CN207650204U - A kind of test device of the expansive force and dilatancy of the lower expansive rock of drying and watering cycle effect - Google Patents
A kind of test device of the expansive force and dilatancy of the lower expansive rock of drying and watering cycle effect Download PDFInfo
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- CN207650204U CN207650204U CN201721577394.2U CN201721577394U CN207650204U CN 207650204 U CN207650204 U CN 207650204U CN 201721577394 U CN201721577394 U CN 201721577394U CN 207650204 U CN207650204 U CN 207650204U
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- rock
- expansive
- force
- dry saturation
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses the test devices that a kind of drying and watering cycle acts on the expansive force and dilatancy of lower expansive rock, including dry saturation room, reaction frame, warm-air drier and computer；Dry saturation room is arranged on the bottom plate of reaction frame, and dry saturation room is equipped with water inlet, water outlet, air inlet and air outlet, and air inlet is connect with warm-air drier；The rock sample setting is indoor in dry saturation, and rock sample is circumferentially with the strain transducer of annular；The top of rock sample is equipped with force-transmitting pole, and the upper end of force-transmitting pole passes through the cover board of dry saturation room and the lower end of jack to connect, pressure sensor is equipped between force-transmitting pole upper end and jack lower end；Strain transducer and pressure sensor are connect with computer respectively.The utility model is simple in structure, easy to operate, and the utility model can carry out drying and watering cycle effect to rock sample, tests its expansive force and dilatancy under drying and watering cycle effect, has directive significance to Dam Construction, soft rock roadway support and slope project.
Description
Technical field
The utility model belongs to rock test engineering device technique field, is specifically related to a kind of lower expansive rock of drying and watering cycle effect
Expansive force and dilatancy test device.
Background technology
The dilatancy of expansive rock to China the huge puzzlement of engineering construction band, especially in Dam Construction, Soft Rock Roadway
The fields such as road supporting and slope project.Research is pointed out, the dilatancy of expansive rock is caused to be influenced by On-the-spot factor, it is so-called scene because
Element is exactly Changes in weather, expose to the sun and rain, drying and watering cycle, temperature cycles, the oxidation of air etc..The wherein effect of rainwater,
Drying and watering cycle acts on, again especially pronounced on its expansile influence.And it is special to the expansion of its expansive rock to lack test instrument now
Property is studied.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of simple in structure, and easy to operate, data acquisition is very
The test device of the expansive force and dilatancy of the lower expansive rock of real drying and watering cycle effect complete, that disturbance is smaller.
The technical solution adopted in the utility model is：A kind of expansive force and dilatancy of the lower expansive rock of drying and watering cycle effect
Test device, including dry saturation room, reaction frame, warm-air drier and computer；The bottom plate in reaction frame is arranged in dry saturation room
On, dry saturation room is equipped with water inlet, water outlet, air inlet and air outlet, and air inlet is connect with warm-air drier；The rock
Sample setting is indoor in dry saturation, and rock sample is circumferentially with the strain transducer of annular；The top of rock sample, which is equipped with, to be passed
Power column corresponds to rock sample on reaction frame top plate and is equipped with jack, the upper end of force-transmitting pole pass through the cover board of dry saturation room with
The lower end of jack connects, and pressure sensor is equipped between force-transmitting pole upper end and jack lower end；Strain transducer and pressure pass
Sensor is connect with computer respectively.
Under above-mentioned wet ringing in the expansive force of expansive rock and the test device of dilatancy, the dry saturation
Interior is equipped with temperature sensor, and temperature sensor is connect with computer.
Under above-mentioned wet ringing in the expansive force of expansive rock and the test device of dilatancy, the dry saturation
Indoor bottom plate is equipped with pedestal, and rock sample is placed on pedestal.
Under above-mentioned wet ringing in the expansive force of expansive rock and the test device of dilatancy, the pressure sensing
It is equipped with amesdial between device and the cover board of dry saturation room, amesdial is connect with computer.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is simple in structure, easy to operate, and the utility model is equipped with dry saturation room, can be saturated room to dry
Water filling makes rock sample be saturated, and is in hygrometric state；It is indoor logical to dry saturation after the dry indoor water of saturation can also being allowed to dry
Wind so that rock sample is in dry state, and drying and watering cycle effect is carried out to rock sample, and it is swollen under drying and watering cycle effect to test it
Expansive force and dilatancy have directive significance to Dam Construction, soft rock roadway support and slope project.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model includes dry saturation room 2, reaction frame 1, warm-air drier 3 and computer 4；Dry saturation
Room 2 is arranged on the bottom plate of reaction frame 1, and dry saturation room 2 is equipped with water inlet, water outlet 23, air inlet 21 and air outlet 22,
Air inlet 21 is connect with warm-air drier 3, for conveying wind into dry saturation room 2.
Dry saturation 2 inner bottom plating of room is equipped with pedestal 25, and the rock sample 5 is arranged on pedestal 25.Rock sample 5
It is circumferentially with the strain transducer 6 of annular, strain transducer 6 is used to detect circumferential direction when rock sample is acted on by drying and watering cycle
Deformation.The top of rock sample 5 is equipped with force-transmitting pole 7, and rock sample 5 is corresponded on the bottom surface of the top plate of reaction frame 1 equipped with very heavy
The upper end on top 9, force-transmitting pole 7 passes through the cover board 24 of dry saturation room 2 to be connect with the lower end of jack 9, the upper end of force-transmitting pole 7 and thousand
Pressure sensor 8 is equipped between the lower end on jin top 9, pressure sensor 8 can detect rock sample 5 and act on lower axle in drying and watering cycle
To expansive force size.It is equipped with amesdial 81, amesdial between the pressure sensor 8 and the cover board of dry saturation room 2
81 can detect the size of the axial dilatancy under drying and watering cycle effect of rock sample 5.In dry saturation 2 inner cover plate 24 of room
Equipped with temperature sensor 26, strain transducer 6, amesdial 81, temperature sensor 26 and pressure sensor 8 respectively with computer 4
Connection.
When the utility model is used：(1) rock sample 5 for the expansive rock made fully is saturated, has installed annular
Strain transducer 6, be placed on the pedestal 25 of dry saturation room 2, and cover cover board 24；(2) force-transmitting pole 7, pressure are installed successively
Force snesor 8 and jack 9；(3) amesdial 81 and temperature sensor 26 are installed, amesdial 81, temperature sensing are connected,
26, the data acquisition line of strain transducer 6 opens computer 4, carries out pilot production sample；(4) warm-air drier 3 is opened, air inlet is opened simultaneously
The valve of mouth 21 and exhaust outlet 22, the temperature sensor 26 for the saturation room 2 that sees drying, the size by adjusting air inlet valve will
Temperature in dry saturation room 2 is controlled in a certain range；(5) start jack 9, loading load adds to 0.1KN, when stablizing one section
Between, and carry out data pilot production sample；(7) it is required, is further applied load according to experimental design, and control the dry and wet state of rock sample 5, surveyed
Expansive force and dilatancy of the amount rock sample 5 in different stress levels and dry and wet state；（8）It is wanted according to experimental design
It asks, the above experiment process is repeated several times.
Claims (4)
1. a kind of test device of the expansive force and dilatancy of the lower expansive rock of drying and watering cycle effect, it is characterized in that：Including drying
It is saturated room, reaction frame, warm-air drier and computer；Dry saturation room is arranged on the bottom plate of reaction frame, and dry saturation room is equipped with
Water inlet, water outlet, air inlet and air outlet, air inlet are connect with warm-air drier；Rock sample setting is indoor in dry saturation, rock
Stone sample is circumferentially with the strain transducer of annular；The top of rock sample is equipped with force-transmitting pole, corresponds to rock on reaction frame top plate
Stone sample is equipped with jack, and the upper end of force-transmitting pole passes through the cover board of dry saturation room and the lower end of jack to connect, on force-transmitting pole
Pressure sensor is equipped between end and jack lower end；Strain transducer and pressure sensor are connect with computer respectively.
2. the expansive force of expansive rock and the test device of dilatancy under wet ringing according to claim 1, special
Sign is：The dry saturation is indoor to be equipped with temperature sensor, and temperature sensor is connect with computer.
3. the expansive force of expansive rock and the test device of dilatancy under wet ringing according to claim 1, special
Sign is：The indoor bottom plate of dry saturation is equipped with pedestal, and rock sample is placed on pedestal.
4. the expansive force of expansive rock and the test device of dilatancy under wet ringing according to claim 1, special
Sign is：It is equipped with amesdial between the pressure sensor and the cover board of dry saturation room, amesdial is connect with computer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664445 | 2017-06-09 | ||
| CN2017206644459 | 2017-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650204U true CN207650204U (en) | 2018-07-24 |
Family
ID=62890416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721577394.2U Expired - Fee Related CN207650204U (en) | 2017-06-09 | 2017-11-23 | A kind of test device of the expansive force and dilatancy of the lower expansive rock of drying and watering cycle effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459174A (en) * | 2018-12-24 | 2019-03-12 | 石家庄铁道大学 | Static breaking agent expands force test device and test method |
-
2017
- 2017-11-23 CN CN201721577394.2U patent/CN207650204U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459174A (en) * | 2018-12-24 | 2019-03-12 | 石家庄铁道大学 | Static breaking agent expands force test device and test method |
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| 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: 20180724 Termination date: 20201123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |