CN106248454A - A kind of manufacture method of transparent petrophysical model structural plane test specimen - Google Patents
A kind of manufacture method of transparent petrophysical model structural plane test specimen Download PDFInfo
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- CN106248454A CN106248454A CN201610646740.1A CN201610646740A CN106248454A CN 106248454 A CN106248454 A CN 106248454A CN 201610646740 A CN201610646740 A CN 201610646740A CN 106248454 A CN106248454 A CN 106248454A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/364—Embedding or analogous mounting of samples using resins, epoxy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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Abstract
A kind of method making transparent petrophysical model structural plane test specimen, the method comprises the following steps: 1) produce protolith structural plane；2) structural plane is put into stainless steel mould；3) the silica gel opposite model of protolith structural plane is made；4) weigh transparent epoxy resin to put in container；5) in step 4) container adds firming agent, the mixed solution after order stirring removes wherein bubble by slight vibrations in negative pressure of vacuum environment；6) by step 3) in make opposite silica gel model be placed in step 2) mould in；7) by step 5 in negative pressure of vacuum environment) mixed solution for preparing is poured slowly into mould along chamber wall, stops after arriving certain position；8) transparent epoxy resin cube block customized for factory is placed on the mixed solution before solidification, makes two parts level bond, obtain can be used for the model configuration face of rock Visualization.The present invention configuration of surface that reaction structure face is trickle effectively really, transparency are good, repeatable preferably.
Description
Technical field
The present invention relates to the Geotechnical Engineering field in civil engineering, a kind of transparent petrophysical model structure is interviewed
The manufacture method of part.
Background technology
Rock mass in nature is subject to complicated geological effect and creates various structural plane, and these structural planes are at very great Cheng
Mechanics and the seepage flow characteristics of jointed rock mass is affected on degree.Owing to the unavailable visible ray of rock is directly had an X-rayed, traditional rock examination
Test and cannot observe the change of rock interior geometric shape in process of the test, thus interior during rock stress destruction cannot be known
The microphenomenoies such as the generation in crack, portion, the transparent rock sample utilizing analog material to make then can solve this significant problem.
The transparent test specimen of current simulation rock uses overall coagulation forming method to make, and the test specimen transparency of molding is high, visual good, but
It does not contains structural plane, or its internal structure face is not based on true rock structural face and makes, thus cannot react joint really
Every mechanics of reason rock mass and seepage characteristic.It is therefore desirable to utilize transparent analog material to make mould based on true rock surface
Intend structural plane, thus obtain the internal information of model in process of the test.
Chinese patent application " the high brittle transparent rock-like materials test material preparation side of Application No. 201410036721.8
Method " disclose a kind of transparent rocks test specimen, use mica sheet prefabricated crack, mica sheet is fixed in oval steel mold,
Pour compound moulding by casting into, make different bar number, different angles, the three-dimensional fracture test specimen of different position relatively.The method
Rocks test specimen model is not based on natural rock mass, has deviation with actual in actual use.
" one simulates rock sample sheet in rock sample Visualization to the Chinese patent application of Application No. 2014510017229.0
The method of reason structure " a kind of method simulating transparent rock sample internal sheets reason structure is disclosed, use and melt wax liquid prefabricated film reason structure,
It is fixed in silica gel mould on demand, pours resin mixture liquor global formation into.The sheet reason structure that the method makes is not base
In natural rock rough surface, application condition is big.
The making of conventional transparent rock structural face is difficult to the configuration of surface that real reaction structure face is trickle, meanwhile, with thoroughly
When bright solution makes, if sample path length is relatively big, then the high temperature high heat produced in inside during solution solidification will change the property of material
Matter, affects the flatness on surface and the transparency of material.The problem that the transparent imitation specimen of factory's customization does not generate heat, but can only
Make the test specimen of more rule, not there is the surface character of true rock structural face.
Summary of the invention
In order to overcome the production method of existing transparent petrophysical model structural plane test specimen to be difficult to real reaction structure face thin
Micro-configuration of surface, transparency poor deficiency poor, repeatable, the present invention provides the most real a kind of reaction structure face
Trickle configuration of surface, transparency are good, the manufacture method of the preferable transparent petrophysical model structural plane test specimen of repeatability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of method making transparent petrophysical model structural plane test specimen, the method comprises the following steps:
1) produce protolith structural plane: process rock sample with corning machine or rock cutter and stone mill, use different tests
Method carries out failure test to rock sample, generating structure face in test specimen, and is carried out structural plane surface, removes fragment
And landwaste；
2) stainless steel mould is prepared: according to the customized mould of size in making model structure face, the left and right opposite of mould can
To adjust dismounting；Stainless steel mould is adjusted level, is uniformly coated with releasing agent at die inside；
3) the opposite silica gel model structural plane of protolith structural plane is made: by step 1) the protolith structural plane produced is placed in
Step 2) in stainless steel mould in, negative pressure of vacuum environment is slowly toppled over silica gel along die edge to the neatest with mould top edge
Flat, after silica gel solidifies, take out silica gel model structural plane；
4) transparent epoxy resin is weighed: weigh the transparent ring of required quality according to the size of the protolith structural plane of required making
Epoxy resins is put in a vessel；
5) transparent epoxy resin mixed solution is made: to step 4) transparent epoxy resin that weighs adds firming agent,
Transparent epoxy resin is 20:1 to 60:1 with the mass ratio of firming agent, is slowly stirred to mix homogeneously after adding well, then will hold
Device is positioned in negative pressure of vacuum case, makes mixed solution be removed the bubble of the inside in negative pressure of vacuum environment by vibrations, makes mixing
Solution becomes clarification；
6) pour solution into: by step 3) in make silica gel model structural plane be placed in step 2) stainless steel mould in, knot
Structure faces up, and horizontal for die adjustment tailing edge die edge is poured slowly into step 5) the epoxy resin mixed solution produced, when mixed
Conjunction solution height rises to stop during 1/5 to the 1/4 of mould inside residual volume, and then container is positioned over negative pressure of vacuum case
In, make mixed solution be removed the bubble of the inside in negative pressure of vacuum environment by slight vibrations；
7) make test specimen: transparent epoxy resin cube block alignment mould factory customized, cover gently in step 6)
On mixed solution in mould, two parts are made to be in close contact and mutually be bonded together, after waiting that it is fully cured, by mould
Dismantle and make the upper and lower two parts in model structure face to separate, obtain model structure face.
Further, described step 1) in, described different tests method is Brazil's splitting method, direct shearing method and list
Axle drawing process.
Described step 1) in, described rock sample is to carry out the cube specimen that failure test obtains on testing machine.
Described step 2) in, it is coated with last layer vaseline at mould joint during assembling stainless steel mould so that stainless
Steel mold is readily accessible.
Described step 3), step 5), step 6) in negative pressure of vacuum case manufacture negative pressure of vacuum environment.
Described step 5) in, the time being slowly stirred is 40-60s.It is preferably 60s.
Described step 5) in, described firming agent composition is modified aliphatic polyamines.It is of course also possible to be other.
Described step 7) in, the transparent epoxy resin block of customization and epoxy resin mixed solution are commaterials, can
Being seamless bonding, Apyrexic problem, its length and width size and protolith consistent size, thickness is 4/5 to the 3/4 of protolith size, transparent
Degree height, smooth surface is smooth, it is not necessary to extra surface processes can be directly used in test.
The beneficial effects are mainly as follows: 1) can copy consistent with protolith structural plane configuration of surface transparent
Model structure face, this model structure face is consistent with the surface roughness values of protolith structural plane；2) transparent epoxy of customization is used
The Apyrexic problem in model structure face that the method that resin block combines with transparent epoxy resin solution makes, transparency is good,
Internal structure is visual, it is possible to resolve the problem that cannot obtain structural plane internal information in existing test, makes rock Visualization have
There is higher credibility；3) present invention can have the transparent of identical roughness value according to the making of same protolith structural plane is a collection of
Model structure face, it is simple to relative analysis, it is to avoid in making protolith structural plane, roughness value discreteness is big, repeatable difference
Defect, has broad application prospects in rock physics mechanical property (staight scissors, seepage flow etc.) Visualization.
Accompanying drawing explanation
Fig. 1 is step 3 of the present invention) produce opposite silica gel model structural plane schematic diagram.
Fig. 2 is step 6 of the present invention) pour epoxy resin mixed solution into specifying position view.
Fig. 3 is step 7 of the present invention) make transparent epoxy resin block and mixed solution horizontal close laminating schematic diagram.
Wherein, 1, opposite silica gel model structural plane；2, transparent epoxy resin mixed solution；3, stainless steel mould；4, saturating
Bright epoxy resin cube block；5, protolith structural plane.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
With reference to Fig. 1～Fig. 3, a kind of method making transparent petrophysical model structural plane test specimen, the method comprises the following steps:
1) produce protolith structural plane: process rock sample with corning machine or rock cutter and stone mill, use different tests
Method carries out failure test to rock sample, generating structure face in test specimen, and is carried out structural plane surface, removes fragment
And landwaste；Described different tests method is Brazil's splitting method, direct shearing method and monoaxial stretching method；
2) stainless steel mould is prepared: according to the customized mould of size in making model structure face, the left and right opposite of mould can
To adjust dismounting.Stainless steel mould is adjusted level, is uniformly coated with releasing agent at die inside.
3) the opposite silica gel model structural plane of protolith structural plane is made: by step 1) the protolith structural plane produced is placed in
Step 2) in stainless steel mould in, negative pressure of vacuum environment is slowly toppled over silica gel along die edge to just and mould top
Edge flushes, and takes out silica gel model structural plane after silica gel solidifies；
4) transparent epoxy resin is weighed: weigh the transparent ring of required quality according to the size of the protolith structural plane of required making
Epoxy resins is put in a vessel；
5) transparent epoxy resin mixed solution is made: to step 4) transparent epoxy resin that weighs adds firming agent,
Transparent epoxy resin is 20:1 to 60:1 (such as selecting 20:1,30:1 or 60:1) with the mass ratio of firming agent, slow after adding well
Slowly stir to mix homogeneously, then container is positioned in negative pressure of vacuum case, make mixed solution pass through in negative pressure of vacuum environment
The bubble of the inside is removed in slight vibrations, makes mixed solution become clarification；
6) pour solution into: by step 3) in make silica gel model structural plane be placed in step 2) stainless steel mould in, knot
Structure faces up, and horizontal for die adjustment tailing edge die edge is poured slowly into step 5) the epoxy resin mixed solution produced, when mixed
Conjunction solution height rises to stop, then during 1/5 to 1/4 (such as selecting 1/5,9/40 or 1/4) of mould inside residual volume
Container is positioned in negative pressure of vacuum case, makes mixed solution be removed the gas of the inside in negative pressure of vacuum environment by slight vibrations
Bubble；
7) make test specimen: transparent epoxy resin cube block alignment mould factory customized, cover gently in step 6)
On mixed solution in mould, make two parts be in close contact and be mutually bonded together, stand 12-36h (such as select 12h,
24h or 36h) wait that it is fully cured after, by mould release and make the upper and lower two parts in model structure face separate, obtain mould
Type structural plane.
Step 1) in rock sample be on testing machine, carry out the cube specimen that failure test obtains.
Step 2) in assemble and be coated with last layer vaseline at mould joint during stainless steel mould, make stainless steel mould just
In dismounting.
Step 3), step 5), step 6) in negative pressure of vacuum case manufacture negative pressure of vacuum environment.
Step 3) the silica gel model structural plane that makes has the advantage that
Silica gel material is high temperature resistant, corrosion-resistant；Make the demoulding simple, easy；Good fluidity, can penetrate into slight void and replicate true
Real surface；Be unlikely to deform, reusable.
Step 5) in, the time being slowly stirred is 40-60s, preferably 60s, it is also possible to select 40s and 50s.
Step 5) in, firming agent composition is modified aliphatic polyamines.
Step 5) the transparent epoxy resin solution that makes has the advantage that
Transparent epoxy resin is colourless liquid, nontoxic non-volatility；Transparency is high；Good fluidity, can penetrate into slight void
Replicate real surface；Economic and practical, after solidification, intensity is high and intensity is adjustable.
Step 7) in, the transparent epoxy resin block of customization and epoxy resin mixed solution are commaterials, can be seamless
Bonding, Apyrexic problem, its length and width size and protolith consistent size, thickness is that 4/5 to the 3/4 of protolith size (such as selects
4/5,7/10 or 3/4), transparency is high, and smooth surface is smooth, it is not necessary to extra surface processes can be directly used in test.
Claims (8)
1. the method making transparent petrophysical model structural plane test specimen, it is characterised in that: the method comprises the following steps:
1) produce protolith structural plane: process rock sample with corning machine or rock cutter and stone mill, use different tests method
Rock sample is carried out failure test, generating structure face in test specimen, and structural plane surface is carried out, remove fragment and rock
Bits；
2) stainless steel mould is prepared: according to the customized mould of size in making model structure face, the left and right opposite of mould can be adjusted
Whole dismounting；Stainless steel mould is adjusted level, is uniformly coated with releasing agent at die inside；
3) the opposite silica gel model structural plane of protolith structural plane is made: by step 1) the protolith structural plane produced is placed in step
2), in the stainless steel mould in, negative pressure of vacuum environment is slowly toppled over along die edge silica gel and extremely flushes with mould top edge,
Silica gel model structural plane is taken out after silica gel solidifies；
4) transparent epoxy resin is weighed: weigh the transparent epoxy tree of required quality according to the size of the protolith structural plane of required making
Fat is put in a vessel；
5) transparent epoxy resin mixed solution is made: to step 4) transparent epoxy resin that weighs adds firming agent, transparent
Epoxy resin is 20:1 to 60:1 with the mass ratio of firming agent, is slowly stirred to mix homogeneously, is then put by container after adding well
It is placed in negative pressure of vacuum case, makes mixed solution be removed the bubble of the inside in negative pressure of vacuum environment by vibrations, make mixed solution
Become clarification；
6) pour solution into: by step 3) in make silica gel model structural plane be placed in step 2) stainless steel mould in, structural plane
Upward, horizontal for die adjustment tailing edge die edge is poured slowly into step 5) the epoxy resin mixed solution produced, when mixing is molten
Liquid height rises to stop during 1/5 to the 1/4 of mould inside residual volume, is then positioned over by container in negative pressure of vacuum case, order
Mixed solution removes the bubble of the inside in negative pressure of vacuum environment by slight vibrations；
7) make test specimen: transparent epoxy resin cube block alignment mould factory customized, cover gently in step 6) mould
In mixed solution on, make two parts be in close contact and mutually be bonded together, after waiting that it is fully cured, by mould release
And make the upper and lower two parts in model structure face separate, obtain model structure face.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: described step
Rapid 1), in, described different tests method is Brazil's splitting method, direct shearing method and monoaxial stretching method.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 1) in, described rock sample is to carry out the cube specimen that failure test obtains on testing machine.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 2) in, it is coated with last layer vaseline at mould joint during assembling stainless steel mould so that stainless steel mould is easy to
Dismounting.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 3), step 5), step 6) in negative pressure of vacuum case manufacture negative pressure of vacuum environment.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 5) in, the time being slowly stirred is 40-60s.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 5) in, described firming agent composition is modified aliphatic polyamines.
A kind of method making transparent petrophysical model structural plane test specimen, it is characterised in that: institute
State step 7) in, the transparent epoxy resin block of customization and epoxy resin mixed solution are commaterials, its length and width size with
Protolith consistent size, thickness is 4/5 to the 3/4 of protolith size.
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Cited By (13)
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| CN106680154A (en) * | 2017-02-28 | 2017-05-17 | 武汉大学 | Solute transport process optical measuring device based on rock joint transparent copy |
| CN106908293A (en) * | 2017-02-28 | 2017-06-30 | 武汉大学 | A kind of transparent rock joint duplicate preparation method |
| CN107576547A (en) * | 2017-10-24 | 2018-01-12 | 大连理工大学 | It is a kind of containing it is small and closure crack rock sample preparation method |
| CN108106892A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of landwaste body of casting flaking method based on vacuum investing |
| CN108519260A (en) * | 2018-03-26 | 2018-09-11 | 河海大学 | The production method that a kind of transparent rocks topple over model sample |
| CN108942422A (en) * | 2018-08-21 | 2018-12-07 | 河北工程大学 | A kind of polishing method of briquet |
| CN109342163A (en) * | 2018-10-16 | 2019-02-15 | 浙江科技学院 | Structural plane model containing weak intercalated layer makes mold |
| CN109679291A (en) * | 2019-01-09 | 2019-04-26 | 安徽理工大学 | A kind of transparent hard rock layer during similar model test material and preparation method thereof |
| CN111175213A (en) * | 2020-01-17 | 2020-05-19 | 三峡大学 | Image numeralization experimental device for rock fracture visual seepage opening degree test and use method |
| CN111650026A (en) * | 2020-05-06 | 2020-09-11 | 温州大学 | Nondestructive preservation process for granular soil sample |
| CN111999179A (en) * | 2020-07-16 | 2020-11-27 | 青岛理工大学 | Device and method for manufacturing rock joints with different roughness |
| CN112198020A (en) * | 2020-08-31 | 2021-01-08 | 中国石油大学(北京) | Rock sample preparation method and system for mineral element analysis |
| CN114559765A (en) * | 2022-02-24 | 2022-05-31 | 苏州金螳螂文化发展股份有限公司 | Method for manufacturing high-transparency artwork |
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| CN106680154A (en) * | 2017-02-28 | 2017-05-17 | 武汉大学 | Solute transport process optical measuring device based on rock joint transparent copy |
| CN106908293A (en) * | 2017-02-28 | 2017-06-30 | 武汉大学 | A kind of transparent rock joint duplicate preparation method |
| CN106680154B (en) * | 2017-02-28 | 2023-10-31 | 武汉大学 | Solute migration process optical measurement device based on rock joint transparent replica |
| CN107576547A (en) * | 2017-10-24 | 2018-01-12 | 大连理工大学 | It is a kind of containing it is small and closure crack rock sample preparation method |
| CN108106892A (en) * | 2017-11-17 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of landwaste body of casting flaking method based on vacuum investing |
| CN108519260A (en) * | 2018-03-26 | 2018-09-11 | 河海大学 | The production method that a kind of transparent rocks topple over model sample |
| CN108942422B (en) * | 2018-08-21 | 2020-01-14 | 河北工程大学 | Polishing method of coal brick |
| CN108942422A (en) * | 2018-08-21 | 2018-12-07 | 河北工程大学 | A kind of polishing method of briquet |
| CN109342163A (en) * | 2018-10-16 | 2019-02-15 | 浙江科技学院 | Structural plane model containing weak intercalated layer makes mold |
| CN109342163B (en) * | 2018-10-16 | 2023-11-21 | 浙江科技学院 | Mould for making structural surface model containing weak interlayer |
| CN109679291A (en) * | 2019-01-09 | 2019-04-26 | 安徽理工大学 | A kind of transparent hard rock layer during similar model test material and preparation method thereof |
| CN111175213A (en) * | 2020-01-17 | 2020-05-19 | 三峡大学 | Image numeralization experimental device for rock fracture visual seepage opening degree test and use method |
| CN111650026A (en) * | 2020-05-06 | 2020-09-11 | 温州大学 | Nondestructive preservation process for granular soil sample |
| CN111999179A (en) * | 2020-07-16 | 2020-11-27 | 青岛理工大学 | Device and method for manufacturing rock joints with different roughness |
| CN111999179B (en) * | 2020-07-16 | 2024-05-14 | 青岛理工大学 | Device and method for manufacturing rock joints with different roughness |
| CN112198020A (en) * | 2020-08-31 | 2021-01-08 | 中国石油大学(北京) | Rock sample preparation method and system for mineral element analysis |
| CN114559765A (en) * | 2022-02-24 | 2022-05-31 | 苏州金螳螂文化发展股份有限公司 | Method for manufacturing high-transparency artwork |
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