CN209513501U - A kind of test device of geosynthetics long-term mechanical property - Google Patents
A kind of test device of geosynthetics long-term mechanical property Download PDFInfo
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- CN209513501U CN209513501U CN201822187210.2U CN201822187210U CN209513501U CN 209513501 U CN209513501 U CN 209513501U CN 201822187210 U CN201822187210 U CN 201822187210U CN 209513501 U CN209513501 U CN 209513501U
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Abstract
The utility model provides a kind of test device of geosynthetics long-term mechanical property, its main feature is that: including test-bed, temperature control chamber, temperature circulatory system, distribution box and test control system, temperature control chamber is arranged on test-bed, upper beam and lower beam is respectively set in temperature control chamber inner top and bottom, upper fixture is arranged in the upper beam, and lower fixture is arranged below upper fixture.Through-hole and bottom surface through-hole is respectively set among lower beam and temperature control chamber bottom surface, and the bottom of lower fixture connects the bottom surface that a counterweight load bar stretches out temperature control chamber straight down, connects counterweight pedestal in the lower end of counterweight load bar.Temperature circulatory system is connected to temperature control chamber, and circulation is passed through cold air and hot-air, and distribution box is that temperature circulatory system and test control system are powered.The external condition of high/low temperature circulation can be effectively simulated, and a certain range of load can be applied and carry out material performance test.
Description
Technical field
The utility model belongs to geosynthetics detection technique field, specifically a kind of long-term power of geosynthetics
Learn the test device of performance.
Background technique
Geosynthetics is in engineering use process, and the influence of ambient temperature and its variation to material property is very
Obviously, to influence the service life of material.In order to ensure material excellent long-term mechanical property and engineering safety, need to comment
Estimate long-term mechanical property of the geosynthetics under stress and high/low temperature circulation, this has very the engineer application of material
Important meaning.It is still at present blank in the test apparatus that geosynthetics field large size high/low temperature is recycled and loaded for a long time,
How the test device of geosynthetics long-term mechanical property a kind of is designed, and temperature cycles are stablized, temperature range
Greatly, high/low temperature circulation can be carried out within a certain period of time, and can be applied a certain range of load and be carried out material performance test.This
It is the current urgent problem to be solved in this field.
Utility model content
The utility model to solve the above problems existing in the prior art, provides a kind of long-term mechanical property of geosynthetics
The test device of energy, can effectively simulate the external condition of high/low temperature circulation, and can apply a certain range of load and carry out
Material performance test.
The purpose of this utility model is achieved through the following technical solutions:
A kind of test device of geosynthetics long-term mechanical property, which is characterized in that tried including test-bed, temperature control
Tryoff, temperature circulatory system, distribution box and test control system, the temperature control chamber are arranged on the test-bed, institute
Temperature control chamber inner top setting upper beam is stated, a upper fixture, each upper folder are at least set on the upper beam bottom
It is correspondingly arranged fixture below tool, lower beam is set on the bottom surface in the temperature control chamber, is set among the lower beam
Through-hole is set, through-hole setting bottom surface through-hole is corresponded on temperature control chamber bottom surface, the bottom of the lower fixture connects a counterweight and adds
Bar is carried, the counterweight load bar passes through the through-hole straight down and bottom surface through-hole stretches out the bottom surface of the temperature control chamber, institute
State the lower end connection counterweight pedestal of counterweight load bar；The temperature circulatory system is connected to the temperature control chamber, and to described
Circulation is passed through cold air and hot-air in temperature control chamber, and the distribution box is that temperature circulatory system and test control system supply
Electricity.
Improvement to above-mentioned technical proposal: the temperature circulatory system includes cabinet, air heating apparatus and refrigerating plant,
The air heating apparatus and refrigerating plant are connect with the test control system, and the counterweight pedestal is equipped with several different marks
The counterweight of quasi- weight.
Above-mentioned technical proposal is further improved: temperature sensor and alarm are set in the temperature control chamber, it is described
Temperature sensor and alarm are connect with the test control system.
Above-mentioned technical proposal is further improved: setting control display screen on the cabinet of the temperature circulatory system, it is described
Emergency stop button is set on control display screen, the control display screen and emergency stop button with the test control system
Connection.
Be further improved to above-mentioned technical proposal: the temperature control chamber is cuboid, and the test-bed is four
Supporting leg, four supporting legs are connect with four angles of temperature control chamber bottom, and the cabinet of the temperature circulatory system is length
Cube shape, the cabinet side of the temperature circulatory system are connect with the side of the temperature control chamber, and the distribution box setting exists
On the bottom of box of the temperature circulatory system.
Above-mentioned technical proposal is further improved: soft cushion is set on the top surface of the lower beam.
The advantages and positive effects of the utility model are as follows:
1, the utility model has the characteristics that temperature cycles are stable, temperature range is big and temperature cycles are accurate, and can apply
A certain range of load carries out the characteristics of material performance test.The extraneous item of high/low temperature circulation can effectively be simulated
Part meets material in the external environment requirement of lower mild higher temperatures circulation, and more objective and accurate measurement test material is by outer
The long-term behaviour of boundary's ambient temperature effect.
2, since general geosynthetics structural unit is larger, the utility model can close for the geotechnique of big structure unit
Test space is provided at material, the feelings of big structure unit geosynthetics long-term behaviour cannot be tested by improving current device
Condition.More set upper fixtures and lower fixture cooperate while using, and can effectively improve the testing efficiency of geosynthetics long-term behaviour.
3, the utility model is arranged soft cushion on the top surface of lower beam, when lower beam can buffer lower fixture and fall
The impact force of generation effectively improves the accuracy of test.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the test device of geosynthetics long-term mechanical property of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing:
Referring to Fig. 1, a kind of test device of geosynthetics long-term mechanical property of the utility model, embodiment, packet
Test-bed, temperature control chamber 4, temperature circulatory system 9, distribution box 11 and test control system are included, the setting of temperature control chamber 4 exists
On test-bed.Upper beam 5 is arranged in above-mentioned 4 inner top of temperature control chamber, and a upper fixture is at least arranged on 5 bottom of upper beam
6, the lower section of each upper fixture 6 is correspondingly arranged fixture 3.Lower beam 2 is set on 4 inner bottom surface of temperature control chamber,
Through-hole is set among lower beam 2, the through-hole setting bottom surface through-hole is corresponded on the bottom surface of temperature control chamber 4.Above-mentioned lower fixture 3
Bottom connect a counterweight load bar, counterweight load bar passes through the through-hole and bottom surface through-hole straight down and stretches out temperature control chamber
4 bottom surface connects counterweight pedestal 13 in the lower end of counterweight load bar.Above-mentioned temperature circulatory system 9 is connected to temperature control chamber 4,
And into temperature control chamber 4, circulation is passed through cold air and hot-air, is temperature circulatory system and testing and control system by distribution box 11
System power supply.
Further, above-mentioned temperature circulatory system 9 includes cabinet, air heating apparatus and refrigerating plant, air heating dress
It sets and refrigerating plant is connect with test control system, refrigerating plant is usually by for compressor, heat exchanger and refrigerant circulation system
The composition such as system.The counterweight 12 of several various criterion weight is equipped with for counterweight pedestal 13.
Still further, temperature sensor and alarm 7 are arranged in above-mentioned temperature control chamber 4, the temperature sensor and
Alarm 7 is connect with the test control system.
Setting controls display screen 8 on the cabinet of above-mentioned temperature circulatory system 9, is arranged on the control display screen 8 and promptly stops
Only button 10, control display screen 8 and emergency stop button 10 is connect with test control system.
Above-mentioned temperature control chamber 4 is cuboid, and the test-bed is four supporting legs 1, four supporting legs 1 and temperature control
Four angles of 4 bottom of chamber connect.The cabinet of temperature circulatory system 9 is cuboid, the cabinet side of temperature circulatory system
It is connect with the side of temperature control chamber 4, distribution box 11 is arranged on the bottom of box of temperature circulatory system 9.
When actual processing makes, because geosynthetics structural unit is larger, it is desirable that test device chamber size is larger,
Size in the temperature control chamber 4 of the utility model is not less than 1m × 0.5m × 0.5m, can close to the geotechnique of larger structure unit
Test space is provided at material.In addition, geosynthetics is when measuring long-term mechanical property index, test period is longer, is
The long-term behaviour for preferably measuring material needs primary acquisition test data as much as possible, this just needs test apparatus to have
Multiple test stand positions, the utility model can be arranged in temperature control chamber 4 by cover upper fixture more and lower fixture cooperatively form it is more
A test stand position can carry out simultaneously long-term behaviour test with multiple groups sample.And it is disconnected in order to avoid working as a sample during testing
To the influence of other samples when splitting, soft cushion is arranged in the utility model on the top surface of lower beam 2, in this way, can be effective
Eliminate influence of the test fracture to other samples.
Reachable -10 DEG C to 80 DEG C of the circulating temperature range of the utility model, the time in high/low temperature cyclic process each time
Period can according to need arbitrarily to be controlled between 0.5h to 10h, and the load that can apply tensile strength of material 5% -70% carries out
Long-term behaviour test.
Upper fixture 6 is connect by pin with the connecting rod on upper beam 5, and geosynthetics sample one end is clipped in upper folder
Tool 6, the other end is clipped on lower fixture 2, and counterweight 12 is added on counterweight pedestal 13, is realized and is applied load to sample, passes through standard
The counterweight 12 of weight adds up to realize application different loads.When test, inputting corresponding high/low temperature circulation by control display screen is needed
The temperature wanted, device is by air heating apparatus (such as heating rod) to carrying out stablizing heating, temperature sensing inside temperature control chamber 4
After reaching highest setting temperature in device detection temperature control chamber 4, it is cold that refrigerating plant operation beginning is controlled by test control system
But, circulation heats and freezes by this method.When temperature is more than the ceiling temperature of setting or is lower than lower limit temperature, testing and control system
System control alarm 7 is alarmed, and if burning issue can directly take emergency stop button 10, can effectively ensure that personnel safety.
Limitations of the present invention, the utility model are also not limited to the example above, the ordinary skill of the art
Personnel, the variations, modifications, additions or substitutions made in the essential scope of the utility model, also should belong to the utility model
Protection scope.
Claims (10)
1. a kind of test device of geosynthetics long-term mechanical property, which is characterized in that tested including test-bed, temperature control
Case, temperature circulatory system, distribution box and test control system, the temperature control chamber is arranged on the test-bed, described
Upper beam is arranged in temperature control chamber inner top, and a upper fixture, each upper fixture is at least arranged on the upper beam bottom
Lower section be correspondingly arranged fixture, lower beam is set on the bottom surface in the temperature control chamber, setting among the lower beam
Through-hole, through-hole setting bottom surface through-hole is corresponded on temperature control chamber bottom surface, and the bottom of the lower fixture connects counterweight load
Bar, the counterweight load bar passes through the through-hole straight down and bottom surface through-hole stretches out the bottom surface of the temperature control chamber, described
The lower end of counterweight load bar connects counterweight pedestal；The temperature circulatory system is connected to the temperature control chamber, and to the temperature
Circulation is passed through cold air and hot-air in control chamber, and the distribution box is that temperature circulatory system and test control system are powered.
2. the test device of geosynthetics long-term mechanical property described in accordance with the claim 1, which is characterized in that the temperature
The degree circulatory system includes cabinet, air heating apparatus and refrigerating plant, the air heating apparatus and refrigerating plant with it is described
Test control system connection, the counterweight pedestal are equipped with the counterweight of several various criterion weight.
3. the test device of geosynthetics long-term mechanical property according to claim 1 or 2, which is characterized in that institute
State and temperature sensor and alarm be set in temperature control chamber, the temperature sensor and alarm with the testing and control system
System connection.
4. the test device of geosynthetics long-term mechanical property according to claim 1 or 2, which is characterized in that institute
Setting control display screen on the cabinet of temperature circulatory system is stated, emergency stop button, the control are set on the control display screen
Display screen and emergency stop button processed are connect with the test control system.
5. the test device of geosynthetics long-term mechanical property described in accordance with the claim 3, which is characterized in that the temperature
Setting control display screen on the cabinet of the circulatory system is spent, emergency stop button is set on the control display screen, the control is aobvious
Display screen and emergency stop button are connect with the test control system.
6. the test device of geosynthetics long-term mechanical property according to claim 1 or 2, which is characterized in that institute
Stating temperature control chamber is cuboid, and the test-bed is four supporting legs, four supporting legs and temperature control chamber bottom
Four angles in portion connect, and the cabinet of the temperature circulatory system is cuboid, the cabinet side of the temperature circulatory system with
The side of the temperature control chamber connects, and the distribution box is arranged on the bottom of box of the temperature circulatory system.
7. the test device of geosynthetics long-term mechanical property described in accordance with the claim 3, which is characterized in that the temperature
Control chamber is cuboid, and the test-bed is four supporting legs, four supporting legs and temperature control chamber bottom
The connection of four angles, the cabinet of the temperature circulatory system are cuboid, the cabinet side of the temperature circulatory system with it is described
The side of temperature control chamber connects, and the distribution box is arranged on the bottom of box of the temperature circulatory system.
8. the test device of geosynthetics long-term mechanical property according to claim 5, which is characterized in that the temperature
Control chamber is cuboid, and the test-bed is four supporting legs, four supporting legs and temperature control chamber bottom
The connection of four angles, the cabinet of the temperature circulatory system are cuboid, the cabinet side of the temperature circulatory system with it is described
The side of temperature control chamber connects, and the distribution box is arranged on the bottom of box of the temperature circulatory system.
9. the test device of geosynthetics long-term mechanical property according to claim 1 or 2, which is characterized in that institute
It states and soft cushion is set on the top surface of lower beam.
10. the test device of geosynthetics long-term mechanical property according to claim 5, which is characterized in that described
Soft cushion is set on the top surface of lower beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822187210.2U CN209513501U (en) | 2018-12-25 | 2018-12-25 | A kind of test device of geosynthetics long-term mechanical property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822187210.2U CN209513501U (en) | 2018-12-25 | 2018-12-25 | A kind of test device of geosynthetics long-term mechanical property |
Publications (1)
| Publication Number | Publication Date |
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| CN209513501U true CN209513501U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822187210.2U Active CN209513501U (en) | 2018-12-25 | 2018-12-25 | A kind of test device of geosynthetics long-term mechanical property |
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| CN (1) | CN209513501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638141A (en) * | 2020-06-15 | 2020-09-08 | 河北工业大学 | Test device for simulating load-temperature coupling effect |
| CN114047079A (en) * | 2021-12-24 | 2022-02-15 | 西北工业大学 | Alloy structural component testing device and method |
| CN114643084A (en) * | 2022-03-25 | 2022-06-21 | 山东交通学院 | Annular shunting accelerated loading environment cabin |
-
2018
- 2018-12-25 CN CN201822187210.2U patent/CN209513501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638141A (en) * | 2020-06-15 | 2020-09-08 | 河北工业大学 | Test device for simulating load-temperature coupling effect |
| CN114047079A (en) * | 2021-12-24 | 2022-02-15 | 西北工业大学 | Alloy structural component testing device and method |
| CN114643084A (en) * | 2022-03-25 | 2022-06-21 | 山东交通学院 | Annular shunting accelerated loading environment cabin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for testing long-term mechanical properties of geosynthetic material Effective date of registration: 20200509 Granted publication date: 20191018 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: BOSTD GEOSYNTHETICS QINGDAO Ltd. Registration number: Y2020990000446 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210421 Granted publication date: 20191018 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: BOSTD GEOSYNTHETICS QINGDAO Ltd. Registration number: Y2020990000446 |