CN205484332U - Measuring device of frozen swelling thaw collapse of loess appearance volume - Google Patents
Measuring device of frozen swelling thaw collapse of loess appearance volume Download PDFInfo
- Publication number
- CN205484332U CN205484332U CN201620261576.8U CN201620261576U CN205484332U CN 205484332 U CN205484332 U CN 205484332U CN 201620261576 U CN201620261576 U CN 201620261576U CN 205484332 U CN205484332 U CN 205484332U
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- China
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- base
- measuring equipment
- settlement amount
- endless knife
- open tubular
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The embodiment of the utility model discloses the soil sample is frozen swelling melts the measuring device of the volume of sinking, relates to that the soil sample is prepared and deformation test instrument field. This measuring device includes the base, the hollow post of fixedly connected with on the base, and hollow post inside is equipped with annular sword, and hollow capital portion connects the top cap, and the apical ring is cup jointed to the top cap periphery, still is fixed with a plurality of stands between apical ring and the base, and the stand centers on the periphery evenly distributed of hollow post, still be equipped with the vertically pillar on the base, the one end of the competent holder of swing joint on the pillar, the gauge rod swing joint of horizontal holder and percentage table, the top of top cap is arranged in to the percentage table. The utility model provides a frozen swelling device simple structure who melts the volume of sinking that measurations, convenient operation, measurement accuracy is high, satisfy the soil sample frozen swelling with melt the heavy requirement of measurationing.
Description
Technical field
This utility model relates to soil sample and produces and deformation test instrument field, more particularly relates to a kind of loess sample
The measuring equipment of frozen swell and melt settlement amount.
Background technology
For a long time, frost heave and thaw collapse are the one of the main reasons of northwest cold regions engineering freeze injury problem.Freeze thawing follows
Ring destroys the connection between soil particle, makes soil particle rearrange, and causes Frozen Area loess subgrade operation
There is substantial amounts of differential settlement, the disease such as subside after several years, have a strong impact on the safe operation of job facilities.
Therefore, to the understanding of soil body cubic deformation rule under freeze-thaw cycle effect and freeze-thaw cycle effect it
The research of this soil sample mechanical property rear is the most necessary.At present both at home and abroad the most ripe being used for measures soil
The assay device of the swell-shrinking deformation rule of body.
Utility model content
This utility model provides the measuring equipment of a kind of loess sample frozen swell and melt settlement amount, carries out three axle undisturbed soil samples
Produce and soil body accurate measurement of frozen swell and melt settlement amount under freeze-thaw cycle effect.
This utility model provides the measuring equipment of a kind of loess sample frozen swell and melt settlement amount, including:
Base, base is fixedly connected with open tubular column, is provided with endless knife inside open tubular column, and open tubular column top is even
Connecing top cover, top cover periphery socket apical ring, be further fixed on multiple column between apical ring and base, column is around sky
The periphery of stem is uniformly distributed；
The most vertically it is provided with pillar on base, pillar is connected with horizontal clamper, horizontal clamper and hundred
The gauge rod dividing table is flexibly connected, and dial gauge is placed in the top of top cover.
Preferably, endless knife is fastened by two dismountable hollow semi-circular cuttves and forms, endless knife excircle head
Portion's diameter is more than tail diameter, and endless knife inner periphery head diameter is identical with tail diameter.
Preferably, base bottom is fixed with Rubber shock-absorbing pad.
Preferably, be provided with permeable stone and thin film between bottom and the base of endless knife and thin film be placed in permeable stone it
On；It is provided with permeable stone and thin film between top and the top cover of endless knife and permeable stone is placed on thin film.
Preferably, endless knife excircle is provided with scale.
Preferably, sealant is used to seal between top cover and apical ring.
Preferably, column is 4.
Preferably, open tubular column is adiabatic open tubular column.
In this utility model, simple for measuring the apparatus structure of frozen swell and melt settlement amount, easy to operate, measure essence
Degree height, meets soil sample and freezes the requirement with thaw collapse, and temperature is accurately controlled, it is possible to directly observe each time
The frozen swell and melt settlement amount of the soil body after section or freeze-thaw cycle, to soil sample without damaging after experience freeze-thaw cycle, it is possible to
The measurement of the most various soil samples frozen swell and melt settlement amount under freeze-thaw cycle effect, endless knife is for three axle undisturbed soils
The extraction of sample is convenient and swift, and ensure that the integrity of soil sample.
Accompanying drawing explanation
The measuring equipment front elevational schematic of a kind of loess sample frozen swell and melt settlement amount that Fig. 1 provides for this utility model；
The measuring equipment schematic top plan view of a kind of loess sample frozen swell and melt settlement amount that Fig. 2 provides for this utility model；
Fig. 3 regards for the measuring equipment endless knife master of a kind of loess sample frozen swell and melt settlement amount that this utility model provides
Figure；
The measuring equipment endless knife of a kind of loess sample frozen swell and melt settlement amount that Fig. 4 provides for this utility model is overlooked
Figure.
Description of reference numerals:
1-dial gauge, the horizontal clamper of 2-, 4-top cover, 5-apical ring, 6-soil sample, 7-endless knife, 8-open tubular column,
9-column, 10-permeable stone, 11-base, 12-Rubber shock-absorbing pad, 13-pillar.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a detailed description of the invention of the present utility model is described in detail, but it should
Understand that protection domain of the present utility model is not limited by detailed description of the invention.
As depicted in figs. 1 and 2, exemplary show that a kind of loess sample frost heave that this utility model provides is melted
The main schematic diagram of measuring equipment of heavy amount, this measuring equipment specifically includes that base 11, the company of fixing on base 11
Being connected to open tubular column 8, open tubular column 8 is internal is provided with endless knife 7, and open tubular column 8 top connects top cover 4, top cover 4
Periphery socket apical ring 5, be further fixed between apical ring 5 and base 11 9,4 columns 9 of 4 columns around
The periphery of open tubular column 8 is uniformly distributed；
The most vertically it is provided with pillar 13 on base 11, pillar 13 is connected with horizontal clamper 2, level
Clamper 2 is parallel two supporting rod composition, and supporting rod two ends use trip bolt to connect respectively, level
Clamper one end uses trip bolt to be connected with pillar 13, and the other end passes through fastening with the gauge rod of dial gauge 1
Screw connects, and the gauge rod of dial gauge 1 can move up and down between supporting rod, will clamping after height adjustment is good
The trip bolt of the bar other end screws the gauge rod to dial gauge 1 and fastens, and dial gauge 1 is placed in top cover 4
Top.
Wherein, as shown in Figure 3 and Figure 4, endless knife 7 is by two dismountable hollow semi-circular cuttves fastenings
Becoming, the excircle head diameter of endless knife 7 is more than tail diameter, inner periphery head diameter and tail diameter phase
With, the afterbody of endless knife 7 is sharp blade-like, can conveniently insert in soil, and excircle also can have mark
Chi, the convenient three axle undisturbed soil samples taking out various thickness；It is provided with permeable stone between endless knife 7 and base 11
It is placed on permeable stone with thin film and thin film；Permeable stone and thin film and thoroughly it is provided with between endless knife 7 and top cover 4
Water stone is placed on thin film；Rubber shock-absorbing pad 12 it is fixed with, it is possible to ensure the accurate of measurement bottom base 11
Property, open tubular column 8 is adiabatic open tubular column, it is ensured that when measuring, data are accurate.
During measurement, bottom base 11, fix Rubber shock-absorbing pad 12, install pillar on the pedestal 11
13 and equally distributed 4 columns 9, and fix apical ring 5 at the top of 4 columns 9；
Open tubular column 8 is placed on the base 11 between 4 columns 9, places in the bottom of open tubular column 8
Permeable stone 10, permeable stone 10 is placed plastic sheeting；
The knife edge part utilizing endless knife 7 afterbody inserts in the soil body, takes out the three axle undisturbed soil samples requiring height
6, soil sample 6 periphery is polished smooth；
Endless knife 7 with soil sample 6 is vertically put in open tubular column 8, endless knife 7 is placed on plastic sheeting
Above；
Cover plastic sheeting at endless knife 7 head with soil sample 6, place permeable stone on a plastic film,
Permeable stone is filled the height placed and is flushed with the top of open tubular column 8；
Top cover 4, will use vaseline to seal between top cover 4 and apical ring 5, the internal soil body of anti-locking apparatus
The moisture effusion of 6, by the gauge rod of mobile dial gauge 1, the height of regulation dial gauge 1, makes dial gauge 1
Gauge rod contact well with top cover 4, and the reading regulating dial gauge 1 is zero.
Freeze soil sample: whole mounted device is placed on temperature control refrigerator DW-FL362 freezing refrigerator
In, regulating temperature required, carry out freezing test, the reading observing dial gauge 1 measures frost heaving amount；
Melt soil sample: whole mounted device is placed on temperature control refrigerator DW-FL362 freezing refrigerator
In, regulating temperature required, carry out melting test, the reading observing dial gauge 1 measures thaw collapse amount；
Repeatedly regulate the temperature of temperature control refrigerator, carry out freeze-thaw cycle, frost heave, the thaw collapse amount amount of carrying out to soil sample
Survey.
Only several specific embodiments of the present utility model disclosed above, but, this utility model embodiment
Being not limited to this, the changes that any person skilled in the art can think of all should fall into guarantor of the present utility model
Protect scope.
Claims (8)
1. the measuring equipment of a loess sample frozen swell and melt settlement amount, it is characterised in that including:
Base (11), described base (11) is fixedly connected with open tubular column (8), described open tubular column (8)
Inside is provided with endless knife (7), and described open tubular column (8) top connects top cover (4), and described top cover (4) is outward
In week socket apical ring (5), between described apical ring (5) and base (11), it is further fixed on multiple column (9),
Described column (9) is uniformly distributed around the periphery of described open tubular column (8)；
The most vertically being provided with pillar (13) on described base (11), described pillar is flexibly connected water on (13)
Flat clamper (2), described horizontal clamper (2) is flexibly connected with the gauge rod of dial gauge (1), and described hundred
Table (1) is divided to be placed in the top of top cover (4).
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, described endless knife (7) is fastened by two dismountable hollow semi-circular cuttves and forms, described endless knife (7)
Excircle head diameter is more than tail diameter, and endless knife (7) inner periphery head diameter is identical with tail diameter.
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, described base (11) bottom is fixed with Rubber shock-absorbing pad (12).
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, it is provided with permeable stone and thin film between described endless knife (7) and base (11) and thin film is placed in permeable stone
On；It is provided with permeable stone and thin film between described endless knife (7) and top cover (4) and permeable stone is placed in thin film
On.
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 4, its feature exists
In, described endless knife (7) excircle is provided with scale.
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, use sealant to seal between described top cover (4) and apical ring (5).
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, described column (9) is 4.
The measuring equipment of a kind of loess sample frozen swell and melt settlement amount the most according to claim 1, its feature exists
In, described open tubular column (8) is adiabatic open tubular column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261576.8U CN205484332U (en) | 2016-03-26 | 2016-03-26 | Measuring device of frozen swelling thaw collapse of loess appearance volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620261576.8U CN205484332U (en) | 2016-03-26 | 2016-03-26 | Measuring device of frozen swelling thaw collapse of loess appearance volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484332U true CN205484332U (en) | 2016-08-17 |
Family
ID=56645879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620261576.8U Expired - Fee Related CN205484332U (en) | 2016-03-26 | 2016-03-26 | Measuring device of frozen swelling thaw collapse of loess appearance volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484332U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675844A (en) * | 2016-03-26 | 2016-06-15 | 西北大学 | Measurement device and method for frozen swell and melt settlement amount of loess sample |
| CN109884112A (en) * | 2019-03-28 | 2019-06-14 | 哈尔滨工业大学 | A kind of native frost heave detection device and its detection method of no external power supply |
| CN109884268A (en) * | 2019-01-16 | 2019-06-14 | 东北农业大学 | The non-disturbance seasonal frozen ground freeze thawing depth monitor of one kind and method |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
-
2016
- 2016-03-26 CN CN201620261576.8U patent/CN205484332U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675844A (en) * | 2016-03-26 | 2016-06-15 | 西北大学 | Measurement device and method for frozen swell and melt settlement amount of loess sample |
| CN109884268A (en) * | 2019-01-16 | 2019-06-14 | 东北农业大学 | The non-disturbance seasonal frozen ground freeze thawing depth monitor of one kind and method |
| CN109884268B (en) * | 2019-01-16 | 2021-09-21 | 东北农业大学 | Non-disturbance device and method for monitoring freezing and thawing depth of frozen soil in seasons |
| CN109884112A (en) * | 2019-03-28 | 2019-06-14 | 哈尔滨工业大学 | A kind of native frost heave detection device and its detection method of no external power supply |
| CN109884112B (en) * | 2019-03-28 | 2021-07-23 | 哈尔滨工业大学 | Detection method realized by soil frost heaving detection device without external power supply |
| CN111965060A (en) * | 2020-08-03 | 2020-11-20 | 河海大学 | Press-in type on-site modulus of resilience measuring device |
| CN111965060B (en) * | 2020-08-03 | 2023-06-09 | 河海大学 | Press-in type on-site rebound modulus measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |