of high intensity again.Finally, existing Petrogenetic Simulation sample preparation device volume all compared with
It is small, the size of sample is made mostly in a centimetre rank, cannot meet the requirement of grade ratio experiment in geotechnical engineering and Geological Engineering room.
It is made needed for rock mass engineering project and grade ratio in Geological Engineering room test so developing a kind of rock-soil material ready-made using nature
Large scale experimental model device have great meaning.
What diagenesis indicated is a series of physical chemical action that rock mass is undergone during sedimentary evolution.It is different from
3D printing technique, usually said diagenesis refer to deposit undergone under buried environment high temperature, high pressure and by hydrothermal solution
The state of encirclement.And the structure construction of Rock And Soil and formation, all closely related with diagenesis, the Rock And Soil of distribution of mineralogical composition
The diagenesis history undergone can directly affect the quality of Rock And Soil engineering properties.Large scale based on rock-soil material tests mould
Type preparation facilities is to utilize diagenesis principle, by artificially controlling the high temperature and high pressure environment of simulation crust depth, produces contract
The ground body Model of Practical Project condition, the model made in this way are closed, intensity is far above to be made using 3D printing
Model, already close to or reached the intensity of nature protolith.
Invention content：
The purpose of the present invention is to provide a kind of large scale experimental model preparation facilities and method based on rock-soil material, mould
Type preparation facilities by high-temperature kettle, molding room, molding matching component, two-way pressure break structure, axial pressure structure, cutter, can stretch
Contracting tool apron, fluid pressing structure, separation and measurement structure, sensing control unit and fixed module composition.Each module is interrelated,
Common combination is a kind of large scale experimental model preparation facilities based on rock-soil material.And device provided by the invention is combined to operate
Method can provide large scale, high emulation Rock And Soil sample for reduced scale experiment in geotechnical engineering and Geological Engineering room, can equal proportion
It makes side slope, tunnel, foundation pit or the underground space and foundation etc. and represents the significant engineering model of meaning, while can also realize
The artificial control of shear-zone, crack and structural plane generates, can be with timely monitor model in various operating modes in conjunction with expansion type sensor
The situation of change of physics, mechanics, chemical index under experiment condition.
In order to achieve the above objectives, the present invention propose a kind of large scale experimental model preparation facilities based on rock-soil material and
Method, including：
High-temperature kettle, have axially through rectangle accommodating cavity, top surface can in open, the high-temperature kettle is fixed on described solid
On cover half block, for providing hot environment to the molding room；
Molding room is expandable structure, is fixed in the high-temperature kettle, for carrying sample and completing entirely to react
Journey, the molding room can be layered molding in the case where not adding any molding matching component, to simulate nature sedimentary rock
Sedimentary sequence, minimum molding thickness is the spacing that gas, liquid arrange geat described in each adjacent two, shape drawn by Fig. 2 and
Row's geat is only signal effect, and specific form need to be customized according to actual conditions；
It is molded matching component, is separately fabricated expansible molding die, as shown in Fig. 3,4,5,6,7, mold is using high
Intensity stainless steel or high-temperature and high-presure resistent flexible material make, and ensure enough use intensities, and drawn in figure, only signal is made
With being not limited to specific form and size, other types engineering or body formed mating group of geology can be changed to according to actual needs
Part；Molding matching component is not limited to be used alone；
Two-way pressure break structure：By the top of two axial, lateral expansible pressing structures and the molding room, side
Hole composition can be opened and closed；It is typically in closed state in sample making course Hole, two pressure rods are not also contacted with molding room, when
Need when forming orientation crack on institute's simulation, hole is opened, two pressure rods individually or together elongation to being connect with model
It touches, stress is applied on model, its Directional fracture is made；
Axial pressure structure：It is divided into upperpush rod group and lower push rod group, upperpush rod group is by a mobile jib and four pressure rod groups
At lower push rod is made of four pressure rods, they are resisted against four orientation of molding room's top bottom surface respectively, is the sample
Room provides axial compressive force；Four lower push rods respectively can be jacked individually, for simulating the heterogeneous foundation shape under the conditions of diagenesis
At environment, it can be also used for making the ground body Model comprising cross-bedding or stratal pinch-outs phenomenon；Further, the upper pressure
The mobile jib of bar group is connect with four pressure rods by partial-pressure structure, and mobile jib pressure passes to molding room by four pressure rods；
The cutter are fixed on shown fixed module side by the scalable tool apron, in the high-temperature kettle and described
Molding room's homonymy is provided with rectangle tool bore, enters the molding room for the cutter；The rectangle tool bore, which is equipped with, closes valve,
It is made of refractory seals alloy sheets, prevents laboratory sample and hypothermal leakage；
Wherein, the molding room is expansible cube structure, and the not low 0.5m of size of length, width and height is applied with the axial direction
Laminated structure and the tool bore surround the confined space together；
The fluid pressing structure is expandable structure, is connect by row's geat of the air-liquid body with the molding room,
The gap Fluid pressure of sample when for adjusting molding；Further, the fluid pressing structure includes：Fluid delivery pipeline,
Gas liquid source and delivery pump；The gas, fluid supply are by the delivery pump, the liquid line is gentle, liquid adopts note
Mouth is connected with the molding room；As needed, temperature, pressure monitoring device can also be installed additional.
The separation and measurement structure are expandable structure, are connected by row's geat of the air-liquid body with the molding room
It connects, for collecting product, and carries out separation storage and metering to it；Further, the separation and measurement structure are according to connection
Order is made of following several parts：It is gentle that air-liquid body arranges geat, cooler, gas-liquid separator, liquid collection measuring device
Body collects measuring device；As needed, substance detecting apparatus, Atomic Absorption SpectrophotometerICP and pH detection devices etc. can installed additional.
The sensing control unit includes：Controller, temperature sensor, pressure-strain sensor and gap Fluid pressure become
Send device；Further, the temperature sensor is arranged on the outside of the molding room, is connected with the controller, anti-for measuring
Answer temperature：Further, the pressure-strain sensor is arranged below the cushion cap of middle part, using internal pipeline respectively with it is described
Axial pressure structure and the controller are connected；Further, the gap fluid pressure transmitter passes through inner tube respectively
Line is connected with the gas, liquid delivery pump and the controller；Wherein, in the case where Petrogenetic Simulation device for producing molds operates,
Each sensor starts simultaneously at work, accurately controls temperature, the pressure condition of molding links；Further, the axis
To pressure oil cylinder pressure output ranging from：0-200Mpa, control accuracy are：0.1Mpa.Further, the pore pressure
Range is：0-100Mpa, control accuracy are：0.1Mpa.Further, the sample indoor temperature control maximum temperature is：600
DEG C, control accuracy is：1℃.
The sensing control unit by inner conductors respectively with the molding room, the high-temperature kettle, the cutter, institute
It states two-way pressure break structure, the axial pressure structure, the separation and measurement structure and the fluid pressing structure is connected, use
It is controlled in molar behavior；Further, the sensing control unit is connected with external computer by connecting line and can be controlled and real
When monitor it is described molding indoor temperature, the axial pressure structure apply pressure, global displacement and the fluid pressure knot
The output pressure of structure.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
1, a kind of the large scale experimental model preparation facilities and method based on rock-soil material provided in the embodiment of the present application,
Pass through high-temperature kettle, molding room, molding matching component, two-way pressure break structure, axial pressure structure, cutter, scalable tool apron, stream
Body pressing structure, separation and measurement structure, sensing control unit and fixed module collective effect, simulation and monitoring sedimentary rock diagenesis
Temperature, lithostatic pressure, fluid pressure, pore pressure and the tectonic stress of process can strictly simulate the underground environment of diagenesis, system
It makes and the closer large scale of reality, high emulation ground body Model；
2, a kind of the large scale experimental model preparation facilities and method based on rock-soil material provided in the embodiment of the present application,
It can be based on above structure, clearance certain operating method and step can be made using molding matching component of different shapes
Make different types of Rock And Soil experimental model, makes content and cover side slope, tunnel, foundation, foundation pit and underground space etc.
Common engineering object is waited than model, while can also artificially control the generation and distribution of shear-zone, crack and structural plane, is handed down to posterity in advance
Sensor buries hole, can carry out the coupling experiment of water, temperature, stress and rock mass；In conjunction with expansion type sensor, mould can be monitored in real time
The situation of change of physics of type under the conditions of various working condition experimentings, mechanics, chemical index；
3, a kind of the large scale experimental model preparation facilities and method based on rock-soil material provided in the embodiment of the present application,
The sedimentary rock managed comprising different layers thick-layer can be produced by the method for diagenesis stage by stage based on above structure；By adjusting
The relative relief of each rod piece of lower push rod group, then with cutter are closed, the sedimentary break and crustal movement that can simulate nature are led
Cross-bedding, the stratal pinch-outs phenomenon of cause；
Description of the drawings：
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the three dimensional structure diagram of core work module；
Fig. 3 is the three dimensional structure diagram that battered slope is molded matching component；
Fig. 4 is the three dimensional structure diagram that vertical side slope is molded matching component；
Fig. 5 is the three dimensional structure diagram that tunnel is molded matching component；
Fig. 6 is the three dimensional structure diagram that tomography is molded matching component；
Fig. 7 is the three dimensional structure diagram that foundation pit or the underground space are molded matching component；
Specific implementation mode：
The embodiment of the present application is by providing a kind of large scale experimental model preparation facilities and method based on rock-soil material, solution
Certainly the molding size of device is small in the prior art, it is low with other deposition structures, different batches distortion to include stratification,
Error is big, is unable to the technical issues of one-pass molding；Reached expand simulator controllable simulation state, entire manufacturing process,
One-pass molding can carry out subsequent experimental without following process, greatly improve the efficiency of indoor model experiments, and entirely make
Make the temperature of process, situation is pressed all to be controlled by computer, is participated in without artificial, reduce error, ensured the similar of every batch of model
Degree, geotechnical engineering and Geological Engineering indoor model experiments subsequently to carry out provide the experiment material of high similarity, from basic
The upper precision and accuracy for improving experimental result.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.But the specific implementation mode of invention described herein, it is only used for explaining the present invention's
Purpose, and cannot be understood as being limitation of the present invention in any way.Under the teachings of the present invention, technical staff is contemplated that
Based on the arbitrary possible deformation of the present invention, these are regarded as belonging to the scope of the present invention.
Referring to FIG. 1, integrally-built for a kind of large scale experimental model preparation facilities based on rock-soil material of the present invention
Schematic diagram.As shown, including：Computer 1, controller 2, core work module 3, product separation and metering module 4 and gap stream
Body pressure module 5 forms.Product detaches and metering module 4 is successively by cooler 6, gas-liquid separator 7, device for measuring volumetric flow of fluid 9, liquid
Body collection device 8 and gas measurement device 10, gas collector 11.Gas, the liquid generated in reaction passes through refrigerated separation
Afterwards, it is stored in gas collector and fluid collection device respectively.Fluid pressing structure 5 is successively by gap Fluid pressure pick-up
Device 12 and liquid delivery pump 13, gas transfer pump 14 form, by pipeline by air-liquid body with certain pressure injection moulding room
In 3-6；Wherein, core work module 3 is connected by controller 2 by conducting wire with computer 1 so that user can be real-time by computer
It monitors simultaneously gathered data and controls the operating status of whole device.Product separation and metering module 4 and gap fluid pressure mould
Block 5 is connected by row's geat module 4 of air-liquid body with core work module 3 and controller 2, can be monitored in real time by computer
Liquid, gas production in molding room 3-6 and temperature, pressure condition, and then it is regulated and controled.
Referring to FIG. 2, for a kind of large scale experimental model preparation facilities core work mould based on rock-soil material of the present invention
The three dimensional structure diagram of block.As shown, in this module, the sedimentary rock diagenetic environment of high temperature and pressure and complete can be simulated
At the total overall reaction of entire patternmaking process, component includes：High-temperature kettle 3-4, molding room 3-6, cutter 3-19, two-way pressure break structure
3-9, scalable tool apron 3-18, upperpush rod group：Mobile jib 3-2 and partial pressure bar 3-3, lower push rod group 3-10, three-level cushion cap：1st grade is held
Platform 3-20, the 2nd grade of cushion cap 3-13,3rd level cushion cap 3-11, support fixed structure 3-12, gas, row's geat 3-5 of liquid, filtering
Sheet metal 3-14, temperature sensor 3-15, sensor line integrated box 3-1；Wherein：High-temperature kettle 3-4 have can in the upper top opened
With axially through four channels passed through for four partial pressure bar 3-3 of upperpush rod group；Molding room 3-6 is contained in high-temperature kettle 3-
In the middle part of 4 accommodating cavity, the top bottom surface of molding room 3-6 and the top bottom surface of accommodating cavity have certain interval, molding room 3-6 to be stood to be expansible
Cube, size can determine that molding room 3-6 uses inner casing for high-strength special type Steel material as the case may be, and outer layer wraps tightly one layer
Copper shell ensure that the intensity of sample room, also ensure the heat conduction efficiency of sample room and high-temperature kettle 3-4.Point of upperpush rod group
Compression bar 3-3 and lower push rod group 3-10 is respectively resisted against the both ends of molding room 3-6 respectively, and the axial force of upperpush rod group passes through mobile jib 3-2
Apply jointly with four partial pressure bar 3-3, lower push rod group 3-10 is made of four partial pressure bars, can individually control each rod piece
Lifting and decline.
In the present invention, the high-temperature kettle 3-4 is made of the steel alloy that can be resistant to high temperature and pressure intensity.The steel alloy
Creep, breakage and cracking are not will produce under the conditions of high temperature (700 DEG C) high pressure (350MPa), will not lead to the micro- leakage of cylinder, are ensured
The safety of simulated experiment process.
Gas, row's geat 3-5 of liquid and filtering metal piece 3-14 are equipped with before molding room 3-6.The filtering metal piece
3-14 is the metal filter disc of unidirectional weak acid and alkali resistance, has certain permeability and rigidity；It is set respectively on the tops molding room 3-6, side
There is openable hole 3-7；
Further, the fluid pressing structure 5 passes through the gas, the row's geat 3-5 and the molding room 3-6 of liquid
It is connected, for applying gap, Fluid pressure；
Further, row's geat 3-5 and the molding room that the separation and measurement structure 4 pass through the gas, liquid
3-6 connections for collecting product, and carry out it separation storage and metering；
The three-level cushion cap, is followed successively by from the bottom up：1st grade of cushion cap 3-20, the 2nd grade of cushion cap 3-13,3rd level cushion cap 3-
11, they form the fixed module together with the support fixed structure 3-12；The high temperature is placed on 1st grade of cushion cap 3-20
Kettle 3-4, molding room 3-6 and lower push rod group 3-10；Four partial pressure bars of the bottom surface of the 2nd grade of cushion cap 3-13 and the upper ejector pin group
3-3 connections；2nd grade of cushion cap top surface is the mobile jib 3-2 of the upper ejector pin group；The master of 3rd level cushion cap bottom surface and the upper ejector pin group
Bar 3-2 is connected, and is provided with sensor line integrated box 3-1 above.
Further, the cutter 3-19 is fixed on the support fixed structure together with the scalable tool apron 3-18
On 3-12；The cutter 3-19 can be entered by the tool bore 3-16 in the molding room 3-6, cutting sample；
It please refers to Fig.3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, for a kind of large scale experimental model system based on rock-soil material of the present invention
The three dimensional structure diagram of the molding matching component of standby device.Component shown in Fig. 3 and Fig. 4 be side slope molding assembly 15-1,15-2,
It can be used for making the side slope etc. comprising platform, slope, upright slope and compare model, wherein ramp angles, platform/slope ratio and slope
Face smoothness is not limited to a certain particular value, can adjust according to actual needs, can make full slope in special circumstances；Shown in Fig. 5
Component is tunnel molding assembly 15-3, can be used for making tunnel etc. than model, wherein tunnel diameter and form is not limited to a certain solid
Mould-fixed can adjust hole diameter and form according to actual needs；Component shown in Fig. 6 is tomography formation component 15-4, can be used for generating
Shear-zone in rock mass is made using high-temperature and high-presure resistent sheeting.Shown in Fig. 6, only signal acts on, and specific form needs
It is customized according to actual conditions；Further, the molding matching component is not limited to be used alone, and can be combined between random component
Collocation, for producing the strata model containing complex space form, it is smooth that all molding matching components are not limited to the surface of solids,
Some fluctuatings can be added on surface according to engineering practice；Component shown in Fig. 7 be foundation pit or underground space molding assembly, be by
High-temperature and high-presure resistent flexible material is made, and bottom is equipped with high-pressure air pipe, connect, is used for row's geat 3-5 of the gas, liquid
Injection or discharge gas.This component is made of dismountable two parts, when foundation pit component 15-5-2 is used alone, can be used for giving birth to
At the Deep Foundation Pit of open cut, when head cover 15-5-1 and foundation pit component 15-5-2 is applied in combination, it can be used for generating the underground of tunneling
Space chamber；Component bottom is equipped with high-pressure air pipe 15-5-3, and when use connect with row's geat of gas, liquid, is used in molding
Gas is injected or is discharged to component internal in the process, the size and form of wherein foundation pit or the underground space are not limited to a certain specific
Value, can adjust according to actual needs；
A kind of large scale experimental model preparation facilities based on rock-soil material provided by the invention, operating method are as follows：
1. when making conventional strata model, required mineral assemblage is put into the molding room 3-6, closes molding room 3-
The rectangle tool bore 3-16 of the sides 6 and high-temperature kettle 3-4, the partial pressure bar 3-3 and lower push rod group 3-10 of upperpush rod group are resisted against into respectively
The top bottom surface of type room 3-6, lower push rod group 3-10 minimize horizontal position it is ready after, start gradually apply axial compressive force；Simultaneously
High-temperature kettle 3-4 and fluid pressing structure 5 provide certain diagenetic temperature to sample and maintain certain gap Fluid pressure, product
Separation and metering module 4 are started to work, the indices of the also moment detecting instrument of sensing control unit 2；
2. when making the model containing horizontal bedding, operation is similar with conventional rock mass sample is made, in order to simulate deposition
The sedimentary sequence of rock increases the step for being layered pattern-making material successively and being put into the molding room 3-6, remaining is same as above；
3. making is containing cross-bedding or there are when the model of stratal pinch-outs phenomenon, need to be divided into following several steps：It is first
Part pattern-making material is first sequentially placed into molding in the molding room 3-6, in the first stage after molding, the axial pressure
The lower push rod group part of structure jacks, and strata model is made to tilt, and then the tool bore 3-16 is opened, and the cutter 3-19 enters
Molding room's truncated section model, cleared of debris object.Then, the lower push rod of jacking restores horizontal, is put into new sample material
Start molding, repeats this step, the sedimentary rock model containing cross-bedding or there are stratal pinch-outs phenomenon can be produced；
4. when making tunnel etc. than model, it is only necessary to before molding that molding matching component 15-3 burying formings is indoor
It in pattern-making material, then operates according to flow 1, if you need to make tunnel in stratified rock etc. than model, is grasped according to step 2
Work；
5. when making equal comprising foundation pit or the underground space than model, operating procedure is similar with tunnel, it is only necessary to general
Tunnel molding assembly is changed to foundation pit or underground space molding matching component 15-5.But compare mould making underground space etc.
Type needs to pay attention at 2 points：One, it should keep axial compressive force consistent with model air pressure inside in patternmaking process, prevent component from becoming
Shape；Two, it after molding is introduced, needs to remove underground space component and model by way of pumping, in case component is in model
Wall plays a supportive role, and influences subsequent experimental result；
6. when making side slope of different slope angles etc. than model, it is only necessary to which the upper plate of molding room is changed to the molding of side slope
Pattern-making material, is then put into the molding room by matching component 15-1 or 15-2, according to conventional molding flow operations, such as
The side slope model in stratified rock need to be made, is operated according to step 2；
7. when making equal comprising shear-zone than model, need tomography generating thin slice 15-4 together with pattern-making material together
It is put into molding room, then makes model according to conventional, since tomography generates the high-temperature and high-presure resistent special materials of use of thin slice
It is made, their presence can be such that generation physical segmentation inside made Rock And Soil is extracted by hydraulic manipulator after the completion of sample preparation
Left gap can be considered shear-zone after thin slice.
Claims (9)
1. a kind of large scale experimental model preparation facilities and method based on rock-soil material, which is characterized in that by high-temperature kettle, molding
Room, molding matching component, two-way pressure break structure, axial pressure structure, cutter, scalable tool apron, fluid pressing structure, separation
And measurement structure, sensing control unit and fixed module composition；
The molding room side is equipped with row's geat of number exhaust body, liquid, and the row for air-liquid notes；
The fixed module is made of support column and 3 grades of cushion caps, for fixing all kinds of devices；
The molding room is fixed in the high-temperature kettle, and for carrying sample and completing entire reaction process, the molding room is
Expansible large scale stereochemical structure；
The molding matching component is by expansible side slope molding assembly, tunnel molding assembly, foundation pit or underground space molding group
Part and tomography formation component composition, also can be changed to other types engineering or the body formed matching component of geology according to actual needs；
The two-way pressure break structure is made of axially and laterally two pressing structures, both passes through the high-temperature kettle, wherein axial apply
Laminated structure is located at the top surface of molding room, and lateral pressing structure is located at the side of the molding room；The end of the two-way pressure break structure
Portion is expandable structure, can replace the end of different shape as needed, is respectively equipped on the top of the molding room, side
Openable hole, the window as pressure；
The axial pressure structure is made of upperpush rod group and lower push rod group, is contacted with molding room by the high-temperature kettle,
Middle upperpush rod group is connected with the molding room top surface, and lower push rod group is connected with the molding room bottom surface；The axial pressure structure
For applying xial feed, the diagenesis pressure of crust depth is simulated；
The fluid pressing structure is connected to by row's geat of the gas, liquid with the molding room, for the molding
Indoor response sample applies gap Fluid pressure；
The separation and measurement structure are connected to by row's geat of the gas, liquid with the molding room, for collecting product,
And separation storage and metering are carried out to it；
The sensing control unit respectively with molding room, high-temperature kettle, cutter, two-way pressure break structure, axial pressure structure, detach
And measurement structure and fluid pressing structure are connected, the monitoring for molar behavior control and molding room's Temperature-pressure Conditions.
2. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In, the high-temperature kettle is fixed on the fixed module, head cover can in open, the promotion channel as molding room's head cover；It is described
The top bottom cover of molding room is connected with axial pressure structure, integrally can be promoted and be replaced, and facilitates sample and is molded adding for matching component
Add；The cutter are fixed on the fixed module side by the scalable tool apron, same in the molding room and high-temperature kettle
It is provided with tool bore on the side wall of side, the channel as cutter disengaging；The tool bore is equipped in the molding room side and closes valve, material
Material is high-temperature and high-presure resistent sealing partition board, for completely cutting off high temperature and pressure when reaction.
3. large scale geotechnical engineering described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, which is characterized in that
The molding room is expandable structure, and side is equipped with row's geat of number exhaust body, liquid, for during the reaction in time to not
Liquids and gases are discharged or injected with sample layer, achieve the effect that be layered molding and monitor product；The minimum thickness of institute's simulation
The spacing of geat is arranged for gas described in each adjacent two, liquid；Further, the gas, liquid row geat quantity and
Away from being determined on a case-by-case basis, it is not limited to specific number.
4. large scale geotechnical engineering described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, which is characterized in that
The molding matching component by expansible side slope molding assembly, tunnel molding assembly, foundation pit or underground space molding assembly with
And tomography formation component composition；Further, the round bar for burying hole during model forming for prefabricated sensor is also contained in
In the molding matching component；Further, it includes platform, slope, upright slope that the side slope molding assembly, which can be used for making,
Side slope etc. compares model, wherein the smoothness of ramp angles, platform/slope ratio knead dough is not limited to a certain particular value, can be according to reality
Border needs to adjust, and can make full slope in special circumstances；Further, the tunnel molding assembly can be used for making tunnel etc.
Than model, wherein tunnel diameter and form is not limited to a certain fixed mode, can adjust hole diameter and form according to actual needs；Into one
Step, the foundation pit or underground space molding assembly can be used for generating foundation pit or the underground space etc. than model, by high temperature resistant height
The flexible material of pressure is made, and bottom is equipped with high-pressure air pipe, is connect with row's geat of gas, liquid, for injecting or being discharged gas,
The size and form of wherein foundation pit or the underground space are not limited to a certain particular value, can adjust according to actual needs；Further, institute
It states tomography formation component to be made using high-temperature and high-presure resistent sheeting, can be used for generating the shear-zone in rock mass, form root
It is determined according to actual conditions, is not limited to a certain fixed form；Further, the molding matching component is not limited to be used alone,
Can combination collocation between random component, and all molding matching components are not limited to fixed form and smooth surface, can be according to engineering
Some fluctuatings are added in assembly surface in actual conditions, thus, it is possible to produce the strata model containing complex space geometric shape.
5. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In the two-way pressure break structure is made of axially and laterally two pressing structures, both passes through the high-temperature kettle, wherein axial pressure
Structure is located at the top surface of molding room, and lateral pressing structure is located at the side of the molding room；It can be by setting on top, side
Hole pass through the high-temperature kettle and the molding room, apply pressure to be molded indoor sample；Further, lateral pressure break
Its pedestal of structure is fixed on the fixed module, and axial its pedestal of pressure break structure is fixed on the 2nd grade of cushion cap；Into one
Step, the two-way pressure break structure is expandable structure, and front end is field-replaceable unit, and concrete shape is determines according to actual conditions；
Two pressing structures axially and laterally can work independently, and can also cooperate, by applying directional load to rock mass
Mode manufactures crack on strata model.
6. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In, the axial pressure structure is fixed on 3 grades of cushion caps of the fixed module, the axial pressure structure by upperpush rod group and
Lower push rod group forms, and upperpush rod group is made of a mobile jib and four pressure rods, and lower push rod group is made of four pressure rods, upper pressure
Bar and lower push rod be inserted into the high-temperature kettle by upper and lower ends respectively and be respectively resisted against it is described molding ceiling, bottom surface four sides
Position, the upperpush rod group and lower push rod group are in direct rod shape；Further, four lower push rods can be jacked individually, and simulation is non-
Diagenetic environment under the conditions of homogeneous foundation can be also used for making the Rock And Soil mould comprising cross-bedding or stratal pinch-outs phenomenon
Type.
7. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In, the fluid pressing structure is expandable structure, including：Fluid delivery pipeline, gas liquid source and delivery pump；The gas
Body, fluid supply are connected by row's geat of the delivery pump, the liquid line and gas, liquid with the molding room；For
It is molded indoor liquid environment and gap Fluid pressure when adjusting molding；Further, the nearly institute of row's geat of the gas, liquid
State molding room end be equipped with high intensity filtering metal piece, while for preventing solid matter from flowing out realize liquids and gases note,
Row；Further, when using foundation pit or underground space molding assembly, one of row's geat needs the air valve phase with component
Even, by high-pressure pump maintain diagenesis when foundation pit or underground space molding assembly inside pressure and molding after by component with
Model inner wall detaches；Further, according to experiment needs, temperature, pressure monitoring device can also be installed additional on transfer pipeline, for monitoring
The situation of change of Fluid pressure.
8. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In, the separation and measurement structure are expandable structure, including：Liquid line, gas-liquid separator and collection measuring device；Institute
Collection measuring device is stated by row's geat of the liquid line, gas-liquid separator and gas, liquid to be connected with the molding room；
For detaching and measuring the liquids and gases generated in patternmaking process；Further, the gas, row's geat of liquid are closely described
Molding room end is equipped with high intensity filtering metal piece, is generated in discharge patternmaking process while for preventing solid matter from flowing out
Air-liquid product；Further, according to experiment needs, substance detecting apparatus, Atomic Absorption SpectrophotometerICP can also be installed additional on transfer pipeline
With pH detection devices etc..
9. large scale geotechnical engineering as described in claim 1 and Geological Engineering rock mass experimental model preparation facilities, feature exist
In the sensing control unit includes：Controller, temperature sensor, pressure-strain sensor and gap fluid pressure transmitter；
For controlling and the molar behavior of regulating device and acquisition diagenesis data；Further, the temperature sensor is arranged described
On the outside of molding room, it is connected with the controller, for monitoring molding room temperature；Further, the pressure-strain sensor is set
It sets in the bottom surface of the 2nd grade of cushion cap, is connected respectively with the axial pressure structure and the controller, for monitoring axial pressure
Structure and two-way pressure break structure pressure applied；Further, the pore pressure transmitter respectively with the delivery pump and
The controller is connected, for monitoring gap Fluid pressure and gas pressure.
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| CN116068148A (en) * | 2023-03-21 | 2023-05-05 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | Landslide accumulation body forming debris flow movement process simulation device under rainfall condition |
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