CN104792588B - A kind of petrophysical model structural plane surface pore complementing method - Google Patents
A kind of petrophysical model structural plane surface pore complementing method Download PDFInfo
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- CN104792588B CN104792588B CN201510122040.8A CN201510122040A CN104792588B CN 104792588 B CN104792588 B CN 104792588B CN 201510122040 A CN201510122040 A CN 201510122040A CN 104792588 B CN104792588 B CN 104792588B
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- structural plane
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- surface pore
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Abstract
A kind of petrophysical model structural plane surface pore complementing method, comprises the following steps：(1) removing surface of model structure face and maintenance；(2) model structure face surface pore is once filled up, and after the completion of (2.1) maintenance, the structural plane surface under insulated curing state is moistened completely, surface pore is full of moisture；Then surface moisture is wiped using dry towel, only makes to retain moisture in surface pore；(2.2) surface perforations adding；(2.3) after reaching the condensation cycle, the cement powders of surface portion efflorescence are gently wiped with dry towel again；By maintainer tool bedding on structural plane surface, structural plane surface is in water conservation state；(3) the secondary filling perforation in model structure face surface pore：After reaching the cycle of filling up, repeat step (2.1)~(2.3) carry out secondary filling perforation to not cramming full hole completely, complete structural plane surface pore and fill up.The present invention effectively fills up hole, the certainty of measurement of lift structure surface roughness coefficient.
Description
Technical field
The invention belongs to field of engineering technology, it is related to a kind of petrophysical model structural plane surface pore complementing method, it is adaptable to
The petrophysical model structural fece sample of similarity surface form makes.
Background technology
Make model sample using analog material carries out direct shear test instead of protolith structural plane, is acquisition rock knot in engineering
The important tests means of the mechanics parameters such as structure face shearing strength.The Binder Materials such as RPC due to destruction relation with
Rock material is more consistent, and can preferably simulation rock structural plane rolling shape, it is therefore more using living in engineering
The Binder Materials such as property powder concrete are come the roughness value and shearing strength that make model configuration face to obtain protolith structural plane
Parameter.But when the analog material by the use of RPC sample as simulation rock structural plane configuration of surface, sample table
Hole of the face with diameter greater than 0.1mm and porosity higher, the surface roughness and influence of shear strength to structural plane are larger.Compared with
Porosity high reduces the shear(ing) area on surface, influences the shearing strength of structural plane, causes structural face shear strength true
The shearing strength of real reaction protolith structural plane.In addition a large amount of appearance of hole, the hole of particularly a diameter of 1-2mm is reduced
The certainty of measurement of structural plane roughness coefficient.Therefore, the hole of specimen surface is filled up, the porosity on structural plane surface is reduced, is
Make the important requirement that model sample meets shear strength test.
The content of the invention
In order to overcome, the porosity of existing petrophysical model sample is larger, structural plane roughness coefficient certainty of measurement is relatively low
Deficiency, invention effectively fills up hole, the petrophysical model structural plane of lift structure surface roughness coefficient certainty of measurement there is provided a kind of
Surface pore complementing method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of petrophysical model structural plane surface pore complementing method, the complementing method is comprised the following steps：
(1) removing surface of model structure face and maintenance：
After model structure face completes and reaches final set, the surface in model structure face is cleaned out, by natural curing
Method is conserved to structural plane surface, structural plane surface is in insulated curing state；
(2) model structure face surface pore is once filled up, and process is as follows：
(2.1) hole moistening：After the completion of maintenance, the structural plane surface under insulated curing state is moistened completely, made
Surface pore is full of moisture；Then surface moisture is wiped using dry towel, only makes to retain moisture in surface pore；
(2.2) surface perforations adding：The dry glue gel material spreading that will be ready for is coagulated dry glue with sponge ball on structural plane surface
Material is wiped in hole, dry cement powders is fully filled with hole, is then wiped with dry towel and pasted on the surface
Dry cement powders；
(2.3) after reaching the condensation cycle, the dry cement powders of surface portion efflorescence are gently wiped with dry towel again；
By maintainer tool bedding on structural plane surface, structural plane surface is in water conservation state；
(3) the secondary filling perforation in model structure face surface pore：
After reaching the cycle of filling up, repeat step (2.1)~(2.3) carry out secondary filling out to not cramming full hole completely
Hole, completes structural plane surface pore and fills up.
Further, in the step (1), curing time 8~12 hours, in the step (2.3), the cycle that condenses is 4~8
Hour；In the step (3), the cycle is filled up for 12~20 hours.
Further, in described (2.2), the dry glue gel material spreading that will be ready for using small scoop is in structural plane table
Face.
In (2.2), in wiping process, hole is avoided as far as possible, dry glue gel material is retained in hole.
In (2.3), uniformly little water is sprinkled upon on gunnysack, structural plane surface is in water conservation state.
Beneficial effects of the present invention are mainly manifested in：(1) model structure face surface pore fills up easy to operate, only need to be in room
It is interior to carry out；(2) operating time is short, and one group of sample hole is completed by filling up in ten minutes；(3) dry gelling
Material is stirred evenly in can preferably incorporate after powdering hole；Dry glue gel material and water separate operation so that the process of perforations adding is not
Can destroy and change the configuration of surface of protolith structural plane；(4) dry glue gel material can be according to model structure face analog material
Needs are adjusted correspondingly, and filling perforation is carried out by using the dry glue gel material close with model structure face analog material so that
Material preferably can be dissolved into hole.
Specific embodiment
The invention will be further described below.
A kind of petrophysical model structural plane surface pore complementing method, the complementing method is comprised the following steps：
(1) removing surface of model structure face and maintenance：
After model structure face completes and reaches final set, the surface in model structure face is cleaned out, by natural curing
Method is conserved to structural plane surface, structural plane surface is in insulated curing state；
(2) model structure face surface pore is once filled up, and process is as follows：
(2.1) hole moistening：After the completion of maintenance, the structural plane surface under insulated curing state is moistened completely, made
Surface pore is full of moisture；Then surface moisture is wiped using dry towel, only makes to retain moisture in surface pore；
(2.2) surface perforations adding：The dry glue gel material spreading that will be ready for is coagulated dry glue with sponge ball on structural plane surface
Material is wiped in hole, dry cement powders is fully filled with hole, is then wiped with dry towel and pasted on the surface
Dry cement powders；
(2.3) after reaching the condensation cycle, the dry cement powders of surface portion efflorescence are gently wiped with dry towel again；
By maintainer tool bedding on structural plane surface, structural plane surface is in water conservation state；
(3) the secondary filling perforation in model structure face surface pore：
After reaching the cycle of filling up, repeat step (2.1)~(2.3) carry out secondary filling out to not cramming full hole completely
Hole, completes structural plane surface pore and fills up.
Further, in the step (1), curing time 8~12 hours can be 8,10 or 12 hours；The step
(2.3) in, the cycle that condenses is 4~8 hours, can be 4,6,8 hours；In the step (3), the cycle is filled up for 12~20 is small
When, can be 12,16,20 hours.
Further, in described (2.2), the dry glue gel material spreading that will be ready for using small scoop is in structural plane table
Face.
In (2.2), in wiping process, hole is avoided as far as possible, dry glue gel material is retained in hole.
In (2.3), uniformly little water is sprinkled upon on gunnysack, structural plane surface is in water conservation state.
In the present embodiment, upper and lower disk model structure face begins to the operation of perforations adding preferably after casting complete reaches final set
Flow, now, model structure face does not condense hardening also completely, and perforations adding material can be preferable with cast material after filling up hardening
Bond.
The model structure facestock material of the present embodiment includes sand, cement, water, silica flour and water reducer, and raw material components are according to weight
Amount percentage control is as follows：Sand：40-68%；Water：8-20%；Cement：20-45%；Silica flour：2-10%；Water reducer：
0.5-2%.
After model structure face completes and reaches final set, model structure face is laid in the cool, clean out model
The surface of structural plane；Then natural curing is carried out to structural plane using coverings such as gunnysacks, ensures that surface drenches completely as far as possible.
After the curing time of the present embodiment about 12 hours, the gunnysack of maintenance is taken down, again moisten surface completely, be important to
Ask the moisture in hole full；Surface is dried with dry towel after one minute, but to ensure to remain with certain moisture in hole.
Dry glue gel material (the stirring evenly powdering) spreading that will be ready for using small scoop uses sponge ball on structural plane surface
During dry glue gel material wiped into hole, dry cement powders is fully filled with hole, then by surface with dry towel gently
The dry cement powders that will have been pasted on the surface are wiped clean, and in wiping process, hole are avoided as far as possible, make dry glue gel material
It is retained in hole.
The dry glue gel material of the present embodiment is mainly made up of two kinds of materials of cement and silica flour, and two kinds of compounds are worn into powdery
And stir, batch component can be adjusted according to the proportion of cast material, and percentage by weight is controllable as follows：Cement：
80-90%；Silica flour：10-20%.
After about 6 hours, lightly original structure face is wiped with dry towel again, remove the dry glue of surface portion efflorescence
Gel material powder.Then, by the coverings such as the former gunnysack for having used (moist state, mustn't soak again before reservation operations) paving
Cover on structural plane surface, uniformly little water is sprinkled upon on gunnysack, structural plane surface is in water conservation state.
Second day, the operation that repeat step is filled up carried out secondary filling perforation to not cramming full hole completely.Complete structure
Face surface pore is filled up.
Claims (5)
1. a kind of petrophysical model structural plane surface pore complementing method, it is characterised in that：The complementing method is comprised the following steps：
(1) removing surface of model structure face and maintenance：
After model structure face completes and reaches final set, the surface in model structure face is cleaned out, by natural curing method pair
Structural plane surface is conserved, and structural plane surface is in insulated curing state；
(2) model structure face surface pore is once filled up, and process is as follows：
(2.1) hole moistening：After the completion of maintenance, the structural plane surface under insulated curing state is moistened completely, make surface
Hole is full of moisture；Then surface moisture is wiped using dry towel, only makes to retain moisture in surface pore；
(2.2) surface perforations adding：The dry glue gel material spreading that will be ready on structural plane surface, with sponge ball by dry glue gel material
Wipe in hole, dry cement powders is fully filled with hole, the dry glue pasted on the surface is then wiped with dry towel
Gel material powder；
(2.3) after reaching the condensation cycle, the cement powders of surface portion efflorescence are gently wiped with dry towel again；Will maintenance
Instrument bedding is in water conservation state on structural plane surface, structural plane surface；
(3) the secondary filling perforation in model structure face surface pore：After reaching the cycle of filling up, repeat step (2.1)~(2.3), to not having
Cramming full hole completely carries out secondary filling perforation, completes structural plane surface pore and fills up.
2. a kind of petrophysical model structural plane surface pore complementing method as claimed in claim 1, it is characterised in that：The step
(1) in, curing time 8~12 hours, in the step (2.3), the cycle that condenses is 4~8 hours；In the step (3), fill up
Cycle is 12~20 hours.
3. a kind of petrophysical model structural plane surface pore complementing method as claimed in claim 1 or 2, it is characterised in that：It is described
(2.2) in, the dry glue gel material spreading that will be ready for using small scoop is on structural plane surface.
4. a kind of petrophysical model structural plane surface pore complementing method as claimed in claim 1 or 2, it is characterised in that：It is described
(2.2) in, in wiping process, hole is avoided as far as possible, dry glue gel material is retained in hole.
5. a kind of petrophysical model structural plane surface pore complementing method as claimed in claim 1 or 2, it is characterised in that：It is described
(2.3) in, uniformly little water is sprinkled upon on gunnysack, structural plane surface is in water conservation state.
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| CN201510122040.8A CN104792588B (en) | 2015-03-19 | 2015-03-19 | A kind of petrophysical model structural plane surface pore complementing method |
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| CN104792588B true CN104792588B (en) | 2017-06-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718644A (en) * | 2009-12-07 | 2010-06-02 | 浙江科技学院 | Method for manufacturing direct shear test structural plane model |
| CN103278389A (en) * | 2013-04-28 | 2013-09-04 | 北京大学 | Method for synchronous measurements on dynamic and static elastic parameters of rocks |
| CN103674658A (en) * | 2013-12-24 | 2014-03-26 | 山东科技大学 | Preparation method for random crack test model |
-
2015
- 2015-03-19 CN CN201510122040.8A patent/CN104792588B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718644A (en) * | 2009-12-07 | 2010-06-02 | 浙江科技学院 | Method for manufacturing direct shear test structural plane model |
| CN103278389A (en) * | 2013-04-28 | 2013-09-04 | 北京大学 | Method for synchronous measurements on dynamic and static elastic parameters of rocks |
| CN103674658A (en) * | 2013-12-24 | 2014-03-26 | 山东科技大学 | Preparation method for random crack test model |
Non-Patent Citations (3)
| Title |
|---|
| Study on the Influencing Factors of Sampling Representativeness of Rock Joints;Man Huang et al;《Applied Mechanics and Materials》;20120514;第170-173卷;全文 * |
| 分布替水灌浆法在科学钻探西藏钻孔坍塌地层中的应用;胡郁乐;《地质与勘探》;20110531;第47卷(第3期);全文 * |
| 系列尺度岩石结构面相似表面模型制作的逆向控制技术研究;黄曼等;《岩土力学》;20130430;第34卷(第4期);全文 * |
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