CN105625292B - Weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method - Google Patents
Weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method Download PDFInfo
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- CN105625292B CN105625292B CN201610076064.9A CN201610076064A CN105625292B CN 105625292 B CN105625292 B CN 105625292B CN 201610076064 A CN201610076064 A CN 201610076064A CN 105625292 B CN105625292 B CN 105625292B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
- E02D1/025—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil combined with sampling
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- Environmental & Geological Engineering (AREA)
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method, comprise the following steps：(1) resolution grouting model test high of arranging in order more is implemented；(2) observation arrangement of measuring-line is disclosed with section is measured；(3) slurries gelinite feature measures record and laboratory experiment sample is obtained；(4) reinforcing body characteristic 3 D distributional pattern is described；(5) indoor soil mechanics and hydraulic experiment；(6) slip casting flooding mechanism and grouting and reinforcing pattern analysis.It is the compound grouting and reinforcing pattern such as the monotype such as densification type, osmosis type, splitting type and densification splitting type, infiltration splitting type by grouting and reinforcing mode division.Quantitative research method is provided with regard to slip casting effect inspection in grouting model test and the determination of reinforcing body three-dimensional space data body first, information is excessively lost in overcoming grouting test, it is impossible to the problem excavated comprehensively.
Description
Technical field
The present invention relates to soft-fractured rock mass in a kind of During Geotechnical Tests data acquisition technology, especially a kind of indoor grouting test
Body grouting and reinforcing efficiency three-dimensional space data acquisition method.
Background technology
In the underground engineering constructions such as mine, tunnel, often there is the problems such as surrouding rock deformation is big, water yield is big, or even can send out
The raw prominent mud disaster of gushing water, causes huge personnel's property loss.Slip casting is used as a kind of one kind reinforced weak surrounding rock, administer water damage
Effective means has obtained increasingly being widely applied in underground engineering disasters improvement.The data of current grouting test are extracted except soil
Outside the data monitorings such as pressure, osmotic pressure and displacement, slip casting effect inspection has two kinds of approach, and one is by mixed grouting and reinforcing
It is filled in small mould before body solidification, tests mechanical strength and hydraulic parameter, the shortcoming of this method is can not to embody pulp
The anisotropy of liquid diffusion, can not obtain the information of the Diffusion Law of splitting slurry arteries and veins；Two is using the testing stand manually piled up
It is upper to carry out experiment, in local location sampling and testing mechanics and hydraulic parameter after experiment, or excavated to observe slurry by simple
Arteries and veins form, it is difficult to take into account slip casting effect inspection and sentence knowledge with slurry arteries and veins spatial shape, cause a large amount of of grouting model test valid data
Lose.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of weak-fracture zone grouting and reinforcing effect
Can three-dimensional space data acquisition method, the perfect grouting test data of the method extract and analysis method, improve grouting test
Quality and science.
To achieve the above object, the present invention uses following technical proposals：
A kind of weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method, comprises the following steps：
1. many order resolution grouting model tests high are implemented；
According to test objective, carry out many order grouting tests using three-dimensional filling system, and meet injecting paste material and slurries
Gelinite resolution demand high.
Further, described grouting model test, including：
(1) grouting model test solution formulation：According to experiment purpose, many order grouting model test schemes are formulated, it is determined that
Test drilling quantity or processing inlet well structure.
(2) order grouting device more makes：Slip casting obstructing instrument is made using aluminium flake, making many sequences of single hole using pvc pipe notes
Sizing device.
(3) sequence injecting paste material is divided to prepare：It is added to cement mortar slurries using the iron oxides pigment of size performance is not influenceed
In, slurries and slurries gelinite is embodied different colors, to distinguish different order slurry materials.Analysis is compared according to experiment in advance,
The iron oxides pigment of use include iron oxide blue, iron oxide orange pigments, iron oxide black, iron oxide brown, iron oxide green, iron oxide yellow,
Iron oxide red, when additive quality and dry cement mass values respectively reach 2.3,2.7,1.5,2.0,1.5,1.5,1.5, can
Obvious blue, orange, black, brownish red, green, yellow and kermesinus is presented after making cement grout gel, additionally, such side
Method also can be used in cement-sodium silicate double liquid.
(4) slip casting process control：Slip casting process control is carried out by controlling final grouting pressure and slip casting speed, to ensure slip casting
Effect and slip casting safety.
2. observation arrangement of measuring-line is disclosed with section is measured, including：
(1) determination of observation line direction, quantity and survey line spacing
After the completion of grouting test, after reinforcing body curing time reaches 24h, many order grouting devices are opened, arrangement longitudinal direction is seen
Survey line, the preferably parallel inlet well line arrangement of the line of observation.Survey line spacing is determined according to research precision, 50~100mm is typically taken.Survey
After line is set, calibration position and sequence number, prevent entanglement on test platform.
(2) observation section discloses method
First with cutting machine along survey line slot, thereafter by the instruments such as electric saw, scoop excavate, cut out top section or
Whole sections.After section is disclosed, wooden rule is placed on rig for model test, lower surface is used as the line of benchmark 0；Wooden rule parallel observation is cutd open
Face is laid, and one side is concordant with observation section；Mark point is machined with the side, according to 1,2,3 etc. serial number；Mark
Spacing 50mm between point, as the case may be appropriate increase or reduction.
3. slurries gelinite feature measures record and laboratory experiment sample is obtained
(1) observation cross-sectional data is measured and record
Determine coordinate system and direction：Designed according to grouting test, choose suitable Descartes's three-dimensional system of coordinate, be typically chosen
Main grouting port is the origin of coordinates, parallel observation line and is set to x-axis positive direction along observed direction, and vertical x-axis is y-axis in horizontal plane,
Vertical x-axis is z-axis in observation section.
Before each observation section cutting, No. 1 point of scale is overlapped with observation section starting point, according to filling system top surface and
The relative position of main grouting port determines the three-dimensional coordinate of each mark point on scale, is recorded in detail.
Plumb line is drawn from mark point, the slurry arteries and veins form of plumb line process and staggeredly closing for other slurry arteries and veins is primarily determined that
System.Then placed using steel ruler laminating observation section Vertical surveyors' staff, the slurry arteries and veins information that record plumb line passes through successively from top to bottom,
Including from scale starting, slurry arteries and veins top, bottom surface depth starch the color of arteries and veins, if starch the information such as pulse-phases friendship with other；By these data
Record in detail, form initial data.
Using squared paper according to 1:10 or 1:5 engineer's scale completes the sketch map of slurry arteries and veins distribution, using the wax of different colours
Pen describes slurry arteries and veins form.
(2) indoor soil mechanics and hydraulic experiment sample are obtained
Sample is obtained from the reinforcing body for cutting down, is cut using cutting ring, meet shearing test and permeability examination
Test requirement
4. reinforcing body characteristic 3 D distributional pattern is described, including:
(1) choosing suitable processing means makes data electronic disposal
Using data processing toolses such as excel, the data of acquisition are processed, three dimensional space coordinate is converted into, with this
It is determined that slurry arteries and veins thickness, coordinate, slip casting order and the cutting syntagmatic of arteries and veins is starched with other with slurry arteries and veins.
(2) slurry arteries and veins three dimensions spread figure is drawn using mapping software
The three-dimensional spatial distribution form of slurry arteries and veins, analysis slurry arteries and veins Diffusion Law and slurry arteries and veins splitting time are drawn using related software
Sequence, is that slip casting Analysis of Spreading Mechanism proposes support
5. soil mechanics and hydraulic experiment in room
(1) indoor Soil mechanics experiment：Carry out direct shear test using ZJ-4 type strain controllings direct shear apparatus, test cutting ring is obtained
The shearing strength of soil mechanics test specimen, the shearing strength of comparative analysis diverse location test specimen；Direct shear test is known technology, is no longer gone to live in the household of one's in-laws on getting married
State.
(2) indoor hydraulic experiment：Carry out reinforcing body permeability test using TST-55 lysimeters, test cutting ring is obtained
Hydraulics test sample infiltration coefficient, the infiltration coefficient of comparative analysis diverse location test specimen.Permeability test is known technology,
Repeat no more.
6. slip casting flooding mechanism and grouting and reinforcing pattern analysis
(1) slip casting flooding mechanism analysis, observes slurries gel form, determines diffusion way：If gelinite is in partial points
Shape is distributed, then slurries occur diffusion；If gel form is the bulk shapes such as irregular spherical, elliposoidal, slurries hair
Raw densification diffusion；If gel form is the trunk arteries and veins-point system for starching arteries and veins that is connected, there is splitting diffusion in slurries.According to slurry
Liquid diffusion mode carries out the mechanical mechanism analysis of slip casting diffusion process；
(2) induction and conclusion grouting and reinforcing pattern, grouting and reinforcing mode type is divided according to the leading diffusion mode of slurries.If grinding
Study carefully scope slurries predominantly diffusion, be then divided into osmosis type reinforcement mode；If research range slurries are mainly densification diffusion,
Then it is divided into densification type reinforcement mode；If research range slurries are mainly splitting diffusion, splitting type reinforcement mode is divided into；If
Research range slurries are mainly densification diffusion and splitting diffusion, then be divided into densification-splitting type composite consolidation pattern；If research model
Enclose slurries and be mainly infiltration-splitting diffusion, be then divided into infiltration-splitting type composite consolidation pattern.On above analysis foundation, always
Tie the feature of various reinforcement modes.
The present invention proposes weak-fracture zone and reinforces effect test and reinforce the three dimensions such as mechanics, hydraulics characteristic
The acquisition methods of information, perfect grouting test data are extracted and analysis method, improve grouting test quality with it is scientific.It is real
Rock mass mechanics and hydraulic properties after grouting and reinforcing body spatial shape Accuracy Analysis, slurries diffusion path are sentenced knowledge and reinforced are showed
Improvement degree quantitative assessment, is that grouting and reinforcing theoretical research and numerical analysis provide technical support.
The present invention has taken into full account reinforcing body physical index spatial distribution heterogeneity rule in model test, using subregion
The fine excavation method of section obtains different parts, the test sample of different blocks reinforcing body, and measures, gathers slurry arteries and veins distribution mode,
For grouting model test slurries Diffusion Law, reinforcing body physical index improvement degree distribution and Changing Pattern research provide first-hand
Research technique and data.
Grouting and reinforcing mode division is monotype and the densification-splitting types such as densification type, osmosis type, splitting type, oozed by the present invention
The compound grouting and reinforcing pattern such as thoroughly-splitting type.First with regard to slip casting effect inspection in grouting model test and reinforcing body three-dimensional space
Between the determination of data volume provide Quantitative research method, the information in grouting test that overcomes excessively is lost, it is impossible to excavate comprehensively
Problem.
The three-dimensional space data acquisition method is simple and easy to apply, simple to operate, carries out to be based further on grouting model test
Slip casting diffusion lays the foundation with Reinforcement Theory research.
Brief description of the drawings
Fig. 1 is workflow diagram of the invention；
Fig. 2 is to excavate many orders slurry arteries and veins profile figure for disclosing；
Fig. 3 is the result after processing that quantizes.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Improve the three-dimensional spatial distribution rule of degree, profit for ease of physical index in convenient accurate test grouting model test
The test sample of different parts, different blocks reinforcing body is obtained with the fine excavation method of sectional, and measured, gathered slurry arteries and veins spread
Form, for grouting model test slurries Diffusion Law, reinforcing body physical index improvement degree distribution and Changing Pattern research are provided
First hand research technique and data.
Weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method, its step is：
1. many order resolution grouting model tests high are implemented；
According to test objective, carry out many order grouting tests using three-dimensional filling system, and meet injecting paste material and slurries
Gelinite resolution demand high.
Further, described grouting model test, including：
(1) grouting model test solution formulation：According to experiment purpose, many order grouting model test schemes are formulated, it is determined that
Test drilling quantity or processing inlet well structure.
(2) order grouting device more makes：Slip casting obstructing instrument is made using aluminium flake, making many sequences of single hole using pvc pipe notes
Sizing device.
(3) sequence injecting paste material is divided to prepare：It is added to cement mortar slurries using the iron oxides pigment of size performance is not influenceed
In, slurries and slurries gelinite is embodied different colors, to distinguish different order slurry materials.Analysis is compared according to experiment in advance,
The iron oxides pigment of use include iron oxide blue, iron oxide orange pigments, iron oxide black, iron oxide brown, iron oxide green, iron oxide yellow,
Iron oxide red, when additive quality and dry cement mass values respectively reach 2.3,2.7,1.5,2.0,1.5,1.5,1.5, can
Obvious blue, orange, black, brownish red, green, yellow and kermesinus is presented after making cement grout gel, additionally, such side
Method also can be used in cement-sodium silicate double liquid.
(4) slip casting process control：Slip casting process control is carried out by controlling final grouting pressure and slip casting speed, to ensure slip casting
Effect and slip casting safety.
2. observation arrangement of measuring-line is disclosed with section is measured, including：
(1) determination of observation line direction, quantity and survey line spacing
After the completion of grouting test, after reinforcing body curing time reaches 24h, many order grouting devices are opened, arrangement longitudinal direction is seen
Survey line, the preferably parallel inlet well line arrangement of the line of observation.Survey line spacing is determined according to research precision, 50~100mm is typically taken.Survey
After line is set, calibration position and sequence number, prevent entanglement on test platform.
(2) observation section discloses method
First with cutting machine along survey line slot, thereafter by the instruments such as electric saw, scoop excavate, cut out top section or
Whole sections.After section is disclosed, wooden rule is placed on rig for model test, lower surface is used as the line of benchmark 0；Wooden rule parallel observation is cutd open
Face is laid, and one side is concordant with observation section；Mark point is machined with the side, according to 1,2,3 etc. serial number；Mark
Spacing 50mm between point, as the case may be appropriate increase or reduction.
3. slurries gelinite feature measures record and laboratory experiment sample is obtained
(1) observation cross-sectional data is measured and record
Determine coordinate system and direction：Designed according to grouting test, choose suitable Descartes's three-dimensional system of coordinate, be typically chosen
Main grouting port is the origin of coordinates, parallel observation line and is set to x-axis positive direction along observed direction, and vertical x-axis is y-axis in horizontal plane,
Vertical x-axis is z-axis in observation section.
Before each observation section cutting, No. 1 point of scale is overlapped with observation section starting point, according to filling system top surface and
The relative position of main grouting port determines the three-dimensional coordinate of each mark point on scale, is recorded in detail.
Plumb line is drawn from mark point, the slurry arteries and veins form of plumb line process and staggeredly closing for other slurry arteries and veins is primarily determined that
System.Then placed using steel ruler laminating observation section Vertical surveyors' staff, the slurry arteries and veins information that record plumb line passes through successively from top to bottom,
Including from scale starting, slurry arteries and veins top, bottom surface depth starch the color of arteries and veins, if starch the information such as pulse-phases friendship with other；By these data
Record in detail, form initial data.
Using squared paper according to 1:10 or 1:5 engineer's scale completes the sketch map of slurry arteries and veins distribution, using the wax of different colours
Pen describes slurry arteries and veins form.
(2) indoor soil mechanics and hydraulic experiment sample are obtained
Sample is obtained from the reinforcing body for cutting down, is cut using cutting ring, meet shearing test and permeability examination
Test requirement
4. reinforcing body characteristic 3 D distributional pattern is described, including:
(1) choosing suitable processing means makes data electronic disposal
Using data processing toolses such as excel, the data of acquisition are processed, three dimensional space coordinate is converted into, with this
It is determined that slurry arteries and veins thickness, coordinate, slip casting order and the cutting syntagmatic of arteries and veins is starched with other with slurry arteries and veins.
(2) slurry arteries and veins three dimensions spread figure is drawn using mapping software
The three-dimensional spatial distribution form of slurry arteries and veins, analysis slurry arteries and veins Diffusion Law and slurry arteries and veins splitting time are drawn using related software
Sequence, is that slip casting Analysis of Spreading Mechanism proposes support
5. soil mechanics and hydraulic experiment in room
(1) indoor Soil mechanics experiment, direct shear test is carried out using ZJ-4 type strain controllings direct shear apparatus, and test cutting ring is obtained
The shearing strength of soil mechanics test specimen, the shearing strength of comparative analysis diverse location test specimen.Direct shear test is known technology, is no longer gone to live in the household of one's in-laws on getting married
State.
(2) indoor hydraulic experiment, reinforcing body permeability test is carried out using TST-55 lysimeters, and test cutting ring is obtained
Hydraulics test sample infiltration coefficient, the infiltration coefficient of comparative analysis diverse location test specimen.Permeability test is known technology,
Repeat no more.
6. slip casting flooding mechanism and grouting and reinforcing pattern analysis
(1) slip casting flooding mechanism analysis, observes slurries gel form, determines diffusion way：If gelinite is in partial points
Shape is distributed, then slurries occur diffusion；If gel form is the bulk shapes such as irregular spherical, elliposoidal, slurries hair
Raw densification diffusion；If gel form is the trunk arteries and veins-point system for starching arteries and veins that is connected, there is splitting diffusion in slurries.According to slurry
Liquid diffusion mode carries out the mechanical mechanism analysis of slip casting diffusion process；
(2) induction and conclusion grouting and reinforcing pattern, grouting and reinforcing mode type is divided according to the leading diffusion mode of slurries.If grinding
Study carefully scope slurries predominantly diffusion, be then divided into osmosis type reinforcement mode；If research range slurries are mainly densification diffusion,
Then it is divided into densification type reinforcement mode；If research range slurries are mainly splitting diffusion, splitting type reinforcement mode is divided into；If
Research range slurries are mainly densification diffusion and splitting diffusion, then be divided into densification-splitting type composite consolidation pattern；If research model
Enclose slurries and be mainly infiltration-splitting diffusion, be then divided into infiltration-splitting type composite consolidation pattern.On above analysis foundation, always
Tie the feature of various reinforcement modes.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (7)
1. a kind of weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method, it is characterized in that, including following step
Suddenly：
1) resolution grouting model test high of arranging in order more is implemented, including：
（1）Formulate grouting model test scheme；
（2）Make many order grouting devices；
（3）A point order injecting paste material is prepared, using not influenceing the iron oxides pigment of size performance to be added in cement mortar slurries,
Slurries and slurries gelinite is set to embody different colors, to distinguish different order slurry materials；
（4）Control slip casting process；
2) observation arrangement of measuring-line is disclosed with section is measured；Including：
（1）It is determined that observation line direction, quantity and survey line spacing；
（2）Observation section discloses method,
Slotted along survey line first with cutting machine, excavated by electric saw, scoop instrument thereafter, cut out top section or all cut open
Face；After section is disclosed, wooden rule is placed on rig for model test, lower surface is used as the line of benchmark 0；Wooden rule parallel observation section is pacified
Put, and one side is concordant with observation section；Mark point is machined with the side, according to the serial number of 1,2,3 ... n；Mark
Spacing 50mm between point；N is natural number；
3) slurries gelinite feature measures record and laboratory experiment sample is obtained, including：
（1）Observation cross-sectional data is measured and record；
（2）Indoor soil mechanics and hydraulic experiment sample are obtained, and sample is obtained from the reinforcing body for cutting down, and are cut using cutting ring
Take, meet shearing test and permeability test requirement；
4) reinforcing body characteristic 3 D distributional pattern is described；Including：
（1）Choosing processing means makes data electronic disposal, by the use of excel as data processing tools, the data of acquisition is entered
Row treatment, is converted into three dimensional space coordinate, is arranged in order with this determination slurry arteries and veins thickness, coordinate, slip casting and the cutting with other slurry arteries and veins
Syntagmatic；
（2）Slurry arteries and veins three dimensions spread figure is drawn using mapping software；
5) indoor soil mechanics and hydraulic experiment；
6) slip casting flooding mechanism and grouting and reinforcing pattern analysis.
2. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 1）In, (1) formulates grouting model test scheme：According to experiment purpose, many order grouting model test sides are formulated
Case, determines test drilling quantity or processing inlet well structure；
(2) many order grouting devices are made：Slip casting obstructing instrument is made using aluminium flake, is made using pvc pipe and arrange in order slip casting single hole more
Device；
(3) a point sequence injecting paste material is prepared：Analysis is compared according to experiment in advance, the iron oxides pigment of use include iron oxide blue,
Iron oxide orange pigments, iron oxide black, iron oxide brown, iron oxide green, iron oxide yellow, iron oxide red, when additive quality and solid carbon dioxide shale
When amount ratio respectively reaches 2.3,2.7,1.5,2.0,1.5,1.5,1.5, obvious blue, orange is presented after making cement grout gel
Color, black, brownish red, green, yellow and kermesinus；
(4) slip casting process is controlled：Slip casting process control is carried out by controlling final grouting pressure and slip casting speed, to ensure that slip casting is imitated
Fruit and slip casting safety.
3. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 2）In, it is determined that observation line direction, quantity and survey line spacing particular technique are：After the completion of grouting test, reinforcing body
After curing time reaches 24h, many order grouting devices are opened, arrange vertical relations line, the parallel inlet well line cloth of the line of observation
Put, survey line spacing is determined according to research precision, take 50 ~ 100mm, after survey line is set, calibration position and sequence number on test platform,
Prevent entanglement.
4. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 3）In, it is to determine coordinate system and direction that observation cross-sectional data is measured with record particular technique：Set according to grouting test
Meter, chooses Descartes's three-dimensional system of coordinate, and it is the origin of coordinates to select main grouting port, parallel observation line and is set to x-axis along observed direction
Positive direction, vertical x-axis is y-axis in horizontal plane, and vertical x-axis is z-axis in observation section；
Before each observation section cutting, No. 1 point of scale is overlapped with observation section starting point, according to filling system top surface and main note
The relative position for starching mouth determines the three-dimensional coordinate of each mark point on scale, is recorded in detail；
Plumb line is drawn from mark point, the false relation for starching arteries and veins form and other slurry arteries and veins that plumb line passes through is primarily determined that；So
Placed using steel ruler laminating observation section Vertical surveyors' staff afterwards, the slurry arteries and veins information that record plumb line passes through successively from top to bottom, including
From scale starting, slurry arteries and veins top, bottom surface depth starch the color of arteries and veins, if hand over information with other slurry pulse-phases；These data are remembered in detail
Record is got off, and forms initial data；
Using squared paper according to 1:10 or 1:5 engineer's scale completes the sketch map of slurry arteries and veins distribution, is retouched using the wax crayon of different colours
Paint slurry arteries and veins form.
5. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 4）In, the three-dimensional spatial distribution form of arteries and veins is starched using existing Software on Drawing, analysis slurry arteries and veins Diffusion Law and slurry arteries and veins are split
Order is split, is that slip casting Analysis of Spreading Mechanism proposes support.
6. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 5）Including：
(1) indoor Soil mechanics experiment：Carry out direct shear test, the soil mechanics test specimen that test cutting ring is obtained using strain controlling direct shear apparatus
Shearing strength, the shearing strength of comparative analysis diverse location test specimen；
(2) indoor hydraulic experiment：Carry out reinforcing body permeability test using lysimeter, the hydraulics examination that test cutting ring is obtained
Test the infiltration coefficient of sample, the infiltration coefficient of comparative analysis diverse location test specimen.
7. weak-fracture zone grouting and reinforcing efficiency three-dimensional space data acquisition method as claimed in claim 1, it is characterized in that,
The step 6）Including：
(1) slip casting flooding mechanism analysis：Observation slurries gel form, determines diffusion way：If gelinite is in local point-like point
Cloth, then slurries occur diffusion；If gel form is irregular spherical, elliposoidal bulk shape, there is densification in slurries
Diffusion；If gel form is the trunk arteries and veins-point system for starching arteries and veins that is connected, there is splitting diffusion in slurries；Spread according to slurries
Form carries out the mechanical mechanism analysis of slip casting diffusion process；
(2) induction and conclusion grouting and reinforcing pattern：Grouting and reinforcing mode type is divided according to the leading diffusion mode of slurries, if research model
Slurries predominantly diffusion is enclosed, is then divided into osmosis type reinforcement mode；If research range slurries are mainly densification diffusion, draw
It is divided into densification type reinforcement mode；If research range slurries are mainly splitting diffusion, splitting type reinforcement mode is divided into；If research
Scope slurries are mainly densification diffusion and splitting diffusion, then be divided into densification-splitting type composite consolidation pattern；If research range is starched
Liquid is mainly infiltration-splitting diffusion, then be divided into infiltration-splitting type composite consolidation pattern；On above analysis foundation, summarize each
Plant the feature of reinforcement mode.
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| CN108036985B (en) * | 2017-12-27 | 2023-08-11 | 刘睿洋 | Device and method for manufacturing split grouting slurry vein and detecting permeability coefficient |
| CN108412498B (en) * | 2018-03-06 | 2019-04-02 | 山东科技大学 | Freeze sinking construction pit shaft annular causes calamity channel grouting treatment design method |
| CN109975177B (en) * | 2019-04-30 | 2023-11-10 | 中南大学 | Simulation test device and method for grouting diffusion form of horizontal grouting port |
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| CN104458506A (en) * | 2014-12-22 | 2015-03-25 | 中国矿业大学 | Method for measuring and controlling diffusion range of grouted slurry in rock-soil mass |
| CN104880544A (en) * | 2015-04-02 | 2015-09-02 | 山东大学 | Method for detecting and evaluating reinforcing effect on weak surrounding rock grouting during underground construction |
| CN104965060A (en) * | 2015-07-02 | 2015-10-07 | 山东大学 | Simulation experiment method for evaluating grouting reinforcement effect of different factors on fractured rock mass |
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