CN204630786U - A kind of sludge consolidating sample making apparatus - Google Patents
A kind of sludge consolidating sample making apparatus Download PDFInfo
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- CN204630786U CN204630786U CN201520024488.1U CN201520024488U CN204630786U CN 204630786 U CN204630786 U CN 204630786U CN 201520024488 U CN201520024488 U CN 201520024488U CN 204630786 U CN204630786 U CN 204630786U
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- 239000010802 sludge Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 32
- 239000004816 latex Substances 0.000 claims abstract description 13
- 229920000126 latex Polymers 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 16
- 238000007596 consolidation process Methods 0.000 description 14
- 239000002689 soil Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000004927 clay Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of sludge consolidating sample making apparatus of the utility model publicity: vacuum pump is connected to collector pipe top with a scale by upper valve, tensimeter and pressure regulator valve; Collector pipe bottom is connected to lower valve place by snorkel; Threaded support is arranged on sample preparation platform base vertically, and reacting force crossbeam is fixed on the top of threaded support by hexagonal (hexagon)nut, adds the cap that bears down on one and is fixed on reacting force cross beam frame by thru-bolt; Displacement meter is arranged on the position of going to the bottom on the chassis of placing style; Permeable stone and filter paper are placed on mold base, and latex film is fixed on mold base outside, and a casing is arranged on mold base, and is arranged on the outside of latex film; Hollow cylinder armlet is placed on a casing top; Mould top cover is arranged on the top of hollow cylinder armlet.The utility model not only significantly reduces sample by the possibility of disturbance, improves sample repeatability simultaneously, and sample has uniform water percentage and size-grade distribution, effectively improves sample preparation efficiency and sample quality.
Description
Technical field
The utility model belongs to Geotechnical Engineering experimental technique field, particularly a kind of sludge consolidating sample making apparatus.
Background technology
The dynamic confined pressure that indoor quiet dynamic triaxial apparatus can independently control and dynamic axial power, the most of stress paths run in energy model engineering are necessarieses of research soil body mechanical property under various stress condition.Study the mechanical characteristic of the Static and dynamic of fine grained soil, a wherein very important link is exactly that problem prepared by the sample of shop experiment.
The preparation method of sample has conclusive impact to test findings.At first, indoor is all use undisturbed to the test of natural sediment soil.But for fine grained soil, be difficult to obtain undisturbed, because they are easy to by disturbance and are substantially difficult to recover.A kind of method effectively obtaining undisturbed freezes sampling, but this method expends very high, and the scope of application is very little.Another kind method is exactly that the material injection soil of gel or similar gelling is made it solidify and sampled, and is then removed under controlled conditions by gel in the lab.But be very inapplicable for native the method that perviousness is poor, whole process subjects higher disturbance risk.Preparing the modal method of sample is in the lab exactly remoulded sample, and the object that soil sample reinvents most critical has same or analogous mechanical property and soil structures with undisturbed exactly.In order to meet this requirement, sludge consolidating (deposition consolidation) is applied in the sample preparation of fine grained soil, but existing sludge consolidating method also exists a lot of problem: the homogeneity of sample is difficult to ensure; Too complex prepared by sample; Whole process is consuming time too much etc.Although fine grained soil can adopt the method similar with sand consolidation, fine grained soil sample is more easily disturbed or destroys.Therefore, need the new sludge consolidating sample making apparatus of exploitation and using method to ensure that the homogeneity of sample is with repeatable, reduces the sample preparation time, improves sample preparation efficiency simultaneously.
Before the utility model, patent " based on vacuum combined electroosmosis reinvent soft clay sample preparation device and method (application numbers: CN201310251375.0) " discloses a kind of soft clay sample preparation device and method, its infiltration water-drainage base seat lays non-woven geotextile successively, gravel bed, sand bedding course, electric osmose negative electrode, latex film upper and lower side turns up respectively and is enclosed within dress sample consolidation cylinder, it is bolted by ring flange with infiltration water-drainage base seat, steam separator cartridge is provided with electric contact vacuum meter, and be connected with vacuum pump with infiltration water-drainage base seat respectively by snorkel, after mud pours dress sample consolidation cylinder specified altitude assignment into, put into electric osmose anode, electric osmose anode and negative electrode are connected with programmable DC power supply with wire respectively.Under negative pressure of vacuum and electric osmose synergy, accelerate soil body discharging consolidation speed.But when preparing sample, only add negative pressure of vacuum in bottom, sample homogeneity is difficult to ensure, and needs after having prepared again to cut sample, adds the possibility of sample by disturbance.
Utility model content
The purpose of this utility model is to solve above-mentioned difficulties and problem, a kind of new sludge consolidating sample making apparatus and using method are provided, the sample of preparation has uniform water percentage and size-grade distribution, the sample repeatability of preparation is high, makes the sample of reinventing of fine grained soil have similar mechanical property and soil structures.
The technical solution adopted in the utility model is: a kind of sludge consolidating equipment, comprises power source system, sample preparation plateform system, mold system and auxiliary equipment system, wherein,
Described power source system comprises vacuum pump, air compressor machine, tensimeter, displacement meter, upper valve, lower valve, pressure regulator valve and collector pipe with a scale, and described vacuum pump is connected to collector pipe top with a scale by upper valve, tensimeter and pressure regulator valve; Described collector pipe bottom is connected to lower valve place by snorkel, and described lower valve is connected to snorkel interface; Described air compressor machine is connected to snorkel interface by upper valve, tensimeter and pressure regulator valve;
Described sample preparation plateform system comprises the chassis of sample preparation platform base, threaded support, reacting force crossbeam, thru-bolt, compacting top cap, hexagonal (hexagon)nut, displacement meter and placement sample, wherein, described threaded support is arranged on sample preparation platform base vertically, described reacting force crossbeam is fixed on the top of threaded support by hexagonal (hexagon)nut, described compacting top cap is fixed on reacting force cross beam frame by thru-bolt, and the chassis of described placement sample is placed on sample preparation platform base; Described displacement meter is arranged on the position of going to the bottom on the chassis of described placement style;
Described mold system comprises mold base, permeable stone, filter paper, latex film, casing, hollow cylinder armlet, mould top cover and O type circle, wherein, described permeable stone and filter paper are placed on mold base, described latex film is fixed on mold base outside by O type circle, described casing is arranged on mold base, and is arranged on the outside of latex film; Described hollow cylinder armlet is placed on a casing top; Described mould top cover is arranged on the top of hollow cylinder armlet.
Further, described hexagonal (hexagon)nut has 4, and is distributed in the both sides up and down of reacting force crossbeam respectively.
Further, described power source system comprises three power source parts and a part of catchmenting, wherein two power source parts are connected to collector pipe top with a scale by described vacuum pump by upper valve, tensimeter and pressure regulator valve, and collector pipe bottom is connected to lower valve composition by snorkel again; Another power source part is connected to snorkel interface by described air compressor machine by upper valve, tensimeter and pressure regulator valve and forms; Described part of catchmenting is connected to form with lower valve and snorkel interface successively by described collector pipe bottom with a scale.
Further, described compacting top cap is a hollow cylinder, is made up of the plectane with holes of the solid circular plate and top that are arranged on bottom.
Further, also comprise source of the gas pressurizer, it is inner that described source of the gas pressurizer is arranged on sample preparation platform base, and the chassis of described placement sample is placed on source of the gas pressurizer upper end, and is controlled by source of the gas pressurizer, for the pressure applying to specify to sample.
Further, described mold base inside is provided with two L-type pore channels, and the outlet of described L-type pore channel is connected to snorkel interface.
Further, described casing is two to open, and with scale inside hollow cylinder armlet, a casing internal diameter is consistent with hollow cylinder armlet internal diameter.
Further, described mould top cover inside is provided with multiple pore channel, and pore channel is all communicated to the side channels being opened in mould top cover side.
The beneficial effects of the utility model are as follows:
(1) this kind of new sludge consolidating sample making technology, can be used for directly preparing silt, silty clay, clay silt, the fine graineds such as clay are saturated reinvents sample.
(2) the solid sample of many sizes can be prepared, and the sample of preparation directly can be positioned over GDS or GCTS triaxial test platform on carry out static(al) and dynamic test, without the need to carrying out other process or correction to sample.
(3) whole sample is in manufacturing process is all carried out in same mould.Do not moved, hammering and vibration, perturbation is very little.
(4) due to sample be cemented in sealed vacuum environment under carry out, and add equal negative pressure at sample top and bottom, the sample of preparation has good homogeneity and repeatable (water percentage of sample is more consistent with size-grade distribution) simultaneously.
(5) all carried out real-time detection to the discharge rate of water in whole sample making course and the distortion of sample, the sample of preparation can reach set void ratio and water percentage, and accuracy is better.
(6) sample making course is simple, and whole device operability is strong, improves sample preparation efficiency, saves time.
Accompanying drawing explanation
fig. 1-----the utility model constructional device overall schematic.
fig. 2-----the utility model constructional device power source partial schematic diagram
fig. 3-----the utility model constructional device sample preparation terrace part schematic diagram
fig. 4-----the utility model constructional device mould part schematic diagram
fig. 5-----the utility model constructional device mould skeleton view
fig. 6-----the utility model constructional device die profile
fig. 7-----mould top cover schematic diagram
fig. 8-----mould top cover sectional view
fig. 9-----mould top cover top view
figure 10-----mold base schematic diagram
figure 11-----mold base sectional view
figure 12-----diagram bottom mold base
figure 13-----compacting top cap schematic diagram
figure 14-----compacting top cap sectional view
figure 15-----square head bolt schematic diagram
The component names that in figure, each label is corresponding is as follows:
1 is snorkel; 2-1,2-3 are upper valve; 2-2,2-4,2-6,2-7 are lower valve; 3-1,3-2,3-3 are tensimeter; 4-1,4-2,4-3 are pressure regulator valve; 5-1,5-2,5-3 are collector pipe with a scale; 6-1,6-2,6-3,6-4,6-5 are snorkel interface; 7-sample preparation platform base; The threaded support of 8-; 9-reacting force crossbeam; 10-hexagonal (hexagon)nut; 11-thru-bolt; 12-compacting top cap; 13-places the chassis of sample; 14-displacement meter; 15-mold base; 16-props up casing; 17-hollow cylinder armlet; 18-mould top cover; 19-1,19-2 are permeable stone; 20-1,20-2 are filter paper; 21-1,21-2 are O type circle; 22-latex film; 23-square head bolt; A-1, A-2 are mold base interface; B-1 is top cover interface.
Embodiment
For making the object of the utility model embodiment and technical scheme clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the utility model.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
The implication of the "and/or" described in the utility model refers to respective individualism or both simultaneous situations include interior.
The implication of " inside and outside " described in the utility model refers to relative to equipment itself, in the direction of sensing equipment inside is, otherwise is outward, but not the specific restriction to equipment mechanism of the present utility model.
When the implication of " left and right " described in the utility model refers to reader just to accompanying drawing, the left side of reader is a left side, and the right of reader is the right side, but not the specific restriction to equipment mechanism of the present utility model.
The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the utility model.
As depicted in figs. 1 and 2:
Valve 2-1(2-3) receive on vacuum pump with snorkel 1, again by valve 2-1(2-2), tensimeter 3-1(3-2) with pressure regulator valve 4-1(4-2) to be connected with snorkel and with collector pipe 5-1(5-2 with a scale) be connected, collector pipe 5-1(5-2 with a scale) bottom snorkel 1 and valve 2-2(2-4) be connected and finally receive snorkel interface 6-1(6-2) place; Valve 2-5 snorkel 1 is received on air compressor machine, then is connected successively with snorkel interface 6-3 with tensimeter 3-3, pressure regulator valve 4-3; Collector pipe 5-3 bottom snorkel 1 with a scale is connected with snorkel interface 6-4 with valve 2-5.Above-mentioned four parts form the power source part of consolidation sample making apparatus jointly.
As shown in Figure 3:
Two threaded supports 8 are fixed on sample preparation platform base 7, with four hexagonal (hexagon)nuts 10, reacting force crossbeam 9 is fixed on threaded support 8, be fixed on reacting force crossbeam with thru-bolt 11 by compacting top cap 12, the chassis 13 of placing sample is placed on the axial stretching top of source of the gas control.Be assembled into the sample preparation terrace part of consolidation sample making apparatus.As shown in FIG. 14 and 15, compacting top cap 12 is a hollow cylinder, is made up of the plectane with holes of the solid circular plate and top that are arranged on bottom.
As shown in FIG. 4,5,6, 7:
Mold base 15 puts permeable stone 19 above, filter paper 20-1 is positioned over permeable stone 19 top, with O type circle 21-1, latex film 22 is fixed on mold base 15, two spending casings 16 are assembled with mold base 15, hollow cylinder armlet 17 is positioned over mold base 15 top, is assembled into the mould part of consolidation sample making apparatus.
As shown in Figure 8,9, 10, mold base 15 inside is provided with two L-type pore channels, and the outlet of L-type pore channel is connected to snorkel interface.Mold base 15 both sides are respectively arranged with mold base interface A-1 and A-2,
As shown in Figure 11,12,13, mould top cover 18 inside is provided with multiple pore channel, and pore channel is all communicated to the side channels being opened in mould top cover side.Mould top cover 18 is also provided with top cover interface B-1, and top cover interface B-1 is communicated to side channels.
The snorkel interface A-1 square head bolt 23 of mold base 15 seals, and the bolt head of square head bolt 23 is square.
As shown in Figure 1:
The mould part assembled is placed into the chassis 13 of the placement sample of sample preparation terrace part, completes the overall package of consolidation sample making apparatus.
The using method of sludge consolidating equipment of the present utility model:
(1) fine grained soil (native weight is determined depending on different size) of 1000g mixes with the air free water of 440g, prepares the slurry liquid that water percentage is 44%.
(2) slurry liquid is positioned in sealable container and prevents evaporation of water, soaks more than 10h to ensure that water is fully absorbed.
(3) slurry liquid mixer fully mixes 15min, selects lower mixing rate (below 60rpm), avoids gas to enter slurries.
(4) be placed on mold base 15 by permeable stone 19-1, and put filter paper 20-1 on permeable stone 19-1, latex film 22 is enclosed within outside mold base 15, fixes with O type circle 21-1.
(5) prop up casing 16 to assemble with mold base 15, hollow cylinder armlet 17 is positioned over casing 16 top.
(6) mould assembling effect is placed on the chassis 13 of the placement sample of sample preparation terrace part.
(7) slurry liquid is poured into by funnel in the mould fixed, and reaches required height.Under gravity stress effect, depositing 3h, preventing the mud when being subject to instantaneous pressurization from overflowing.
(8) height adjusting reacting force crossbeam 9 makes compacting top cap 12 lower surface contact with post-depositional Starch Level.
(9) the snorkel interface A-1 square head bolt 23 of mold base 15 is sealed, with snorkel 1, the snorkel interface A-2 of mold base is connected with the snorkel interface 6-4 in power source, valve 2-6 is opened.
(10) with snorkel 1, snorkel interface 6-3 and 6-4 is connected, and opens valve 2-5 and 2-7.
(7) regulate pressure regulator valve 4-3 to carry out hierarchical loading, under every one-level loads, mud reaches primary consolidation, then carries out next stage loading, and every grade of loading is less than minimum effective consolidation stresses.
(8) displacement meter 14 is in order to the distortion of test samples, records the volume of water got rid of from snorkel interface A-2 under every one-level loads simultaneously.
(8) when bottom lower than hollow cylinder armlet 17 of the height of sample, removing hollow cylinder armlet 17, valve-off 2-5, valve 2-6 and valve 2-7.
(9) filter paper 20-2, permeable stone 19-2 and organic glass top cover 18 is placed successively on the top of sample, the top of latex mould 22 is enclosed within outside organic glass top cover 18, fix with O type circle 21-2, adjustment compacting top cap 12 contacts with organic glass top cover 18, forms sealed environment.
(10) snorkel interface A-2 square head bolt 23 is sealed, connect snorkel interface A-1 (the snorkel interface B-1 of organic glass top cover) with snorkel 1 to be connected with snorkel interface 6-1 (6-2), and valve 2-1,2-2,2-3,2-4,2-5,2-7 are all opened.
(11) regulate pressure regulator valve 4-3 to continue to add axial consolidation pressure to sample, meanwhile, regulate pressure regulator valve 4-1 with 4-2 to the identical up and down negative pressure (being less than effective confining pressure) of sample sample.
(12) from snorkel interface A-1 and B-1, the water of sucking-off is collected into collector pipe 5-1(5-2 with a scale) in and record.Consolidation under vacuum adopts displacement meter 14 to record the distortion of sample equally, until its consolidation completes.
These are only embodiment of the present utility model, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. a sludge consolidating sample making apparatus, is characterized in that, comprises power source system, sample preparation plateform system and mold system, wherein,
Described power source system comprises vacuum pump, air compressor machine, tensimeter, displacement meter, upper valve, lower valve, pressure regulator valve and collector pipe with a scale, and described vacuum pump is connected to collector pipe top with a scale by upper valve, tensimeter and pressure regulator valve; Described collector pipe bottom is connected to lower valve place by snorkel, and described lower valve is connected to snorkel interface; Described air compressor machine is connected to snorkel interface by upper valve, tensimeter and pressure regulator valve;
Described sample preparation plateform system comprises the chassis of sample preparation platform base, threaded support, reacting force crossbeam, thru-bolt, compacting top cap, hexagonal (hexagon)nut, displacement meter and placement sample, wherein, described threaded support is arranged on sample preparation platform base vertically, described reacting force crossbeam is fixed on the top of threaded support by hexagonal (hexagon)nut, described compacting top cap is fixed on reacting force cross beam frame by thru-bolt, and the chassis of described placement sample is placed on sample preparation platform base; Described displacement meter is arranged on the position of going to the bottom on the chassis of described placement sample;
Described mold system comprises mold base, permeable stone, filter paper, latex film, casing, hollow cylinder armlet, mould top cover and O type circle, wherein, described permeable stone and filter paper are placed on mold base, described latex film is fixed on mold base outside by O type circle, described casing is arranged on mold base, and is arranged on the outside of latex film; Described hollow cylinder armlet is placed on a casing top; Described mould top cover is arranged on the top of hollow cylinder armlet.
2. a kind of sludge consolidating sample making apparatus according to claim 1, it is characterized in that, described hexagonal (hexagon)nut has 4, and is distributed in the both sides up and down of reacting force crossbeam respectively.
3. a kind of sludge consolidating sample making apparatus according to claim 1, it is characterized in that, described power source system comprises three power source parts and a part of catchmenting, wherein two power source parts are connected to collector pipe top with a scale by described vacuum pump by upper valve, tensimeter and pressure regulator valve, and collector pipe bottom is connected to lower valve composition by snorkel again; Another power source part is connected to snorkel interface by described air compressor machine by upper valve, tensimeter and pressure regulator valve and forms; Described part of catchmenting is connected to form with lower valve and snorkel interface successively by described collector pipe bottom with a scale.
4. a kind of sludge consolidating sample making apparatus according to claim 1, is characterized in that, described compacting top cap is a hollow cylinder, is made up of the plectane with holes of the solid circular plate and top that are arranged on bottom.
5. a kind of sludge consolidating sample making apparatus according to claim 1, it is characterized in that, also comprise source of the gas pressurizer, it is inner that described source of the gas pressurizer is arranged on sample preparation platform base, the chassis of described placement sample is placed on source of the gas pressurizer upper end, and controlled by source of the gas pressurizer, for the pressure applying to specify to sample.
6. a kind of sludge consolidating sample making apparatus according to claim 1, is characterized in that, described mold base inside is provided with two L-type pore channels, and the outlet of described L-type pore channel is connected to snorkel interface.
7. a kind of sludge consolidating sample making apparatus according to claim 1, is characterized in that, described casing is two to open, and with scale inside hollow cylinder armlet, a casing internal diameter is consistent with hollow cylinder armlet internal diameter.
8. a kind of sludge consolidating sample making apparatus according to claim 1, is characterized in that, described mould top cover inside is provided with multiple pore channel, and pore channel is all communicated to the side channels being opened in mould top cover side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520024488.1U CN204630786U (en) | 2015-01-14 | 2015-01-14 | A kind of sludge consolidating sample making apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520024488.1U CN204630786U (en) | 2015-01-14 | 2015-01-14 | A kind of sludge consolidating sample making apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777016A (en) * | 2015-01-14 | 2015-07-15 | 南京工业大学 | Slurry consolidating sample production apparatus and use method thereof |
| CN105486589A (en) * | 2015-12-29 | 2016-04-13 | 温州大学 | Vacuum consolidation test device of unit soil sample under triaxial state |
| CN105784439A (en) * | 2016-03-08 | 2016-07-20 | 辽宁工程技术大学 | Manufacturing device for sludge solidification test samples |
| CN112683841A (en) * | 2021-01-26 | 2021-04-20 | 西南科技大学 | Preparation method of ammonium perchlorate standard samples with different water contents |
| CN115855560A (en) * | 2022-10-24 | 2023-03-28 | 北京林业大学 | Robot is taken in integration of submarine soil sample water sample |
-
2015
- 2015-01-14 CN CN201520024488.1U patent/CN204630786U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777016A (en) * | 2015-01-14 | 2015-07-15 | 南京工业大学 | Slurry consolidating sample production apparatus and use method thereof |
| CN104777016B (en) * | 2015-01-14 | 2017-10-24 | 南京工业大学 | A kind of sludge consolidating sample making apparatus and its application method |
| CN105486589A (en) * | 2015-12-29 | 2016-04-13 | 温州大学 | Vacuum consolidation test device of unit soil sample under triaxial state |
| CN105486589B (en) * | 2015-12-29 | 2018-03-20 | 温州大学 | The vacuum consolidation testing device of three Spindle Status lower unit soil samples |
| CN105784439A (en) * | 2016-03-08 | 2016-07-20 | 辽宁工程技术大学 | Manufacturing device for sludge solidification test samples |
| CN105784439B (en) * | 2016-03-08 | 2018-09-14 | 辽宁工程技术大学 | A kind of sludge curing test specimen producing device |
| CN112683841A (en) * | 2021-01-26 | 2021-04-20 | 西南科技大学 | Preparation method of ammonium perchlorate standard samples with different water contents |
| CN115855560A (en) * | 2022-10-24 | 2023-03-28 | 北京林业大学 | Robot is taken in integration of submarine soil sample water sample |
| CN115855560B (en) * | 2022-10-24 | 2023-08-04 | 北京林业大学 | Robot is adopted in soil sample water sample integration of water bottom |
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