CN106447776A - Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method - Google Patents
Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method Download PDFInfo
- Publication number
- CN106447776A CN106447776A CN201610844752.5A CN201610844752A CN106447776A CN 106447776 A CN106447776 A CN 106447776A CN 201610844752 A CN201610844752 A CN 201610844752A CN 106447776 A CN106447776 A CN 106447776A
- Authority
- CN
- China
- Prior art keywords
- model
- printing
- physical model
- rock mass
- structural plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/64—Three-dimensional objects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/08—Indexing scheme for image data processing or generation, in general involving all processing steps from image acquisition to 3D model generation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Computer Graphics (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a complex fractured rock mass physical model manufactured based on 3D printing production and a modeling method. By using 3D printing, a complex fractured network model entity is reconstructed and a model suitable for an indoor analog simulation experiment is established; the complex fractured rock mass physical model comprises a discrete fracture network DFN model and an entity discrete joint network DFN model. Based on the 3D printing, the complex fractured network model entity can be reconstructed and the model suitable for the indoor analog simulation experiment is established, and an effective method can be provided for an indoor laboratory research on complex fractured rock mass mechanical behaviors. A reliable and effective method is provided for the rock mechanical test field by adopting fractured rock mass model reconstruction and fractured network entity model construction through the 3D printing; with the help of the 3D printing technology, the problems that modeling is difficult to conduct and the cost is high in the current complex fractured rock mass physical model indoor experiment can be effectively solved.
Description
Technical field
The invention belongs to Geotechnical Engineering technical field of measurement and test, more particularly to a kind of complicated crack rock based on 3D printing making
Body physical model and modeling method.
Background technology
In terms of rock mechanics desk research, complex model modeling method is limited to, current research, is directed to rock more
Stone or rocks (Gypsum Fibrosum, concrete) material are studied, for the mechanics row of the similar rock mass materials containing complicated fractured zones
Less for studying.With rise and the progress of 3D printing technique, the solid modelling for realizing labyrinth is increasingly becoming possibility.Mesh
Before, 3D printing technique is relatively wide in the application of the fields such as medical science, machine-building, automobile, and the application in terms of rock mechanics is also less, especially
Its application achievements in terms of the Geometric Modeling of labyrinth face is rarely seen in report.Due to being rich in a large amount of random distributions in actual rock mass
Complex geometry form joint structural plane, and the Research on Mechanical Properties of this rock mass is for rock mass engineering project stability analyses and power
Learn parameter acquiring and there is important value, due to complexity, the randomness of the internal joint structural plane space geometry distribution of rock mass, for
This rock mass physical test model containing complicated joint not yet sees report.At present ROCK MASS JOINT knot is carried out using 3D printing technique
In terms of the mechanical analyses of structure face, the scheme that mainly has two categories below similar:First kind method is to adopt 3D printing technique, studies single
The rough surface form of joint plane, and then it is modeled the mechanical test related with development, such as direct shear test etc..Equations of The Second Kind side
Method is to adopt 3D printing technique, carries out smoothing the rock-like materials modeling at joint containing wall scroll, and research smooths the inclination angle at joint to examination
The mechanics influence of part.Prior art is modeled mainly for single structure face, and main method is entered by the way of laser scanning
The scanning of row single structure face complex geometry form, microcomputer modelling, carry out 3D printing further and generate physical model.And as Fig. 1
Shown, in jointed rock mass, structural plane is often complex distributions, and current research report has the following disadvantages:(1) natural rock mass
In structural plane there is spatial distribution complexity and randomness, at present research not yet carries out physics for complicated crack geometric network
Modeling.(2) complicated crack rock physical model and joint modeling is carried out, needs to start with from on-site land survey, through series structure face
Information Statistics arrange microcomputer modelling and optimize the foundation of 3D printing model and realize the serial procedures such as physical model foundation,
Not yet there is the proposition of related system method at present.
In sum, current complexity crack rock physical model laboratory test modeling hardly possible, high cost, seriously constrain industry
Development.
Content of the invention
It is an object of the invention to provide a kind of complicated crack rock physical model based on 3D printing making and modeling side
Method, it is intended to solve the problems, such as current complexity crack rock physical model laboratory test modeling hardly possible, high cost.
The present invention is achieved in that a kind of modeling side of the complicated crack rock physical model based on 3D printing making
Method, the modeling method obtains the spatial distribution of joint fissure first by live structural plane test;Using Monte Carlo
Method realizes computer model three-dimensional modeling;Finally, using 3D printing, complicated Fracture Networks model entity is reconstructed;Set up
It is applicable to the model of indoor similarity simulation experiment.
Further, the modeling method of the complicated crack rock physical model based on 3D printing making includes following step
Suddenly:
Step one, using 3GSM rock mass discontinuity digital image understanding technology, by live structural plane digital image pickup,
Three-dimensional rock mass space surface orientation, the demarcation of size, and then spatial distribution different stage structural plane is accurately identified, adopt
Monte Carlo modeling method, sets up discrete fracture network 3DDFN model;
Step 2,3DDFN mathematical model is derived .STL formatted file, the discernible model format of output 3D printer;
Using 3D printer, set up the joint distribution model of 3D printing technique, and generate different scale, the quasi- two dimension of different distributions, three
Dimension discrete forcing approach.
Further, the step one obtains the structural plane packet of different scales rank:Small-scale auxiliary fault, primary
The small joint of joint plane, weathering fissures and connectivity extreme difference with certain regularity of distribution and statistical significance or hidden fine fisssure face knot
Structure face;For joint plane, weathering fissures level structure face, a point two ways determines joint spatial distribution.
Further include:
(1) on the basis of 3GSM three-dimensional rock mass not contact measurement digital image system, to spatial distribution different stage structure
The carrying out in face accurately identifies, and is grouped by space orientation, structural plane, structural plane space geometry information, fluctuating situation is carried out point
Analysis, obtains the sample statistics value of all stochastic variables in each group sample, finally gives statistical distribution form;
(2) it is grouped according to occurrence cluster, spacing and turn-off long per the group average occurrence of structural plane, mark is calculated, according to
Statistical distribution method simultaneously assumes that structural plane generates the spatial distribution with group structural plane for collar plate shape;
(3) finally opened using visual programming platform Visual Basic and 3DMine Mine digitalization 3 d modeling system
Send out Fractures Spatial Distribution visualization of 3 d model.
Another object of the present invention is to providing a kind of complicated crack rock physical model based on 3D printing making
Modeling method complicated crack rock physical model, described complexity crack rock physical model include:Discrete fracture network DFN
Mathematical model and entity discreteness Joint network simulation DFN physical model.
Another object of the present invention is to providing a kind of application the complicated crack rock physics for making based on 3D printing
The ROCK MASS JOINT structure face mechanic analysis method of the modeling method of model.
Another object of the present invention is to providing a kind of application the complicated crack rock physics for making based on 3D printing
The Geotechnical Engineering method of testing of the modeling method of model.
The complicated crack rock physical model for being made based on 3D printing and modeling method that the present invention is provided, are beaten based on 3D
Complicated Fracture Networks model can be carried out entity reconstruct by print, set up the mould for being applicable to indoor similarity simulation experiment further
Type, can provide effective method for the in-house laboratory investigation of complicated crack rock mechanical behavior.The present invention adopts crack rock
Model reconstruction, 3D printing build the technological highlights that Fracture Networks physical model is the present invention, will lead in rock mechanics experiment
Domain provides a kind of reliable, effective method, is the laboratory test research side of the mechanical characteristics such as rock mass mechanics deformation, destruction, intensity
Face provides model basis, and can provide the result foundation of inside authentication for complicated numerical experiments;Due to rock mass section
Reason spatial distribution complexity, directly carries out similar test high cost in jointed rock mass room, and is difficult to truly reflect structure space of planes
Form;Often yardstick is larger to carry out similar test in rock mass mechanics characteristic room at present, and consumptive material such as cement mortar etc. is consumed greatly, is also needed
Tested by large pressing machine, current complexity crack rock physical model can be efficiently solved by 3D printing technique
Laboratory test modeling is difficult, the problem of high cost, and model dimension is little, goes for conventional press and carry out mechanical characteristic dividing
Analysis;Will be significantly relatively low test consumable (cement mortar, quartz sand etc.) suitable for small-scale simulation rock mass laboratory test, and often
Rule forcing press can achieve.
Description of the drawings
Fig. 1 is the modeling method of the complicated crack rock physical model based on 3D printing making provided in an embodiment of the present invention
Flow chart.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to only in order to explain the present invention
Limit the present invention.
The present invention establishes multigroup complex geometry distributed architecture EDS maps model, is produced based on 3D printing technique and is applied to
The discrete forcing approach DFN of laboratory experiment and related die, propose to beat from on-the-spot test microcomputer modelling 3D model
Print the method for making similar Physical Experiment.
Below in conjunction with the accompanying drawings the application principle of the present invention is explained in detail.
Complicated crack rock physical model based on 3D printing making provided in an embodiment of the present invention is:Discrete fracture network
DFN model and entity discreteness Joint network simulation DFN model.
As shown in figure 1, the building of the complicated crack rock physical model based on 3D printing making provided in an embodiment of the present invention
Mould method is comprised the following steps:
S101:Using 3GSM rock mass discontinuity digital image understanding technology, spatial distribution different stage structural plane is carried out
Accurately identify, set up discrete fracture network DFN model;
S102:Using XYZ Printing PRO 3D printer, the joint distribution mould suitable for 3D printing technique is set up
Type, and generate different scale, the two dimension of different distributions, 3 d-dem Fracture Networks model.
The modeling method of the complicated crack rock physical model for being made based on 3D printing of the embodiment of the present invention is specifically included
Following steps:
Step 1:Based on 3GSM rock mass discontinuity digital image understanding technology, spatial distribution different stage structural plane is carried out
Accurately identify, and set up discrete fracture network DFN model
Obtain the structural plane packet of different scales rank:III (small-scale auxiliary fault), IV (primary with certain point
The joint plane of cloth rule and statistical significance, weathering fissures etc.) and V (the small joint of connectivity extreme difference or hidden fine fisssure face) level knot
Structure face.For the IV level structure face with statistical significance, a point two ways determines joint spatial distribution:
I () in 3GSM three-dimensional rock mass on the basis of contact measurement digital image system, to spatial distribution different stage structure
The carrying out in face accurately identifies, and is grouped by space orientation, structural plane, structural plane space geometry information, fluctuating situation is carried out point
Analysis, obtains the sample statistics value of all stochastic variables in each group sample, finally gives statistical distribution form.
(ii) it is grouped according to occurrence cluster, spacing and turn-off long per the group average occurrence of structural plane, mark is calculated, is pressed
According to statistical distribution method and assume structural plane for collar plate shape generate with group structural plane spatial distribution.
(iii) finally using visual programming platform Visual Basic and 3DMine Mine digitalization 3 d modeling system
Development structure space of planes spread visualization of 3 d model.
Step 2:Entity discreteness Joint network simulation DFN model is set up based on 3D printing technique:
Using XYZ Printing PRO 3D printer, the joint distribution model for going for 3D printing technique is set up,
And generate different scale, the two dimension of different distributions, 3 d-dem Fracture Networks model.
With reference to specific embodiment, the application effect of the present invention is explained in detail.
(1) live selecting structure face engineered locations, using Austrian 3GSM digital Photogrammetric System or other structures
Face investigative technique, carries out live structural surface information investigation, statistics, obtains structural plane occurrence distributed intelligence.
Software system carries out a series of technical finesse such as benchmark calibration, pixel Point matching, figure to the image of different angles
Distortion of image bias correction etc., realizes the true three-dimensional model reconfiguration of body surface, sees from any orientation on computer visualization screen
Examine 3D solid image.Identification, positioning, fitting, tracking and geometric shape information parameter to each structural plane individuality (is produced
Shape, mark length, spacing, turn-off etc.) acquisition, and carry out the classification of numerous and complicated structural plane, packet, geometric parameter statistics.
(2) Monte Carlo method is adopted, it is assumed that structural plane is collar plate shape, generation with the spatial distribution for organizing structural plane, profit
Fractures Spatial Distribution visualization of 3 d DFN model is set up with visual programming platform Visual Basic.
(3) DFN mathematical model is derived .STL form, sets up 3D printing software and can recognize that form;Using XYZ
Printing PRO 3D printer, sets up and goes for the joint distribution model of 3D printing technique, and generate different scale,
The two dimension of different distributions, 3 d-dem Fracture Networks model, the model for being printed can be used for indoor mechanical test.
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement that is made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of modeling method of the complicated crack rock physical model based on 3D printing making, it is characterised in that the modeling
Method adopts 3D printing, and complicated Fracture Networks model entity is reconstructed;Set up the mould for being applicable to indoor similarity simulation experiment
Type.
2. the modeling method of the complicated crack rock physical model for being made based on 3D printing as claimed in claim 1, its feature
It is, the modeling method of the complicated crack rock physical model based on 3D printing making is comprised the following steps:
Step one, using 3GSM rock mass discontinuity digital image understanding technology, by live structural plane digital image pickup, three-dimensional
Rock mass space surface orientation, the demarcation of size, and then spatial distribution different stage structural plane is accurately identified, adopt
Monte Carlo modeling method, sets up discrete fracture network 3DDFN model;
Step 2,3DDFN mathematical model is derived .STL formatted file, the discernible model format of output 3D printer;Using
3D printer, sets up the joint distribution model of 3D printing technique, and generate different scale, the quasi- two dimension of different distributions, three-dimensional from
Spallation gap network model.
3. the modeling method of the complicated crack rock physical model for being made based on 3D printing as claimed in claim 2, its feature
It is, the step one obtains the structural plane packet of different scales rank:Small-scale auxiliary fault, primary with certain point
The joint plane of cloth rule and statistical significance, the small joint of weathering fissures and connectivity extreme difference or hidden fine fisssure face structural plane;For
Joint plane, weathering fissures level structure face, a point two ways determines joint spatial distribution.
4. the modeling method of the complicated crack rock physical model for being made based on 3D printing as claimed in claim 3, its feature
It is, further includes:
(1) on the basis of 3GSM three-dimensional rock mass not contact measurement digital image system, to spatial distribution different stage structural plane
Accurately identified, be grouped by space orientation, structural plane, structural plane space geometry information, fluctuating situation be analyzed, obtained
To in each group sample, the sample statistics value of all stochastic variables, finally gives statistical distribution form;
(2) it is grouped according to occurrence cluster, spacing and turn-off long per the group average occurrence of structural plane, mark is calculated, according to statistics
Location mode simultaneously assumes that structural plane generates the spatial distribution with group structural plane for collar plate shape;
(3) finally using visual programming platform Visual Basic and 3DMine Mine digitalization 3 d modeling system exploitation knot
Structure space of planes spread visualization of 3 d model.
5. a kind of complexity of the modeling method of the complicated crack rock physical model for being made based on 3D printing as claimed in claim 1
Crack rock physical model, it is characterised in that the complexity crack rock physical model includes:Discrete fracture network DFN mathematics
Model and entity discreteness Joint network simulation DFN physical model.
6. the building of complicated crack rock physical model for being made based on 3D printing described in a kind of application claim 1-4 any one
The ROCK MASS JOINT structure face mechanic analysis method of mould method.
7. the building of complicated crack rock physical model for being made based on 3D printing described in a kind of application claim 1-4 any one
The Geotechnical Engineering method of testing of mould method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610844752.5A CN106447776A (en) | 2016-09-22 | 2016-09-22 | Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610844752.5A CN106447776A (en) | 2016-09-22 | 2016-09-22 | Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106447776A true CN106447776A (en) | 2017-02-22 |
Family
ID=58167131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610844752.5A Pending CN106447776A (en) | 2016-09-22 | 2016-09-22 | Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106447776A (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107203670A (en) * | 2017-06-05 | 2017-09-26 | 北京科技大学 | A kind of discrete Joint network simulation model building method of coarse stochastic pattern |
CN108252336A (en) * | 2018-02-01 | 2018-07-06 | 重庆大学 | A kind of method that discontinuous body three-dimensional slope indoor model test is built by 3D printing technique |
CN108383447A (en) * | 2018-03-19 | 2018-08-10 | 上海理工大学 | The method for calculating nano-concrete energy to failure based on 3D printing technique |
CN108643894A (en) * | 2018-03-30 | 2018-10-12 | 长江大学 | Three-dimensional oil reservoir physical model tomography setting method |
CN108830317A (en) * | 2018-06-08 | 2018-11-16 | 绍兴文理学院 | The quick fine obtaining value method of open mine side slope ROCK MASS JOINT occurrence based on digital photogrammetry |
CN108959823A (en) * | 2018-08-01 | 2018-12-07 | 天地科技股份有限公司 | A kind of crack opening mode and filled-type complexity crack rock physical model construction method |
CN110135515A (en) * | 2019-05-23 | 2019-08-16 | 南京工业大学 | A kind of structural homogeneity of rock mass automatic Mesh Partition Method based on image texture |
CN110126058A (en) * | 2019-05-20 | 2019-08-16 | 重庆大学 | A kind of rock sample preparation method based on CT visualization and 3D printing |
CN110441122A (en) * | 2019-07-29 | 2019-11-12 | 中国矿业大学 | The anchoring test block Mold Making of standard cylinder joint and operating method based on 3D printing |
CN111605182A (en) * | 2019-12-11 | 2020-09-01 | 四川省科建煤炭产业技术研究院有限公司 | Preparation method of heterogeneous coal core of soft coal seam |
CN111611632A (en) * | 2020-04-17 | 2020-09-01 | 长沙矿山研究院有限责任公司 | Modeling method of discrete fracture network rock mass model based on photocuring 3D printing |
CN111896565A (en) * | 2020-06-29 | 2020-11-06 | 河海大学 | Method for testing permeability and bearing capacity of surrounding rock of deep-buried high-pressure grouting tunnel |
CN112304216A (en) * | 2020-09-30 | 2021-02-02 | 中电建冀交高速公路投资发展有限公司 | Rock mass information acquisition test system based on 3D printing model and verification method thereof |
CN112763288A (en) * | 2020-12-22 | 2021-05-07 | 清华大学 | Rock mass model manufacturing method based on 3D printing and combined with any cracks |
CN113656946A (en) * | 2021-07-27 | 2021-11-16 | 中国地质大学(武汉) | Geometric influence analysis method for rock mass mechanical parameters containing joint network |
CN115330975A (en) * | 2022-07-21 | 2022-11-11 | 北京科技大学 | Novel three-dimensional random rough structural surface network model and construction method and device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105158039A (en) * | 2015-09-08 | 2015-12-16 | 河海大学 | Manufacturing method of simulation fracture for fractured rock mass seepage test |
CN105628470A (en) * | 2015-12-29 | 2016-06-01 | 河海大学 | Preparation method of penetrated crack rock mass test specimen based on 3D (three-dimensional) printing technology |
CN105904573A (en) * | 2016-05-06 | 2016-08-31 | 河海大学 | Manufacture method for transparent rock masses based on 3D printing technology |
-
2016
- 2016-09-22 CN CN201610844752.5A patent/CN106447776A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105158039A (en) * | 2015-09-08 | 2015-12-16 | 河海大学 | Manufacturing method of simulation fracture for fractured rock mass seepage test |
CN105628470A (en) * | 2015-12-29 | 2016-06-01 | 河海大学 | Preparation method of penetrated crack rock mass test specimen based on 3D (three-dimensional) printing technology |
CN105904573A (en) * | 2016-05-06 | 2016-08-31 | 河海大学 | Manufacture method for transparent rock masses based on 3D printing technology |
Non-Patent Citations (3)
Title |
---|
何祥 等: "虚拟现实技术在露天矿边坡工程中的应用", 《金属矿山》 * |
李宁 等: "某铁矿边坡岩体结构面三维网络模拟研究", 《路基工程》 * |
鞠杨 等: "基于3D打印技术的岩体复杂结构与应力场的可视化方法", 《科学通报》 * |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107203670B (en) * | 2017-06-05 | 2019-06-14 | 北京科技大学 | A kind of discrete Joint network simulation model building method of coarse stochastic pattern |
CN107203670A (en) * | 2017-06-05 | 2017-09-26 | 北京科技大学 | A kind of discrete Joint network simulation model building method of coarse stochastic pattern |
CN108252336A (en) * | 2018-02-01 | 2018-07-06 | 重庆大学 | A kind of method that discontinuous body three-dimensional slope indoor model test is built by 3D printing technique |
CN108383447A (en) * | 2018-03-19 | 2018-08-10 | 上海理工大学 | The method for calculating nano-concrete energy to failure based on 3D printing technique |
CN108643894B (en) * | 2018-03-30 | 2022-03-29 | 长江大学 | Three-dimensional oil reservoir physical model fault setting method |
CN108643894A (en) * | 2018-03-30 | 2018-10-12 | 长江大学 | Three-dimensional oil reservoir physical model tomography setting method |
CN108830317A (en) * | 2018-06-08 | 2018-11-16 | 绍兴文理学院 | The quick fine obtaining value method of open mine side slope ROCK MASS JOINT occurrence based on digital photogrammetry |
CN108830317B (en) * | 2018-06-08 | 2022-04-15 | 宁波大学 | Rapid and fine evaluation method for joint attitude of surface mine slope rock mass based on digital photogrammetry |
CN108959823B (en) * | 2018-08-01 | 2022-12-02 | 天地科技股份有限公司 | Fracture opening type and filling type complex fractured rock physical model construction method |
CN108959823A (en) * | 2018-08-01 | 2018-12-07 | 天地科技股份有限公司 | A kind of crack opening mode and filled-type complexity crack rock physical model construction method |
CN110126058A (en) * | 2019-05-20 | 2019-08-16 | 重庆大学 | A kind of rock sample preparation method based on CT visualization and 3D printing |
CN110135515A (en) * | 2019-05-23 | 2019-08-16 | 南京工业大学 | A kind of structural homogeneity of rock mass automatic Mesh Partition Method based on image texture |
CN110441122B (en) * | 2019-07-29 | 2021-06-11 | 中国矿业大学 | Manufacturing and operating method of standard joint anchoring test block mold based on 3D printing |
CN110441122A (en) * | 2019-07-29 | 2019-11-12 | 中国矿业大学 | The anchoring test block Mold Making of standard cylinder joint and operating method based on 3D printing |
CN111605182B (en) * | 2019-12-11 | 2022-03-15 | 四川省科建煤炭产业技术研究院有限公司 | Preparation method of heterogeneous coal core of soft coal seam |
CN111605182A (en) * | 2019-12-11 | 2020-09-01 | 四川省科建煤炭产业技术研究院有限公司 | Preparation method of heterogeneous coal core of soft coal seam |
CN111611632A (en) * | 2020-04-17 | 2020-09-01 | 长沙矿山研究院有限责任公司 | Modeling method of discrete fracture network rock mass model based on photocuring 3D printing |
CN111896565A (en) * | 2020-06-29 | 2020-11-06 | 河海大学 | Method for testing permeability and bearing capacity of surrounding rock of deep-buried high-pressure grouting tunnel |
CN112304216A (en) * | 2020-09-30 | 2021-02-02 | 中电建冀交高速公路投资发展有限公司 | Rock mass information acquisition test system based on 3D printing model and verification method thereof |
CN112304216B (en) * | 2020-09-30 | 2022-04-08 | 中电建冀交高速公路投资发展有限公司 | Rock mass information acquisition test system based on 3D printing model and verification method thereof |
CN112763288A (en) * | 2020-12-22 | 2021-05-07 | 清华大学 | Rock mass model manufacturing method based on 3D printing and combined with any cracks |
CN113656946A (en) * | 2021-07-27 | 2021-11-16 | 中国地质大学(武汉) | Geometric influence analysis method for rock mass mechanical parameters containing joint network |
CN113656946B (en) * | 2021-07-27 | 2024-02-09 | 中国地质大学(武汉) | Geometrical influence analysis method for mechanical parameters of rock mass with joint network |
CN115330975A (en) * | 2022-07-21 | 2022-11-11 | 北京科技大学 | Novel three-dimensional random rough structural surface network model and construction method and device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106447776A (en) | Complex fractured rock mass physical model manufactured based on 3D printing productionand modeling method | |
Wu et al. | Experimental and numerical study on the interaction between holes and fissures in rock-like materials under uniaxial compression | |
Ju et al. | Visualization of the complex structure and stress field inside rock by means of 3D printing technology | |
CN105466790B (en) | A kind of rock structural face shear strength appraisal procedure of anisotropic character | |
Ju et al. | Numerical analysis of the failure process of soil–rock mixtures through computed tomography and PFC3D models | |
CN110415167B (en) | Rough surface crack generation method and test system based on digital image technology | |
CN105484739B (en) | Pore Pressure on Carbonate Rock Formation test method and device | |
CN107644121A (en) | The reverse three-dimensionalreconstruction and body modeling method of a kind of ground surface material skeleton structure | |
CN103076347B (en) | Measurement method for mechanical injury of brittle material based on in-situ X-ray tomography | |
Tatone | Investigating the evolution of rock discontinuity asperity degradation and void space morphology under direct shear | |
CN106127856A (en) | The method containing crack column strata model based on CT scan and 3D printing and making | |
CN111611632A (en) | Modeling method of discrete fracture network rock mass model based on photocuring 3D printing | |
Zhang et al. | Experimental investigation on splitting failure of high sidewall cavern under three-dimensional high in-situ stress | |
CN108819215A (en) | Unconventional petrophysical model 3D printing method and apparatus in high precision | |
Ma et al. | Experimental study on the influence of height and dip angle of asperity on the mechanical properties of rock joints | |
Resende et al. | Rock joint topography: three-dimensional scanning and numerical analysis | |
CN109064560A (en) | Geological conditions modeling method during a kind of constructing metro tunnel | |
Xia et al. | Application of 3D printing technology in the mechanical testing of complex structural rock masses | |
CN104121864B (en) | A kind of gap evaluation methodology of rock changing of the relative positions fracture surface | |
CN116542050A (en) | Multi-scale simulation method for excavation stability of jointed rock mass | |
CN113656946B (en) | Geometrical influence analysis method for mechanical parameters of rock mass with joint network | |
Ju et al. | Three-dimensional numerical reconstruction method for irregular structures of granular geomaterials | |
Wu et al. | Study on a new inversion method for non-uniform distribution of rock material parameters | |
CN114049461A (en) | Three-dimensional digital reconstruction and numerical simulation method of random slate sample | |
WANG et al. | Mechanical characteristics and fracture mechanism of 3D printed rock samples with cross joints |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
RJ01 | Rejection of invention patent application after publication |