CN206725559U - A kind of self-balancing body frost heaving tests bucket - Google Patents
A kind of self-balancing body frost heaving tests bucket Download PDFInfo
- Publication number
- CN206725559U CN206725559U CN201720488732.9U CN201720488732U CN206725559U CN 206725559 U CN206725559 U CN 206725559U CN 201720488732 U CN201720488732 U CN 201720488732U CN 206725559 U CN206725559 U CN 206725559U
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- China
- Prior art keywords
- staving
- bucket
- self
- hold
- frost heaving
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Abstract
The utility model discloses a kind of self-balancing body frost heaving to test bucket.Include staving, cylindrical anchor dynamometer passage is installed at staving center, set on staving top and barrel body wall close contact and the lucite top plate that can slide up and down, top plate stays apertured hole with staving bottom plate center, anchor dynamometer is connected by wire with Acquisition Instrument, stayed along in bucket wall short transverse and set five thermometer holes, on the bucket wall close to staving bottom and higher than hold-down support upper edge, five water supplement ports are equipped with along circumferential direction, the water pipe terminal being connected with water supplement port is connected with the hydraulic pressure groove of a constant volume, liquid turbine flowmeter is respectively mounted on each water pipe, five exhaust outlets are set on staving bottom plate, staving bottom is nested with hold-down support.Experimental rig of the present utility model is simple in construction, it is not necessary to single pressue device, it is easy to operate, and it is applied widely.
Description
Technical field
It the utility model is related to a kind of frost heave test device, more particularly to a kind of self-balancing that frost heave test is carried out for soil
Body frost heaving tests bucket.
Background technology
Frozen soil is that a kind of temperature is less than 0 DEG C and the Tu Yan containing ice.It is different according to the frozen state duration, can be jelly
Soil is divided into three classes, i.e., instantaneous frozen soil, frost zone and ever-frozen ground.Seasonal frozen ground is widely distributed in different continents with
Most of territory of state, China's frost zone account for the 53.5% of area.Existing a large amount of engineering practices both at home and abroad and grind
Study carefully result to show, frost heave action is the major reason that the various engineerings in Frozen Area produce freeze injury, particularly to railway, highway etc.
Linear engineering, the frost heave of frost zone cause the destruction of engineering can be more violent.On the one hand the engineerings such as railway, highway are reduced
Use quality, reduce its service life.On the other hand, subgrade deformation caused by frost heave will have a strong impact on the safety of railway, highway
Operation, brings huge economic loss, and society is exerted an adverse impact.
Utility model content
The purpose of this utility model is to provide a kind of self-balancing body frost heaving experiment bucket and its test method, utilizes the device
Carry out the frost heaving characteristic experiment of the soil body, it is not necessary to single pressue device, it is easy to operate, it is applied widely.
The purpose of this utility model is realized by the following technical solutions：
A kind of self-balancing body frost heaving tests bucket, includes staving, cylindrical anchor dynamometer is provided with staving center
Passage, set on staving top and barrel body wall close contact and the lucite top plate that can slide up and down, top plate and staving bottom plate
Apertured hole is stayed at center, and for interting and anchoring anchor dynamometer, anchor dynamometer is connected by wire with Acquisition Instrument, along bucket wall
Stayed in short transverse and set five thermometer holes, for connecting the thermocouple temperature sensor being embedded in the soil body, electric thermo-couple temperature passes
Sensor is connected by wire with Acquisition Instrument；On the bucket wall close to staving bottom and higher than hold-down support upper edge, along girth
Direction is equipped with five water supplement ports, and the water pipe terminal being connected with water supplement port is connected with the hydraulic pressure groove of a constant volume,
Liquid turbine flowmeter is respectively mounted on each water pipe, five exhaust outlets, staving bottom and fixation are set on staving bottom plate
Bearing is nested.
The staving is lucite material, and bucket wall sets five thermocouple thermometer holes, for laying electroheat pair TEMP
Device.
Described cylindrical anchor dynamometer passage is made by lucite material, contour with staving.
Described top plate and bottom plate are made by pmma material, and top plate and bottom plate center stay apertured hole to be used to anchor
Anchor dynamometer.
Close to staving bottom and higher than on the bucket wall at base top edge height, five are evenly provided with along staving girth
Water supplement port.Each water supplement port is connected by water pipe with hydraulic pressure groove, and water pipe is made up of quality of rubber materials, connection liquid whirlpool
Flowmeters.
Hole is reserved on described hold-down support；Hold-down support is provided with four bolts hole, to connect four fixations
Screw rod supports as fixed.
The test method of described frost heave test bucket, including tests below step：
（1）The thin filter paper of circle is placed in staving bottom, soil sample is loaded in experiment bucket from top, it is freely slid
To bottom；
（2）Anchor cable is passed through from staving center, anchored in bottom and top, anchor dynamometer is arranged on anchor base, anchor
Rope is passed through from experiment bucket centre bore, and dynamometer is placed between anchor base and work anchor, and makes the axis of anchor dynamometer with treating
Measuring rope diameter parallel；
（3）Stay apertured to insert thermocouple temperature sensor along bucket wall, the water pipe connected on bucket wall, supply water and exclude bottom
Bubble in plate, adjust water supply installation；
（4）Water content of soil is recorded according to liquid turbine flowmeter, and frost-heave force and temperature number are recorded by computer terminal
According to.
Described step（2）It should be cleaned out between anchor dynamometer top and bottom and pressure-bearing surface during installation, anchor dynamometer
It should place steady.
The beneficial effects of the utility model：Efficiently solve the frost-heave force test problem of seasonal freezing soil.It is convenient
Real-time measurement to soil body frost-heave force under outdoor natural temperature, there is good promotional value.The utility model
Experimental rig it is simple in construction, it is not necessary to single pressue device, it is easy to operate, it is applied widely.
Brief description of the drawings
Fig. 1 is the front view that a kind of self-balancing body frost heaving of the utility model tests bucket：
Fig. 2 is the front view of staving；
Fig. 3 is the front view of hold-down support：
Fig. 4 is the upward view of hold-down support.
Wherein：1 staving, 2 top plates, 3 bottom plates, 4 anchor dynamometer passages, 5 anchor dynamometers, 6 thermocouple thermometer holes, 7
Support, 9 water supplement ports, 10 exhaust outlets, 11 water pipes, 12 liquid turbine flowmeters are fixed in hold-down support, 8.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, 2, a kind of self-balancing body frost heaving experiment bucket.Include the staving 1 of organic glass material high-strength light
With hold-down support 7.The top of staving 1 is provided with and the close contact of bucket wall and the lucite top plate 2 that can slide up and down.Top plate 2 and bucket
Stay apertured hole, the centering setting anchor dynamometer passage 4 equal with hole diameter, for interting and anchoring in the center of body bottom plate 3
Anchor dynamometer 5.Five thermocouple thermometer holes 6 are set being stayed on the right side of bucket wall on different height, for the thermocouple being embedded in the soil body
Temperature sensor is connected by wire with acquisition Instrumen.Five water supplement ports 9 are uniformly provided with the bucket wall close to staving bottom,
Water supplement port 9 is connected with water pipe 11, and liquid turbine flowmeter 12 is provided with water pipe 11.Exhaust is left on staving bottom plate
Mouth 10, staving bottom is nested in hold-down support 7.Hold-down support 7 is reserved with some perforations, so as to when staving is with bearing build-in
Exhaust outlet passes through.Four bolts hole are additionally provided with hold-down support, four fixed supports 8 are connected, to stablize the experiment bucket.
Staving and the anchor dynamometer passage is lucite material, and the external diameter of staving is 800mm, is highly
2000mm, bucket wall thickness 30mm.The anchor dynamometer passage set at staving center, external diameter 100mm, highly with staving highly
It is equal, wall thickness 30mm.
In the side wall of the lucite staving, one thermocouple is set every 400mm from the range of bottom up 1600mm
Thermometer hole, pass through for thermocouple temperature sensor wire, and be connected with acquisition Instrumen.
In the top plate of staving apertured hole, hole diameter and anchor dynamometer passage centering, and diameter are stayed with bottom plate center
It is identical, so that anchor dynamometer passes through and anchors.
Close to staving bottom and higher than on the bucket wall at base top edge height, along staving girth, 5 are uniformly provided with directly
Footpath 50mm water supplement port, each water supplement port are connected by water pipe with hydraulic pressure groove.Liquid turbine is connected on water pipe
Flowmeter, to control the inflow of staving.
The steam vent for setting 5 a diameter of 10mm is circumferentially equably stayed on the staving bottom plate.
As shown in Figure 3,4, the hold-down support is made of common iron, and its internal diameter is identical with staving external diameter, side thickness
Spend for 10mm, be highly 200mm.Hole is left at hold-down support bottom centre, so that anchor cable dynamometry end anchor head passes through.It is fixed
Bearing 7 is reserved with some perforations, to pass through when entire body and exhaust outlet during bearing build-in.Four spiral shells are additionally provided with hold-down support
Keyhole, to connect four fixed supports.
The fixed support is standing screw, and the diameter of standing screw and bearing is 50mm.Standing screw has enough
Intensity ensure not produce relative displacement between hold-down support and experiment staving, bearing can support whole experiment bucket and soil sample
Gross weight, and cause staving leave ground certain altitude.
The frost heave test bucket is applied to sand frost heave test, and specific experiment process includes：
（1）The thin filter paper of circle is placed in staving bottom, soil sample is loaded in experiment bucket from top, it is freely slid
To bottom.
（2）Anchor cable is passed through from staving center, anchored in bottom and top, anchor dynamometer is arranged on anchor base, anchor
Rope is passed through from experiment bucket centre bore, and dynamometer is placed between anchor base and work anchor, and makes the axis of anchor dynamometer with treating
Measuring rope diameter parallel.It should be cleaned out between anchor dynamometer top and bottom and pressure-bearing surface during installation, it is impossible to there is sand grains, otherwise can shadow
Ring measured value.Anchor dynamometer should be placed steadily, such as find that geometric eccentricity is excessive, should be adjusted in time.
（3）Apertured is stayed to insert thermocouple temperature sensor along bucket wall.The water pipe connected on bucket wall, supply water and exclude bottom
Bubble in plate, adjust water supply installation.
（4）Water content of soil is recorded according to liquid turbine flowmeter, and frost-heave force and temperature number are recorded by computer terminal
According to.
Embodiment described in the utility model does not form the limitation to the application scope, every new in this practicality
Within the spirit and principle of type design, all any modification, equivalent and improvement that one of skill in the art can make etc. are equal
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of self-balancing body frost heaving tests bucket, it is characterized in that：Include staving, cylindrical anchor cable is installed at staving center
Dynamometer passage, set on staving top and barrel body wall close contact and can slide up and down lucite top plate, top plate and bucket
Apertured hole is stayed at body bottom plate center, and for interting and anchoring anchor dynamometer, anchor dynamometer is connected by wire with Acquisition Instrument,
Stayed along in bucket wall short transverse and set five thermometer holes, for connecting the thermocouple temperature sensor being embedded in the soil body, thermocouple
Temperature sensor is connected by wire with Acquisition Instrument；On the bucket wall close to staving bottom and higher than hold-down support upper edge,
Five water supplement ports are equipped with along circumferential direction, the water pipe terminal being connected with water supplement port is connected with the hydraulic pressure groove of a constant volume
Connect, liquid turbine flowmeter be respectively mounted on each water pipe, on staving bottom plate set five exhaust outlets, staving bottom with
Hold-down support is nested.
A kind of 2. self-balancing body frost heaving experiment bucket according to claim 1, it is characterized in that the staving is lucite
Material, bucket wall sets five thermocouple thermometer holes, for laying electroheat pair temperature sensor.
A kind of 3. self-balancing body frost heaving experiment bucket according to claim 1, it is characterized in that described cylindrical anchor cable is surveyed
Power meter passage is made by lucite material, contour with staving.
A kind of 4. self-balancing body frost heaving experiment bucket according to claim 1, it is characterized in that described top plate and bottom plate is equal
It is to be made by pmma material, top plate and bottom plate center stay apertured hole to be used to anchor anchor dynamometer.
A kind of 5. self-balancing body frost heaving experiment bucket according to claim 1, it is characterized in that close to staving bottom and height
In on the bucket wall that base top edge is highly located, five water supplement ports are evenly provided with along staving girth, each water supplement port passes through moisturizing
Pipeline is connected with hydraulic pressure groove, and water pipe is made up of quality of rubber materials, connects liquid turbine flowmeter.
A kind of 6. self-balancing body frost heaving experiment bucket according to claim 1, it is characterized in that pre- on described hold-down support
Leave hole；Hold-down support is provided with four bolts hole, is supported to connect four standing screws as fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488732.9U CN206725559U (en) | 2017-05-04 | 2017-05-04 | A kind of self-balancing body frost heaving tests bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720488732.9U CN206725559U (en) | 2017-05-04 | 2017-05-04 | A kind of self-balancing body frost heaving tests bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725559U true CN206725559U (en) | 2017-12-08 |
Family
ID=60508700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720488732.9U Expired - Fee Related CN206725559U (en) | 2017-05-04 | 2017-05-04 | A kind of self-balancing body frost heaving tests bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153111A (en) * | 2017-05-04 | 2017-09-12 | 沈阳建筑大学 | A kind of self-balancing body frost heaving experiment bucket and its test method |
-
2017
- 2017-05-04 CN CN201720488732.9U patent/CN206725559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153111A (en) * | 2017-05-04 | 2017-09-12 | 沈阳建筑大学 | A kind of self-balancing body frost heaving experiment bucket and its test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20210504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |