CN106442623A - Horizontal frost heaving device - Google Patents
Horizontal frost heaving device Download PDFInfo
- Publication number
- CN106442623A CN106442623A CN201611059744.6A CN201611059744A CN106442623A CN 106442623 A CN106442623 A CN 106442623A CN 201611059744 A CN201611059744 A CN 201611059744A CN 106442623 A CN106442623 A CN 106442623A
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- water
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- supply tank
- support body
- water supply
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 57
- 238000005057 refrigeration Methods 0.000 claims abstract description 31
- 238000013480 data collection Methods 0.000 claims abstract description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 abstract description 24
- 230000007547 defect Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
- G01N25/58—Investigating or analyzing materials by the use of thermal means by investigating moisture content by measuring changes of properties of the material due to heat, cold or expansion
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- 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)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention provides a frost heaving device and relates to a horizontal frost heaving device. The horizontal frost heaving device overcomes the defects that the existing frost heaving model cannot perform automatic water replenishment, and control soil mass dimension and soil block compactness and the like to result in an incomplete experiment. The device comprises a refrigeration mechanism, a data collection mechanism, a macadam groove component, a water replenishment mechanism and a test frame, wherein the refrigeration mechanism comprises a refrigeration compressor, a refrigeration disc and a refrigeration temperature data display window; the test frame comprises a test frame body, a slide baffle, a water seepage plate and four test frame plate bodies; the macadam groove component comprises a macadam groove, a first built-in baffle, a second built-in baffle, a plurality of corbels and a plurality of macadam groove water inlet pipes; the water replenishment mechanism comprises a water replenishment tank, a plurality of water replenishment tank inlet pipes and a plurality of water replenishment tank overflow pipes; a cylindrical deep groove is filled to the brim with filling liquid; the device is used for the field of soil mass frost heaving.
Description
Technical field
The present invention relates to a kind of frost heave device is and in particular to a kind of horizontal frost heave device.
Background technology
In northern China, part engineering brings unfavorable shadow in order to avoid the frost heaving of soil body during north of china in winter to engineering
Ring it is ensured that the stability of engineering support and safety are it is therefore desirable to do to horizontal frost-heaving produced in the soil body, horizontal frost heaving amount
Go out analysis, find between the factors such as horizontal frost-heaving, horizontal frost heaving amount and moisture content, temperature, the species of soil, and soil body thickness
Relation, for engineering design provide more omnibearing theoretical foundation.Existing frost heave model exist cannot automatic water supplement it is impossible to
Control the defect such as soil body size and soil block packing, lead to experiment cannot carry out comprehensively.
Content of the invention
The present invention in order to solve existing frost heave model exist cannot automatic water supplement it is impossible to control soil body size and
The defects such as soil block packing, lead to test the problem that cannot comprehensively carry out, and then provide a kind of horizontal frost heave device.
The present invention is to solve the above problems to adopt the technical scheme that：It includes refrigeration mechanism, Data Collection mechanism, rubble
Bowl assembly, water compensation mechanism and test framework, refrigeration mechanism includes refrigeration compressor, chill plate and cryogenic temperature data display window,
Test framework includes testing support body, slide damper, water permeating board and four test stand plate bodys, rubble bowl assembly include rubble groove, the
One internal baffle, the second internal baffle, multiple corbel and multiple rubble groove water inlet pipe, water compensation mechanism includes water supply tank, multiple benefit
Tank inlet pipe and multiple water supply tank overflow pipe, test support body is rectangle support body, and refrigeration compressor is provided with cryogenic temperature number
According to display window, refrigeration compressor is arranged in chill plate, and four test stand plate bodys are along the circumferential direction arranged on test support body, ooze
Water plate is arranged on the bottom of test support body, and slide damper is arranged in the test stand body above water permeating board, the first internal baffle and
Second internal baffle is vertically arranged in rubble groove respectively, and refrigeration disk cover is contained in the top of test support body, the system of refrigeration compressor
Cold pipe is arranged on the lower surface of chill plate, and the madial wall near top for the rubble groove is provided with multiple corbels, and test support body is arranged on
On multiple corbels in rubble groove, rubble groove is connected with water supply tank by multiple rubble groove water inlet pipes, and the water inlet of multiple water supply tank
Pipe is connected with water supply tank near the bottom of water supply tank, and multiple water supply tank overflow pipes are connected with water supply tank near the top of water supply tank.
The invention has the beneficial effects as follows：
1st, refrigerating plant is positioned in the middle of model test, using automatic data collection system, makes the present invention using more square
Just facilitate.And the present invention can automatically control frost heave temperature, and the data of frost heave is collected.
2nd, the present invention meet to rubble groove 7 carry out vertical moisturizing, refrigeration with the frost heaving that is up to the standard, the soil body hit solidity
And the adjustment of soil body size is thus meet using measurement horizontal frost-heaving.Vertical water replanishing device in system, can be as far as possible
Simulated groundwater environment, then coordinate refrigeration system, really realize moisture field, temperature field, the combination of stress field, make experiment more
Tool convincingness.
3rd, the stationarity that multiple corbels 10 ensure water permeating board 6 is provided with medium stone groove 7 of the present invention.
Brief description
Fig. 1 is overall structure front view of the present invention, the structural representation of Fig. 2 refrigeration mechanism of the present invention, and Fig. 3 is that the present invention is broken
The structural representation of stone cistern assembly.
Specific embodiment
Specific embodiment one：In conjunction with Fig. 1-Fig. 3, present embodiment is described, a kind of horizontal frost heave dress described in present embodiment
Put, it includes refrigeration mechanism, Data Collection mechanism 4, rubble bowl assembly, water compensation mechanism and test framework, refrigeration mechanism includes making
Cold compressor 1, chill plate 2 and cryogenic temperature data display window 3, test framework includes testing support body 12, slide damper 13, infiltration
Plate 6 and four test stand plate bodys 11, rubble bowl assembly includes rubble groove 7, the first internal baffle 8, the second internal baffle 9, multiple
Corbel 10 and multiple rubble groove water inlet pipe 17, water compensation mechanism includes water supply tank 18, multiple water supply tank water inlet pipe 19 and multiple moisturizing
Case overflow pipe 16, test support body 12 is rectangle support body, and refrigeration compressor 1 is provided with cryogenic temperature data display window 3, refrigeration pressure
Contracting machine 1 is arranged in chill plate 2, and four test stand plate bodys 11 are along the circumferential direction arranged on test support body 12, and water permeating board 6 is installed
In the bottom of test support body 12, slide damper 13 is arranged in the test support body 12 of water permeating board 6 top, the first internal baffle 8 He
Second internal baffle 9 is vertically arranged in rubble groove 7 respectively, by the first internal baffle 8 and the second internal baffle 9 by rubble groove
7 are divided into three spaces, and chill plate 2 lid is contained in the top of test support body 12, and the refrigerator pipes of refrigeration compressor 1 are arranged on chill plate
On 2 lower surface, the madial wall near top for the rubble groove 7 is provided with multiple corbels 10, and test support body 12 is arranged in rubble groove 7
On multiple corbels 10, rubble groove 7 is connected with water supply tank 18 by multiple rubble groove water inlet pipes 17, and multiple water supply tank water inlet pipe 19
Bottom near water supply tank 18 is connected with water supply tank 18, and multiple water supply tank overflow pipes 16 are near the top of water supply tank 18 and water supply tank
18 connections.
Specific embodiment two：In conjunction with Fig. 1, present embodiment is described, a kind of horizontal frost heave device described in present embodiment,
Data Collection mechanism 4 includes data collector, multiple thermally sensitive temperature sensor 5, multiple mechanics sensor 5-1 and multiple humidity and passes
Sensor 5-2, multiple thermally sensitive temperature sensors 5, multiple mechanics sensor 5-1 and multiple humidity sensor 5-2 are installed in test
On frame plate body 11, and each thermally sensitive temperature sensor 5, each mechanics sensor 5-1 and each humidity sensor 5-2 are all and data
Collector connects, and other compositions and annexation are identical with specific embodiment one.
Specific embodiment three：In conjunction with Fig. 1, present embodiment is described, a kind of horizontal frost heave device described in present embodiment,
Test framework also includes slide damper fixing bolt 15, on test support body 12 along length setting test stand plate body 11 near bottom
It is machined with bar hole 14, slide damper fixing bolt 15 is arranged on bar hole 14, and the screw thread of slide damper fixing bolt 15
End is connected with the flank threads of slide damper 13, and other compositions and annexation are identical with specific embodiment one.
Specific embodiment four：In conjunction with Fig. 1, present embodiment is described, a kind of horizontal frost heave device described in present embodiment,
Water permeating board 6 is to be machined with multiple water seepage holes on rectangular slab, and water permeating board 6, and other forms and annexation and specific embodiment party
Formula one is identical.
Concrete calculating process does following citing：
Contacted by tagger between dynamometer used and the soil body, a width of a and b of length of tagger, then tagger area is
ab.Soil body horizontal direction length is l.Each depth level frost heave stress is δ1、δ2、δi……δn, strain as ε1、ε2、εi……εn.
In test, the horizontal frost-heaving that different depth dynamometer records each depth is f1、f2、fi、……fn, different depth
Displacement meter record soil frost heaving amount be Δ x1、Δx2、Δxi……Δxn, then the horizontal frost heave stress of each depth beHorizontal strain is
Operation principle
Add level and join suitable rubble first in rubble groove 7, then pass through to adjust the slide damper 13 Adjustment Tests soil body
Slide damper 13 is passed through slide damper fixing bolt 15 after determining slide damper 13 position and fixes by volume, by geotechnique's examination
Test superstructure to be positioned on rubble groove 7, and top gravity is undertaken by corbel 10 and rubble groove 7 edge, the soil body will be tested
It is added gradually among the soil test space that slide damper 13 is surrounded with test support body 12, add test soil body process successively
In thermally sensitive temperature sensor 5, mechanics sensor 5-1 and humidity sensor 5-2 are put into by the preformed hole of differing heights, and survey
Measuring appratus delivery outlet is linked into Data Collection mechanism 4, and the test soil body carries out hitting reality in a certain way, and the test soil body loads and completes it
Afterwards slide damper 13 is taken off, test soil body side is carried out with the arrangement of temperature sensor 5, mechanics sensor 5-1.By moisturizing
Case water inlet pipe 19 carries out moisturizing to water supply tank 18, and make-up water carries out moisturizing by rubble groove water inlet pipe 17 to rubble groove 7, and passes through
Water supply tank overflow pipe 16 adjusts rubble trough inner water position height it is ensured that water level is contacted with water permeating board 6 infiltration space in rubble groove 7.
Refrigeration mechanism is positioned on test support body 12, adjustment position guarantees that refrigeration mechanism is contacted with soil body chamber tightly, connects system
Cold compressor 1 and data gathering system 4 power supply, carry out cryogenic temperature by refrigeration temperature control data display window 3 to refrigeration compressor 1
Set, refrigeration compressor started working after being preheated by the short time, thermistor temperature sensor 5, mechanics sensor 5-1,
Humidity sensor 5-2 starts to collect data, and by collected data transfer to data gathering system 4, data gathering system 4
The data being obtained is carried out show, drawing image and derive the functions such as data form, and then reach the purpose of the present invention.
Claims (4)
1. a kind of horizontal frost heave device it is characterised in that：It include refrigeration mechanism, Data Collection mechanism (4), rubble bowl assembly,
Water compensation mechanism and test framework, refrigeration mechanism includes refrigeration compressor (1), chill plate (2) and cryogenic temperature data display window
(3), test framework includes testing support body (12), slide damper (13), water permeating board (6) and four test stand plate bodys (11), rubble
Bowl assembly includes rubble groove (7), the first internal baffle (8), the second internal baffle (9), multiple corbel (10) and multiple rubble groove
Water inlet pipe (17), water compensation mechanism includes water supply tank (18), multiple water supply tank water inlet pipe (19) and multiple water supply tank overflow pipe (16),
Test support body (12) is rectangle support body, and refrigeration compressor (1) is provided with cryogenic temperature data display window (3), refrigeration compressor
(1) it is arranged in chill plate (2), four test stand plate bodys (11) are along the circumferential direction arranged in test support body (12), water permeating board
(6) it is arranged on the bottom of test support body (12), slide damper (13) is arranged on the test support body (12) above water permeating board (6) Nei,
First internal baffle (8) and the second internal baffle (9) are vertically arranged in rubble groove (7) respectively, and chill plate (2) lid is contained in test
The top of support body (12), the refrigerator pipes of refrigeration compressor (1) are arranged on the lower surface of chill plate (2), and rubble groove (7) is near top
The madial wall at end is provided with multiple corbels (10), and test support body (12) is arranged on the multiple corbels (10) in rubble groove (7), rubble
Groove (7) is connected with water supply tank (18) by multiple rubbles groove water inlet pipe (17), and multiple water supply tank water inlet pipe (19) is near moisturizing
The bottom of case (18) is connected with water supply tank (18), and multiple water supply tank overflow pipes (16) are near the top of water supply tank (18) and water supply tank
(18) connect.
2. according to claim 1 a kind of horizontal frost heave device it is characterised in that：Data Collection mechanism (4) includes data and receives
Storage, multiple thermally sensitive temperature sensor (5), multiple mechanics sensor (5-1) and multiple humidity sensor (5-2), multiple temperature-sensitives
Temperature sensor (5), multiple mechanics sensor (5-1) and multiple humidity sensor (5-2) are installed in test stand plate body (11)
On, and each thermally sensitive temperature sensor (5), each mechanics sensor (5-1) and each humidity sensor (5-2) all with data receive
Storage connects.
3. according to claim 1 a kind of horizontal frost heave device it is characterised in that：Test framework also includes slide damper to be fixed
Bolt (15), test support body (12) is machined with bar hole (14) along the test stand plate body (11) of length setting near bottom, sliding
Dynamic baffle plate fixing bolt (15) is arranged on bar hole (14), and the end of thread of slide damper fixing bolt (15) and slide damper
(13) flank threads connect.
4. according to claim 1 a kind of horizontal frost heave device it is characterised in that：Water permeating board (6) is rectangular slab, and seeps water
Plate is machined with multiple water seepage holes on (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059744.6A CN106442623A (en) | 2016-11-25 | 2016-11-25 | Horizontal frost heaving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059744.6A CN106442623A (en) | 2016-11-25 | 2016-11-25 | Horizontal frost heaving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106442623A true CN106442623A (en) | 2017-02-22 |
Family
ID=58219792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611059744.6A Pending CN106442623A (en) | 2016-11-25 | 2016-11-25 | Horizontal frost heaving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106442623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991339A (en) * | 2018-01-25 | 2018-05-04 | 沈阳建筑大学 | A kind of body frost heaving force measuring device and measuring method |
| CN109884111A (en) * | 2019-03-26 | 2019-06-14 | 哈尔滨工业大学 | A kind of soil freezing heave and water-energy budget couple visualized experiment auxiliary device |
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Cited By (2)
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|---|---|---|---|---|
| CN107991339A (en) * | 2018-01-25 | 2018-05-04 | 沈阳建筑大学 | A kind of body frost heaving force measuring device and measuring method |
| CN109884111A (en) * | 2019-03-26 | 2019-06-14 | 哈尔滨工业大学 | A kind of soil freezing heave and water-energy budget couple visualized experiment auxiliary device |
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Application publication date: 20170222 |