CN107063808A - A kind of compaction apparatus and drawing method for making rocks sample - Google Patents
A kind of compaction apparatus and drawing method for making rocks sample Download PDFInfo
- Publication number
- CN107063808A CN107063808A CN201710452999.7A CN201710452999A CN107063808A CN 107063808 A CN107063808 A CN 107063808A CN 201710452999 A CN201710452999 A CN 201710452999A CN 107063808 A CN107063808 A CN 107063808A
- Authority
- CN
- China
- Prior art keywords
- sample
- mortar
- die trial
- guider
- support bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011435 rock Substances 0.000 title claims abstract description 54
- 238000005056 compaction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 235000011837 pasties Nutrition 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 abstract description 56
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000012237 artificial material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 201000010260 leiomyoma Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011376 self-consolidating concrete Substances 0.000 description 1
Classifications
-
- 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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention discloses a kind of compaction apparatus and drawing method for making rocks sample, and compaction apparatus includes base, depression bar, support bar and guider；It is characterized in that：Described support bar lower end is fixedly mounted on base；Guider is arranged on support bar；Described handle is located above guider, and one end is hinged with support bar；The upper end of described depression bar is hinged with handle, and middle part is located in the pilot hole of guider, and lower end is provided with pressing plate.The present invention is simple in construction, it is easy to operate, can be by the mortar material uniform compaction in slicing and filling to die trial, different sizes, rocks sample of different shapes can be compacted, prevent from retaining bubble inside mortar, the uniformity of rocks probe intensity is influenceed, the test data to rocks analog simulation sample is more accurate.
Description
Technical field
The invention belongs to rock mechanics analog simulation field of sample preparation, particularly relate to it is a kind of by different sizes,
The device and its sample manufacture craft process of shape rock-like materials compaction in layers.
Background technology
Rock mechanics analog simulation is tested, and is to use the artificial material on mechanics similar in appearance to leiomyoma cells, by a certain percentage
A mechanical structure system similar in appearance to prototype is built, the mechanical property of analog material is determined with this.It is larger due to directly carrying out
The experiment of size rock sample is had difficulties, therefore the experiment of rock analog simulation is widely used in rock mechanics experiment.
During analog material Mechanics Performance Testing is carried out, obtained rocks test specimen leakiness on the one hand can be
Bubble is retained inside sample so that mortar material skewness, on the other hand influence the stability of test specimen, so as to influence experiment
As a result.At present, the method for closely knit mortar material includes two methods of artificial vibrating spear jolt ramming and shake table vibration, is inserted using artificial
When ramming makees sample, to remain vertical due to plugging and pounding rod during plugging and pounding, must not tilt, and need repeatedly to plug and pound repeatedly；Adopt
During with shake table concrete compacted by jolting, cross to shake is easily produced so that concrete produces isolation, the obtained mortar concrete sample of influence
Intensity.
Due to mortar material complex manufacturing technology, Production Time is longer, is molded needs completely from sample form removal to sample and supports
Shield 28 days, and need to ensure the care environments of constant temperature and humidity, once differed greatly on the probe intensity produced, so as to influence examination
Test result and process.
CN104441203A discloses a kind of " V " shape funnel producing device of self-compacting concrete sample, funnel shaped, chi
Very little fixation make it that the sample of a kind of size, shape can only be produced every time, due to being difficult to press by the self gravitation of fraction mortar
Real mortar material, so as to influence the intensity of test specimen.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of making rocks sample simple in construction, easy to operate
Compaction apparatus and drawing method, the compaction apparatus make rocks test specimen during, it is easy to be compacted different sizes, shape sand
The compaction apparatus of pulp material, reduces inside sample because leakiness or internal retention bubble are so as to influence probe intensity, influences experiment
As a result and process so that when determining analog simulation sample mechanical property, test data is more accurate.
The technical solution adopted by the present invention is：A kind of compaction apparatus for making rocks sample, including base, depression bar, branch
Strut and guider；Described support bar lower end is fixedly mounted on base；Guider is arranged on support bar；Described
Handle is located above guider, and one end is hinged with support bar；The upper end of described depression bar is hinged with handle, and middle part, which is located at, to be oriented to
In the pilot hole of device, lower end is provided with pressing plate.
In the compaction apparatus of above-mentioned making rocks sample, described guider includes fixing device and track is filled
Put, guider is arranged on support bar by fixing device, is connected between fixing device and rail set by connecting rod.
In the compaction apparatus of above-mentioned making rocks sample, the middle part of pressing plate upper surface is provided with boss, convex edge of table
Provided with screw thread, depression bar lower end is provided with internal thread, and boss is spirally connected with depression bar lower end.
In the compaction apparatus of above-mentioned making rocks sample, in addition to dynamometer, one end of dynamometer is connected with handle,
The other end is connected with support bar top.
A kind of drawing method of the making rocks sample of compaction apparatus using above-mentioned making rocks sample, including
Following steps：
1）Using screen cloth, screening impurity is few, and even-grained sand is used as the aggregate of rock-like materials；
2）According to the mechanical characteristic of the requirement of intensity condition of similarity, and obtained test specimen, chosen material simultaneously adjusts material mixture ratio, counts
Each proportioning material proportion is calculated, material is well mixed by each component material of weighing；
3）According to the size of prefabricated rocks sample, shape selection die trial, die trial and mortar contact site are uniformly smeared one layer
Oil film, and die trial is placed on the compaction apparatus base for making rocks sample, the underface of depression bar；
4）According to the size of prefabricated rocks sample, shape selection pressing plate, make squeeze board supporting with die trial, and by die trial center and
Pressing plate center alignment；
5）Well mixed material is added into water, mortar material is stirred into viscous pasty state mortar；
6）It is fitted into mortar laminated in die trial, often loads certain thickness mortar material, pull down handle, handle drives depression bar
The squeeze board of bottom, which is extend into die trial, is compacted mortar；Every layer of size for inserting the thickness of mortar and pressure in die trial is recorded, is protected
Card is in same batch to be tested manufacturing process, and the thickness of every layer of filling sample keeps basically identical with pressing the size of power during handle；
7）By slurry placement higher than at the top of die trial at 1-2mm positions, and erased with the floating device unnecessary mortar material in top, test specimen
Complete.
Compared with prior art, the beneficial effects of the invention are as follows：
1）The present invention is simple in construction, easy to operate, and compacting is tight dense and uniform, solves in traditional test specimen compacting process and is also easy to produce gas
The problem of steeping and be compacted uneven.
2）The present invention pressing plate can dismounting and change, available for compacting different shape, various sizes of rocks sample, from
And make the test data of rocks sample more accurate.
3）During compacting operation of the present invention, every layer of size for inserting the thickness of mortar and pressure in die trial is recorded, it is ensured that same
In batch to be tested manufacturing process, the thickness of every layer of filling sample keeps basically identical with pressing the size of power during handle；It ensure that
The uniformity of sample performance；Make the test data of rocks sample more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
In figure：
1- base 2- mortars
3- die trial 4- pressing plates
5- depression bar 6- guiders
7- support bar 8- connecting rods
9- dynamometer 10- handles.
Embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
One kind that the present invention is provided is in rocks test specimen manufacturing process, for aiding in compacting different shapes and sizes class rock
The compaction apparatus of the making rocks sample of stone sample, is fills up to mortar laminated in die trial 3, with the pressure compaction of formed objects
The mortar of each layer of filling, it is ensured that compactness is basically identical in same batch to be tested manufacturing process, thus be made compactness it is uniform,
The consistent rocks sample of intensity.
As shown in Figure 1, 2, the compaction apparatus of making rocks sample of the invention, including base 1, depression bar 5, dynamometer 9,
Support bar 7 and guider 6；The lower end of described support bar 7 is fixedly mounted on base 1；Guider includes fixing device
And rail set, guider 6 is arranged on support bar 7 by fixing device, by even between fixing device and rail set
Extension bar 8 is connected.Described handle 10 is located at the top of guider 6, and one end is hinged with support bar 7.The upper end of described depression bar 5 with
Handle 10 is hinged, and middle part is located in the pilot hole of rail set, and lower end is provided with pressing plate 4.The middle part of the upper surface of pressing plate 4 is provided with convex
Platform, boss is threaded on edge, and the lower end of depression bar 5 is provided with internal thread, and boss is spirally connected with the lower end of depression bar 5；Therefore, pressing plate 4 and pressure
Bar 5 is detachable, can change, available for compacting different shape, various sizes of rocks sample, so that rocks sample
Test data is more accurate.
The drawing method of the making rocks sample of the present invention, comprises the following steps：
1）Using screen cloth, screening impurity is few, and even-grained sand is used as the aggregate of rock-like materials.
2）Required according to intensity condition of similarity, and obtained test specimen mechanical characteristic, chosen material simultaneously adjusts material and matches somebody with somebody
Than calculating each proportioning material proportion, material is well mixed by each component material of weighing.
3）According to the size of prefabricated rocks sample, shape selection die trial 3, die trial 3 is uniformly applied with mortar contact site
One layer of oil film is smeared, is easy to the demoulding of sample.And be placed on die trial on the compaction apparatus base 1 for making rocks sample, depression bar 5
Underface.
4）According to the size of prefabricated rocks sample, shape selection pressing plate 4, make pressing plate 4 and die trial 3 supporting, and by die trial 3
Center and the center alignment of pressing plate 4.
5）Well mixed material is added into water, mortar material is stirred into viscous pasty state mortar.
6）It is fitted into mortar laminated in die trial 3, often loads certain thickness mortar, pulls down handle 10, the band of handle 10
The pressing plate 4 of the lower end of dynamic pressure bar 5, which is extend into die trial 3, is compacted mortar；Record every layer and insert the thickness of mortar and dynamometer 9 in die trial
Force value size, it is ensured that in same batch to be tested manufacturing process, the thickness of every layer of filling sample and when pressing handle power size
Keep basically identical；The uniformity of sample performance is ensure that, makes the test data of rocks sample more accurate.
7）By slurry placement higher than the top 1-2mm positions of die trial 3 at, and the unnecessary mortar in top of being erased with floating device,
Test specimen completes.
When needing to prepare cylinder rocks sample, cylinder pressing plate is changed as shown in Figure 1；Need to prepare cuboid class rock
During stone sample, cuboid pressing plate is changed as shown in Figure 2；Similarly, corresponding pressing plate is changed according to prefabricated specimen shape.
The compaction apparatus of the making rocks sample of the present invention is simple in construction, easy to operate, can be by slicing and filling to examination
Mortar material uniform compaction in mould, can be compacted different sizes, rocks sample of different shapes, prevent retention inside mortar
Bubble, influences the uniformity of rocks probe intensity, and the test data to rocks analog simulation sample is more accurate.
The compaction apparatus to the making rocks sample of the present invention and compacting side above in conjunction with the drawings and specific embodiments
Method is described in detail, and the present invention is not limited to content described above, the knowledge possessed in those skilled in the art
In the range of, the various change that present inventive concept is made is not departed from, is still within the scope of the present invention.
Claims (5)
1. a kind of compaction apparatus for making rocks sample, including base, depression bar, support bar and guider；It is characterized in that：Institute
The support bar lower end stated is fixedly mounted on base；Guider is arranged on support bar；Described handle is located at guider
Top, one end is hinged with support bar；The upper end of described depression bar is hinged with handle, and middle part is located in the pilot hole of guider,
Lower end is provided with pressing plate.
2. the compaction apparatus according to claim 1 for making rocks sample, it is characterized in that：Described guider includes
Fixing device and rail set, guider are arranged on support bar by fixing device, between fixing device and rail set
Connected by connecting rod.
3. the compaction apparatus according to claim 1 for making rocks sample, it is characterized in that：Pressing plate is set in the middle part of upper surface
There is boss, convex edge of table is provided with screw thread, and depression bar lower end is provided with internal thread, and boss is spirally connected with depression bar lower end.
4. the compaction apparatus of the making rocks sample according to claim 1,2 or 3, it is characterized in that：Also include dynamometer,
One end of dynamometer is connected with handle, and the other end is connected with support bar top.
5. a kind of making class of the compaction apparatus of the making rocks sample in utilization claim 1-4 described in any claim
The drawing method of rock sample, comprises the following steps：
1）Using screen cloth, screening impurity is few, and even-grained sand is used as the aggregate of rock-like materials；
2）According to the mechanical characteristic of the requirement of intensity condition of similarity, and obtained test specimen, chosen material simultaneously adjusts material mixture ratio, counts
Each proportioning material proportion is calculated, material is well mixed by each component material of weighing；
3）According to the size of prefabricated rocks sample, shape selection die trial, die trial and mortar contact site are uniformly smeared one layer
Oil film, and die trial is placed on the compaction apparatus base for making rocks sample, the underface of depression bar；
4）According to the size of prefabricated rocks sample, shape selection pressing plate, make squeeze board supporting with die trial, and by die trial center and
Pressing plate center alignment；
5）Well mixed material is added into water, mortar material is stirred into viscous pasty state mortar；
6）It is fitted into mortar laminated in die trial, often loads certain thickness mortar material, pull down handle, handle drives depression bar
The squeeze board of bottom, which is extend into die trial, is compacted mortar；Every layer of size for inserting the thickness of mortar and pressure in die trial is recorded, is protected
Card is in same batch to be tested manufacturing process, and the thickness of every layer of filling sample keeps basically identical with pressing the size of power during handle；
7）By slurry placement higher than at the top of die trial at 1-2mm positions, and erased with the floating device unnecessary mortar material in top, test specimen
Complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452999.7A CN107063808A (en) | 2017-06-15 | 2017-06-15 | A kind of compaction apparatus and drawing method for making rocks sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452999.7A CN107063808A (en) | 2017-06-15 | 2017-06-15 | A kind of compaction apparatus and drawing method for making rocks sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107063808A true CN107063808A (en) | 2017-08-18 |
Family
ID=59593997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452999.7A Pending CN107063808A (en) | 2017-06-15 | 2017-06-15 | A kind of compaction apparatus and drawing method for making rocks sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063808A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870177A (en) * | 2017-11-03 | 2018-04-03 | 内蒙古工业大学 | The analogue means and frozen process experiment operating method that hole influences on cement-based material frost resistance |
| CN108519257A (en) * | 2018-03-07 | 2018-09-11 | 湖北理工学院 | Method and apparatus for the preparation of soil sample containing root and shearing strength detection |
| CN108663247A (en) * | 2018-05-18 | 2018-10-16 | 东南大学 | A kind of wet base molding machine and its strength detecting method of 3D printing concrete |
| CN109580302A (en) * | 2018-12-06 | 2019-04-05 | 东北大学 | A kind of uniaxial compression experiment tailings paste sample preparation device and experimental method |
| CN110070310A (en) * | 2019-05-08 | 2019-07-30 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the fast appraisement method of technique PCCP protective layer mortar design mixture proportion |
| CN110082187A (en) * | 2019-05-07 | 2019-08-02 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the forming method of detection test specimen in technique PCCP protective layer mortar room |
| CN110514497A (en) * | 2019-09-03 | 2019-11-29 | 长沙理工大学 | The rocks sample rotation maintenance sample preparation device and method for making sample of controllable axial compressive force |
| CN111289331A (en) * | 2020-03-31 | 2020-06-16 | 长沙理工大学 | Full-automatic integrated device for rapidly realizing rock-like sample preparation and sample preparation method |
| CN113933139A (en) * | 2021-09-29 | 2022-01-14 | 中国地质大学（武汉） | Sample preparation mold and sample preparation method for rock similar material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295897Y (en) * | 2008-10-31 | 2009-08-26 | 江苏罡阳股份有限公司 | Pressing device for pressing assembly part at end of elongated shaft |
| CN203779886U (en) * | 2013-08-26 | 2014-08-20 | 浙江通达磁业有限公司 | Simple tool for pressing |
| CN204214704U (en) * | 2014-10-21 | 2015-03-18 | 中国核工业华兴建设有限公司 | For the specimen molding device of pervious concrete |
| CN105424430A (en) * | 2015-11-05 | 2016-03-23 | 河海大学 | Manufacturing method of cemented soil and stone mixed sample |
| CN106124268A (en) * | 2016-07-03 | 2016-11-16 | 湖南科技大学 | Similarity simulation experiment test block prepressing device and the method making experiment test block with it |
-
2017
- 2017-06-15 CN CN201710452999.7A patent/CN107063808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295897Y (en) * | 2008-10-31 | 2009-08-26 | 江苏罡阳股份有限公司 | Pressing device for pressing assembly part at end of elongated shaft |
| CN203779886U (en) * | 2013-08-26 | 2014-08-20 | 浙江通达磁业有限公司 | Simple tool for pressing |
| CN204214704U (en) * | 2014-10-21 | 2015-03-18 | 中国核工业华兴建设有限公司 | For the specimen molding device of pervious concrete |
| CN105424430A (en) * | 2015-11-05 | 2016-03-23 | 河海大学 | Manufacturing method of cemented soil and stone mixed sample |
| CN106124268A (en) * | 2016-07-03 | 2016-11-16 | 湖南科技大学 | Similarity simulation experiment test block prepressing device and the method making experiment test block with it |
Non-Patent Citations (1)
| Title |
|---|
| 杜时贵等: "岩石结构面力学原型试验相似材料研究", 《岩石力学与工程学报》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870177A (en) * | 2017-11-03 | 2018-04-03 | 内蒙古工业大学 | The analogue means and frozen process experiment operating method that hole influences on cement-based material frost resistance |
| CN107870177B (en) * | 2017-11-03 | 2020-09-25 | 内蒙古工业大学 | Simulation device for influence of pores on frost resistance of cement-based material and freeze-thaw experiment operation method |
| CN108519257B (en) * | 2018-03-07 | 2020-09-08 | 湖北理工学院 | Method and device for preparing root-containing soil sample and detecting shear strength |
| CN108519257A (en) * | 2018-03-07 | 2018-09-11 | 湖北理工学院 | Method and apparatus for the preparation of soil sample containing root and shearing strength detection |
| CN108663247A (en) * | 2018-05-18 | 2018-10-16 | 东南大学 | A kind of wet base molding machine and its strength detecting method of 3D printing concrete |
| CN109580302A (en) * | 2018-12-06 | 2019-04-05 | 东北大学 | A kind of uniaxial compression experiment tailings paste sample preparation device and experimental method |
| CN110082187A (en) * | 2019-05-07 | 2019-08-02 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the forming method of detection test specimen in technique PCCP protective layer mortar room |
| CN110070310A (en) * | 2019-05-08 | 2019-07-30 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the fast appraisement method of technique PCCP protective layer mortar design mixture proportion |
| CN110514497A (en) * | 2019-09-03 | 2019-11-29 | 长沙理工大学 | The rocks sample rotation maintenance sample preparation device and method for making sample of controllable axial compressive force |
| CN110514497B (en) * | 2019-09-03 | 2021-09-03 | 长沙理工大学 | Axial pressure controllable rock-like sample rotating maintenance sample preparation device and sample preparation method |
| CN111289331A (en) * | 2020-03-31 | 2020-06-16 | 长沙理工大学 | Full-automatic integrated device for rapidly realizing rock-like sample preparation and sample preparation method |
| CN111289331B (en) * | 2020-03-31 | 2022-07-08 | 长沙理工大学 | Full-automatic integrated device for rapidly realizing rock-like sample preparation and sample preparation method |
| CN113933139A (en) * | 2021-09-29 | 2022-01-14 | 中国地质大学（武汉） | Sample preparation mold and sample preparation method for rock similar material |
| CN113933139B (en) * | 2021-09-29 | 2024-03-26 | 中国地质大学（武汉） | Rock similar material sample preparation mold and sample preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107063808A (en) | A kind of compaction apparatus and drawing method for making rocks sample | |
| CN106442153B (en) | The experimental rig and test method of simulation concrete Dam Heel of Gravity Dam hydraulic fracture | |
| CN106124268B (en) | A method of experiment test block is made with similarity simulation experiment test block prepressing device | |
| CN106769341A (en) | A kind of rocks sample preparation device and preparation method containing blind joint | |
| CN105890961B (en) | A kind of method for making sample and pressure setting of raw-soil sill | |
| CN101839831B (en) | Bond strength testing method of concrete rough aggregate interface | |
| CN110470522B (en) | Method for prefabricating fracture network rock mass samples with different water saturation degrees | |
| CN109916688B (en) | Lever type sample making machine for triaxial compression test of disturbing soil and sample making method thereof | |
| CN110514497B (en) | Axial pressure controllable rock-like sample rotating maintenance sample preparation device and sample preparation method | |
| CN103454127B (en) | Similar material for small and medium solid-fluid coupled model test and preparation method thereof | |
| CN104308957B (en) | A kind of concrete or the compressing apparatus and method of non-burning brick semidry method | |
| CN106442945B (en) | The test method that a kind of evaluable live fresh concrete layering situation and layering influence maturing | |
| CN106257267B (en) | Method for determining optimum water content and maximum dry density by static pressure method | |
| CN103278360A (en) | Reserved chamber simulating test piece manufacturing die assembly and method used for manufacturing test piece | |
| CN108414304A (en) | A kind of mold and method made for coupled shear-flow test joint samples | |
| CN201613589U (en) | Test piece forming device for extrusion flexible concrete compressive strength test | |
| CN107966384B (en) | Cement paste die filling and forming method | |
| CN106501054A (en) | A kind of mould for preparing artificial side's rock core and the preparation method of square rock core | |
| CN206825621U (en) | A kind of concrete sample make device | |
| CN205538382U (en) | It is experimental with concrete test block vibration device | |
| US3338563A (en) | Method of mixing high-strength concrete | |
| CN108801739B (en) | Method for manufacturing artificial physical rock core | |
| CN204613058U (en) | A kind of cement concrete segregation degree evaluation device | |
| CN108663247A (en) | A kind of wet base molding machine and its strength detecting method of 3D printing concrete | |
| CN108301447A (en) | Dispersed pressure anchor anchor mechanism visible model testing device and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |