CN106644912A - Automatic and dust-free concrete sand wind deflation tester and test method thereof - Google Patents
Automatic and dust-free concrete sand wind deflation tester and test method thereof Download PDFInfo
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- CN106644912A CN106644912A CN201710019981.8A CN201710019981A CN106644912A CN 106644912 A CN106644912 A CN 106644912A CN 201710019981 A CN201710019981 A CN 201710019981A CN 106644912 A CN106644912 A CN 106644912A
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- deflation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention discloses an automatic and dust-free concrete sand wind deflation tester and a test method thereof. The tester comprises a sand wind deflation device which comprises a deflation chamber; a concrete fixture support and a thermosensitive wind velocity indicator are arranged in the deflation chamber; the deflation chamber is externally connected with a deflation pipe. The test method comprises the following steps: S1, fixing concrete onto the concrete fixture support, and adjusting to a designed deflation angle of attack; S2, starting an air compressor, opening an inlet valve, and adjusting a pressure maintaining valve; S3, putting aeolian sand into a sand container, opening a quicksand valve, and adjusting the quantity of quicksand holes to achieve designed sand carrying quantity; S4, adjusting the position of the deflation pipe, adjusting and opening a deflation master valve of the deflation device, and performing a concrete sand wind deflation test; observing the sand wind deflation process of the concrete by using a high-speed camera; S5, measuring actual wind speed in virtue of the thermosensitive wind velocity indicator, and performing a concrete sand wind deflation test, wherein airflow enters a water tank by a vent pipe for dedusting and eliminating dryness in the test process.
Description
Technical field
The present invention relates to concrete test engineering device technique field, more particularly to one kind is automatically without dust concrete dust storm deflation
Testing machine and its test method.It is mainly used in concrete surface anti-blown sand deflation aptitude tests.
Background technology
Dust storm deflation refers to that sand-carrying wind is built to earth's surface and the erosive wear of landforms is acted on, in stream area concrete
Mainly there are a physical influence and the aspect of chemical affect two by dust storm deflation damage and failure, physical influence is with being mainly under wind effect
The table grains of sand, handstone etc. are rolled-up, and directly concrete surface is clashed into, so as to cause concrete surface damage and failure；Change
Learning affects mainly to be included under strong wind atmosphere CO in air2The aggravation of the carbonization of concrete and high wind are carried under one's arms saline and alkaline grit
Concrete corrosion effect is aggravated.Among these physical influence is more directly perceived to the damage and failure of concrete, due to being blown by dust storm
Erosion affects, and concrete surface easily produces a large amount of pit-holes, crackle, so as to have a strong impact on concrete military service durability, shortens coagulation
Native service life.
The method of tradition research concrete anti-abrasion performance has ring method, under water steel ball method and dust storm marksmanship, but exists
Certain limitation, under water ring method and steel ball method are unable to accurate simulation concrete and act on following table in dust storm deflation (solid-gas phase)
Face destructive process, although secondly dust storm marksmanship can simulate dust storm deflation, due to the larger big model no so far of its dust pollution
Enclose and promote the use of.
The content of the invention
Present invention aims to the defect of above-mentioned prior art, there is provided one kind is blown without dust concrete dust storm automatically
Wave gas etching tester and its test method, for solid-gas phase（Dust storm deflation）The deflation destruction of the concrete surface under effect is carried out
Research.The device can be simulated under the dust storm deflation of arid strong wind area, and concrete surface is subject to solid-gas phase to continue shadow
Destructive process under ringing.The supporting corresponding dedusting of this experimental rig is vented water tank, dust pollution can be substantially reduced, while supporting
Concrete clamp mount disclosure satisfy that (0 ~ 90d °) interval 5 ° of angles deflation.
To achieve these goals, the technical scheme is that：
One kind includes a dust storm deflation device automatically without dust concrete dust storm deflation testing machine, at least and to concrete dust storm
The high-speed motion picture camera that deflation process is observed；The dust storm deflation device at least includes a deflation pipe and a deflation room,
The deflation room be one it is transparent can closing space, fixing concrete and the adjustable deflation angle of attack are provided with the deflation room
Concrete clamp mount and measurement deflation connect deflation to the temperature-sensitive anemobiagraph of concrete surface actual wind speed outside the deflation room
Pipe, repeatedly kicks into tracheae and drift sand pipe outside the deflation pipe；The alignment lenses deflation room of the high-speed motion picture camera.
As the improvement to above-mentioned technical proposal, on the deflation pipe deflation main valve is provided with.Deflation room be 1000mm ×
1000mm × 1000mm it is transparent can closing space, it is internal to include temperature-sensitive anemobiagraph, concrete clamp mount, using temperature-sensitive wind speed
Instrument measures deflation to the actual wind speed of concrete surface, the adjustable deflation angle of attack of concrete clamp mount (0 ~ 90 ° of interval, 5 ° of angles
Degree).
It is described at least also to include without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
One compressed air source unit, the compressed air source unit at least includes the air compressor of an offer high velocity air, the air compressor
It is connected with deflation pipe by air inlet pipe.
As the improvement to above-mentioned technical proposal, intake valve and control steady air current air-flow pressure are provided with the air inlet pipe
The pressure maintaining valve of power, in the near-end near air compressor, the pressure maintaining valve is in the distal end of air compressor for the intake valve.Air
Compressor provides high velocity air, by pressure maintaining valve steady air flow pressure, so as to produce continual and steady air-flow (7 ~ 40m/s), and can
Seven grades of high wind of simulation are to 12 grades of hurricanes.
It is described at least also to include without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
One husky source device, the husky source device includes the silt container and drift sand pipe of storage drift-sand, and described drift sand pipe one end is husky with collection
Case is connected, and one end is connected with deflation pipe.
As the improvement to above-mentioned technical proposal, on the drift sand pipe drift sand valve is provided with.Silt container stores drift-sand, stream
Husky valve is furnished with the drift sand hole of varying number, and by drift sand hole different lower sand rates are obtained（30~360g/min）, so as to change stream
Carrying amount.
It is described also to include one without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
Grains of sand retracting device, the grains of sand retracting device includes sand material collection box and the sand discharge pipe being connected with sand material collection box, described
Sand discharge pipe is connected in bottom with deflation room.
It is described also to include one without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
Dust arrester, the dust arrester includes water tank and the blast pipe connected with water tank, and the blast pipe is in top and deflation room phase
Connection.
Used as the improvement to above-mentioned technical proposal, the concrete clamp mount includes base and fulcrum bearing；The supporting
The warehouse for fixing concrete is hinged with seat, the bottom of the warehouse is angle scale, and the circumference of the angle scale is provided with
Angle fixing hole, the fulcrum bearing is corresponding to arrange angled steady pin；The base is provided with displacement slideway, and the displacement is slided
Road is provided with bearing fixing bolt, and the end of the base is provided with displacement handle.
Used as the improvement to above-mentioned technical proposal, the top of the warehouse is concrete standing groove, and the concrete passes through
The concrete front support at two ends, concrete rear support are fixedly connected on the center of concrete standing groove.
The control method of concrete clamp mount is：First, by concrete test block（100mm×100mm×100mm）, it is mixed
Solidifying soil front support and concrete rear support are placed in concrete standing groove（If concrete test block size 100mm × 100mm ×
400mm, then without the need for concrete front support and rear support）；Second, angle scale is adjusted, angle fixing hole and angle are fixed into pins position
After putting alignment, steady pin is inserted in fixing hole, fixed angle；3rd, using displacement handle, slide anteroposterior adjusts concrete folder
Tool bearing tightens bearing fixing bolt apart from dust storm nozzle position behind fixed position, front and back position is fixed.
The present invention simultaneously provides a kind of method that utilization said apparatus carry out dust storm deflation test, steps of the method are：
S1, concrete is fixed in deflation room on concrete clamp mount, is adjusted to design the deflation angle of attack, close deflation room window
Mouthful；
S2, startup air compressor, open intake valve, adjust pressure maintaining valve；
S3, drift-sand is placed in silt container, opens drift sand valve, adjustment drift sand hole number reaches design carrying amount；
S4, adjustment deflation pipe position, adjust the deflation main valve for opening deflation device, carry out dust storm deflation concrete test；Utilize
High-speed motion picture camera is observed to concrete dust storm deflation process；
S5, by temperature-sensitive anemobiagraph determine actual wind speed, so as to reach experimental design wind speed, carry out the deflation of concrete dust storm examination
Test, in process of the test air-flow by blast pipe enter water tank in, carry out dedusting go it is dry；
After S6, off-test, sand discharge pipe is opened, drift-sand is cleared up to grains of sand collection box.
Compared with prior art, the present invention has the advantages and positive effects that：
The present invention's is automatic without dust concrete dust storm deflation testing machine, for solid-gas phase（Dust storm deflation）It is mixed under effect
The deflation destruction on solidifying soil surface is studied.The device can be simulated under the dust storm deflation of arid strong wind area, concrete table
Face is subject to the destructive process under solid-gas phase long lasting effect.The supporting corresponding dedusting of this experimental rig is vented water tank, Neng Gouxian
Write and reduce dust pollution, while supporting concrete clamp mount disclosure satisfy that the deflation of the 5 ° of angles in (0 ~ 90d °) interval.
This testing machine utilizes homemade concrete dust storm deflation experimental rig, and simulation NW China arid strong wind area is actual
Wind sand environment, dust storm deflation test is carried out to concrete, and the experimental rig parameter controllability is strong, cycle is short, high precision, operation letter
It is single convenient.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of concrete clamp mount.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, any modification, equivalent substitution and improvements made etc., should be included within the scope of the present invention.
As shown in figure 1, the present invention's is automatic without dust concrete dust storm deflation testing machine, at least include a dust storm deflation
Device and the high-speed motion picture camera that concrete dust storm deflation process is observed；The dust storm deflation device at least blows including one
An erosion pipe 11 and deflation room 10, the deflation room 10 be one it is transparent can closing space, is provided with the deflation room 10 solid
Determine concrete and can adjust the concrete clamp mount of the deflation angle of attack and measure deflation to the temperature-sensitive of concrete surface actual wind speed
Connect outside anemobiagraph 22, the deflation room 10 and repeatedly kick into tracheae 14 and drift sand pipe 15 outside deflation pipe 11, the deflation pipe 11；The high speed
The alignment lenses deflation room of video camera.
As the improvement to above-mentioned technical proposal, on the deflation pipe 11 deflation main valve 12 is provided with.Deflation room 10 is
1000mm × 1000mm × 1000mm it is transparent can closing space, it is internal to include temperature-sensitive anemobiagraph, concrete clamp mount, utilizes
The measurement deflation of temperature-sensitive anemobiagraph 22 to concrete surface actual wind speed, concrete clamp mount can adjust the deflation angle of attack (0 ~
90°)。
It is described at least also to include without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
One compressed air source unit, the compressed air source unit at least includes the air compressor 13 of an offer high velocity air, the air compression
Machine 13 is connected by air inlet pipe 14 with deflation pipe 11.
As the improvement to above-mentioned technical proposal, intake valve 16 and control steady air current gas are provided with the air inlet pipe 14
The pressure maintaining valve 17 of flowing pressure, the intake valve 16 compresses in the near-end near air compressor 13, the pressure maintaining valve 17 in air
The distal end of machine 13.Air compressor 13 provides high velocity air, continual and steady so as to produce by the steady air flow pressure of pressure maintaining valve 17
Air-flow (7 ~ 40m/s), can simulate seven grades of high wind to 12 grades of hurricanes.
It is described at least also to include without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
One husky source device, the husky source device includes the silt container 18 and drift sand pipe 15 of storage drift-sand, described one end of drift sand pipe 15
It is connected with silt container 18, one end is connected with deflation pipe 11.
As the improvement to above-mentioned technical proposal, on the drift sand pipe 15 drift sand valve 19 is provided with.Silt container 18 stores wind
Sand, drift sand valve 19 is furnished with the drift sand hole of varying number, and by drift sand hole different lower sand rates are obtained（30~360g/min）, so as to
Change the carrying amount of stream.
It is described also to include one without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
Grains of sand retracting device, the grains of sand retracting device includes sand material collection box 20 and the sand discharge pipe being connected with sand material collection box 20,
The sand discharge pipe is connected in bottom with deflation room 10.
It is described also to include one without dust concrete dust storm deflation testing machine automatically as the improvement to above-mentioned technical proposal
Dust arrester, the dust arrester includes water tank 21 and the blast pipe connected with water tank 21, and the blast pipe is in top and deflation
Room 10 is connected.
As shown in Fig. 2 used as the improvement to above-mentioned technical proposal, the concrete clamp mount includes base and supporting
Seat；It is hinged with the warehouse for fixing concrete in the fulcrum bearing, the bottom of the warehouse is angle scale 5, the angle scale 5
Circumference angled fixing hole 6 is set, the fulcrum bearing is corresponding to arrange angled steady pin 7；The base is provided with displacement
Slideway, the end that the displacement installation of slide track has bearing fixing bolt 9, the base is provided with displacement handle 8.
Used as the improvement to above-mentioned technical proposal, the top of the warehouse is concrete standing groove 4, and the concrete 1 leads to
Cross the center that the concrete front support 2 at two ends, concrete rear support 3 are fixedly connected on concrete standing groove 4.
The control method of concrete clamp mount is：First, by concrete test block（100mm×100mm×100mm）, it is mixed
Solidifying soil front support 2 and concrete rear support 3 are placed in concrete standing groove 4（If concrete test block size 100mm × 100mm ×
400mm, then without the need for concrete front support and rear support）；Second, angle scale 5 is adjusted, by angle fixing hole 6 and angle steady pin 7
After position alignment, steady pin 7 is inserted in fixing hole, fixed angle；3rd, using displacement 8 hands, slide anteroposterior adjusts coagulation
Native clamp mount tightens bearing fixing bolt 9 apart from dust storm nozzle position, behind fixed position, and front and back position is fixed.
The present invention simultaneously provides a kind of method that utilization said apparatus carry out dust storm deflation test, steps of the method are：
S1, concrete is fixed in deflation room on concrete clamp mount, is adjusted to design the deflation angle of attack, close deflation room window
Mouthful；
S2, startup air compressor, open intake valve, adjust pressure maintaining valve；
S3, drift-sand is placed in silt container, opens drift sand valve, adjustment drift sand hole number reaches design carrying amount；
S4, adjustment deflation pipe position, adjust the deflation main valve for opening deflation device, carry out dust storm deflation concrete test；Utilize
High-speed motion picture camera is observed to concrete dust storm deflation process；
S5, by temperature-sensitive anemobiagraph determine actual wind speed, so as to reach experimental design wind speed, carry out the deflation of concrete dust storm examination
Test, in process of the test air-flow by blast pipe enter water tank in, carry out dedusting go it is dry；
After S6, off-test, sand discharge pipe is opened, drift-sand is cleared up to grains of sand collection box.
Compared with prior art, the present invention has the advantages and positive effects that：
The present invention's is automatic without dust concrete dust storm deflation testing machine, for solid-gas phase（Dust storm deflation）It is mixed under effect
The deflation destruction on solidifying soil surface is studied.The device can be simulated under the dust storm deflation of arid strong wind area, concrete table
Face is subject to the destructive process under solid-gas phase long lasting effect.The supporting corresponding dedusting of this experimental rig is vented water tank, Neng Gouxian
Write and reduce dust pollution, while supporting concrete clamp mount disclosure satisfy that the deflation of (0 ~ 90d °) 5 ° of interval angle is made
With.
This testing machine utilizes homemade concrete dust storm deflation experimental rig, and simulation NW China arid strong wind area is actual
Wind sand environment, dust storm deflation test is carried out to concrete, and the experimental rig parameter controllability is strong, cycle is short, high precision, operation letter
It is single convenient.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, of the invention without departing from the spirit and scope of the present invention also to have various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent is defined.
Claims (10)
1. one kind is automatically without dust concrete dust storm deflation testing machine, it is characterised in that：At least include a dust storm deflation device
With the high-speed motion picture camera being observed to concrete dust storm deflation process；The dust storm deflation device at least includes a deflation pipe
With a deflation room, the deflation room be one it is transparent can closing space, fixing concrete and can is provided with the deflation room
Adjust the concrete clamp mount of the deflation angle of attack and measure deflation to the temperature-sensitive anemobiagraph of concrete surface actual wind speed, it is described to blow
The outdoor even deflation pipe of erosion, repeatedly kicks into tracheae and drift sand pipe outside the deflation pipe；The alignment lenses deflation room of the high-speed motion picture camera.
2. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The deflation pipe
On be provided with deflation main valve.
3. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The automatic nothing
Dust concrete dust storm deflation testing machine at least also includes a compressed air source unit, and the compressed air source unit at least includes that one provides high
The air compressor of fast air-flow, the air compressor is connected by air inlet pipe with deflation pipe.
4. according to claim 3 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The air inlet pipe
On be provided with the pressure maintaining valve of intake valve and control steady air current stream pressure, the intake valve is near near air compressor
End, the pressure maintaining valve is in the distal end of air compressor.
5. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The automatic nothing
Dust concrete dust storm deflation testing machine at least also includes a husky source device, and the husky source device includes the collection of storage drift-sand
Sandbox and drift sand pipe, described drift sand pipe one end is connected with silt container, and one end is connected with deflation pipe, arranges on the drift sand pipe
There is drift sand valve.
6. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The automatic nothing
Dust concrete dust storm deflation testing machine also includes a grains of sand retracting device, and the grains of sand retracting device includes sand material collection box
And the sand discharge pipe being connected with sand material collection box, the sand discharge pipe is connected in bottom with deflation room.
7. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The automatic nothing
Dust concrete dust storm deflation testing machine also includes a dust arrester, and the dust arrester includes water tank and connects with water tank
Blast pipe, the blast pipe is connected at top with deflation room.
8. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The concrete
Clamp mount includes base and fulcrum bearing；The warehouse for fixing concrete, the bottom of the warehouse are hinged with the fulcrum bearing
Portion is angle scale, and the circumference of the angle scale arranges angled fixing hole, and the fulcrum bearing is corresponding to arrange angled steady pin；
The base is provided with displacement slideway, and the end that the displacement installation of slide track has bearing fixing bolt, the base is provided with position
Move handle.
9. according to claim 1 automatically without dust concrete dust storm deflation testing machine, it is characterised in that：The warehouse
Top is concrete standing groove, and the concrete is fixedly connected on mixed by the concrete front support at two ends, concrete rear support
The center of solidifying soil standing groove.
10. it is a kind of using as in claim 1-10 any one carry out dust storm without dust concrete dust storm deflation testing machine automatically and blow
The method of corrosion test, it is characterised in that：Steps of the method are：
S1, concrete is fixed in deflation room on concrete clamp mount, is adjusted to design the deflation angle of attack, close deflation room window
Mouthful；
S2, startup air compressor, open intake valve, adjust pressure maintaining valve；
S3, drift-sand is placed in silt container, opens drift sand valve, adjustment drift sand hole number reaches design carrying amount；
S4, adjustment deflation pipe position, adjust the deflation main valve for opening deflation device, carry out dust storm deflation concrete test；Utilize
High-speed motion picture camera is observed to concrete dust storm deflation process；
S5, by temperature-sensitive anemobiagraph determine actual wind speed, so as to reach experimental design wind speed, carry out the deflation of concrete dust storm examination
Test, in process of the test air-flow by blast pipe enter water tank in, carry out dedusting go it is dry；
After S6, off-test, sand discharge pipe is opened, drift-sand is cleared up to grains of sand collection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019981.8A CN106644912A (en) | 2017-01-12 | 2017-01-12 | Automatic and dust-free concrete sand wind deflation tester and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019981.8A CN106644912A (en) | 2017-01-12 | 2017-01-12 | Automatic and dust-free concrete sand wind deflation tester and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106644912A true CN106644912A (en) | 2017-05-10 |
Family
ID=58842721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019981.8A Pending CN106644912A (en) | 2017-01-12 | 2017-01-12 | Automatic and dust-free concrete sand wind deflation tester and test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644912A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110261293A (en) * | 2019-01-09 | 2019-09-20 | 山东路达试验仪器有限公司 | Engineering material weathers experimental rig under a kind of wind sand environment |
| CN110333140A (en) * | 2019-05-27 | 2019-10-15 | 贵州航天天马机电科技有限公司 | A kind of air-flow Rapid opening experimental rig |
| CN110530751A (en) * | 2019-09-12 | 2019-12-03 | 内蒙古农业大学 | A kind of wind-sand flow varied angle erosion device |
| CN112525729A (en) * | 2020-12-04 | 2021-03-19 | 西北农林科技大学 | Wind power soil stress tester and use method thereof |
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| CN101069891A (en) * | 2007-03-27 | 2007-11-14 | 力帆实业(集团)有限公司 | Dust remover |
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| CN105738235A (en) * | 2016-04-28 | 2016-07-06 | 内蒙古工业大学 | Corrosion experiment and injury evaluation methods of engineering material under wind sand environment |
| CN205659519U (en) * | 2016-05-20 | 2016-10-26 | 潘红 | Washing formula waste gas dust collector for chemical industry |
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| CN101069891A (en) * | 2007-03-27 | 2007-11-14 | 力帆实业(集团)有限公司 | Dust remover |
| CN204439454U (en) * | 2015-01-16 | 2015-07-01 | 内蒙古工业大学 | A kind of dust storm erosion test test piece angle controller |
| CN105547985A (en) * | 2016-02-01 | 2016-05-04 | 华北电力大学（保定） | Closed type wire sandstorm erosion simulation test device and closed type wire sandstorm erosion simulation test method |
| CN105738235A (en) * | 2016-04-28 | 2016-07-06 | 内蒙古工业大学 | Corrosion experiment and injury evaluation methods of engineering material under wind sand environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261293A (en) * | 2019-01-09 | 2019-09-20 | 山东路达试验仪器有限公司 | Engineering material weathers experimental rig under a kind of wind sand environment |
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| CN110333140A (en) * | 2019-05-27 | 2019-10-15 | 贵州航天天马机电科技有限公司 | A kind of air-flow Rapid opening experimental rig |
| CN110530751A (en) * | 2019-09-12 | 2019-12-03 | 内蒙古农业大学 | A kind of wind-sand flow varied angle erosion device |
| CN112525729A (en) * | 2020-12-04 | 2021-03-19 | 西北农林科技大学 | Wind power soil stress tester and use method thereof |
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Application publication date: 20170510 |