CN104931678B - Mine cemented filling slurry segregation degree detection and evaluation method - Google Patents
Mine cemented filling slurry segregation degree detection and evaluation method Download PDFInfo
- Publication number
- CN104931678B CN104931678B CN201510391191.3A CN201510391191A CN104931678B CN 104931678 B CN104931678 B CN 104931678B CN 201510391191 A CN201510391191 A CN 201510391191A CN 104931678 B CN104931678 B CN 104931678B
- Authority
- CN
- China
- Prior art keywords
- adhesive bond
- cement ratio
- aggregate
- isolation degree
- slip
- 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.)
- Active
Links
Abstract
The invention discloses a mine cemented filling slurry segregation degree detection and evaluation method, which is based on element conservation as a theoretical basis, calculates the contents of different material components in a filling body by detecting the contents of elements in a filling material and an in-situ filling body, calculates a sand-cement ratio according to the contents of the different components in the in-situ filling body, and evaluates the segregation condition of the filling slurry by comparing the difference amplitude of the detected sand-cement ratio and a material proportioning design sand-cement ratio, thereby overcoming the defects of the existing mine filling test method, and having theoretical and practical significance for the research of filling body strength rule and the evaluation and management of mine filling quality.
Description
Technical field
A kind of the present invention relates to non-coal mine underground mining field, more particularly to mine cemented filling slip isolation degree inspection
Survey and evaluation methodology.
Background technology
Filling slurry isolation is the technical problem of generally existing in China's filling in mine, and filling slurry is isolated causes charges
Material isolation layering, strength of filling mass skewness are significantly greatly increased Ore exploitation process security risk, while also increasing enterprise
Industry filling cost.Filling slurry isolation is not only present in filling in mine production, while exist in laboratory filling experiment,
The filling intensity of test block for measuring laboratory is difficult to actual response original position strength of filling mass.Therefore, research filling slurry isolation is right
Obturator in situ strength affects, and sets up the relation of filling experiment intensity and in situ strength, significant to mining production.
At present, the research for filling slurry isolation is mostly confined to qualitative description, without quantitative detection and evaluation
Method.
Content of the invention
It is an object of the invention to provide a kind of mine cemented filling slip isolation degree detecting and evaluation methodology, can be perfect
Existing filling in mine test method system, realizes the authentic assessment of filling in mine quality and effective management of filling quality.
The purpose of the present invention is achieved through the following technical solutions：
A kind of mine cemented filling slip isolation degree detecting and evaluation methodology, including：
Mine cemented filling slip is prepared according to W predetermined aggregate-to-cement ratio, by the mine cemented filling material of different aggregate-to-cement ratios
Slurry is filled in different moulds or goaf, obtains the W adhesive bond formed by slip；
In S height and position sampling of each adhesive bond, and using batch ingredients detection method in obturator, detect each
The content of batch ingredients in adhesive bond sample, further according to the actual aggregate-to-cement ratio of material component cubage；
If W=1, according to the numerical value of S, the adhesive bond sample is calculated the actual aggregate-to-cement ratio and predetermined aggregate-to-cement ratio that arrive it
Poor absolute value, or absolute value sum is used as the slip isolation degree of current obturator；If W>1, then according to the numerical value of S, will be per
The absolute value of the difference of the corresponding actual aggregate-to-cement ratio of one adhesive bond sample predetermined aggregate-to-cement ratio corresponding with the adhesive bond, or definitely
Slip isolation degree of the value sum as the adhesive bond, then using the meansigma methodss of all adhesive bond slip isolation degree as current obturator
Slip isolation degree；
The slip isolation degree of current obturator is compared with predetermined slip isolation degree scope, evaluation result is obtained.
Further, batch ingredients detection method in the utilization obturator, detects material group in each adhesive bond sample
The content of part includes：
Using batch ingredients detection method in obturator, the content of adhesive bond calcium in sample and silicon is detected, and then is detected
Tailings, the mass fraction shared by cement, its step are as follows：
Adhesive bond sample is ground and passes through analysis of chemical elements method and detects its calcium and silicon content, wherein, calcium hundred
Point content is designated as x, and silicon percentage composition is designated as y；
Assume that calcium percentage composition is a in tailings11, silicon percentage composition is a12；In cement, calcium percentage composition is a21, silicon percentage
Content is a22；In filling test block, tailings quality is M1, cement quality is M2, dry weight is M0, then have：
If M0=1, then above formula be changed into：
Above formula is solved, is obtained：
Wherein, m1=M1/M0、m2=M2/M0, which is respectively tailings with the mass fraction shared by cement.
Further, described included according to the actual aggregate-to-cement ratio of material component cubage：
By the mass fraction m shared by tailings in adhesive bond sample1With the mass fraction m shared by cement2Ratio as reality
Aggregate-to-cement ratio.
Further, if the W=1, according to the numerical value of S, the adhesive bond sample is calculated the actual aggregate-to-cement ratio that arrives with
The absolute value of the difference of predetermined aggregate-to-cement ratio, or absolute value sum is used as the slip isolation degree of current obturator；If W>1, then root
According to the numerical value of S, by the difference of corresponding with the adhesive bond for corresponding for each adhesive bond sample actual aggregate-to-cement ratio predetermined aggregate-to-cement ratio
Absolute value, or absolute value sum is used as the slip isolation degree of the adhesive bond, then by the average of all adhesive bond slip isolation degree
Value includes as the slip isolation degree of current obturator：
If W=1, S=1, then it represents that only one adhesive bond sample；The adhesive bond sample is calculated the actual aggregate-to-cement ratio for arriving
K is designated as, predetermined aggregate-to-cement ratio is designated as L, then the slip isolation degree ε of current obturator is actual aggregate-to-cement ratio K and predetermined aggregate-to-cement ratio L
Difference absolute value:ε=| K-L |；
If W=1, S>1, then it represents that in multiple height and position samplings of an adhesive bond；Adhesive bond all samples are calculated
To actual aggregate-to-cement ratio be designated as K1～KS, predetermined aggregate-to-cement ratio is designated as L, then the slip isolation degree ε of current obturator is the adhesive bond
All samples calculate the actual aggregate-to-cement ratio K for arriving1～KSAbsolute value sum with the difference of predetermined aggregate-to-cement ratio L：ε=| K1-L|+...+
|KS-L|；
If W>1, S=1, then it represents that have multiple adhesive bonds, and taken a sample from each adhesive bond；By all adhesive bonds
The actual aggregate-to-cement ratio that sample is calculated is designated as K11～KW1, predetermined aggregate-to-cement ratio is designated as L1～LW；The material of each adhesive bond is first calculated
Slurry isolation degree ε1～εW：ε1=| K11-L1|,......,εW=| KW1-LW|, the slip isolation degree ε of current obturator is then all
The meansigma methodss of adhesive bond slip isolation degree：
If W>1, S>1, then it represents that have multiple adhesive bonds, and taken multiple samples from each adhesive bond；Will be all cementing
The actual aggregate-to-cement ratio that body sample is calculated is designated as K11～K1S,......,KW1～KWS, predetermined aggregate-to-cement ratio is designated as L1～LW；First count
Calculate the slip isolation degree ε of each adhesive bond1～εW：ε1=| K11-L1|+…+|K1S-L1| ... ..., εW=| KW1-LW|+…+|KWS-
LW|, the slip isolation degree ε of current obturator is then the meansigma methodss of all adhesive bond slip isolation degree：
As seen from the above technical solution provided by the invention, with element conservation as theoretical basiss, filled by detection
Material further calculates the content of different material component in obturator with constituent content in obturator in situ, according to obturator in situ
Middle different component contents calculate aggregate-to-cement ratio, can be right with the amplitude of differing of mix designs aggregate-to-cement ratio by the aggregate-to-cement ratio of comparison and detection
The isolation situation of filling slurry is evaluated, and so as to make up the deficiency of existing filling in mine test method, which is to strength of filling mass
Law study and filling in mine quality evaluation have theoretical and realistic meaning with management.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to using needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of mine cemented filling slip isolation degree detecting provided in an embodiment of the present invention and evaluation methodology is shown
It is intended to；
Fig. 2 is three sample position high-level schematics provided in an embodiment of the present invention.
Specific embodiment
Accompanying drawing in reference to the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.Based on this
Inventive embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to protection scope of the present invention.
The embodiment of the present invention, achieves batch ingredients detection in obturator based on the element principle of mass conservation, is casting resin
Slurry isolation methods of testing and evaluating provides detection meanss；On this basis, according to the conventional aggregate-to-cement ratio in mine, there is provided Yi Taobiao
Accurate test method, and propose filling slurry isolation evaluation index；Can be right by the set standard test method and appraisement system
The isolation degree of different filling slurries carries out quantitative assessment.It is introduced below by an embodiment.
Fig. 1 is a kind of mine cemented filling slip isolation degree detecting provided in an embodiment of the present invention and evaluation methodology is shown
It is intended to；As shown in figure 1, which mainly comprises the steps：
Step 11, mine cemented filling slip is prepared according to W predetermined aggregate-to-cement ratios, will be cementing for the mine of different aggregate-to-cement ratios
Filling slurry is filled in different moulds or goaf, obtains the W adhesive bond formed by slip.
In the embodiment of the present invention, obturator can be mould or goaf；When selecting goaf as obturator, can be with
By the diverse location in one goaf of mine cemented filling ground paste filling of different aggregate-to-cement ratios, or the ore deposit by different aggregate-to-cement ratios
Mountain consolidated fill slip is filled in different goafs, using these goafs as an obturator.
Step 12, each adhesive bond the sampling of S height and position, and using batch ingredients detection method in obturator,
The content of batch ingredients in each adhesive bond sample is detected, further according to the actual aggregate-to-cement ratio of material component cubage.
In the embodiment of the present invention, using batch ingredients detection method in obturator, material in each adhesive bond sample is detected
The content of component.Its principle is that mine cemented filling slip typically configures material in certain proportion by tailings, cement and water
Slurry cast is formed, and in tailings, cement and water, Ca (calcium), Si (silicon) constituent content are different and differ larger, are kept according to quality
Permanent principle, it is known that Ca, Si constituent content is the linear of respective contained Ca, Si constituent content of three of the above material in adhesive bond
Combination, as shown in the table：
1 Cleaning Principle of table
In consideration water, Ca, Si content is little, and during censorship, is detected using dry weight, therefore, ignore Ca in water,
Si contents, ignore.
Its detecting step is specific as follows：
Adhesive bond sample is ground and passes through analysis of chemical elements method and detects its calcium and silicon content, wherein, calcium hundred
Point content is designated as x, and silicon percentage composition is designated as y；
Assume that calcium percentage composition is a in tailings11, silicon percentage composition is a12；In cement, calcium percentage composition is a21, silicon percentage
Content is a22；In filling test block, tailings quality is M1, cement quality is M2, dry weight is M0, then have：
If M0=1, then above formula be changed into：
Above formula is solved, is obtained：
Wherein, m1=M1/M0、m2=M2/M0, which is respectively tailings with the mass fraction shared by cement.
By the mass fraction m shared by tailings in adhesive bond sample1With the mass fraction m shared by cement2Ratio as reality
Aggregate-to-cement ratio, is expressed as：
K=m1/m2.
Step 13, the slip isolation degree for calculating current obturator according to actual aggregate-to-cement ratio with predetermined aggregate-to-cement ratio.
If W=1, according to the numerical value of S, the adhesive bond sample is calculated the actual aggregate-to-cement ratio and predetermined aggregate-to-cement ratio that arrive it
Poor absolute value, or absolute value sum is used as the slip isolation degree of current obturator (filling object i.e. in step 11)；If W>
1, then according to the numerical value of S, by corresponding with the adhesive bond for corresponding for each adhesive bond sample actual aggregate-to-cement ratio predetermined aggregate-to-cement ratio
Difference absolute value, or absolute value sum is used as the slip isolation degree of the adhesive bond, then by all adhesive bond slip isolation degree
Meansigma methodss as current obturator slip isolation degree.
This step mainly considers following four kinds of situations：1) a kind of mine cemented filling slip (the i.e. W=of aggregate-to-cement ratio is only prepared
1) sample (i.e. S=1) is only taken, and from corresponding adhesive bond；2) a kind of mine cemented filling material of aggregate-to-cement ratio is only prepared
Slurry (i.e. W=1), takes multiple samples (i.e. S from corresponding adhesive bond>1)；3) the mine cemented filling material of multiple aggregate-to-cement ratios is prepared
Slurry (i.e. W>1), a sample (i.e. S=1) is taken from the mine cemented filling slip of each aggregate-to-cement ratio corresponding adhesive bond；4) make
Mine cemented filling slip (the i.e. W of standby multiple aggregate-to-cement ratios>1), from the corresponding glue of the mine cemented filling slip of each aggregate-to-cement ratio
Multiple samples (i.e. S is taken in knot body>1).Processing procedure below for above-mentioned four kinds of situations does detailed introduction：
1) W=1, S=1, then it represents that only one adhesive bond sample；The adhesive bond sample is calculated the actual aggregate-to-cement ratio for arriving
K is designated as, predetermined aggregate-to-cement ratio is designated as L, then the slip isolation degree ε of current obturator is actual aggregate-to-cement ratio K and predetermined aggregate-to-cement ratio L
Difference absolute value:ε=| K-L |.
2) W=1, S>1, then it represents that in multiple height and position samplings of an adhesive bond；Adhesive bond all samples are calculated
To actual aggregate-to-cement ratio be designated as K1～KS, predetermined aggregate-to-cement ratio is designated as L, then the slip isolation degree ε of current obturator is the adhesive bond
All samples calculate the actual aggregate-to-cement ratio K for arriving1～KSAbsolute value sum with the difference of predetermined aggregate-to-cement ratio L：ε=| K1-L|+...+
|KS-L|.
3)W>1, S=1, then it represents that have multiple adhesive bonds, and taken a sample from each adhesive bond；By all adhesive bonds
The actual aggregate-to-cement ratio that sample is calculated is designated as K11～KW1(1～W of lower target first digit represents the numbering of adhesive bond, second
Numbering of the numeral for corresponding adhesive bond sample) predetermined aggregate-to-cement ratio is designated as L1～LW；The slip isolation degree of each adhesive bond is first calculated
ε1～εW：ε1=| K11-L1|,......,εW=| KW1-LW|, the slip isolation degree ε of current obturator is then all adhesive bond material
The meansigma methodss of slurry isolation degree：
4)W>1, S>1, then it represents that have multiple adhesive bonds, and taken multiple samples from each adhesive bond；Will be all cementing
The actual aggregate-to-cement ratio that body sample is calculated is designated as K11～K1S,......,KW1～KWS(1～W of lower target first digit represents glue
The numbering of knot body, second digit is the numbering of corresponding adhesive bond sample, K11～K1SRepresent 1～S of the 1st adhesive bond
The actual aggregate-to-cement ratio of adhesive bond sample, KW1～KWSRepresent the actual sand-lime of the 1～S adhesive bond sample of W adhesive bond
Than), predetermined aggregate-to-cement ratio is designated as L1～LW；The slip isolation degree ε of each adhesive bond is first calculated1～εW：ε1=| K11-L1|+…+|
K1S-L1| ... ..., εW=| KW1-LW|+…+|KWS-LW|, the slip isolation degree ε of current obturator is then all adhesive bond slips
The meansigma methodss of isolation degree：
Step 14, the slip isolation degree of current obturator is compared with predetermined slip isolation degree scope, evaluated
As a result.
The predetermined slip isolation degree can in the light of actual conditions or experience is setting.
The such scheme of the embodiment of the present invention, it is fixed that the isolation degree in different mines, heterogeneity filling slurry can be carried out
Amount is evaluated；The program is isolated to studying filling in mine slip, obturator inhomogeneities in situ, perfect tradition filling experiment system,
Realize that filling quality quantitative assessment in situ and filling in mine quality management have most important theories and realistic meaning.
For the ease of understanding the present invention, illustrate with reference to a specific example.It should be noted that following show
Concrete numerical value used in example is not to be construed as limiting for convenience of description.
Aggregate-to-cement ratio 4,6,8,10 is the conventional consolidated fill proportioning in mine, and mass concentration 70% is that the conventional filling in mine is dense
Degree.For the isolation degree of concentrated expression difference filling slurry, this example is using aggregate-to-cement ratio 4,6,8,10 as predetermined aggregate-to-cement ratio
(i.e. W=4), using mass concentration 70% as standard Filling density.Tailings to specific mine, according to aggregate-to-cement ratio 4,6,8,
10, filling slurry mass concentration 70% designs four groups of concentration identical filling slurries, numbering A, B, C, D.In a large amount of different sizes
On the basis of the filling cementing proportioning test of die trial, this example design is with diameter 100mm, the closing of going to the bottom of high 300mm, suitable for reading unlimited
Column type die trial as standard test mode, die trial is processed using pvc pipe, and die trial bottom home position is provided with the big holes of diameter 5mm,
For the test block demoulding.
Filling slurry is prepared by aggregate-to-cement ratio predetermined above, Filling density, filling test block is poured with standard test mode, and is carried out
Maintenance, after obturator reaches initial set, is sampled in obturator different parts.
The sample (i.e. S=3) of three position heights of acquirement in the adhesive bond formed from every group of filling slurry in this example, three
Individual sample position height as shown in Fig. 2 be respectively -5cm, -15cm, -25cm, by adhesive bond sample number into spectrum dryness in the sun after,
Element detection is sent, then calculates aggregate-to-cement ratio；Element detection and aggregate-to-cement ratio result of calculation are as shown in table 2：
2 Element detection of table and aggregate-to-cement ratio result of calculation
In this example, W>1, S>1, now, first calculate the adhesive bond slip isolation degree of each group (A, B, C, D)：
Average again and obtain the slip isolation degree of current obturator：
Result of calculation is as shown in table 3：
The slip isolation degree result of calculation of 3 obturator of table
In this example, predetermined slip isolation degree scope is as follows：
During ε≤0.5, filling slurry uniformity is good；
During 0.5 ＜ ε≤1, filling slurry uniformity is preferable；
During 1 ＜ ε≤1.5, filling slurry uniformity is general；
During 1.5 ＜ ε≤2, filling slurry uniformity is poor；
During 2 ＜ ε≤2.5, filling slurry lack of homogeneity；
During ε ＞ 2.5, filling slurry uniformity is very poor.
Above-mentioned result of calculation ε=1.43 of this example, belong to the general situation of filling slurry uniformity, can meet substantially
Filling in mine is required.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change or replacement that can readily occur in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (1)
1. a kind of mine cemented filling slip isolation degree detecting and evaluation methodology, it is characterised in that include：
Mine cemented filling slip is prepared according to W predetermined aggregate-to-cement ratio, the mine cemented filling slip of different aggregate-to-cement ratios is filled
Fill out in different moulds or goaf, obtain the W adhesive bond formed by slip；
In S height and position sampling of each adhesive bond, and using batch ingredients detection method in obturator, detect each cementing
The content of batch ingredients in body sample, further according to the actual aggregate-to-cement ratio of material component cubage；
If W=1, according to the numerical value of S, the adhesive bond sample is calculated the actual aggregate-to-cement ratio and the difference of predetermined aggregate-to-cement ratio for arriving
Absolute value, or absolute value sum is used as the slip isolation degree of current obturator；If W>1, then according to the numerical value of S, by each glue
The absolute value of the difference of the corresponding actual aggregate-to-cement ratio of knot body sample predetermined aggregate-to-cement ratio corresponding with the adhesive bond, or absolute value it
With the slip isolation degree as the adhesive bond, then using the meansigma methodss of all adhesive bond slip isolation degree as current obturator material
Slurry isolation degree；
The slip isolation degree of current obturator is compared with predetermined slip isolation degree scope, evaluation result is obtained；
Batch ingredients detection method in the utilization obturator, detects that the content of batch ingredients in each adhesive bond sample includes：
Using batch ingredients detection method in obturator, the content of adhesive bond calcium in sample and silicon is detected, and then detects tailings,
Mass fraction shared by cement, its step are as follows：
Adhesive bond sample is ground and passes through analysis of chemical elements method and detects its calcium and silicon content, wherein, calcium percentage contains
Amount is designated as x, and silicon percentage composition is designated as y；
Assume that calcium percentage composition is a in tailings11, silicon percentage composition is a12；In cement, calcium percentage composition is a21, silicon percentage composition
For a22；In filling test block, tailings quality is M1, cement quality is M2, dry weight is M0, then have：
If M0=1, then above formula be changed into：
Above formula is solved, is obtained：
Wherein, m1=M1/M0、m2=M2/M0, which is respectively tailings with the mass fraction shared by cement；
Described included according to the actual aggregate-to-cement ratio of material component cubage：
By the mass fraction m shared by tailings in adhesive bond sample1With the mass fraction m shared by cement2Ratio as actual sand-lime
Than；
If the W=1, according to the numerical value of S, the adhesive bond sample is calculated the actual aggregate-to-cement ratio and predetermined aggregate-to-cement ratio that arrive it
Poor absolute value, or absolute value sum is used as the slip isolation degree of current obturator；If W>1, then according to the numerical value of S, will be per
The absolute value of the difference of the corresponding actual aggregate-to-cement ratio of one adhesive bond sample predetermined aggregate-to-cement ratio corresponding with the adhesive bond, or definitely
Slip isolation degree of the value sum as the adhesive bond, then using the meansigma methodss of all adhesive bond slip isolation degree as current obturator
Slip isolation degree include：
If W=1, S=1, then it represents that only one adhesive bond sample；The actual aggregate-to-cement ratio that the adhesive bond sample is calculated is designated as
K, predetermined aggregate-to-cement ratio are designated as L, then the slip isolation degree ε of current obturator is the difference of actual aggregate-to-cement ratio K and predetermined aggregate-to-cement ratio L
Absolute value:ε=| K-L |；
If W=1, S>1, then it represents that in multiple height and position samplings of an adhesive bond；The calculating of adhesive bond all samples is arrived
Actual aggregate-to-cement ratio is designated as K1～KS, predetermined aggregate-to-cement ratio is designated as L, then the slip isolation degree ε of current obturator owns for the adhesive bond
Sample calculates the actual aggregate-to-cement ratio K for arriving1～KSAbsolute value sum with the difference of predetermined aggregate-to-cement ratio L：ε=| K1-L|+...+|KS-
L|；
If W>1, S=1, then it represents that have multiple adhesive bonds, and taken a sample from each adhesive bond；By all adhesive bond samples
The actual aggregate-to-cement ratio for calculating is designated as K11～KW1, predetermined aggregate-to-cement ratio is designated as L1～LW；First calculate the slip of each adhesive bond from
Analysis degree ε1～εW：ε1=| K11-L1|,......,εW=| KW1-LW|, the slip isolation degree ε of current obturator is then all cementing
The meansigma methodss of body slip isolation degree：
If W>1, S>1, then it represents that have multiple adhesive bonds, and taken multiple samples from each adhesive bond；By all adhesive bond samples
The actual aggregate-to-cement ratio that product are calculated is designated as K11～K1S,......,KW1～KWS, predetermined aggregate-to-cement ratio is designated as L1～LW；First calculate every
The slip isolation degree ε of one adhesive bond1～εW：ε1=| K11-L1|+…+|K1S-L1| ... ..., εW=| KW1-LW|+…+|KWS-LW|,
The slip isolation degree ε of current obturator meansigma methodss then for all adhesive bond slip isolation degree：
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391191.3A CN104931678B (en) | 2015-07-06 | 2015-07-06 | Mine cemented filling slurry segregation degree detection and evaluation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391191.3A CN104931678B (en) | 2015-07-06 | 2015-07-06 | Mine cemented filling slurry segregation degree detection and evaluation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931678A CN104931678A (en) | 2015-09-23 |
| CN104931678B true CN104931678B (en) | 2017-03-15 |
Family
ID=54118944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510391191.3A Active CN104931678B (en) | 2015-07-06 | 2015-07-06 | Mine cemented filling slurry segregation degree detection and evaluation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104931678B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080818B (en) * | 2019-06-11 | 2021-04-20 | 中国矿业大学 | Method for grading, classifying, filling and recovering mine remaining pillars |
| CN111983138A (en) * | 2020-08-27 | 2020-11-24 | 矿冶科技集团有限公司 | Mine cemented filling slurry proportion inspection method |
| CN115128253B (en) * | 2022-08-31 | 2022-11-25 | 矿冶科技集团有限公司 | Segregation degree evaluation method and segregation degree detection test mold for cemented filling body |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3142787B2 (en) * | 1996-12-09 | 2001-03-07 | 紘一 小野 | Method and apparatus for measuring material separation of concrete |
| JP2001056335A (en) * | 1999-08-20 | 2001-02-27 | Maeda Corp | Concrete testing method |
| CN102539270B (en) * | 2011-12-20 | 2013-09-25 | 长安大学 | Liquation evaluation method for inorganic micro powder type modified asphalt |
| CN102680666A (en) * | 2012-05-06 | 2012-09-19 | 山西省交通科学研究院 | Method for evaluating disintegration degree of road cement concrete |
| CN102749439B (en) * | 2012-07-03 | 2015-04-22 | 长安大学 | Test and evaluation device for segregation of fresh concrete |
-
2015
- 2015-07-06 CN CN201510391191.3A patent/CN104931678B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104931678A (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Clayton et al. | Analysis of the slump test for on-site yield stress measurement of mineral suspensions | |
| CN104931678B (en) | Mine cemented filling slurry segregation degree detection and evaluation method | |
| CN104926219B (en) | A kind of green concrete mixtures optimal design method | |
| CN106053183B (en) | Dock the foam concrete sample preparation facilities and method of indoor rock-soil mechanics testing machine | |
| CN107038524B (en) | Comprehensive evaluation method for construction quality of roller compacted concrete dam considering parameter uncertainty | |
| CN108229093B (en) | Construction method of saturated recycled concrete chloride ion diffusion coefficient multi-scale prediction model | |
| CN105424578B (en) | The method and experimental rig of contactless Impedance Determination concrete interconnected pore rate | |
| Benaicha et al. | Rheological characterization of self‐compacting concrete: New recommendation | |
| CN102564900B (en) | Simulation test method for seepage process of polymer solution at different positions of stratum | |
| CN107621428A (en) | Suitable for the binder materials content assaying method of limestone fine aggregate maturing | |
| CN107727547B (en) | Permeable concrete void distribution uniformity evaluation method | |
| CN204286487U (en) | A kind of fine aggregate structural parameters device for quick testing | |
| CN104181289B (en) | A kind of measuring method of concrete surface layer moisture distribution | |
| CN103837578A (en) | Test method for evaluating chloride-corrosion resistance performance of gelatinization material | |
| CN102915665A (en) | Coalbed methane earthquake physical model and making method thereof | |
| CN103969271A (en) | X-ray fluorescence analysis method for determining element sulphur with different valence in cement | |
| CN106442946A (en) | Grout state and strength determining device and use method thereof | |
| CN106194257B (en) | A method of in the open-air pit bottom tailing disposal lotion of activity sedimentation | |
| CN211318136U (en) | Water inrush simulation device suitable for fault water inrush research on confined aquifer | |
| CN103940721B (en) | One newly mixes cellular concrete material porosity rapid assay methods | |
| Chen et al. | Pore size distribution of cement mortar prepared with crushed limestone sand | |
| CN111505251A (en) | Method for predicting strength of cement concrete | |
| CN106680146A (en) | Determination method for water consumption in concrete mixing ratio, and slump test apparatus | |
| CN207457017U (en) | A kind of experimental rig for being used to test porous engineering material porosity distribution | |
| CN110057716B (en) | Fresh concrete 28d compressive strength prediction method based on water-gel density ratio determination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |