CN204359612U - A kind of negative pressure of vacuum, malleation and heat integration load consolidometer - Google Patents
A kind of negative pressure of vacuum, malleation and heat integration load consolidometer Download PDFInfo
- Publication number
- CN204359612U CN204359612U CN201520034289.9U CN201520034289U CN204359612U CN 204359612 U CN204359612 U CN 204359612U CN 201520034289 U CN201520034289 U CN 201520034289U CN 204359612 U CN204359612 U CN 204359612U
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- pressure chamber
- piston
- vacuum
- malleation
- consolidometer
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- 230000010354 integration Effects 0.000 title claims abstract description 11
- 239000002689 soil Substances 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007596 consolidation process Methods 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 238000009835 boiling Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a kind of negative pressure of vacuum, malleation and heat integration and load consolidometer.Operating platform top of the trellis is equipped with pulley, wire rope strides across pulley, its one end is connected with upper weight tray, transmission rod is fixed on housing upper plate, counterweight connecting link is arranged on housing lower plate center, and be connected with lower weight tray, the other end of wire rope is connected with one end of transmission rod, and one end of transmission rod contacts with one end of piston; Piston and pressure chamber cylinder form sliding pair, permeable stone, soil examination happy and auspicious permeable stone are housed in the pressure chamber cylinder of piston base successively, be provided with pore water pressure measured hole and GDS hole between permeable stone and pressure chamber base down, arrange tubular electric boiling plate between heating system cylinder and pressure chamber cylinder, vacuum pump is connected with the hole that vacuumizes of piston axis through connecting pipe.The utility model pressure chamber temperature controls at 20 ~ 90 DEG C; The vacuum load of 0 ~-80kPa can be provided; Deflection and the pore water pressure of consolidation generation can be measured.
Description
Technical field
The utility model relates to consolidometer, is specifically related to load consolidometer for a kind of negative pressure of vacuum of saturated soil cylindrical sample in Geotechnical Engineering, malleation and heat integration.
Technical background
The Soft Soil Districts such as China's Beijing-Tianjin Circum-Bohai Sea, the Yangtze River Delta, Pearl River Delta carries 50% population, 65%GDP and 90% total import and export value, and land resource is very in short supply.Adopting the ultra-soft soil such as vacuum preloading method process blowing-filling sludge to expand land area, is the method that a lot of coastal cities are conventional at present.But blowing-filling sludge infiltration coefficient is little, cause the process duration longer, the people such as Abuel-Naga (2006) propose thermovacuum preloading method first, find that consolidation time shortens 2/3 compared with traditional vacuum method, final settlement improves 25 ~ 30%, effect highly significant.
But, carrying out in temperature controlled consolidation test to saturated soil cylindrical sample at present, only achieve the loading that malleation load is coupled with temperature, also there is not the consolidation device under negative pressure of vacuum, temperature and the coupling of malleation load, therefore the consolidation characteristics of soil sample under high temperature, normal temperature and vacuum load coupling condition can not be analyzed.Along with the needs of constructing under various extreme condition, under temperature load effect, the research of saturated soil hot consolidation characteristic becomes a necessary problem.
Utility model content
Can not carry out the defect of consolidation experiment under vacuum load and temperature load coupling for conventional consolidation experiment, the purpose of this utility model is to provide a kind of negative pressure of vacuum, malleation and heat integration to load consolidometer.Its maximum feature to provide vacuum load and transformation temperature load, also can provide outside malleation load.It can meet saturated soil hot consolidation experiment under the positive press loading effect in different vacuum level, temperature load and outside.
The technical solution adopted in the utility model is:
The utility model is equipped with pulley at operating platform top of the trellis, wire rope strides across pulley, in operating platform frame, one end of wire rope is connected with the upper weight tray that upper counterweight is housed, housing upper plate is connected by connecting link with housing lower plate, transmission rod is fixed on housing upper plate, housing lower plate center is installed in one end of counterweight connecting link, the other end of counterweight connecting link is connected with the lower weight tray that lower counterweight is housed, the other end of wire rope is connected with one end of transmission rod, and one end of transmission rod contacts with one end of piston; Piston and pressure chamber cylinder form sliding pair, first permeable stone, soil examination happy and auspicious second permeable stone are housed in the pressure chamber cylinder of piston base successively, pore water pressure measured hole and GDS hole is provided with between the second permeable stone and pressure chamber base, heating system cylinder is set outside pressure chamber, tubular electric boiling plate is set between heating system cylinder and pressure chamber cylinder, electric boiling plate and electroheat pair are connected to temperature controller, and vacuum pump is connected with the hole that vacuumizes of piston axis through connecting pipe.
Described connecting pipe is clear hard plastic tube, and indicates scale, has the water of the consolidation draining amount for measuring soil sample in pipe.
Multiple rubber ring of piston is provided with between described piston and pressure chamber cylinder.
Described pressure chamber cylinder bottom surface and pressure chamber base junction are provided with rubber ring.
Described transmission rod end is circular arc convex shape, and pistons end is arc depression shape.
The beneficial effect that the utility model has is:
(1) pressure chamber's temperature-controllable changes within the scope of 20 ~ 90 DEG C;
(2) the vacuum load of 0 ~-80kPa scope can be provided;
(3) accurate, uninfluenced malleation can be provided to load, load scope is 0 ~ 100kg;
(4) deflection that can produce during Accurate Measurement hot consolidation and pore water pressure change.
Accompanying drawing explanation
Fig. 1 is experimental provision overall schematic.
Fig. 2 is experimental pressure room enlarged diagram.
In figure: 1, pulley, 2, wire rope, 3, upper counterweight, 4, upper weight tray, 5, transmission rod, 6, housing upper plate, 7, electric boiling plate, 8, connecting link, 9, housing lower plate, 10, counterweight connecting link, 11, lower counterweight, 12, lower weight tray, 13, operating platform frame, 14, vacuumize hole, 15, rubber ring of piston, 16, pressure chamber cylinder, 17, rubber ring, 18, pore water pressure measured hole, 19, piston, 20, pressure chamber's top cover, 21, bolt, 22, GDS hole, 23, pressure chamber base, 24, electroheat pair, 25, cover plate, 26, heating system cylinder, 27, permeable stone, 28, vacuum pump, 29, connecting pipe.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, the utility model is equipped with pulley 1 at operating platform frame 13 top, wire rope 2 strides across pulley 1, in operating platform frame 13, one end of wire rope 2 is connected with the upper weight tray 4 that upper counterweight 3 is housed, housing upper plate 6 is connected by connecting link 8 with housing lower plate 9, transmission rod 5 is fixed on housing upper plate 6, housing lower plate 9 center is installed in one end of counterweight connecting link 10, the other end of counterweight connecting link 10 is connected with the lower weight tray 12 that lower counterweight 11 is housed, the other end of wire rope 2 is connected with one end of transmission rod 5, one end of transmission rod 5 contacts with one end of piston 19, piston 19 and pressure chamber cylinder 16 form sliding pair, first permeable stone, soil examination happy and auspicious second permeable stone are housed in the pressure chamber cylinder 16 bottom piston 19 successively, pore water pressure measured hole 18 and GDS hole 22 is provided with between the second permeable stone and pressure chamber base 23, heating system cylinder 26 is set outside pressure chamber, tubular electric boiling plate 7 is set between heating system cylinder 26 and pressure chamber cylinder 16, electric boiling plate 7 and electroheat pair 24 are connected to temperature controller, and vacuum pump 28 is connected with the hole 14 that vacuumizes of piston 19 axis through connecting pipe 29.
Described connecting pipe 29 is clear hard plastic tubes, and indicates scale, has the water of the consolidation draining amount for measuring soil sample in pipe.When evacuated, according to the connecting pipe 29 middle water level measure of the change amount of vacuumizing, thus vacuum load can be applied to sample and realize indirect inspection sample decrement.
Multiple rubber ring of piston 15 is provided with between described piston 19 and pressure chamber cylinder 16.
Described pressure chamber cylinder 16 bottom surface and pressure chamber base 23 junction are provided with rubber ring 17.
Described transmission rod 5 end is circular arc convex shape, and piston 19 end is arc depression shape.
Principle of work of the present utility model:
Put permeable stone 27 at pressure chamber's upper and lower pad that sample is housed, by above-mentioned install device after, first increase lower counterweight 11 and apply certain vertical load, then heat and open temperature load and the vacuum load that vacuum pump 28 applies requirement of experiment.Under vacuum load, temperature load and external loads synergy, saturated soil sample consolidation.During consolidation, saturated soil sample distortion can according to connecting pipe 29 SEA LEVEL VARIATION indirect inspection, and pore water pressure is measured by the pore water pressure measured hole 18 of pressure chamber base 23.Thus achieve the experiment of the negative pressure of vacuum of saturated soil, malleation and heat integration consolidation.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (5)
1. a negative pressure of vacuum, malleation and heat integration load consolidometer, it is characterized in that: at operating platform frame (13) top, pulley (1) is housed, wire rope (2) strides across pulley (1), in operating platform frame (13), one end of wire rope (2) is connected with the upper weight tray (4) that upper counterweight (3) is housed, housing upper plate (6) is connected by connecting link (8) with housing lower plate (9), transmission rod (5) is fixed on housing upper plate (6), housing lower plate (9) center is installed in one end of counterweight connecting link (10), the other end of counterweight connecting link (10) is connected with the lower weight tray (12) that lower counterweight (11) is housed, the other end of wire rope (2) is connected with one end of transmission rod (5), one end of transmission rod (5) contacts with one end of piston (19), piston (19) and pressure chamber cylinder (16) form sliding pair, in the pressure chamber cylinder (16) of piston (19) bottom, the first permeable stone is housed successively, happy and auspicious second permeable stone of soil examination, pore water pressure measured hole (18) and GDS hole (22) are provided with between the second permeable stone and pressure chamber base (23), heating system cylinder (26) is set outside pressure chamber, tubular electric boiling plate (7) is set between heating system cylinder (26) and pressure chamber cylinder (16), electric boiling plate (7) and electroheat pair (24) are connected to temperature controller, vacuum pump (28) is connected through the hole (14) that vacuumizes that connecting pipe (29) is axial with piston (19).
2. a kind of negative pressure of vacuum according to claim 1, malleation and heat integration load consolidometer, it is characterized in that: described connecting pipe (29) is clear hard plastic tube, and indicates scale having the water of the consolidation draining amount for measuring soil sample in pipe.
3. a kind of negative pressure of vacuum according to claim 1, malleation and heat integration load consolidometer, it is characterized in that: be provided with multiple rubber ring of piston (15) between described piston (19) and pressure chamber cylinder (16).
4. a kind of negative pressure of vacuum according to claim 1, malleation and heat integration load consolidometer, it is characterized in that: described pressure chamber cylinder (16) bottom surface and pressure chamber base (23) junction are provided with rubber ring (17).
5. a kind of negative pressure of vacuum according to claim 1, malleation and heat integration load consolidometer, and it is characterized in that: described transmission rod (5) end is circular arc convex shape, piston (19) end is arc depression shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034289.9U CN204359612U (en) | 2015-01-19 | 2015-01-19 | A kind of negative pressure of vacuum, malleation and heat integration load consolidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034289.9U CN204359612U (en) | 2015-01-19 | 2015-01-19 | A kind of negative pressure of vacuum, malleation and heat integration load consolidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204359612U true CN204359612U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520034289.9U Withdrawn - After Issue CN204359612U (en) | 2015-01-19 | 2015-01-19 | A kind of negative pressure of vacuum, malleation and heat integration load consolidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204359612U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568599A (en) * | 2015-01-19 | 2015-04-29 | 浙江大学 | Vacuum negative pressure/positive pressure/heat combined loading consolidation apparatus |
| WO2018161866A1 (en) * | 2017-03-05 | 2018-09-13 | 南京大学 | Device and method for testing mechanical behavior characteristic of pile-soil interface for energy pile |
| CN108918585A (en) * | 2018-08-01 | 2018-11-30 | 盐城师范学院 | Gaseous state procedural test system |
| CN110018011A (en) * | 2019-05-21 | 2019-07-16 | 浙江工业大学 | Vacuum tank is placed in the thermal vacuum test facility in insulating box |
| CN110018012A (en) * | 2019-05-21 | 2019-07-16 | 浙江工业大学 | Thermal vacuum test facility with temperature isolation case |
| CN110031249A (en) * | 2019-05-21 | 2019-07-19 | 浙江工业大学 | Heating device is placed in the thermal vacuum test facility of vacuum tank tank wall |
| CN110044648A (en) * | 2019-05-21 | 2019-07-23 | 浙江工业大学 | Vacuum test device equipped with mobile vacuum extract system |
| CN110132747A (en) * | 2019-04-26 | 2019-08-16 | 昆明理工大学 | A kind of single lever type consolidation apparatus |
| CN110361258A (en) * | 2018-04-10 | 2019-10-22 | 中国矿业大学(北京) | A kind of saturable sliding high-pressure consolidation apparatus device |
-
2015
- 2015-01-19 CN CN201520034289.9U patent/CN204359612U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568599A (en) * | 2015-01-19 | 2015-04-29 | 浙江大学 | Vacuum negative pressure/positive pressure/heat combined loading consolidation apparatus |
| CN104568599B (en) * | 2015-01-19 | 2017-04-12 | 浙江大学 | Vacuum negative pressure/positive pressure/heat combined loading consolidation apparatus |
| WO2018161866A1 (en) * | 2017-03-05 | 2018-09-13 | 南京大学 | Device and method for testing mechanical behavior characteristic of pile-soil interface for energy pile |
| CN110361258A (en) * | 2018-04-10 | 2019-10-22 | 中国矿业大学(北京) | A kind of saturable sliding high-pressure consolidation apparatus device |
| CN108918585A (en) * | 2018-08-01 | 2018-11-30 | 盐城师范学院 | Gaseous state procedural test system |
| CN110132747A (en) * | 2019-04-26 | 2019-08-16 | 昆明理工大学 | A kind of single lever type consolidation apparatus |
| CN110132747B (en) * | 2019-04-26 | 2024-04-09 | 昆明理工大学 | Single lever type consolidation apparatus |
| CN110018011A (en) * | 2019-05-21 | 2019-07-16 | 浙江工业大学 | Vacuum tank is placed in the thermal vacuum test facility in insulating box |
| CN110018012A (en) * | 2019-05-21 | 2019-07-16 | 浙江工业大学 | Thermal vacuum test facility with temperature isolation case |
| CN110031249A (en) * | 2019-05-21 | 2019-07-19 | 浙江工业大学 | Heating device is placed in the thermal vacuum test facility of vacuum tank tank wall |
| CN110044648A (en) * | 2019-05-21 | 2019-07-23 | 浙江工业大学 | Vacuum test device equipped with mobile vacuum extract system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150527 Effective date of abandoning: 20170412 |